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Model 350 and Model 355

1. 5 19 Absolute Checkweigh This program is commonly used for check weigh applications where the accepted tolerance will be an absolute value between and upper and lower limit Setpoint Selection Function Description Check weigh by absolute value Absolute target value Low acceptance value High acceptance value P5104 0 Select from Net Gross or Count Quantity After a target weight is entered upper and lower tolerances are entered as absolute values The desired target may be based on gross weight net weight or quantity if counting is enabled Only the annunciators will light to indicator the setpoint status Be sure to enter both the upper and limits Failure to enter one of these values will cause a setpoint error This feature must be enabled before attempting to use 120 Model 350 355 Service Manual 5 19 1 Enter a Target Value Model 350 1 Press SELECT until fArGL is displayed The low target value will need to be entered Go to step 2 Press PRINT until the first digit of the new target is displayed Press UNITS to accept the number displayed Continue this step until the desired number is entered Example Target of 20 2a Press PRINT four times O DISPLAY READS 2 2b Press UNITS to accept the 2 that is displayed O DISPLAY READS 2 2c Press PRINT once O DISPLAY READS 20 2d Press TARE to accept the target weight as 20 O DISPLAY READS 20 3
2. eene emeret nennen 17 MAIN cL ae cio be Saec teca 17 Desktop Mounting 61e reb iste Pee ela HE te be RE GE Mo OL eet Map ee EM IRR 17 Panel Mounting die cast only sssssssseeeennn emen 18 Permanent and Table Top Mounting sse 18 Outline DraWIings T 19 WINING E 21 Stainless Steel Model 350 355 sss eene nennen nnns 21 Die Cast Model 350 aida 22 Eoad Cell Connections 5 arte etre prier dene a anand ini 22 Serial Port Connections ennemi nn ntes nnns nnne rennes 23 Remote Key Connection i 24 Remote Display Connections i 25 Power CONNECHON vids atte ani ee i e C ER ere alari 26 120VAC Wall Mount Transformer die cast 350 i 26 External AC or DC Power Supply die cast 350 sss 26 Internal AC or DC Power Supply stainless steel 350 355 sssssssssss 27 Chapter 3 Option Installation rir tM UH OPE oet it e 29 Model 350 355 Obptions 2 4 rr tit Dm RR I a a 29 SWivel Bracket hte ette ei i patent 30 Install the swivel bracket eene 30 Panel Mount Kit eee onde Prec b tem tel ice Odit gate aiite cda Heo adole 31 Install the Model 350 Panel Mount Kit 31 Analog Card Connections ue 32 Model 350 355 Service Manual Install the Analog Output Module sse 32 Install the Analog Output Module with
3. P210 03 Send single transmission after weight is reached and motion ceases Must return display value below 0 196 of F S to reset for next transmission P210 04 Sends transmission with the stored ID P212 Send Stability Comm 1 Toggle Enabling Send Stability will delay any transmissions until a no motion condition exists P213 Transmit Selection Comm 1 Selection Select desired print output 1 16 or custom The transmission will be initiated by the selected print operation P210 and or the Remote Key selection P800 See page 81 for details on preset formats or page 84 for details on custom transmit P220 Baud Comm 2 Selection Set the desired baud rate for the communication port 150 115K bps P221 Data Bits Comm 2 Toggle Select 7 or 8 data bits for the transmission P222 Parity Comm 2 Selection Select Odd Even or None for the transmission parity P223 Stop Bits Comm 2 Toggle Select 1 or 2 stop bits for communication port transmissions P224 Comm Handshake Comm 2 Selection Select from None and Software Model 350 355 Service Manual P230 Send Comm 2 Selection Transmission Send options ChoiceNumber Selection Name Description P230 00 All transmissions disabled P230 01 Sends transmission with PRINT key P230 02 Sends transmissions continuously P230 03 Send single transmission after weight is reached and motion ceases Must retum display va
4. 12 ZERO SELECT CLR ON E EY Access Local Setup Mode Hold these keys on power up to bypass the remote display mode Access Local Setup Mode No function When the Model 355 keypad is installed with a new main board the keypad must be initialized Hold down the ENTER key while power is applied If the keypad was enabled the display will show EntHld To reestablish the keypad as a Model 350 hold down the TARE key of the 350 keypad while power is applied by pressing the SELECT key 1 8 5 Weigh Mode Functions The Model 350 and Model 355 keypads have five primary Weigh Mode functions ZERO ER Performs a gross zero and selects the gross mode PRINT ii m m Initiates data transmission out the communication port RO Toggles the units of measure between Ib kg g Ib oz oz if enabled Tares any displayed weight and selects the net mode m zi m tz v 9 m Toggles the display between GROSS NET QUANTITY and setpoint TARGETS if enabled o Model 350 355 Service Manual 1 9 Displays The Model 350 is available with a LED or LCD while the Model 355 is only available with a LED The Model 350 and Model 355 will display alphanumeric data but due to the nature of 7 segment LEDs LCD and the limitation of six digits some information is abbreviated All segments and annunciators are illuminated for a brief display test upon power up The current gross weight is then displayed in de
5. A The 16 bit electrically isolated analog output module provides a highly accurate analog signal proportional to weight This signal can be used for interfacing to PLCs chart recorders and other such devices See Analog Output Setup on page 131 for analog output software configuration details The Model 350 355 contains components which could be damaged by Electrostatic Discharge ESD if serviced improperly Use proper ESD precautions wear a wrist strap connected to ground use grounded work stations etc when opening the enclosure Never connect or disconnect option board cables while the indicator is powered Doing so may result in circuit board damage HIGH VOLTAGES MAY EXIST WITHIN THE ENCLOSURE TO PREVENT THE RISK OF ELECTRICAL SHOCK ALWAYS UNPLUG THE MODEL 350 355 WHEN OPENING THE ENCLOSURE INSTALLATION AND SERVICING OF THE MODEL 350 355 SHOULD BE PERFORMED BY AUTHORIZED AND QUALIFIED SERVICE PERSONNEL ONLY Install the Analog Output Module 350 die cast model 1 Open the indicator Remove the four screws from the back of the unit It may help to remove the swivel bracket if installed 2 Place the back of the indicator open side down on a firm surface Using a hammer and screwdriver remove the appropriate knock out Model 350 355 Service Manual 2a 3a 4a 5a It helps to place the screwdriver tip on the knockout pad rather than in the groove The knock outs do not require m
6. None Checb 9 Selections Setpoint Operation Model 350 355 Service Manual 4 7 Parameter Map Details P110 Full Scale Value Key in Denotes the full scale capacity This value should not exceed the rated capacity of the weighing device P111 Division Size Selection Indicates the count by and decimal point Pressing ZERO TARE Model 350 or CLR Model 355 will automatically select the choice closest to 10 000 divisions without exceeding 10 000 divisions P112 Zero Track Aperture Selection Set in terms of number of divisions Zero tracking eliminates small weight deviations at or near zero Weight deviations within the selected window that have been stable for more than one second are tracked off maintaining a gross or net zero condition The sum of weight values zeroed with auto zero tracking and ZERO cannot exceed the allowable zero range P118 To determine the proper setting in a counting application divide the weight of the smallest product counted by the division size P111 Zero Track should be set to 0 off for most setpoint filling operations This prevents tracking off any product trickle at the start of a fill process P114 Stability Selection Stability is defined as weight fluctuations within an aperture that can be regarded as being a stable weight Deviations outside this aperture are considered motion and the motion annunciator on the front panel will light accordingly Once
7. Select Key Tare Key Units Key Right Arrow Key Enter Setup Print Select Keys Extended Resolution Gross Zero Key 5 12 1 Display Capture Utility 104 ud The Display Capture Utility sends the current display information out of the one of the available comm ports when the one of the two extended ASCII character represented by decimal 149 hex 95h or decimal 150 hex 96h are received through the comm port The previous characters can be used when the comm port is set to 8 data bits For 7 data bits comm port Ctrl U or Ctrl V can be used to replace 149 or 150 respectively Upon receiving decimal 149 the Display Capture Utility sends the current display information out of comm port 1 Upon receiving decimal 150 the Display Capture Utility sends the current display information out of comm port 2 Entering a decimal 149 from a computer keyboard can be accomplished by turning on the Num Lock and holding down the ALT key while typing the desired decimal number on the keyboard keypad for example Alt 149 The Display Capture Utility must have NTEP P440 disabled in order to function Example 1 The scale is in the weigh mode with the gross weight displayed for example 15 00 Input The extended ASCII character represented by decimal 149 hex 95h is received through any comm port Output 15 00 Ib Gross js sent out comm port 1 Example 2 The scale is in
8. 2 1 3 Permanent and Table Top Mounting Die Cast Model 350 The optional mounting bracket allows the zinc die cast enclosure to be securely fastened to another surface The bracket is attached to the indicator with two thumbscrews and can be swiveled to an optimal viewing angle Y END Fig Figure 2 1 Model 350 Zinc Die Cast with Optional Mounting Bracket 18 Model 350 355 Service Manual 2 2 Stainless Steel Model 350 and 355 The mounting bracket comes standard on the stainless steel models Figure 2 2 Model 350 and 355 Stainless Steel Mounting Bracket Table top use For tabletop use position the indicator for convenient viewing A swivel bracket with non slip rubber feet enables tilting of the indicator face to any viewing angle without the controller sliding when keys are pressed Permanent mounting The swivel bracket has four holes for mounting to a fixed surface The holes are 0 7 mm 0 28 in diameter to accommodate M6 metric or 74 in fasteners Outline Drawings Figure 2 3 Model 350 Zinc Die Cast Dimensions Model 350 355 Service Manual 19 I i 9 i 7 Y E Y Di ite i 69 9 V y fel d i Figure 2 4 Model 350 Stainless Steel Dimensions i i f i l q Y l J Y poU 4 lo L 4 4 i Y e Figure 2 5 Model 355 Stainless Steel Dimensions 20 Model 350 355 Service Manual 2 3 Wiring Wiring a load cell or communication port is simple on both the die cast and stainless steel models
9. Figure 5 5 Target Within Tolerance E E E 38 3 5 o 28 Above Tolerance DI a b cde f Figure 5 6 Target Above Tolerance 130 Model 350 355 Service Manual 3 NOTE bargraph for filling and emptying modes For modes other than check weighing the bars will be on only while the setpoints are on and during the Done at the end of a fill The bar weights will be calculated similar to the check weigh modes of operation stated above for filling batching etc except that the percentage will be based on the actual target rather than the low limit value see the equation below The operation for emptying and the emptying portion of both will be the same except that the weight will be going negative while the left side bars are turning off Although the setpoint annunciators are not motion inhibited the setpoint relay outputs will not activate until a no motion condition exists 5 24 Analog Output Setup Parameter Refer to the table below for parameter to setup the analog output Displayed Name Description Setting P171 00 P172 00 AnAlg Enable analog option Parameter that analog signal corresponds to Displayed corresponds to gross while viewing the gross weight and net otherwise Type choices Default Disbl Enabl Gross Net Displayed Full scale value at which P172 selection yields an output of 10 volts If set to 0 uses P110 setting Numeric Entry 0 to 1
10. Targ 2 100 Target 2 value 100 kg P5134 1 Stbl2 Inhib P5135 4 Rset 2 Targ Fill valve opening delayed until scale is stable Fill valve closes when net weight reaches reset target 2 P5136 Rtrg2 1000 Reset target 2 1000 kg P5137 0 Rstb2 Ignore P5141 1 Base 3 Net Fill valve closes regardless of stability Alarm light relay based on net weight P5142 0 Act 3 Above Alarm relay activates when net weight rises above target 3 P5143 Targ 3 900 P5144 0 Stbl3 Ignore Target 3 900 kg Alarm relay activates regardless of scale stability P5145 3 Rset 3 Non L Alarm relay closes when net weight falls below target 3 P5147 0 Rset3 Ignore Alarm relay closes regardless of scale stability 5 23 Bargraph Setup LCD A bargraph display is available for the ChecP Fill Batch Dschg Both and ChecA setpoint modes of operation To enable the bargraph refer to parameter P5011 SPbar in the Parameter Map section beginning on page 79 To weight each segment of the bargraph refer to parameter P5012 bArPc in the Parameter Map section beginning on page 79 5 23 1 Scaling For Bars Bargraph Arrows If the first bar turns off at the specified percentage set at P5012 of the low limit and the last bar turns off at the low limit then the difference will be divided by 8 to determine the number of Ibs per bar At less than 5 grads the entire
11. 2 Press TARE O DISPLAY READS gt No Chgs P110 FS xx xx 3 Enter 60203 with the PRINT and UNITS keys O DISPLAY READS 60203 4 Press SELECT to view the selected audit trail O DISPLAY READS gt Audit Trail CAL 00001 5 Press SELECT again to view the Setup Audit Trail parameter O DISPLAY READS gt Audit Trail Setup 00003 6 Press ZERO to return to the Weigh Mode O DISPLAY READS gt 0 00 Model 355 1 Press 100 SELECT O DISPLAY READS gt Setup Enter Code 2 Press ENTER O DISPLAY READS gt No Chgs P110 FS xx xx Model 350 355 Service Manual 3 Press 60203 SELECT O DISPLAY READS gt Audit Trail CAL 00001 4 Press SELECT again to view the Setup Audit Trail parameter O DISPLAY READS gt Audit Trail Setup 00003 5 Press SELECT to return to the Weigh Mode O DISPLAY READS gt 0 00 Model 350 355 Service Manual 149 150 Model 350 355 Service Manual Code02 8 Troubleshooting This chapter contains error messages and information parameters as well as information on setup parameter selections and A D Calibration 8 1 Error Messages The Model 350 355 utilizes the following types of error messages Operational Errors Setup Mode Errors Hardware Errors Calibration Errors Communication Errors and Miscellaneous Errors 8 1 1 Operational Errors Under Load Input signal is less than negative full scale Check load cell wiring Verify co
12. 50 00 Desired bag weight Low Value 49 50 0 49 50 lbs Low acceptable range 0 to 49 50 Ibs Target Window 49 50 51 50 Ibs Good light within this range High Value 51 50 51 50 Ibs and above High acceptable range 51 50 Ibs and above 5 20 Target Deviation Checkweigh The target deviation method uses a target value in which the upper and lower tolerances are deviated from the target The upper and lower tolerances are fixed values The accept window is varied by adding the high tolerance to the target and subtracting the low tolerance from the target This feature is commonly used in check weigh applications The desired target may be based on gross weight net weight or quantity if counting is enabled The annunciators will light on the indicator display or physical setpoints can be added This feature must be enabled before attempting to use Setpoint Selection Function Description Target Deviation Mode Target value Low acceptance deviation High acceptance deviation P5104 0 Select from Net Gross or Quantity 5 20 1 Enter a Target Value Model 350 1 Press SELECT until tArG1 is displayed The target value will need to be entered Go to step 2 122 Model 350 355 Service Manual 2 Press PRINT until the first digit of the new target is displayed Press UNITS to accept the number displayed Continue this step until the desired number is entered Example Target of
13. A member of the Avery Weigh Tronix Group Model 350 and Model 355 Digital Weigh Indicator Series a SCALE I alzi ARE SELECT ECE E fani ga Service Manual 39 10 42462 Issue AF December 2010 Avery Weigh Tronix LLC 2009 All rights reserved No part of this publication may be reproduced stored in an electronic retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written consent of the copyright owner or as permitted by law or under license Full acknowledgment of the source must be given Avery Weigh Tronix is a registered trade mark of the Avery Weigh Tronix LLC This publication was correct at the time of going to print however Avery Weigh Tronix LLC reserves the right to alter without notice the specification design price or conditions of supply of any product or service at any time All third party brands and product names used within this document are trademarks or registered trademarks of their respective holders All Weigh Tronix GSE products bearing the Factory Mutual seal are designed and manufactured according to the guidelines set forth by Factory Mutual Research It is the responsibility of owners to gain approval from their insurance company for the suitability of the Weigh Tronix equipment and installation for their particular environment Weigh Tronix assumes no responsibility or liability either expre
14. Reinstall the back cover Tighten the screws to at least 8 in Ib torque Place the included sticker over the rear connector sticker RS232 Figure 3 9 RS 485 Installation Die Cast 350 Model 350 355 Service Manual 3 6 2 Install the RS 485 Network Options 350 Stainless and 355 1 Open the indicator 2 Remove the eight screws from the back of the unit and remove the cover e Apply the included sticker to the J6 comm port The label will go over the silk Screen on the board Remove the U4 IC from its socket Remove the white wire jumper Snap the plastic spacers into the three mounting holes Gently press the option board into the socket ev xb cg dI Reinstall the back cover Tighten the eight screws securely to create a good seal Figure 3 10 RS 485 Installation Stainless 350 355 3 6 3 Network Connections Apply the supplied label over the appropriate COMM PORT pin designations On the stainless steel enclosure apply the label marked Model 350 355 SS to the main board above J8 Position the label so the REM remote on the main board is covered with the REM remote of the supplied label The new label will redefine all of the other pin designations Model 350 355 Service Manual 47 48 On the die cast enclosure apply the label marked Model 350 STD to the outside of the enclosure The supplied label RS485 COMM should completely cover the RS232 COMM portion of the factory installed label PLA
15. Terminate plastic fiber conductors by using snap on connectors GSE p n 26 20 4531 and polishing kit GSE p n 31 80 0225 according to termination instructions GSE p n 39 10 42119 Plug fiber connectors into connectors on fiber optic board Make sure that RX goes to TX and TX goes to RX Tighten stain relief cap Figure 3 15 Fiber optic Cable Installation and Termination Model 350 355 Service Manual 3 10 3 HCS Hard Clad Silica Fiber optic Cable Installation The HCS cable is glass fiber in a round jacket The cable allows a distance of 1000 feet maximum Since HCS fiber optic cable is not easily fabricated on site and tooling is too expensive for on time use Prefabricated cables in 100 feet increments can be purchased from GSE The cable comes ready to install with connecting ends and a strain relief for the enclosure 1 2 Model 350 355 Service Manual Remove the strain relief to the right of the load cell strain relief Insert the strain relief of the HCS cable through the strain relief hole of the enclosure Slide the strain relief nut over the HCS cable and screw it to the strain relief Tighten nut with a 7 8 socket or wrench Plug fiber connectors into connectors on fiber optic board Tighten stain relief cap Figure 3 16 Fiber optic Cable Installation HCS cable 59 60 Model 350 355 Service Manual 4 Setup Mode and Parameters This chapter contains detailed information on the paramet
16. The Display Capture Utility sends the current display information out of the one of the available comm ports when the one of the two extended ASCII character represented by decimal 149 hex 95h or decimal 150 hex 96h are received through the comm port The previous characters can be used when the comm port is set to 8 data bits For 7 data bits comm port Ctrl U or Ctrl V can be used to replace 149 or 150 respectively Upon receiving decimal 149 the Display Capture Utility sends the current display information out of comm port 1 Upon receiving decimal 150 the Display Capture Utility sends the current display information out of comm port 2 Entering a decimal 149 from a computer keyboard can be accomplished by turning on the Num Lock and holding down the ALT key while typing the desired decimal number on the keyboard keypad for example Alt 149 lt P The Display Capture Utility must have NTEP P440 disabled in order to function Example 1 The scale is in the weigh mode with the gross weight displayed for example 15 00 Input The extended ASCII character represented by decimal 149 hex 95h is received through any comm port Output 15 00 Ib Gross js sent out comm port 1 Example 2 The scale is in setup at P110 Full Scale Input The extended ASCII character represented by decimal 150 hex 96h is received through any comm port Output P110 F S 100 00 is sent out comm port 2 5 5 RS
17. X 4 15 465mA 10V 10 Analog signal resolution the output is the result of a 16 bit conversion resulting in a resolution of 1 part in 65535 or 10 65535 0 00015 v Model 350 355 Service Manual 133 134 Model 350 355 Service Manual 6 Calibration This chapter covers all methods of calibration 6 1 Setup Mode Calibration You can enter the Calibration Mode after accessing the Setup Mode to view and or change parameter settings see Setup Mode on page 61 To access the Calibration Mode when viewing any setup parameter 1 From the Setup Mode press ZERO 2 Press TARE or ENTER 6 2 Fast Calibration Fast Calibration allows calibration of the Model 350 355 scale system without accessing the Setup Mode To access Fast Calibration from the Weigh Mode 350 1 From the Weigh Mode press ZERO SELECT simultaneously 2 Press ZERO PRINT UNITS TARE To access Fast Calibration from the Weigh Mode 355 1 From the Weigh Mode key in 1 0 O SELECT 2 Key in 5 4 3 2 1 ENTER Fast Calibration can also be accessed if the following data stream is received via the comm port 100 s54321 e 6 3 Performing Calibration Calibration always begins by establishing a zero no load reference A complete calibration also requires establishing a span test load reference This section details various methods for obtaining zero and span references lt lt Press ZERO or CLR duri
18. A computer with a serial port or USB port is required for loading a flash file If you are using a USB port a USB to serial converter is necessary 1 Connect the communication cable from the computer to comm 1 of the Model 350 or Model 355 Open a communications program or terminal window program such as Communication Plus on the computer Set the protocol of the indicator to be 9600 baud 1 stop bit no parity Set the computer protocol to be 9600 baud 1 stop bit no parity Go to parameter 65020 re flash and press TARE 350 or ENTER 355 Press TARE 350 or ENTER 355 at the ARE YOU SURE prompt Press TARE 350 or ENTER 355 at the Enter Flash prompt or Unplug the indicator and move Reflash jumper E2 from NORMAL to RFLASH The terminal program should show GSE Scale Systems 300 Series Bootloader Version XX where XX should be at least 03 Date where Date should be at least Feb 2004 a Erase Flash b Program Flash c Set Baud Rate d Quit Set the indicator baud rate in the terminal software to the desired baud rate by entering c from the computer keyboard Set the baud rate in the terminal program to match the baud rate chosen for the indicator See the table below for baud rates and time for upload Approximate Upload Baud Rate Time 10 15 minutes 2 5minutes 1 3 minutes 5 9 2 Load Flash File 1 Model 350 355 Service Manual The current flash file m
19. If it is a double digit entry press UNITS once to move the cursor and then PRINT to scroll through the digits Press PRINT to toggle through the numbers to enter the day Press UNITS twice to move the decimal point over to separate the day from the year It is not necessary to enter a 0 before a single digit month If it is a double digit entry press UNITS once to move the cursor and then PRINT to scroll through the digits Press PRINT to toggle through the numbers to enter the year Press UNITS once to move the cursor and then press PRINT to scroll through the digits Press TARE twice to accept the entry To enter the time from the Enter tine 00 00 00 prompt EXAMPLE 16 32 41 4 32 41 P M 1 2 Model 350 355 Service Manual Key in the date in the following format 16 32 41 Press ENTER to except the time and move to the weigh mode 93 To enter the date from the Enter date 01 01 70 prompt EXAMPLE 01 09 09 January 9 2009 1 Key in the date in the following format 1 9 9 It is not necessary to enter a 0 before a single digit month 2 Press ENTER to except the date and move to the time entry Press ENTER again to bypass the time entry 5 8 Remote Key Setup 5 9 Upgrade 94 El E The Model 350 and Model 355 have four selectable remote key operations to choose from Print Tare Zero and Print Tare Only one of these operations may be assigned to the remote key input Table
20. PROGR JUMPER KEYPAD 355 nmm e TI 2 App That VW 350 KEYPAD Figure 7 3 Program Jumper Location Stainless Steel Main Board 146 Model 350 355 Service Manual Lead Wire Seal Figure 7 4 Model 350 Die Cast Enclosure Figure 7 5 Model 350 355 Stainless Steel Enclosure 7 4 2 Audit Trails Three separate incrementing non resetable audit trail parameters are used by the Model 350 355 to indicate changes to various parameters P60201 OIML P60203 Calibration and P60204 Setup An audit trail counter will increment only once upon exiting the Setup Mode and saving changes regardless of how many settings were changed Model 350 355 Service Manual 147 148 OIML Audit Trail Changes to any of the following parameters will increment the OIML Euro audit trail at P60201 e P110 P118 scale setup P150 default units P151 units enable P410 Euro enable P440 rStrc enable Existing Calibration Calibration Audit Trail Any changes to the existing calibration will increment the Calibration CAL audit trail at P60203 Setup Audit Trail Changes to any of the Setup Mode parameters will increment the setup audit trail at P60204 Viewing Audit Trail Parameters Audit trail parameters may be viewed at any time Model 350 1 Press ZERO SELECT O DISPLAY READS gt Setup Enter Code
21. Press TARE Once the tare key is pressed tArGH will be displayed This is where the high target value will be entered Enter this value in the same manner as the target weight was entered above If the displayed value is correct press TARE The display will return to the gross mode Model 355 1 Press SELECT until fArGL is displayed 2 Key in the low target weight with the numeric keys and press ENTER 3 The tArGH value will be displayed Key the in value with the numeric keys and press ENTER 4 Press SELECT to select the desired weigh mode parameter 5 19 2 Start Checkweighing The checkweigh applications do not have a start function Simply put the item to be weighed onto the scale platter An annunciator will illuminate to indicate whether the item is within tolerance Annunciators Indication on the display showing the status of a relay If the annunciator is illuminated the corresponding setpoint is active Model 350 355 Service Manual 121 In order for the annunciators to activate the displayed value must be at least five graduations above zero Annunciator Annunciator Status Color LED SP 1 Illuminated Red SP 2 Illuminated Green SP 3 Illuminated Yellow Status 5 19 3 Absolute Checkweighing Example With a system set up to check weigh 50 Ib cement bags the following settings might be used check weigh bag from 49 5 to 51 5 Ibs Parameter Setting Acceptable Values Comments Target
22. Refer to the information in this section for more details 2 3 1 Stainless Steel Model 350 355 The stainless steel models must be wired through the strain reliefs located on the bottom or rear of the enclosure and connected to the main board Refer to Figure 2 6 and Figure 2 7 200350 00020 SERIAL NO 00000 90 250VAC 50 60Hz 0 5A Figure 2 6 Model 350 Stainless Steel Rear Panel Avery Weight Tronx LLC Model 355 NTEP CCH 98 092A2 200355 00010 SERIAL NO XXXXXX s 90 250VAC s 50 60Hz OSA TS Figure 2 7 Model 355 Stainless Steel Rear Panel Model 350 355 Service Manual 21 2 3 2 Die Cast Model 350 A description of all wiring terminals is included on the bottom label of the zinc die cast enclosure as shown in Figure 2 8 x 3 f LOADCELL 1 ms232 COMM POWER 15W MAX Q Q x x uu O 1REMOTEKEY 1 2 3 RANGE u d 22 2 2 o 2RXD 6GND DC 12 36VDC gt gt gt 5 W WU I 3TXD 7 RTS AC mh 12 26VAC PIE U 5 RI E 4VCC BCTS 5 9 7 Ww o 4 0 on A Figure 2 8 Model 350 Zinc Die Cast Enclosure Wiring Label 2 4 Load Cell Connections A high quality braided shield cable with 16 to 24 AWG stranded wire is recommended for load cell or summing box connections Secure the cable by the cable tie on the die cast model or route it through the strain relief supplied on the back ofthe internal power supply models see Figure 2 9 Either four or six conductor cable
23. SELECT or UNITS to toggle through sample size choices 5 10 20 50 and 100 When the desired sample size is displayed go to step 3 Add the pieces to be sampled and press ENTER After motion is stabilized the sampled quantity will be displayed Continue adding parts to be counted The display will show the number of parts added If a different part needs to be counted go to step 2 To sample using variable counts 1 1a 2 4a From the weigh mode press ENTER Add 10 will be displayed If 10 is the desired sample size go to step 3 Otherwise go to step 2 Add pieces and key in the number of pieces being sampled with the numeric keys Press ENTER to accept the entry Add the pieces to be sampled and press ENTER After motion is stabilized the sampled quantity will be displayed Continue adding parts to be counted The display will show the number of parts added If a different part needs to be counted go to step 2 View the average piece weight 1 From the QTY mode press SELECT once The display will show APS and then flash the last sampled average piece weight This value cannot be altered Press the SELECT key to exit the average piece weigh mode Continue to press SELECT until the desire weigh mode parameter is displayed 5 7 Set Time amp Date 92 The time and date feature is stored as non volatile time date setting will not be lost when the unit power is reset The time date
24. SP1 600 Ib Act 1 Rst 1 note Indp SP1 10 lb Rst 1 Act 2 note Indp SP2 300 Ib Act 2 Parameter Name Sample Print Output Rst 2 note Indp SP2 10 Ib Rst 2 Act 3 note Indp SP3 100 Ib Act 3 Rst 3 note Indp SP3 5 Ib Rst 3 Setpoint Status Setpt 0 Stability Status Stat M Displayed Value 16 34 Ib Gross 86 Model 350 355 Service Manual 5 2 5 Format Codes The default format code for all parameters is 0 This prints all numeric data with 8 characters right justified left spaces filled the units if applicable and the parameter name The format choices for all parameters except Stability Status and Setpoint Status are shown in the following table Sample Print Result Description Weight Parameter Format Codes 27 49 lb Gross Fixed width 8 characters right justified left spaces filled 000027 49 Ib Gross Fixed width 8 characters right justified left zeroes filled 27 49 lb Gross Fixed width left justified right spaces filled 27 49 lb Gross Minimum possible width 400 Ib Net Print decimal point even if data has no fractional portion 400 Ib Net Print for positive numbers 336 52 Net Do NOT print parameter units Ib or kg 336 52 Ib Net Print value in default units as opposed to current viewed units 336 52 Ib Do NOT print parameter name Only Format Code that appli
25. Standards it must be installed near an easily accessible power outlet Note that the ON key does not connect disconnect the line voltage It awakens the Model 350 355 from a sleep mode 2 8 1 120VAC Wall Mount Transformer die cast 350 An external wall mount transformer is supplied with the die cast Model 350 for connection to 120VAC 60Hz power and is plugged into J4 of the 350 die cast main board AN DO NOT CUT THE GROUND PRONG OFF THE WALL MOUNT TRANSFORMER To connect the transformer 1 Insert the polarized plug into the rectangular power connector J4 2 Press the plug firmly into the hole to ensure it is seated properly 3 Plug the wall mount transformer into a nearby wall outlet Use only a three wire grounded outlet 2 8 2 External AC or DC Power Supply die cast 350 The Model 350 die cast may be powered by an external 12 36 VDC or 12 26 VAC power source The power supply should have a minimum current rating of 800mA with no options installed a minimum current rating of 1 25A with options installed Recommended plugs are AMP MTA 156 or MOLEX 156 External DC power supply cable GSE P N 22 30 35459 plugs into the Model 350 die cast unit rear connector with bare wires on the other end 26 Model 350 355 Service Manual An internal option battery module is available GSE part number 24350B 120B1 Refer to page 52 for details on installation rei rer e me DC N C 12 36 VDC AC L GN
26. Type choices Default Numeric Entry 0 to 255 3 P276 01 Allow or disallow data received from the remote display s slave communication port to be sent to the master Enable Disable P277 01 Enables or disables the use of the START key on the master indicator When this parameter is enabled and the key is pressed a start key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the START key will have no effect on the master indicator Enable Disable P278 01 Enables or disables the use of the STOP key on the master indicator When this parameter is enabled and the key is pressed a stop key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the STOP key will have no effect on the master indicator Enable Disable P280 01 Enables or disables the use of the ZERO key on the master indicator When this parameter is enabled and the key is pressed a Zero key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the ZERO key will have no effect on the master indicator Enable Disable P281 01 Enables or disable
27. ener 140 Exiting Calibration x toe e Ee doe PO i d hen een 142 Chapter T Legal for Trade i n ep Lr te pts e D ne d et a CR Din 143 NTEP Requirements i 143 NTEP Panel Mount Requirements enne 144 OMIL Requirements nen en nennen en nen tenter trn sensn inni nnne 144 Other Requirements t dde tor lent ae Lala landi salici ica lad plectetiad 145 Sealing and Addit Tals zio Er ati pila lidia eme Rs 145 Physical Seal pde endete itp ep e E ee a ees 145 A dit T rails 5 enini MR ta 147 Chapter 8 Troubleshooting eene nennen ener nre nennen renes 151 Emor Messages dee ee teu eei dd 151 Operational Errors 1 2 eee eR etd aan 151 Setup Mode Errors 222 ero rd Aia e e acide a 152 Hardware Errors o Re e e REA ERR ee ee 152 Calibration E mO S cid ere teret e Der E RE ii toe 153 Communication Errors nennen enne EEE 153 Miscellaneous Errors iaia 153 Viewing Setup Parameters i 153 Information Mode Parameters i 154 AID Calibration Procedure nennen nnne nen nnn sn nns 156 4 Model 350 355 Service Manual 1 General information and warnings 1 1 About this Manual This manual is divided into chapters by the chapter number and the large text at the top of a page Subsections are labeled as shown by the 1 and 1 1 headings shown above The names of the chapter and the next subsectio
28. mode If the indicator is being installed in a legal for trade application refer to chapter 7 Legal for Trade on page 143 for details on the tare feature Model 350 355 Service Manual 1 8 4 Model 355 Keypad The Model 355 keypad performs different functions in the Weigh Mode and the Count Mode The numeric keys make entering values such as tare or average piece weight easier ce 200 a cn MO AI TARE START ES Sp D D sampe LESE 155 ENTER ES ENTER ES Figure 1 2 Model 355 Keypad Key Press Weigh Mode Count Mode Setup Mode Performs a gross zero function Performs a quantity zero Exits the Setup Mode and or and or clears an entry in function and or clears an entry answers NO to query prompts progress in progress and or clears an entry in progress Performs a print function and or Performs a print function and or Scrolls through digits during scrolls through digits during scrolls through digits during data entry setpoint entry setpoint entry Toggles between Ib and kg Toggles through standard Advances cursor to next entry and or advances cursor to next sample sizes and or beginsa position and or cycles prompts entry position new sample entry Performs an auto tare function if Performs an auto tare function Accepts an entry in progress enabled and or accepts an entry and or accepts an entry in and or scrolls through in progress If the tare weightis
29. 000 000 Offset value which yields a 0 volt output P175 10 Range Value 1 10 which specifies the max value of analog output entered in terms of voltage NOTE This does not change the analog span A 0 10 000 Ib output set to 8 will stop increasing its analog signal at 8 000 Ibs Numeric Entry 0 to 1 000 000 Numeric entry 0 to 10 P176 01 Reset state Specifies analog signal level when Model 350 and Model 355 enters Setup Mode 10 V Max Output 0 V Min Output No Change P177 00 Specifies output type voltage or current The actual output signal is calculated as follows P172 Parm Value P174 Zero Offset P173 Full Scale Value P174 Zero Offset Model 350 355 Service Manual 0 10 volts 0 20mA 4 20mA X 10 131 If the result is greater than the Max Range Value P175 then the analog signal is limited to the Max Range Value 5 24 1 Analog Output Calibration 132 PARAMETER SETTING P61200 P61201 DISPLAYED NAME DESCRIPTION Value required to precisely output OV in O 10V output mode i e offset Value required to precisely output 10V in 0 10V output mode i e gain TYPE CHOICES DEFAULT Numeric Entry 0 to 15 000 2 923 Numeric Entry 50 000 to 65 535 61 027 P61202 Value required to precisely output 0 mA in 0 20 mA output mode i e offset Not adjustable 0 P61203 Value required to precisel
30. 1 Line voltage in for setpoint 2 2 3 4 Voltage out for setpoint 2 5 Line 3 Line voltage in for setpoint 3 6 Load 3 Voltage out for setpoint 3 350 Die Cast Place this label above the setpoint card knockout ETPOINT OUTPUTS 1A MAX PER CH 20 280VAC P 1 SP2 SP3 rii 4 5 wm oP N on D 350 355 Stainless Steel Cut off the text SETPOINT OUTPUTS from the label and place it on the connector apply to the area just under the field external wire terminals 3 5 5 Setpoint Board Diagnostic and Test Procedures This test procedure affects the setpoint output Be sure to disconnect all peripheral devices attached to the setpoint option card Eo Test Equipment needed Load device with power source To test the setpoint option card 1 Enter the Setup Mode see Setup Mode on page 61 Chngs Poss P110 F S 100 00 44 Model 350 355 Service Manual 2 Key in 62001 SELECT Test Setpt Load Device Inactive 3 Attach the load and power source in series with Setpoint 1 contacts 4 Press TARE or ENTER to activate only output 1 Test Spt 1 Load Device Active 5 Attach the load and power source in series with Setpoint 2 contacts 6 Press TARE or ENTER to activate only output 2 Test Spt 2 Load Device Active T Attach the load and power source in series with Setpoint 3 contacts 8 Press TARE or ENTER to activate only output
31. 5 6 describes the available remote key operations See Remote Key Connection on page 24 for information on connecting a remote key input device Table 5 6 Remote Key Operations Remote Key Function Description Selection P800 00 Remote key disabled P800 01 Initiates print function Print restrictions P200 P212 will be adhered to P800 02 Tare Initiates tare function Tare restrictions P161 P169 will be adhered to P800 03 Zero Initiates zero function Zero restrictions P118 will be adhered to P800 04 Print and Tare Initiates print function and then tare function P200 P233 will be adhered to Also P161 P169 will be adhered to Tare Zero and Print functions will be delayed according to the stability setting P114 If a setpoint operation is configured to use the remote key as an activation method the P800 setting is over ridden Indicator Firmware The Model 350 and Model 355 have flash memory on the main board where the parameters are stored It is possible to update the firmware simply by using a computer The firmware is loaded into a flash memory IC This allows for ease in loading firmware updates The flash memory on the main processor is only rated to be reflashed up to 10 times under extreme industrial and temperature conditions Model 350 355 Service Manual 5 9 1 Prepare For Upgrade Before the indicator firmware can be updated the procedure below must be followed
32. Configuration rc cnnnnnr rr 101 300 Series Command Codes sss eee enne eene enne nennen 103 Display Capture Utility sse mmn 104 Setpoint Setup 1 tene eic Rea ades ea Y air 105 Activation Methods iecore eid id 106 PrezActs m 106 LearniEeature lente elusione lari e e 107 Pause Feature sla 107 Percentage Checkweigh ii 108 Enter a Target Value iii 108 Start Checkweighing iii 109 dg 109 Enter a Target Value eerte dae 110 Start Fill e 111 Batch zi eoe ad RINT ML Sc s mat e t 112 Enter a Target p iva alia dava ela lhe deed d ce ded aede 112 Slat Bath wiles lele liane ei E A 113 Discharge erca E A ia 115 Enter amp Target iier ene nt etre pte td MEL recep RR 115 Pre acts ivi eii oi e ele ha ee ade te Head iaia hell 116 Start Discharge roaa e TT TAAA A nta 116 Discharge Example occa dee este e tree iaia ai 117 Fill and Discharge Both emm emm enne nnne nennen 117 Entera Target incita dd idad dadas 118 PYO AGUS ceri e alate A TARA ia 119 Activation Method vu iii 119 xU EE 119 Fill and Discharge Example nennen menm enn 120 Absolute Checkweigh sissit aS essen nennen nnne nnns seen annia sees cannes 120 Enter a Target Value tenenda nhe ad ntn dad t dd une 121 Start Checkweighing iii 121 Absolute Che
33. Model 350 355 LCD P426 Low Battery Indication Toggle Press TARE to enable or disable this option Low battery will be indicated continuously if this feature is enabled without the battery option installed Otherwise an annunciator will be lit when the battery voltage is low P427 Battery Option Automatic Shutdown Selection Select duration of time for auto shutdown Choose from selections with the TARE key Selections are off 0 5 1 2 3 4 5 10 15 20 25 30 35 40 45 and 60 Choices are in set in minutes P440 Legal for Trade Restrictions Toggle Enable NTEP legal for trade restrictions See Chapter 7 for details P500 Time Setting key in Enter the time in the form HH MM SS Time is always shown in military format within this parameter P503 will determine how the time is displayed in the weigh mode P501 Date Setting key in Enter the date in the form MM DD YY P504 will determine the how the date is displayed in the weigh mode P502 Time Date toggle Enables or disables the time and date feature If enabled the time and date will be accessible from the weigh mode with the SELECT key The weight will continue to be updated when viewing the time or date The time will be formatted as defined by P503 and the date will be formatted as defined by P504 See page 92 for instructions on how to change the time and or date P503 Hours toggle Determines the TIME format style 12 hour or 24 hour If in 12 h
34. Press TARE once 4 Press ZERO ZERO TARE TARE 4 5 2 Return to factory default 355 Access the setup mode See page 61 for details 1 Key in 65001 or 65002 SELECT 2 Press ENTER once 3 Press ENTER once 4 Press ZERO CLR ENTER ENTER Model 350 355 Service Manual 67 4 6 List of Parameters The Model 350 and Model 355 have several parameters that can be configured to your specific application Below is a table of the available parameters Refer to page 71 for 68 Parameter Number P110 explanations of each parameter Display Name Default Value Valid Range Choices 01 999 999 Keyed In Parameter Description Full Scale P111 09 P112 05 0 5d 00001 500 24 Selections Off 20 0d 200 Selections Count By Zero Track Aperture P114 10 1 0d Off 20 0d 200 Selections Stability Window P115 10 1 Sec 0 05 10 0 Sec 101 Selections Stability Motion Delay P116 04 1 Sec 065 8 00 Sec 8 Selections Filter Setting P117 01 0 05 Sec 0 05 20 0 Sec 201 Selections Display Update P118 12 P119 00 100 Disable 01 100 13 Selections Enable Disable Toggle Zero Button Range Linearization P150 00 Ib Ib kg Toggle Default Calibration Units P151 01 Enable Enable Disable Toggle Units Button P152 00 Unit3 None No
35. Quantity 5 14 1 Enter a Target Value 108 Model 350 1 Press SELECT until tArG1 is displayed If the target value shown is correct press TARE to go to the PctLo value To change the target value go to step 2 2 Press PRINT until the first digit of the new target is displayed Press UNITS to accept the number displayed Continue this step until the desired number is entered Refer to the example below as a reference Example Target of 20 2a Press PRINT four times O DISPLAY READS 2 2b Press UNITS to accept the 2 that is displayed O DISPLAY READS 2 2c Press PRINT once O DISPLAY READS 20 2d Press TARE to accept the target weight as 20 O DISPLAY READS 20 3 Press TARE to accept the entered value Once the tare key is pressed PctLo will be displayed This is where the low percentage will be entered Enter target percentage value in the same manner as the target weight was entered above If the displayed value is correct press TARE 4 Next the PctHi value will be displayed This is target percentage value for the high percentage Enter this value in the same manner as the target weight was entered above If the displayed value is correct press SELECT The display will return to the weigh mode Press SELECT to view the desired weigh mode parameter Model 350 355 Service Manual Model 355 Te Press SELECT until tArG1 is displayed 2 Key in the target weight with the numeric keys a
36. Soft 2 Selections Comm 2 Handshake P230 01 Off ID 5 Selections Comm 2 Transmit P232 01 Off Delay Toggle Comm 2 Motion P233 01 1 16 Custom Selection Print Transmission P250 00 Disable Enable Disable Toggle Network Option P251 00 Disable Disable and 4 254 Key in Network Address P260 00 350 I S 350 I S Cntrl 4 Selection Remote Display Type P290 00 None None Port 2 3 Selections Remote Display Master Echo P291 02 lt STX gt 0 255 256 Selections Master Display Start Character P292 03 lt ETX gt 0 255 256 Selections Master Display Ending Character P296 00 300 300 or 60 2 Selections Remote Display Style Echo Format P410 Model 350 355 Service Manual Disable Enable Disable 9991 9990 Key In OIML Enforce 69 70 Parameter Number P412 Display Name PrSEt Default Value Disable Valid Range Choices Enable Disable Toggle Parameter Description OIML Enforce P420 01 Dsply On Off Auto 3 Selections Display Function P423 00 Light Off ON OFF Toggle Backlight P426 00 Batt Disable Enable Disable Toggle Battery Option Annunciator P427 00 Apo Off Off 60 minutes 16 Selections Auto Power for Battery Option P440 00 rStrc Disab
37. all the setpoints regardless of which setpoint operation is configured The status can be read as a single ASCII numeric character 0 7 a Hex value 30h 37h or a binary bit comparison Status is preceded by a lt space gt and an S The preceding data stream format is for fixed transmissions of lt SPS gt as specified above This is not associated with the custom transmission of parameter P96 Bit Comparison 0011 0000 0011 0001 0011 0010 0011 0011 0011 0100 0011 0101 0011 0110 0011 0111 Choice 15 RSD 3000 lt STX gt lt G gt lt Signed DATA gt lt lb kg gt lt CR gt lt LF gt lt STX gt lt SPS gt lt CR gt lt LF gt Choice 16 RSD 3000 lt STX gt lt N gt lt Signed DATA gt lt lb kg gt lt CR gt lt LF gt lt STX gt lt SPS gt lt CR gt lt LF gt 5 2 Custom Transmit Parameters ASCII text and control codes are the elements of a custom transmit Parameters Certain parameters related to weight quantity setpoints ID and status could be sent out of the comm port Gross Weight Target 1 and Quantity are examples of printable parameters ASCII Text ASCII text can be entered into a custom transmit to provide further detail of a transaction P and are examples of ASCII text Control Codes You can custom transmit ASCII control codes to control a printing device lt CR gt carriage return and lt FF gt form feed are examples of control codes Whe
38. and YYYY the address of the trap error Press any key five seconds after viewing message to reboot the unit 8 2 Viewing Setup Parameters While troubleshooting it may be helpful to view the setup parameter selections This can be done using the procedure below even with the internal program jumper in the NO position Note that accessing the Setup Mode in this manner will not permit parameter changes Model 350 355 Service Manual 153 To view the setup parameter selections 350 1 From the Weigh Mode press ZERO SELECT 2 Press TARE 3 Navigate the Setup Mode as described in Setup Mode on page 63 To view the setup parameter selections 355 1 From the Weigh Mode press 1 0 0 SELECT 2 Press ENTER 3 Navigate the Setup Mode as described in Setup Mode on page 63 To exit the Setup Mode 1 Press ZERO 2 Press ENTER 8 3 Information Mode Parameters A series of informational parameters are available beginning at P60000 These parameters may be accessed from the Setup Mode or from the Weigh Mode as described below Refer to Table 8 1 for an explanation of each information parameter To access the informational parameters 350 1 Press ZERO SELECT 2 Press ZERO PRINT UNITS TARE 3 Navigate the Setup Mode as described in Setup Mode on page 63 To access the informational parameters 355 1 Press 1 0 0 SELECT 2 Press 6 0 0 0 O ENTER 3 Navigat
39. are based on discrete values Independent Setpoints Activation based on specific target values Includes selectable reset conditions Target Deviation check weighing Over Under tolerances are deviated from the target weight P5100 9 Btch2 Batch up to 3 ingredients without preact values Each program utilizes the three annunciators located to the left of the main display to give a visual status of the setpoint A setpoint option board may be installed in the safe area via Fiber Optic hub to allow control of an external device Model 350 355 Service Manual 105 5 13 1 Activation Methods Setpoint activation for Fill Batch Discharge and Both can be initiated in one of four ways Tare Remote Auto and Start key 355 only Check weigh operations have no start function but there are two methods of restarting See parameter 5004 on page 79 for more details Independent setpoint operations are limited to Above or Below activation The Model 350 and Model 355 setpoint option board may be connected in series with a larger automated control system or a manually activated switching device A foot switch a two hand safety station or other permissive start devices may be used for safety or system compatibility Activation Method P5003 Description Tare Operation The TARE activates the setpoint It waits for a no motion condition then tares scale to net zero The appropriate setpoint is then activated Remote Ke
40. being installed attach the loose end of the cable on the option card to the serial I O connector J3 on the main board J3 is a 10 pin polarized connector Skip to step 6 or 6b If a second option is being installed locate the option mounting holes surrounding the A D can on the main board Follow steps 4 6 to install the second option card T Connect the loose end of the cable of the second option card to J3 of the main board Connect the loose end of the cable of the first option card to J1 of the second option card Model 350 355 Service Manual 41 Ta Route the cables being connected to the option cards through the available strain relief s Make sure to connect cable conductors to the proper terminals before closing the unit Reinstall the back cover Tighten the eight screws securely to create a good seal Be sure to avoid pinching the cable between the housing halves Figure 3 7 Option Board Installation Flash Version 3 5 3 Install the Setpoint Model with mounting bracket Stainless 2a 3a 5a 42 Open the indicator Remove the eight screws from the back of the unit Locate the three studs and one thru hole on the main board that the option mounting bracket will be attached to SeeFigure 3 8 Remove the nuts from the three studs on the main board It may help to position the option mounting bracket over the 350 main board to locate the three studs and one thru hole Install the nylon stand
41. defined list of choices to pick from Each choice is numbered and corresponds to a certain value The choice number is shown to the right of the decimal point within the parameter number Repeatedly pressing TARE Model 350 or ENTER Model 355 while viewing a selection parameter cycles through the available choices or you can key in the choice number P 200 00 Indcates Parameter Parameter Number Choice Number For example parameter 200 is a selection parameter that holds the baud rate for the serial This is a selection parameter because a choice number between 00 and 06 must be used Each choice number corresponds to a different baud rate To change the baud rate from the default value of 9600 to 4800 perform the following steps from the Setup Mode To change the baud rate from the default value of 9600 to 4800 1 Access parameter 200 P200 Refer to Selecting a Parameter on page 63 on how to access a specific parameter 2 Press TARE Model 350 or ENTER Model 355 until 4800 is displayed Model 350 355 Service Manual 4 3 2 Key in Parameters Key In Parameters are not limited to a list of choices although there may be upper and lower value limits A Key In Parameter requires that a numeric value be entered using the front panel keys Key In Parameters are shown with two hyphens after a decimal point within the parameter number P 100 Indcates Parameter Parameter Number Denotes Key in Cho
42. following instructions If two options are being installed along with a fiber optic option an option mounting plate is required Refer to page 57 for installation instructions 1 2 Model 350 355 Service Manual Open the indicator Remove the eight screws from the back of the unit Locate the option mounting holes by lining up the option card with the four holes to the left of the power supply section on the main board 33 2a 6a 6b 6c 34 This is where the first option card should be installed Install 4 nylon standoffs supplied with the option kit into the thru holes on the main board See Figure 3 4 Place the option card on the 4 nylon standoffs installed in step 3 Fasten the option card to the standoffs with the 4 nylon nuts supplied with the option kit Tighten the stand offs gently with a 8 mm hex nut driver If this is the only option card being installed attach the loose end of the cable on the option card to the serial I O connector J3 on the main board J3 is a 10 pin polarized connector Skip to step 7 or If a second option is being installed locate the option mounting holes surrounding the A D can on the main board Follow steps 4 6 to install the second option card Connect the loose end of the cable of the second option card to J3 of the main board Connect the loose end of the cable of the first option card to J1 of the second option card Route the cables being connecte
43. graph is off Example 1 ChecP refer to Figure 5 2 O Lower Limit is set at 50lbs P5012 is set for 80 128 Model 350 355 Service Manual Bar weight 50 40 10 e 10 8 1 25 lbs NOTE Right side bars will have the same scaling Ib per bar as the left side bars They are represented as a mirror image of each other Weight Range Lower Tolerance Limit co 40 40 00 to 41 25 41 25 to 42 50 42 50 to 43 75 43 75 to 45 00 45 00 to 46 25 46 25 to 47 50 47 50 to 48 75 48 75 to 50 00 N ce Bj O1 DI N Low Limit Target High Limit 40 50 52 5 55 65 Figure 5 2 Example 1 Bargraph Segments Weight Value Example 2 ChecP refer to Figure 5 3 Lower Limit is set at 50lbs P5012 is set for 20 Bar weight 50 10 40 e 40 8 5 lbs NOTE Right side bars will have the same scaling Ib per bar as the left side bars They are represented as a mirror image of each other 9 10 10 00 to 15 00 15 00 to 20 00 20 00 to 25 00 5 00 to 30 00 30 00 to 35 00 35 00 to 40 00 40 00 to 45 00 45 00 to 50 00 Model 350 355 Service Manual 129 8 7 6 5 4 3 2 E 33 2 55 oe I al fo o od 0 o oo i0 o Figure 5 3 Example 2 Bargraph Segments Weight Value t E E E 39 7 zE 2r r Below Tolerance a b cde f Figure 5 4 Target Below Tolerance E E iB z 5 S aoe I Within Tolerance a b c de f
44. master controller for fiber optic interface to the safe area hub P290 Echo Display Toggle Determines which comm port will be echoed to another device Selections are None port 1 port 2 Model 350 355 Service Manual 75 76 P291 Start Character Key in Set the start character for the master indicator Choices are 0 255 Default value is 2 STX The choice must match the start character at P274 of the remote display slave A value of 0 means that a byte with the value 0 will be sent for the character Avoid using values of 17 or 19 when using software flow control The values of 17 and 19 are Xon and Xoff codes and could cause conflict P292 End Character Key in Set the end character for the master indicator Choices are 0 255 Default value is 3 ETX The choice must match the end character at P275 of the remote display slave A value of 0 means that a byte with the value 0 will be sent for the character Avoid using values of 17 or 19 when using software flow control The values of 17 and 19 are Xon and Xoff codes and could cause conflict P296 Echo Style Toggle Set the style of indicator the display will be echoed to Choose from 300 or 60 The 300 choice is for 350 355 350 1 S 355 1 S 351 ABS 4100 The 60 choice is for 460 series 560 series and 660 series indicators P410 Euro Toggle Enable OIML legal for trade restrictions see page 144 P412 Preset Character Toggle If P
45. parameter is available in the first two fixed transmits See Transmit Selection on page 74 and can be included in a custom transmit See Custom Transmit Setup on page 78 Model 350 355 Service Manual The time and date can be accessed from the weigh mode with the SELECT key if P502 is enabled Also 1196s can be sent into the comm port to access the time date entry regardless of P502 The time and date can be entered in the setup mode at P500 and P501 Access P500 to change the time or P501 to change the date To access the setup mode see page 61 Use the instructions below to enter the time and or date Refer to page 66 to save the time and date and exit to the weigh mode 5 7 1 Model 350 To enter the time from the Enter tine 00 00 00 prompt EXAMPLE 16 32 41 4 32 41 P M 1 Press PRINT to toggle through the numbers to enter the hour Hours must be entered as military time Press UNITS once to move the cursor Press PRINT to select the next digit Press UNITS twice to move the decimal point over to separate the hour from the minutes It is not necessary to enter a 0 before a single digit hour To enter the date from the Enter date 01 01 70 prompt EXAMPLE 01 09 09 January 9 2009 1 2 5 7 2 Model 355 Press PRINT to toggle through the numbers to enter the month Press UNITS twice to move the decimal point over to separate the month from the day It is not necessary to enter a 0 before a single digit month
46. progress parameter sub set selections known key in the value and and or answers YES to query press TARE prompts Toggles between display modes Toggles between display modes Advances to the next setup and or restores power to the and or restores power to the parameter indicator if auto shutoff indicator if auto shutoff enabled enabled Performs a sample If a number Performs a sample If a number Accepts an entry is keyed in before hand it will be is keyed in before hand it will used as the sample size be used as the sample size Accepts an entry Model 350 355 Service Manual 11 Key Press Weigh Mode Clears an entry in progress Count Mode Performs a quantity zero function and or clears an entry in progress Setup Mode Exits the Setup Mode and or answers NO to query prompts and or clears an entry in progress If setpoints are enabled causes a process to start or resume If setpoints are enabled causes a process to start or resume No function If setpoints are enabled causes a pause Press STOP again to abort the process If setpoints are enabled causes a pause Press STOP again to abort the process No function Wake up the indicator if in sleep mode Turn on the indicator if power is off Access the target entry mode Wake up the indicator if in sleep mode Turn on the indicator if power is off Access the target entry mode No function
47. prompt appears when the calibration weight is less than 5 of capacity or when the A D coarse gain is adjusted Entry Error An invalid entry was made 8 1 5 Communication Errors The selected parity P202 does not match that of the connected device The receive buffers capacity was exceeded This indicates a handshaking problem Check P204 and verify proper communication port connections Trans Hold1 The stop bit of a received character did not occur when expected Verify that protocol P200 P204 matches that of the connected device Data transmission is inhibited due to a deasserted handshake on communication port 1 Press ZERO or CLR to abort transmission Check P204 If in a Control and Hub configuration press ZERO or CLR three times to clear the error Trans Hold2 Data transmission is inhibited due to a deasserted handshake on communication port 2 Press ZERO or CLR to abort transmission Check P204 Check P204 If in a Control and Hub configuration press ZERO or CLR three times to clear the error Error BaudX The X being either comm port 1 or comm port 2 The baud rate selected is too high for the microprocessor rate Either set the baud rate lower or change the microprocessor rate at P60090 higher 8 1 6 Miscellaneous Errors TX YYYY If catastrophic errors occur in the software a trap error may occur and freeze the display with address information X bank number
48. the drill will not slip Drill the mounting holes with a 1 16 drill 2 3 4 Gently tap the drill pins to secure the label to the case 5 Clean out the case 6 Re install the electronics Damage to the case or electronics is not covered by warranty GSE SCALE SYSTEMS MODEL 350 SERIAL NO Figure 7 1 Panel Mount Unit Serial Number Tag Die Cast Model 7 2 OMIL Requirements The International Organization of Legal Metrology is an inter governmental body which harmonizes the national metrology regulations of its world wide members A list of regulation publications may be obtained from the Bureau International de M trologie L gale BIML in Paris France In order to configure the Model 350 to comply with OIML requirements parameter P410 Euro must be enabled Doing so will ensure the following Anover load condition will result when the gross weight exceeds nine graduations over the full scale capacity Full scale capacity is always referenced from the last zero calibration reference not the last zero acquired by pressing ZERO Most NTEP requirements will also apply See the Other Requirements section below for additional considerations Model 350 355 Service Manual 7 3 Other Requirements Several parameters must be considered on an individual basis as their configuration may vary with different applications These parameters include but are not limited to Parameter Description Comment Full
49. the in value with the numeric keys and press ENTER 4 Repeat steps 2 and 3 until all targets and pre acts are entered 5 Press SELECT to select the desired weigh mode parameter Model 350 355 Service Manual 5 18 2 Pre acts Pre act 1 is used for vessel filling Pre act 1 specifies the point where the final cutoff for the fill should occur Pre act 2 specifies the point where the final cutoff for the material discharge should occur ey Pre act 1 controls setpoint 1 Pre act 2 controls setpoint 2 5 18 3 Activation Method The fill and discharge functions begin with their selected activation methods The deactivation of the setpoints is automatic The desired target may be based on net or quantity if counting is enabled Activation types Tare key Press the TARE key to start the process A tare weight will be set and the weight will switch to net zero Remote key Press the remote key switch Auto start The process is automatically activated It waits for a no motion condition and then adds the target to the current displayed weight to achieve a relative cutoff value Annunciators Indication on the display showing the status of a relay If the annunciator is illuminated the corresponding setpoint is active In order for the annunciators to activate the displayed value must be at least five graduations above zero Annunciator Setpoint Status Requires Setpoint Option Status Board Vessel Fi
50. the output to 10096 0 10v 100P 1 00 VDC Test the 0 20mA output mode Voltmeter readings are based on the use of a 500 ohm precision resistor Caution Do not exceed 500 ohms 1 Enter the Setup Mode see Setup Mode on page 61 Chngs Poss P110 F S 100 00 2 Attach the precision resistor to pin 5 and pin 6 3 Attach the voltmeter red lead to pin 6 0 20 mA of the analog output connector 4 Attach the voltmeter black lead to pin 5 ISOLATED GND of the Analog Output connector 5 Key in 62003 SELECT Test 0 20A Per P176 6 Press TARE or ENTER to set the output to 0 0 20A OP 0 00 V T Press TARE or ENTER to increase the output to 25 0 20A 25P 25V 8 Press TARE or ENTER to increase the output to 50 0 20A 50P 5V Model 350 355 Service Manual 9 Press TARE or ENTER to increase the output to 75 0 20A 75P 7 5V 10 Press TARE or ENTER to increase the output to 100 0 20A 100P 10V Test the 4 20mA output mode Voltmeter readings are based on the use of a 500 ohm precision resistor Caution Do not exceed 500 ohms 1 Enter the Setup Mode see Setup Mode on page 61 Chngs Poss P110 F S 100 00 2 Attach the precision resistor to pin 5 and pin 6 3 Attach the voltmeter red lead to pin 6 4 20 mA of the analog output connector 4 Attach the voltmeter black lead to pin 5 ISOLATED GND of the Analog Output connector 5 Key in 6200
51. the scale settles within the stability aperture the indicator will wait for a period of time specified by the motion delay P115 before the indicator is considered stable Print operations configured as motion delayed P114 will not send the specified data until the weight reflects a stable reading as designated by this setting Certain setpoint operations are also considered motion delayed and will not change states until a no motion condition exists P115 Stability Delay Selection Selects the stability motion time delay to a resolution of 0 1 seconds For example an entry of 25 will be accepted as 2 5 seconds P116 Filter Selection Sets the indicator response time in terms of seconds Filtering determines how quickly the indicator will respond to changing input signals A low filter setting speeds the response a higher filter setting will dampen the response Filtering is used to filter out weight fluctuations caused by outside sources such as vibrations or air currents Model 350 355 Service Manual 71 72 uH P117 Rate Selection Specifies how often the display is updated with new data and the rate of continuous transmits if P210 or P230 are enabled For example if 0 05 is selected the controller will write data to the display and send continuous transmits 20 times a second Selections from 0 05 to 20 0 seconds are available The actual rate may be less than P117 The actual rate depends on the indicator s
52. use Automatic Shutdown The Battery Option System Version 2 has an automatic power off feature that is enabled by parameter 427 P427 This feature allows the Model 350 355 to shut itself off using a programmable time period of inactivity on the scale The choices for the time period are in minutes 0 5 1 2 3 4 5 10 15 20 25 30 35 40 45 and 60 You must have the following hardware in order to use the auto power off feature Model 350 Die cast e PC871B Main Board 4 positions on J3 e 450350 01006 Revision 6 EPROM or newer Model 350 355 Service Manual 55 Model 350 355 Stainless PC909 Main Board J3 position 4 PC993B Main Board J12 position 4 450350 01006 Revision 6 EPROM or newer Version 1 kits GSE P N 24350B 120B0 Zinc Die Cast Model and GSE P N 24350B 121B0 Stainless Steel Model do not support automatic shutdown The original option kits included revision A of the battery option board PC894 This board did not have the automatic power off feature The automatic power off feature cannot be added to this version of the option kit All of the other features listed above will function with this version 3 9 International Transformer IEC The Model 350 zinc die cast transformer GSE P N 20 20 35190 allows the 350 to run on overseas current Mounting tabs and line cords provide installation flexibility allowing easy mounting to walls tables shelves etc Transformers are availab
53. use last zero Enter the value of the test weight with the PRINT and UNTIS keys Press TARE to establish span Pause for motion delay Press TARE to accept calibration 137 12 Press TARE to save calibration 13 Press TARE to exit calibration 14 Remove the calibration weight Last Zero Calibration with Weight Already Applied 355 1 Remove any load on the scale Press ZERO to zero the scale Apply a test weight to verify calibration Press 1 0 0 SELECT 2 3 4 5 Press 5 4 3 2 1 ENTER 6 Press SELECT 7 Press ENTER to use last zero 8 Enter the value of the test weight with the numeric keys 9 Press ENTER to establish span 10 Pause for motion delay 11 Press ENTER to accept calibration 12 Press ENTER to save calibration 13 Press ENTER to exit calibration 14 Remove the calibration weight 6 3 4 False Zero 138 False Zero calibrates the Model 350 355 without removing the current gross weight This is particularly useful in tank weighing applications where it may be both time consuming and costly to completely empty the tank This operation is achieved by establishing a false temporary zero zero reference Test weights may then be added to verify calibration The zero reference determined during the last calibration is not affected False Zero Calibration Without Removing Existing Load 350 1 Press ZERO SELECT Press ZERO PRINT UNIT
54. value is correct press TARE 3b If no value is to be entered or PA1 is not displayed press TARE to go to the next screen 4 Repeat steps 2 and 3 until all targets and pre acts are entered Press TARE to return to the weigh mode Model 355 1 Press SELECT until tArG1 is displayed 2 Key in the desired target value with the numeric keys and press ENTER 3 The PA1 value will be displayed Key the in value with the numeric keys and press ENTER 4 Repeat steps 2 and 3 for tArG2 PA2 tArG3 and PA3 5 Press SELECT to select the desired weigh mode parameter 5 16 2 Start Batch Activation Method The batch begins with the selected activation method The method is determined by the parameters in the setup mode The deactivation of the setpoints is automatic The desired target may be based on net or quantity if counting is enabled Activation types Tare key Press the TARE key to start the process A tare weight will be set and the weight will switch to net zero Remote key Press the remote key switch Auto start The process is automatically activated It waits for a no motion condition and then adds the target to the current displayed weight to achieve a relative cutoff value Annunciators Indication on the display showing the status of a relay Ifthe annunciator is illuminated the corresponding setpoint is active Model 350 355 Service Manual 113 114 In order for the annunciators t
55. 00 bearings Parameter Setting Targ 1 1000 Actual Cutoff Value 0 1000 1000 Comments Desired quantity decreasing value from a net zero enter as a positive value Based Qty Targets are compared to quantity P170 Enabled PA 1 200 1000 200 800 Switch to slow feed at 800 bearings decreasing 0 800 800 value from a net zero enter as a positive value Start TARE Start discharge with TARE PA2 15 1000 15 985 Final gate begins closing at 985 bearings Delayed 0 985 985 closure brings final quantity to 1000 decreasing 5 18 Fill and Discharge Both value from a net zero enter as a positive value The Fill and Discharge program combines a fill operation with a discharge operation This automates a single speed vessel filling operation with a single speed multiple dispensing function Setpoint 1 is used for filling the vessel and Setpoint 2 is used for product discharge Free falling product can be accounted for with the use of pre act values PA1 and PA2 This feature must be enabled before attempting to use liada Function Description P5100 5 Both Select both setpoint operation P5101 Targ1 Vessel fill target value P5104 0 Based Select from Net or Count Quantity P5105 PA 1 Pre act 1 value for vessel fill P5106 1 Learn 1 Learn feature for pre act 1 P5107 0 Start 1 Setpoint 1 activation method P5108 Targ 2 Vessel di
56. 2 is used as a final cutoff value Setpoint Selection Function Description Fill Select Fill Setpoint Operation Targ1 Final Fill Target Value Based Select between Net or Quantity PA 1 Pre Act 1 Value Fast to Slow Value 0 for Single Speed Start 1 Setpoint Activation Method Model 350 355 Service Manual 109 Setpoint Selection Function Description PA 2 Pre Act 2 Value Final Cutoff Learn 2 Learn Feature for Pre Act 2 PrAc 1 Pre Act 1 Available as Subset in Weigh Mode PrAc 2 Pre Act 2 Available as Subset in Weigh Mode Pause Keypad Press invokes Pause 5 15 1 Enter a Target Value 110 Pressing TARE or ENTER alone allows access to the subsets PA1 and PA2 are the subsets for Targ 1 Model 350 1 2 Press SELECT until tArG1 is displayed Press PRINT until the first digit of the new target is displayed Press UNITS to accept the number displayed Continue this step until the desired number is entered Refer to the example below Example Target of 20 2a Press PRINT four times O DISPLAY READS 2 2b Press UNITS to accept the 2 that is displayed O DISPLAY READS 2 2c Press PRINT once O DISPLAY READS 20 2d Press TARE to accept the target weight as 20 O DISPLAY READS 20 3 Press TARE Once the tare key is pressed it is possible that PA1 will be displayed if the pre act parameter is enabled 3a Ifa value is desired enter it in the
57. 20 2a Press PRINT four times O DISPLAY READS 2 2b Press UNITS to accept the 2 that is displayed O DISPLAY READS 2 2c Press PRINT once O DISPLAY READS 20 2d Press ENTER to accept the target weight as 20 3 Press TARE Once the tare key is pressed Lo will be displayed This is where the lower tolerance value will be entered Enter this value in the same manner as the target weight was entered above If the displayed value is correct press TARE 4 Press TARE Once the tare key is pressed Hi will be displayed This is where the upper tolerance value will be entered Enter this value in the same manner as the target weight was entered above If the displayed value is correct press TARE The display will return to the gross mode Model 355 1 Press SELECT until tArG1 is displayed 2 Key in the target weight with the numeric keys and press ENTER 3 The Lo value will be displayed Key the in value with the numeric keys and press ENTER 4 The Hi value will be displayed Key the in value with the numeric keys and press ENTER 5 Press SELECT to select the desired weigh mode parameter 5 20 2 Start Checkweighing The checkweigh applications do not have a start function Simply put the item to be weighed onto the scale platter An annunciator will illuminate to indicate whether the item is within tolerance Annunciators Indication on the display showing the status of a relay If the annunciator
58. 20mA Zero offset value 61203 0Gn Analog option 0 20mA Full scale gain value 61204 40FF Analog option 4 20mA Zero offset value 61205 4Gn Model 350 355 Service Manual Analog option 4 20mA Full scale gain value Analog option board serial number 155 Parameter Dsply Test 8 8 8 8 8 8 Description Display test Press TARE or ENTER to illuminate all segments Continue pressing TARE or ENTER to cycle through various patterns Spt 1 Disbl Spt 2 Disbl Spt 3 Disbl Allows setpoint status to be changed by pressing TARE or ENTER while viewing this parameter Requires that setup was entered using the access code AdAnl Displays the voltage of the AC to DC power supply Refer to P62021 if a battery in used This parameter will still show a voltage when battery powered This voltage reading will be slightly lower than what is display at P62021 AdbAt Displays the voltage level on the battery when battery powered Will show 0 if AC powered Send Setup Transmits all setup information out the communication port LnCnt 0 Received setup line count ErCnt 0 Received setup error count 1stEr None Parameter of the first setup receive error Deflt All Default All Sets all parameters to factory default settings Press TARE or ENTER to initiate default Deflt CAL Same as above except calibrat
59. 3 Test Spt 3 Load Device Active 3 6 RS 485 Networking The Model 350 355 indicator supports address recognition for multi drop communications This section describes the installation of the RS 485 network option Firmware revision 450350 01013 or later is required for RS 485 operation For setup and operation information see page 75 The Model 350 355 contains components which could be damaged by Electrostatic Discharge ESD if serviced improperly Use proper ESD precautions wear a wrist strap connected to ground use grounded work stations etc when opening the enclosure Model 350 355 Service Manual 45 3 6 1 46 HIGH VOLTAGES MAY EXIST WITHIN THE ENCLOSURE TO PREVENT THE RISK OF ELECTRICAL SHOCK ALWAYS UNPLUG THE MODEL 350 355 WHEN OPENING THE ENCLOSURE INSTALLATION AND SERVICING OF THE MODEL 350 355 SHOULD BE PERFORMED BY AUTHORIZED AND QUALIFIED SERVICE PERSONNEL ONL Y NEVER CONNECT OR DISCONNECT OPTION BOARD CABLES WHILE THE INDICATOR IS POWERED DOING SO MAY RESULT IN CIRCUIT BOARD DAMAGE Install the RS 485 Network Option 350 die cast 1 9e i x dl gd 9 Te Open the indicator Remove the four screws from the back of the unit It may help to remove the swivel bracket if installed Remove the rear cover Remove the U6 IC from its socket Remove the white wire jumper Snap the plastic spacers into the three mounting holes Gently press the option board into the socket
60. 4 SELECT Test 4 20A Per P176 6 Press TARE or ENTER to set the output to 0 4 20A OP 2V T Press TARE or ENTER to increase the output to 25 4 20A 25P 4V 8 Press TARE or ENTER to increase the output to 50 4 20A 50P 6v 9 Press TARE or ENTER to increase the output to 75 4 20A 75P 8V 10 Press TARE or ENTER to increase the output to 100 4 20A 100P 10V Model 350 355 Service Manual 39 3 5 Setpoint Card Connections 3 5 1 40 Using one of the software setpoint configurations in conjunction with the setpoint option board gives the Model 350 355 the ability to directly control external devices such as valves relays actuators etc There are up to three setpoint outputs available The activation and deactivation is controlled by the setpoint configuration The outputs are capable of driving up to 20 280VAC amp 2 Amp at 3 60VDC 1A The solid state relays are normally open NO contacts The Model 350 355 contains components which could be damaged by Electrostatic Discharge ESD if serviced improperly Use proper ESD precautions wear a wrist strap connected to ground use grounded work stations etc when opening the enclosure High voltages may exist within the enclosure To prevent the risk of electrical shock ALWAYS unplug the Model 350 355 when opening the enclosure Installation and servicing of the Model 350 355 should be performed by authorized and qualified service perso
61. 412 is enabled it will add a P to the beginning of the tare parameter on the display and transmits if the last tare value was entered manually by the user numeric entry P167 needs to be enabled in order to key in a tare value A P will not be added if the last tare was performed by pressing the tare key or if the tare value is zero even if the zero value was manually entered by the user The P prefix stands for Preset When P412 is disabled the unit will never show P before tare no matter how tare is entered P420 Display Selection Select display control option Choose from On Off or Auto The auto setting helps conserve power for extended battery life When the indicator display is off the load cell s are still powered If P420 is set to Off or selection 0 you can turn on the display by holding down the ZERO key upon power up This does not set P420 to On it only temporarily turns on the large VFD display in order to allow you to see what you are entering ChoiceNumber Selection Name Description P420 00 Off Shuts off the display P420 01 On Normal display operation P420 02 Auto Shuts off the display when weight has stabilized within 6 divisions for 5 minutes Pressing ON or changing weight more than 6 divisions will re enable the display NOTE The display will turn back on if data is received via the RS 232 Port Model 350 355 Service Manual P423 Back Light on off Toggle the backlight on a
62. 485 Multi Drop Network Setup and Operation The RS 485 multi drop network option supports both half duplex 2 wire and full duplex 4 wire modes of operation The mode of operation is determined by setting jumpers 1 4 on the RS 485 option board Table 5 4 RS 485 Network Parameters Parameter Displayed Setting Name P250 00 rS485 Enable or disable RS 485 network option Disbl Enabl Description Type choices default P251 00 Specifies the address of the controller for Numeric Entry Disabled 0 RS 485Multi Drop communications and 4 254 Model 350 355 Service Manual 89 Table 5 5 RS 485 Mode of Operation Half Duplex Installed Full Duplex Open Installed Open Description Selects half or full duplex Installed on the endpoints of the network Installed on the endpoints of the network Termination resistor R8 121 Installed Open Receiver disabled when transmitting if installed 5 5 1 Setup The Model 350 355 controller supports address recognition which allows a single master device to communicate with up to 250 distinct slave controllers P250 must be enabled in order to gain access to P251 Enabling P250 by itself only causes the RTS line to become a driver enable for the RS 485 network option Changing the P251 address to a value of 4 254 enables the network address recognition receive feature i e networking 5 5 2 Operation When P251 is enable
63. 55 Service Manual 3 8 3 ON OFF Switch The on off switch for the Model 350 die cast is a rocker type switch that mounts in the center rectangular hole punch out The on off switch for the Model 350 355 stainless is a toggle type washdown type switch that replaces one of the available enclosure strain reliefs The switch is soldered to the board die cast or on a cable stainless The Model 350 355 will immediately switch to battery operation when AC power is interrupted if the switch is in the ON position Placing the switch in the OFF position prevents the battery from running down when AC power is removed The battery will be charged whenever there is AC power to the Model 350 355 regardless of the switch position Installing the ON OFF Switch on Older Model 350 355 Stainless Steel Indicators The 24350B 121BO kit included a stainless steel washer and a rubber washer to allow mounting of the ON OFF switch in 44 25 34840 revision The switch was mounted in one of the holes for a PG9 size strain relief The washers were used because the switch barrel diameter was much smaller than the hole diameter The revision B enclosures have a PG7 size strain relief hole which allows mounting of the switch without the washers Current Model 350 355 production has switched to the revision B enclosures The washers are not included in the version 2 option kits for this reason If you are retrofitting an older Model 350 355 Stainless Steel Indicator plea
64. CE PROPER LABEL OVER COM1 PORT LABELING M350 STD GSE P N 28 10 37415 y REMOTE RS485 COMM GND 1 REMOTE KEY a C 2TX B 6GND a So NX AC 3 TX A 7RX A as nx B 4 VCC 8 RX B Ha 8 5 5 SO GND 9 Oo TB Q PULSE IN Na 2 0 Tta Z ISO GND Half Duplex 2 wire Installing jumpers 1 2 and 4 on the RS 485 option board electrically connects pin RX B to pin TX B and pin RX A to pin TX A on the option board This effectively provides two and two pin connections enabling easy connection of network lines in parallel from device to device without having to position two wires into the same lever Socket A B line from each device on the network should be connected in parallel to the next device on the network This is also true for all A lines The units inside the two end points of the network loop will utilize both A pin connections and both B pin connections The units at the end points of the network will utilize only one A pin connection and one B pin connection Previous Device RX A RX B EN Jumpers dl 4 o O R receive 3 o o T terminator RX 7 2 Duplex x oo TX B TX A Next Device Model 350 355 Service Manual Full Duplex 4 wire Removing jumpers 1 2 and 4 on the RS 485 option board requires that the transmit and
65. Calibration audit trail number see Calibration Audit Trail on page 148 60204 Audit Trail Setup 00000 Setup audit trail number see Setup Audit Trail on page 148 61100 Load Cell 0 00000 Current mV V output of the load cell 61101 Cal Factr 1 00000 Calibration factor for the load cell 61102 Rezro Load 0 00000 Amount of weight in default units zeroed through use of the ZERO key 61103 Zrtrc Load 0 00000 Amount of weight in default units zeroed by the zero track feature since ZERO was last pressed 61104 CZero 0P Coarse zero calculated during calibration 61105 Fine Zero 1738 Fine zero calculated during calibration 61106 CGain 50 Coarse gain calculated during calibration 61107 Fine Gain 1 00000 Fine gain calculated during calibration 61110 gt 61112 Zero Adj25 73741 gt Zero Ad100 21813 A D compensation for coarse zero 61117 gt 61120 AiN1 NrOff 11035 gt AiN8 NrOff 14800 AID non ratio metric offset compensation 61121 Vre f NrOff 12739 AID reference voltage compensation 61122 Alt E 8 Alt E 8 when the 8 volt excitation module is installed or Alt E 5 when 8 volt excitation module is not present 61200 100FF Analog option 0 10V Zero offset value 61201 10Gn Analog option 0 10V Full scale gain value 61202 00FF Analog option 0
66. D N 12 26 VAC 50 60 HZ Figure 2 15 Model 350 Die Cast Power Connections 2 8 3 Internal AC or DC Power Supply stainless steel 350 355 AC Power Supply The Model 350 355 internal power supply model stainless steel may be powered by an external VAC power source connected to J14 on the main board Input power can be 85 265VAC 0 5A 50 60 Hz See the internal AC power connector as shown in Figure 2 16 The ground wire is connected to a stud on the enclosure Figure 2 16 Model 350 355 Internal Power Supply AC Connection J14 Model 350 355 Service Manual 27 28 DC Power Supply The Model 350 355 internal power supply model may be powered by an external 10 36 VDC power source connected to J12 on the main board also see Battery Power Supply on page 52 The power supply should have a minimum current rating of 800mA with no options installed a minimum current rating of 1 25A with options installed Figure 2 17 Model 350 355 Internal Power Supply DC Connection J12 retreat FRI An Rus poe ENEE Do not connect pins 3 or 4 The mating connector can be purchased from a local electronics supplier Recommended connectors are GSE PN 26 20 3365 24 AWG or GSE PN 26 20 3366 22 AWG AMP PN 640441 3 24 AWG or AMP PN 640440 3 22 AWG Connector cover GSE PN 26 20 3389 or AMP PN 643075 3 Model 350 355 Service Manual 3 Option Installation The capabilities of the Model 350 can be expanded with the use of
67. DATA gt lt sp gt lt lb kg gt lt sp gt lt Gross Net Qty gt lt STAT gt lt CR gt Use choice 12 to send to a 450 455 550 remote display that is set to text mode and a lt CR gt terminator Choice 13 STX Unsigned DATA gt lt sp gt lt lb kg gt lt sp gt lt Gross Net Qty gt lt STAT gt lt CR gt lt LF gt Choice 14 Simulates NCI 3835 lt LF gt Signed DATA lt CR gt lt LF gt lt STAT gt lt CR gt lt ETX gt Data Block Name Description lt STX gt A single control code decimal value of 2 lt ETX gt A single control code decimal value of 3 lt POL gt A space for positive data or a for negative data lt Signed DATA gt 8 characters right justified space padded including a decimal point and polarity sign Polarity is a or to the immediate left of the most significant digit lt Unsigned DATA gt 8 characters right justified space padded including a decimal point Ib kg Two characters indicating pounds or kilograms lt Gross Net QTY gt Single word for gross weight net weight or quantity lt STAT gt An O overload underload M motion or space otherwise See lt SPS gt Setpoint Status below A single control code decimal value of 13 A single control code decimal value of 10 ASCII Space decimal value of 32 Model 350 355 Service Manual lt SPS gt Setpoint Status Transmitting the setpoint status will reflect the current state of
68. ISOLATED 3 ISOLATED GND 4 0 10VDC 5 ISOLATED GND 6 4 20 OR 0 20mA 350 355 Stainless Steel Cut off the text ANALOG OUTPUTS from the label and place it on the connector shown below apply to the area just under the field external wire terminals 3 4 5 Analog Board Diagnostic and Test Procedures The following test procedures affect the analog output signal levels Be sure to disconnect all peripheral devices attached to the analog option card i Test equipment needed precision DC voltmeter 500 ohm precision resistor The 500 ohm resistor must meet the following specifications 01 tolerance and 5ppm temperature coefficient This test procedure requires that the initial analog option calibration procedure has been completed Test the 0 10V output mode 1 Enter the Setup Mode see Setup Mode on page 61 Chngs Poss P110 F S 100 00 2 Attach the voltmeter red lead to pin 3 0 10VDC and the black lead to pin 2 ISOLATED GND of the Analog Output connector 3 Key in 62002 SELECT Test 0 10v Per P176 4 Press TARE or ENTER to set the output to 0 0 10v OP 0 00 VDC Model 350 355 Service Manual 37 38 5 Press TARE or ENTER to increase the output to 25 0 10v 25P 2 50 VDC 6 Press TARE or ENTER to increase the output to 50 0 10v 50P 5 00 VDC T Press TARE or ENTER to increase the output to 75 0 10v 75P 7 50 VDC 8 Press TARE or ENTER to increase
69. M Ports of the master and remote unit If this parameter is disabled the PRINT key will have no effect on the master indicator Enable Disable 98 P285 01 Enables or disables the use of the TARE key on the master indicator When this parameter is enabled and the key is pressed a Tare key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the TARE key will have no effect on the master indicator Model 350 355 Service Manual Enable Disable Parameter Setting P286 01 Displayed Name Description Enables or disables the use of the ENTER key on the master indicator When this parameter is enabled and the key is pressed an Enter Sample key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the ENTER key will have no effect on the master indicator Type choices Default Enable Disable P287 01 Enables or disables the use of the CLR key on the master indicator When this parameter is enabled and the key is pressed a clear key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the CLR key will have no effec
70. M problem detected during power up Problem with A D chip detected Disconnect any options installed and re power the unit Options are connected to the same serial lines as the A D so they may prevent it from working properly Bad A D calibration values Recalibrate A D see A D Calibration Procedure on page 156 FRAM data could not be read Attempting power up reset FRAM data error Deflt Setup An error occurred when reading setup data from the FRAM during power up All parameters are set to factory default Ch XXXX A checksum error occurred during power up All annunciators are lit The FRAM integrity test failed or is improperly seated E2 Full The FRAM setup exceeds the memory capacity E2 rd Error Error reading EEProm Send in for repair NoSpc Free The current setup exceeds the setup RAM capacity 152 Model 350 355 Service Manual 8 1 4 Calibration Errors F S TooHi The entered calibration weight will result in an over capacity condition at full scale Verify that the full scale P110 and calibration weight value are correct F S TooLo The entered calibration weight will result in a full scale input signal less than the minimum allowed Verify that the full scale P110 and entered weight value are correct Add Load ReCal The calibration weight is less than 0 196 of capacity More weight is required Repeat the cal procedure for accuracy This
71. Manual Remove the rear panel screws of the stainless steel model Locate the fiber optic board connector J16 on the stainless steel model main board Snap the 4 nylon standoffs provided with the fiber optic board into the holes surrounding the J16 connector Place the fiber optic board on the standoffs but do not press onto the standoffs Line up the J1 connector on the back of the fiber optic board with J16 on the stainless steel model main board Press the fiber optic board onto the plastic standoffs Remove the rubber plugs from the J2 and J3 connectors Follow the instructions below for installing the fiber optic cable to the fiber optic board V Figure 3 14 Fiber Optic Board Installation 57 3 10 2 Plastic Fiber optic Cable Installation and Termination The plastic fiber optic cable is an inexpensive way to connect an intrinsically safe indicator to a safe area hub indicator The cable allows a distance of 200 feet maximum 1 2 3 58 Unscrew cap from the strain relief next to the loadcell strain relief Remove rubber grommet from inside the strain relief Insert the two hole seal which was included with fiber optic board kit Install the small end of the seal first Reinstall the strain relief cap on the strain relief but do not tighten Refer to Figure 3 15 Peel apart conductors of plastic fiber cable approximately 1 Insert plastic fiber conductors through seal holes in the strain relief
72. N position Placing the switch in the OFF position prevents the battery from running down when AC power is removed The battery will be charged whenever there is AC power to the Model 350 355 regardless of the switch position Model 350 355 Service Manual 1 7 2 AC Operated The AC version does not have an On Off switch Plug the indicator into an appropriate AC outlet Unplug the indicator to turn it off 1 8 Keypad 1 8 1 Model 350 Keypad The Model 350 offers a sealed 5 button elastomer keypad which is used for operator input Each key is assigned two distinct functions Various key combinations are also used Each key has secondary functions allowing an operator to enter target values perform piece samples access setup parameters etc ZERO PRINT UNITS TARE SELECT CLR A lt ON Figure 1 1 Model 350 Keypad The Model 350 keypad performs different functions in the Weigh Mode the Setup Mode and the Calibration Mode Secondary functions for each key allow you to perform additional tasks Key Press Weigh Mode Count Mode Setup Mode Performs a gross zero function Performs a quantity zero function Exits the Setup Mode and or and or clears an entry in and or clears an entry in progress answers NO to query progress prompts and or clears an entry Hold this key on power up to in progress turn on the display if in sleep mode Performs a print function and or Performs a print function and or Scrolls through digit
73. S TARE Press SELECT SELECT Press TARE to establish false temporary zero Place a test weight on scale 2 3 4 Di Pause to display calibration units 6 7 Enter the value of the test weight with the PRINT and UNITS keys 8 Press TARE to establish span Model 350 355 Service Manual Only Zero Calibration 355 1 o0 c gy Ou d 9 I From the Weigh Mode press 1 0 0 SELECT Press 5 4 3 2 1 ENTER Press SELECT SELECT SELECT Remove any load on the scale Press ENTER to establish zero Pause for motion delay Press ENTER to accept calibration Press ENTER to save calibration Press ENTER to exit calibration 6 3 5 Reset Calibration Cal Reset may be necessary when an over load or under load condition exists preventing the completion of the calibration process Calibration Reset adjusts the zero and gain factors of the A D amplifier to factory default values for maximum sensitivity After performing a calibration reset a complete recalibration is required The effects of a calibration reset do not take effect until the Model 350 355 is recalibrated and calibration information has been saved TS If Code 02 under load or Code 03 over load is displayed during calibration press ZERO or CLR to perform a calibration reset Reset Calibration Gain Factors 350 1 2 3 4 5 6 7 8 9 10 11 12 Model 350 355 Service Manual P
74. Scale Capacity Verify proper scale capacity Division Size Verify that the maximum allowable number of scale divisions are not exceeded Zero Track Verify required selection Stability Verify required selection Zero Range Verify required selection Print Stability Verify required selection 7 4 Sealing and Audit Trails Most legal for trade installations will require the Model 350 355 to be sealed A sealed indicator cannot be accessed for setup or calibration changes without breaking a physical seal or incrementing an event counter thus providing evidence of tampering The Model 350 355 has two types of sealing provisions a physical seal and a three event audit trail counter Check with your local weights and measures authority to determine your requirements 7 4 1 Physical Seal The most common sealing method is a lead wire seal The Model 350 and Model 355 provide an easy means of applying this type of seal as shown in Figure 7 4 and Figure 7 5 Before applying a wire seal move the program jumper to the NO position as shown in Figure 7 2 and Figure 7 3 This will prevent access to the Setup and Calibration Modes Model 350 355 Service Manual 145 Program Jumpers JUMPER 40 20 40650 2 04 04 C000000000000000000920000 CI
75. abled hub Remote enter key enabled hub Remote clear key enabled hub Remote numeric and decimal key enabled hub Remote target key enabled hub Start character 2 control End character 3 control Remote style 300 control The parameters of the hub indicator may be overridden by keying in 299 ENTER at P260 The parameters of the control indicator may be overridden by keying in 399 ENTER at P260 Refer to Table 5 8 for the parameters available for the hub Each time the hub indicator is powered up the display may show Hub Once motion is seen the display will echo the control unit Setpoints and analog outputs on hub are updated within 1 second or on the actual change in state even if hub is showing 102 Model 350 355 Service Manual 5 12 300 Series Command Codes It is possible to send commands through the serial port to perform specific tasks Percent Master Decimal E Action equivalent Remote As part of an echo used to indicate character information starting at 1st of 10 characters As part of an echo used to indicate character information starting at 2nd of 10 characters Used to begin an echo OR as part of an echo used to indicate character information starting at 3rd of 10 characters Normally to end an echo OR as part of an echo used to indicate character information starting at 4th of 10 characters As part of an echo used to indicate character inf
76. alibration 2 Press TARE or ENTER to save calibration 3 Press TARE or ENTER to exit calibration To exit without saving calibration information 1 Press TARE or ENTER to accept calibration 2 Press ZERO 3 Press TARE or ENTER 4 Press TARE or ENTER to exit calibration 142 Model 350 355 Service Manual 7 Legal for Trade The Model 350 355 default parameter setup does not ensure compliance with legal for trade installations as mandated by local weights and measures authorities This chapter contains information on NTEP and OIML regulations sealing and audit trails and other requirements Since legal for trade requirements may vary you must ensure that the Model 350 355 installed in accordance with all local regulations 7 1 NTEP Requirements The National Type Evaluation Program NTEP is a widely accepted weights and measures standard in the United States with most states abiding by some or all of the NTEP requirements A complete list of these regulations is available in the Handbook 44 publication distributed by the National Institute of Standards and Technology NIST For more information visit http www nist gov The Model 350 355 NTEP Certificate of Conformance C O C is 98 092A3 In order to configure the Model 350 to comply with NTEP requirements parameter P440 rstrc restrict must be enabled This ensures the following Serial data will not be received while in the Set
77. ance to the next Parameter Model 350 and Model 355 1 While in the setup mode press SELECT 2 Continue pressing SELECT to advance through setup parameters 4 2 2 Access the Previous Parameter Model 350 1 Press PRINT O DISPLAY READS gt 2 Press SELECT 3 Repeat steps 1 and 2 to back up one parameter Model 355 1 Press O DISPLAY READS gt 2 Press SELECT 3 Repeat steps 1 and 2 to back up one parameter uU When accessing a parameter the parameter number appears briefly The display then toggles between the parameter name and selection Pressing UNITS will again briefly display the parameter number 4 2 3 Access a Specific Parameter The instructions below will show how to access parameter 200 P200 Model 350 1 Press PRINT four times to select the first digit O DISPLAY READS gt 2 2 Press UNITS to advance to the next digit O DISPLAY READS gt 2 3 Press PRINT once to select the next digit Model 350 355 Service Manual 63 4 3 O DISPLAY READS gt 20 4 Press UNITS to advance to the next digit O DISPLAY READS gt 20 5 Press PRINT once to select the next digit O DISPLAY READS gt 200 Press SELECT to advance to the parameter O DISPLAY READS gt P200 00 Baud 9600 Model 355 1 Key in 200 SELECT O DISPLAY READS gt P200 00 Baud 9600 Changing a Parameter Value 4 3 1 Selection Parameters 64 Selection parameters have a pre
78. are Save allows the indicator to retain the tare value in the event of power loss The correct net weight is restored upon power up P166 Auto Tare Toggle When enabled pressing TARE will wait for a no motion condition and then bring the scale to a net zero reading Disabling will prevent keypad tare operations Note that if a setpoint activation method is set to TARE disabling Auto Tare will also disable the activation of that setpoint Model 350 355 Service Manual P167 Keyboard Tare Toggle If P167 is disabled the user cannot view tare using the select key A numeric tare manually entering tare will not be accepted and show a msg Funct disbl The only way a tare value can be entered is by using the automatic tare press TARE to tare the weight on the scale When P167 is on the user can view tare using the select key tare will follow Net The unit will accept numeric tare On the Model 355 users can use the numeric keypad On the Model 350 users can use PRINT and UNITS to scroll in an entry P169 Auto Tare Clear Toggle Enabling this feature will cause the current tare value to be cleared to zero every time the indicator stabilizes within 5 graduations of gross zero P171 Analog Toggle Enable or disable the optional analog output module See Analog Output Setup on page 131 for all parameters associated with the Analog Output Module P178 Average Piece Weight APS View Select how the average pie
79. are supported Active Passive The Tx output may be used as an active or passive output from the indicator Either active or passive is chosen depending upon which terminals are used for the connections In active mode the indicator supplies the current In passive mode the external device supplies the current The Rx input is available in passive mode only Isolation The input and output are electrically isolated from the main board as well as earth ground and each other for both passive and active modes of operation Isolation is a minimum of 1000v Max Voltage Active mode Tx current loop provides a driving voltage of 12v This will allow 20 mA current flow with up to a 600 ohm load Passive mode will work with an external driving voltage of up to 50v 50 Model 350 355 Service Manual 3 7 3 Connections The field connections to the 20 mA circuitry will be made at the main board s comm connector i e the lever connector on the Model 350 355 Stainless Steel version and at the D connector on the Model 350 Zinc Die Cast unit Label On the stainless steel enclosure apply the label marked Model 350 355 SS to the main board above J8 Position the label so the REM remote on the main board is covered with the REMOTE of the supplied label The new label will redefine all of the other pin designations On the die cast enclosure apply the label marked Model 350 STD to the outside of the enclosure The supplied label should compl
80. ast five graduations above zero Annunciator Status Annunciator Color LED SP 1 Illuminated Relay 1 Contacts Closed Relay 2 and 3 Contacts Open SP 2 Illuminated Relay 2 Contacts Closed Relay 1 and 3 Contacts Open SP 3 Illuminated Relay 3 Contacts Closed Relay 1 and 2 Contacts Open 5 21 3 Batch2 Example With a system set up a system to make a 50 000 Ib batch with water 30 000 Ibs corn syrup 15 000 Ibs and caramel color 5 000 Ibs ingredient 1 should start with TARE and subsequent ingredients should auto start Parameter Setting Actual Cutoff Value Target 1 30 000 Desired water weight Target 1 30 000 Based Net Targets are compared to net weight Based Net Start 1 Tare Start water with TARE Start 1 Tare Model 350 355 Service Manual 125 Parameter Setting Target 2 15 000 Actual Cutoff Value Comments Desired corn syrup weight Target 2 15 000 Start 2 Auto Start corn syrup when water is done and Start 2 Auto motion has stopped Target 3 5 000 Desired caramel coloring weight Target 3 5 000 Start 3 Auto Start caramel coloring when corn syrup Start 3 Auto is done and motion has ceased 5 22 Independent Setpoint Operation Independent Setpoints allow controlling setpoints when the gross net or quantity if counting is enabled is above or below a target value The reset deactivation choice of each setpoint is selectabl
81. battery life This section covers the battery connections on the Model 350 355 main board the installation of the battery option board and the battery 3 8 1 Mounting The circuit board and battery fit inside the die cast and stainless steel enclosures The circuit board acts as the hold down for the battery in both enclosures Please refer to Figure 3 11 for the Model 350 355 Stainless Steel installation diagram or for installation diagram for the Model 350 Die Cast Enclosure Installing the battery option prevents installation of analog or setpoint options Review the connection diagrams thoroughly before installing the cable that connects the Model 350 355 main board to the option board DAMAGE TO THE OPTION BOARD OR INDICATOR CAN RESULT FROM IMPROPER INSTALLATION p Figure 3 11 Battery Option Installation 350 355 Stainless Steel 52 Model 350 355 Service Manual 3 8 2 N Bos x I f Q T a N x Pa r4 pi Y i 3 8 c ae Sy amp RN bu MAR S Figure 3 12 Battery Option Installation 350 die cast Connection See Figure 3 13 for main board battery connections J3 Description Positive terminal VDC signal input Negative terminal VDC signal input Low battery indicator terminal TTL output 5V OK OV Lo Bat Shutdown NOTE Earlier die cast model s main board may have only 2 or 3 pins no L or S pins Figure 3 13 Main Board Battery Connection 53 Model 350 3
82. cator P290 Choose the communication port of the master indicator the remote indicator is connected to P291 Transmit any ASCII character or control code to the remote indicator as a start character before echoing unit s display Make sure this parameter matches P274 on the remote indicator P292 Transmit any ASCII character or control code to the remote indicator as an ending character after echoing unit s display Make sure this parameter matches P275 on the remote indicator P296 Choose the remote indicator type a 300 series or 60 series 5 10 3 Setup Remote Indicator Parameter Setting P261 01 Displayed Name For an indicator to become a remote display P260 must be set for r dsp There are two styles in which the remote indicator will display data received from the master indicator These styles are display and custom Choose one of the display styles at P271 Refer to page 100 for details on display and custom styles The parameters in the following table are available only when P260 is set for r dsp or Hub Table 5 7 Remote Display Setup Parameters Type choices Description Default Choose the port in which the remote display slave will communicate with the 1 2 None master device P270 00 P271 00 Determines whether the remote display slave will show a message when Enable Disable connection is lost Set to display or custom When set to display the remote will echo the displa
83. ce weight APW will be displayed with the SELECT key Be sure to enable P179 Count to use this parameter Chose one of the following Choice Number Selection Name Description P178 00 Average piece weight APS will not be displayed with the SELECT key P178 01 Display the average piece weight APS after the QTY parameter P178 02 Display the average piece weight APS 1000 after the QTY parameter P178 03 Display both the Average piece weight APS and APS 1000 through the SELECT key P179 Count Toggle When enabled the quantity mode becomes accessible via the SELECT key The quantity mode is identified by the illumination of the QTY annunciator P200 Baud Comm 1 Selection Set the desired baud rate for the communication port 150 115K bps P201 Data Bits Comm 1 Toggle Select 7 or 8 data bits for the transmission P202 Parity Comm 1 Selection Select Odd Even or None for the transmission parity Model 350 355 Service Manual 73 74 P203 Stop Bits Comm 1 Toggle Select 1 or 2 stop bits for communication port transmissions P204 Comm Handshake Comm 1 Selection Select from None Software Xon Xoff Hardware CTS RTS or Both P210 Send Comm 1 Selection Transmission Send options ChoiceNumber Selection Name Description P210 00 All transmissions disabled P210 01 Sends transmission with PRINT key P210 02 Sends transmissions continuously
84. cessary to setup the protocol parameters in both indicators so they match in order to coordinate the transmission See table below for the common protocol parameters A remote indicator will not show the bargraph even if it is a LCD display Parameter Master P200 or P220 Remote P200 or P220 Description Baud rate P201 or P221 P201 or P221 Data bits P202 or P222 P203 or P223 P202 or P222 P203 or P223 Parity Stop bits P204 or P224 P204 or P224 Handshaking P291 P274 Start Character P292 P275 End Character To enter the master or remote setup local setup It is possible to make changes to the master indicator setup mode from either the remote indicator or the master indicator itself The master indicator setup mode can be entered from either the master or the remote indicators However the remote indicator slave setup mode can ONLY be entered from the remote indicator After in the setup mode you can make changes from the remote indicator or the master indicator Refer to page 61 for instructions on how to access the setup mode Model 350 355 Service Manual After the setup mode is entered the numeric portion on the 355 keypad is restored When in the remote slave setup all annunciators are illuminated on the remote to distinguish between the master and remote slave indicators 5 10 2 Setup Master Indicator Set the following parameters on the master indi
85. ch and interrupting the AC power to the Model 350 355 3 8 5 Low Battery Indication The Low Battery indication occurs when the battery is discharged below 11 4 VDC Parameter 426 P426 enables or disables the low battery indication Low battery will be indicated continuously if this feature is enabled without the battery option installed Display indication A Model 350 355 with LED display will flash LoBat on the display as a warning when the battery is low A Model 350 355 with LCD display will turn on the square indicator between the MOTION and GROSS indicators on the bottom of the display LOBAT is written above the indicator on the LCD lens Required hardware You must have the following hardware in order to use low battery indication Model 350 Die cast e PC871B Main Board 4 positions on J3 450350 01006 Revision 6 EPROM or newer Model 350 355 Stainless PC891A Main Board J3 position 3 e PC909 Main Board J3 position 4 e PC993B Main Board J12 position 4 450350 01006 Revision 6 EPROM or newer 3 8 6 Dead Battery Shutdown The battery option disconnects battery power to the Model 350 355 before erratic operation can occur The shutdown occurs at a battery voltage of 10 VDC The switch must be clicked from ON to OFF to ON again to activate battery power after it has shut down This feature is part of the circuitry on the battery option board The Model 350 355 Main Board type and EPROM version do not affect its
86. ched the weighing device 106 Model 350 355 Service Manual Pre act values are entered in terms of the amount of product that would over fill or how early to close the control device For instance after repeated tests a system consistently over fills by 5 Ibs This is the value that should be entered as the pre act The Model 350 355 would then deactivate the setpoint 5 Ibs less than the desired final target value Parameter Actual Cutoff Setting Value Comment Target 400 Ibs Desired final weight Pre Act 1 28 400 28 372 Switch to slow feed at 372 Ibs Pre Act2 5 400 0 5 399 5 Final fill valve closes at 399 5 Ibs 5 13 3 Learn Feature The Model 350 355 can learn optimal pre act values When enabled the learn feature will automatically adjust the final cutoff value based on an analysis of the five previous fills helping achieve a final target by compensating for product viscosity changes in plant air pressures sticky valves etc For each cycle the prior five final weights are analyzed and a new pre act value is calculated 5 13 4 Pause Feature The Model 350 355 can pause setpoint operations This is useful to provide a pause for mid cycle operator breaks mechanical adjustments etc Pause Setting Action Result Disabled Pause feature disabled Keypad Model 350 355 Key Press Current cycle paused all setpoints deactivated Remote Key Remote Key Contact Closure Current cycle pause
87. ckweighing Example sss emnes 122 Model 350 355 Service Manual Target Deviation Checkweigh sse ennemis 122 Enter a Target Value A OA AEAEE AS AAA 122 Start Checkweighing i 123 Target Deviation Checkweighing Example sss 124 Batch 2 4 onis Leda usi Eee Sova De he eh reve ue bon Geena icone FERRE ER aes 124 Enteric Target ida e 124 Activation Method a ia iaia 125 Batch2 Example traia a a oed 125 Independent Setpoint Operation nan nnnnn emere 126 Setpolnt ACLIVAtlon eiii eti erred dier ADA id id 127 Changing Targets from the Weigh Mode seme 127 Example nte aee t Gute zan tasa ec irene 128 Bargraph Setup LCD narsiai elia 128 Scaling For Bars Bargraph Arrows i 128 Analog Output Setup avi ite e E ue o aD acude o e ee ue a dede cue eua 131 Analog Output Calibration iii 132 Analog Output Example ii 133 Chapter 6 Calibration 2 i c E ee diei ote RO M RE ERE Re 135 Setup Mode Calibration ii 135 Fast Gallbration x o etc eit o eem be aga Ad 135 Performing Calibration iaia iaia 135 Establishing Zero t ioter oe E e ne Mediam e Peres ali Red eeu Rx 136 ElistZero nd 136 EAS Zerom ott a aah tts pin Uia et ra 137 False Zero coco oA a ea E PUE 138 Reset Calibration 2 1 it e tec M Rp EREMO M iii MA 139 Multi Point Linearization
88. d all setpoints deactivated Both Model 350 355 Key Press or Current cycle paused all Remote Key Contact Closure setpoints deactivated Pause Setpoints on the Model 350 When invoked Pause deactivates all setpoints The display will show Tare Abort Pressing TARE will abort the current cycle any other keypress will resume the cycle The Pause feature has four settings Pause Setpoints on the Model 355 When invoked Pause deactivates all setpoints Pressing the TARE key will pause the setpoints The display will show Abort Pause Stop Abort Pressing the STOP key again will abort the setpoints Pressing the START key will resume all setpoints In the independent setpoint mode the setpoints will remain deactive until the START key is pressed Model 350 355 Service Manual 107 5 14 Percentage Checkweigh This feature is commonly used in checkweigh applications and must be enabled before attempting to use After a target weight is entered upper and lower tolerances are entered as a percentage of the target Over and under tolerance values are automatically calculated according to the percentages entered The desired target may be based on gross weight net weight or quantity if counting is enabled Setpoint Selection Function Description Check weigh by percentage Absolute target value Low acceptance percentage High acceptance percentage Select from Net Gross or
89. d device pre act 1 should be set to 0 from the Setup Mode Pre act 2 specifies the point where the final cutoff should occur regardless of a single speed or dual speed operation 5 17 3 Start Discharge Activation Method The dispensing activation is limited to TARE or a remote key input The deactivation of the setpoints is automatic The desired target may be based on net or quantity if counting is enabled The discharge begins with the selected activation method The method is determined by the parameters in the setup mode The deactivation of the setpoints is automatic The desired target may be based on net or quantity if counting is enabled Activation types Tare key Press the TARE key to start the process A tare weight will be set and the weight will switch to net zero Remote key Press the remote key switch 116 Model 350 355 Service Manual Discharge Status Fast Discharge Annunciator Status SP 1 amp SP 2 Illuminated Setpoint Status Requires Setpoint Option Board Relay 1 and 2 Contacts Closed Slow or Single Speed Discharge SP 1 Illuminated Relay 1 Contacts Closed Fill Done or Pause SP 1 amp 2 Off Relay 1 and 2 Contacts Open 5 17 4 Discharge Example With a system set up to dispense ball bearings from a 50 000 Ib weigh bin and the fast feed requiring an early cutoff to slow feed the following settings might be used to achieve accurate dispensing of 10
90. d by choosing a valid address the Model 350 355 will ignore all data it receives until an lt STX gt character is followed immediately by a character that matches the address defined by setup parameter P251 If these two conditions are met then the Model 350 355 will process all subsequent data until the end of block character lt ETX gt is received signaling the end of the transmission The receive routine of the Model 350 355 then resets to look for the lt STX gt character again The data packet format recognized by the Model 350 355 is defined as follows lt STX gt lt ADDRESS gt lt DATA gt lt DATA gt lt DATA gt lt DATA gt lt ETX gt Refer to Table 5 1 ASCII Hexadecimal Conversion Chart on page 85 for lt STX gt and lt ETX gt ASCII codes The address is a single byte decimal value 4 254 The lt DATA gt can be any information recognized by the Model 350 355 including direct commands such as a p Print This would direct the addressed unit to send its print transmission defined at P213 over the network If the received address character does not match P251 then all of the subsequent data is ignored until the next start of packet character lt STX gt is received An address of 0 at P251 will cause the Model 350 355 to process all received data 5 5 3 Network Protocol The protocol settings for the RS 485 network option board are the same as the protocol settings for RS 232 These settings are found starting a
91. d to the option cards through the available strain relief s Make sure to connect cable conductors to the proper terminals before closing the unit Reinstall the back cover Tighten the eight screws securely to create a good seal Be sure to avoid pinching the cable between the housing halves Figure 3 4 Option Board Installation Flash Version Model 350 355 Service Manual 3 4 3 Install the Analog Output Model with Option Mounting Bracket Model 350 355 Stainless 1 2 2a 3a 5a 5b 6a 6b 8a Model 350 355 Service Manual Open the indicator Remove the eight screws from the back of the unit Locate the three studs and one thru hole on the 350 main board that the option mounting bracket will be attached to See Figure 3 5 Remove the nuts from the three studs on the main board It may help to position the option mounting bracket over the 350 main board to locate the three studs and one thru hole Install the nylon stand off supplied with the option bracket kit into the thru hole on the option bracket See Figure 3 5 The thru hole is located on the option bracket towards the center of the board on the irregular flanged section a smaller hole than the others on the bracket that would be positioned towards the power supply regulator U11 with a flanged heat sink on it Install the three hex stand offs onto the studs on the main board Tighten the stand offs gently with a 6 mm hex nut driver I
92. dec Clone STX POL DATA lt L K gt G N STAT CR lt LF gt Where lt STX gt is a single control code decimal value of 2 DATA is 8 characters 1st character is either minus sign or a space padded with leading spaces with an embedded decimal point lt L K gt is a single L or K character to indicate Ib or kg units lt G N gt is a single G or N character to indicate gross or net data STAT is an O overload underload M motion or space otherwise CR is a single control code carriage return decimal value of 13 lt LF gt is a single control code line feed decimal value of 10 Choice 4 lt STX gt lt SignedDATA gt lt sp gt lt lb kg gt lt sp gt lt Gross Net Qty gt lt STAT gt lt CR gt Choice 5 STX Signed DATA gt lt sp gt lt lb kg gt lt STAT gt lt CR gt Model 350 355 Service Manual 81 Choice 6 STX Signed DATA gt lt sp gt lt lb kg gt lt CR gt Choice 7 lt STX gt lt Unsigned DATA gt lt sp gt lt CR gt Choice 8 lt STX gt lt Signed DATA gt lt sp gt lt lb kg gt lt sp gt lt Gross Net Qty gt lt STAT gt lt SPS gt lt CR gt Choice 9 lt STX gt lt Signed DATA gt lt sp gt lt lb kg gt lt STAT gt lt SPS gt lt CR gt Choice 10 lt STX gt lt Signed Displayed Weight gt lt sp gt lt lb kg gt lt SPS gt lt CR gt Choice 11 lt STX gt lt Unsigned Displayed Weight gt lt SPS gt lt CR gt Choice 12 lt STX gt lt Unsigned
93. e from Tare Remote Key Auto Non latching or Absolute Setpoint Selection Function Description Independent Setpoints Select from Net Gross or Count Quantity for setpoint 1 Activate setpoint 1 when weight is above or below Setpoint 1 target for weight to either rise above or fall below Setpoint 1 activation stability setting Reset selection for setpoint 1 Value for reset Only available if Value is selected for Reset 1 Reset 1 stability setting Select from Net Gross or Count Quantity for Setpoint 2 Activate setpoint 2 when weight is above or below Setpoint 2 target for weight to either rise above or fall below Setpoint 2 stability setting Reset selection for setpoint 2 Value for reset Only available if Value is selected for Reset 2 Reset 2 stability setting Select from Net Gross or Count Quantity for Setpoint 3 Activate setpoint 3 when weight is above or below Setpoint 3 target for weight to either rise above or fall below Setpoint 3 stability setting Reset selection for setpoint 3 Value for reset Only available if Value is selected for Reset 3 126 Reset 3 stability setting Model 350 355 Service Manual 5 22 1 Setpoint Activation Independent Setpoints can be activated when the gross weight net weight or quantity if counting is enabled is above or below a target value When an independen
94. e indicator Be careful not to scratch the finish of the indicator when removing these plugs Place the adhesive gasket around the panel cutout This step is optional The gasket should be adhered onto the outside of the panel and centered around the cutout Place the Model 350 through the panel cutout This step may require a second person to hold the indicator in place The indicator should be centered inside the cutout Using two small screws and star washers attach the two panel mount brackets The center holes of the brackets should align with the threaded bracket mounting holes on either side of the indicator The two brackets should angle away from the indicator Apply pressure on the mounting brackets in the directions shown in Figure 3 2 This will ensure the indicator is drawn firmly against the panel 31 6 Using four long screws and four lock nuts secure the indicator to the panel Thread the lock nuts onto the screws so that they will not interfere with tightening the screws into the threaded bracket holes Evenly tighten the four screws until they are snug Do not over tighten Now thread the lock nuts down until they are snug against the bracket T Drill 1 16 0 0625 diameter pilot hole on the front of the enclosure for the serial number label 8 Add the serial number to the label 9 Install the label by tapping the pins through the label into the front enclosure 3 4 Analog Card Connections 3 4 1 32
95. e the Setup Mode as described in Setup Mode on page 63 As each information parameter is accessed the parameter number is briefly displayed followed by the parameter name and finally the parameter value To repeat the parameter number and name sequence press SELECT To exit the information mode press ZERO 154 Model 350 355 Service Manual Parameter Table 8 1 Information Parameters Description Total amount of FRAM storage Amount of available FRAM storage Set and view the microprocessor speed The higher the speed of the processor the more power consumption The default value is 3 69 MHz Press the TARE key on the 350 or ENTER key on the 355 to change the value The value will not take affect until power is cycled View the current processor speed by pressing PRINT or UNITS 60100 GSE c1998 Copyright statement 60101 350 01001 Firmware revision code It is likely this code will be different than shown 60102 02 10 1998 Firmware date code It is likely this code will be different than shown 60200 bsn 10001 Main circuit board serial number It is likely this number will be different than shown 60201 Audit Trail Euro 00000 OIML European audit trail number see OIML Audit Trail on page 144 60202 i sn 00000 Model 350 355 serial number It is likely this number will be different than shown 60203 Audit Trail CAL 00000
96. ed the Model 350 355 displays Enter Load and awaits the entry of a span test load value This value may be entered before or after the test load has been applied Model 350 355 Service Manual 141 If the calibration weight value was entered before applying the test weight Add Load is displayed indicating that the test weight should now be applied Apply the test weight press TARE or ENTER and exiting calibration If it is necessary to repeat the calibration process press ZERO at the Cal Good prompt and repeat the calibration process Establishing span with a 100Ib test weight 1 Place a 100Ib test weight on scale 2 Enter 1 0 0 3 Press ZERO or ENTER to establish span 4 Pause for motion delay When making a significant change to the previous calibration or when the calibration weight is less than 5 of full scale capacity ReCal will be displayed instead of Cal Good In this event it is recommended that the calibration be performed a second time Press TARE or ENTER to recalibrate or press ZERO to skip recalibration 6 4 Exiting Calibration Once zero and span have been established the newly acquired calibration information must be saved to non volatile memory before it will be realized in the Weigh Mode When saving calibration parameters changed in the setup mode are also saved with their new selections To exit and save calibration information 1 Press TARE or ENTER to accept c
97. ed cutoff value for caramel coloring is added to current displayed weight Start caramel coloring when corn syrup is done and motion has ceased Model 350 355 Service Manual 5 17 Discharge The discharge program is designed for single speed or dual speed dispensing of product from a larger weigh vessel Discharge is a loss in weight application similar in operation to the fill program When a discharge is initiated the scale automatically tares and comes to a net zero weight The appropriate setpoints are activated and material is discharged until the decreasing net weight reaches the desired target value Free falling product can be accounted for with the use of pre act values PA1 PA3 This feature must be enabled before attempting to use Setpoint Selection P5100 1 Function Discharge Description Select discharge setpoint operation P5101 Targ1 Based Final dispensed target value Select between net or count quantity PA 1 Pre act 1 value fast to slow value 0 for single speed Start 1 Setpoint activation method PA 2 Pre act 2 value final cutoff Learn 2 Learn feature for pre act 2 PrAc 1 Pre act 1 available as subset in Weigh Mode P5115 1 P5116 1 Pre act 2 available as subset in Weigh Mode Keypress invokes pause 5 17 1 Enter a Target Model 350 1 Press SELECT until tArG1 is displayed 2 Press PRINT until the first dig
98. ed switch will conduct about 0 25 mA Therefore a low voltage switch with gold plated contacts is recommended A Mercury wetted switch will also work well A minimum contact duration of 100 ms is required Once invoked the selected remote key operation will not repeat until the contact is released and closed again Model 350 355 Service Manual Figure 2 12 Remote Key Connection Model 350 and 355 Stainless Steel Figure 2 13 Remote Key Connection Model 350 Die Cast 2 7 Remote Display Connections It is possible to connect one Model 350 355 indicator to another Model 350 355 and have the remote indicator display a copy of the master indicator or customize the display of the remote slave indicator The keypad on both the master and slave indicators will operate Refer to the drawing below to connect the master indicator to the remote slave indicator Refer to page 96 to configure the master and remote slave displays There are several different configurations for Master to remote slave indicator connection and setup MASTER INDICATOR SLAVE INDICATOR Figure 2 14 Master Indicator to Remote slave Indicator Connections Model 350 355 Service Manual 25 2 8 Power Connection There are four ways to power the Model 350 355 120 VAC wall mount transformer e 12 36 VDC external source e 12 26VAC external source Internal battery option ud The Model 350 355 does not include an on off switch In keeping with UL CSA Safety
99. el type For maximum noise immunity on the die cast model use a mating DB9 connector with a metal hood and a braided shield cable Ensure that the braid makes good connection with the hood The maximum recommended cable length is 50 feet 15 meters However much longer connections are possible if using a properly shielded low capacitance cable Model 350 355 Service Manual 23 Table 2 1 Serial Port Connections Label Die cast encl only Description Remote Key REMOTE KEY Receive RXD Transmit TXD 5 VDC VCC Digital Ground GND Digital Ground GND Request to Send RTS Clear to Send CTS Do Not Connect 2 6 Remote Key Connection 24 A remote key may be connected to the Model 350 355 communication port to provide remote activation of print tare or zero functions The connection for the remote key input is between pin 1 and pin 6 of the DB9 communication port connector see Figure 2 13 for die cast Figure 2 12 for stainless A two conductor shielded cable between 28 and 20 AWG is recommended The input requires a contact closure from a push button switch a dry relay contact a photo eye and a proximity sensor or other such device A closure initiates the operation specified at P800 Do not apply an external voltage to remote key terminals Only a contact closure is required to activate the remote key input The open circuit voltage across the remote key pins is 5 VDC A clos
100. er setup mode Topics covered include accessing the parameter setup mode navigating setup parameters entering parameter values exiting the parameter setup mode and downloading setup parameters Setup parameters are dedicated memory registers within the Model 350 355 indicators that collectively define how the scale operates These parameters can only be accessed by entering the setup mode as described in this chapter A setup parameter is identified by the letter P followed by a three four or five digit number and a decimal point The example below shows parameter 109 P109 the parameter used to enable a scale for use The digits to the right of the decimal point define the current numeric selection for the displayed parameter The parameter name and text selection appears in the prompting section of the display 4 1 Accessing the Setup Mode uH In order to modify a setup parameter the setup mode must first be accessed This is not necessary for just viewing a parameter value Access to the parameters is restricted by an entered security access code and or a pin jumper located on the main circuit board If the program jumper is set to NO you will not be granted access to the edit setup parameters by any means even if attempting to enter a security access code Attempting to do so will result in a Code 16 Check Jumpr error message 4 1 1 View only Access Itis possible to view the current configuration by simply keyin
101. er will be required to correct the interference at his own expense Canada Table 1 3 This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la Classe A prescrites dans le R glement sur le brouillage radio lectrique edict par le minist re des Communications du Canada European Countries Table 1 4 Model 350 355 Service Manual 15 16 Model 350 355 Service Manual 2 2 1 Mounting Indicator Installation A This chapter contains information necessary for proper installation of the Model 350 and Model 355 Please review these instructions before installing the indicator For information on installing options see chapter 3 Option Installation For NTEP and OIML details see chapter 7 Legal for Trade HIGH VOLTAGES MAY EXIST WITHIN THE ENCLOSURE TO PREVENT THE RISK OF ELECTRICAL SHOCK ALWAYS UNPLUG THE MODEL 350 355 WHEN OPENING THE ENCLOSURE INSTALLATION AND SERVICING OF THE MODEL 350 355 SHOULD BE PERFORMED ONLY BY AUTHORIZED AND QUALIFIED SERVICE PERSONNEL IMPORTANT The 350 Series indicators do not include an on off switch and therefore must be installed near a power outlet socket that is easily accessible and in
102. es to ID Time Date Format Codes 10 07 40 am 10 26 09 Includes seconds with time 10 08 10 26 09 24 hour time format 10 11 am Oct 26 2009 Print date spelled out 10 12 am Fri 01 26 01 Print day of the week 10 12 am 26 10 09 International date format 32 980503984 Tm Dt of seconds since 12 00 AM Jan 1 1970 64 10 26 09 Do NOT print time 128 10 14 am Do NOT print date 5 3 ID Number Entry and Printing It is possible to enter an ID number and have the number print out on a ticket This mode is accessed from the weigh mode by entering 21 SELECT The first six digits of the existing ID number will be displayed An alphanumeric ID of up to 50 characters can be entered At this point a new ID number can be entered or the existing number may be cleared In order for the ID number to be printed the following criteria must be met P210 or P230 must be set to ID If the desired parameter s is set to another value the indicator will not prompt for an ID entry P213 or P233 must be set for cust If the parameters are not set for custom the ID will not be printed P1000 or P2000 must contain parameter 21 ID Model 350 355 Service Manual 87 5 3 1 Enter an ID from the weigh mode 1 Press the PRINT key from the weigh mode The display will show the current ID number if one has been entered previously 2 Key in the desire ID number numeric and or alpha
103. etely cover the RS232 COMM portion of the factory installed label PLACE PROPER LABEL OVER P N 28 10 37701 COMI PORT LABELING lo M350 STD N i5 REMOTE 20mA Current Loop ig GND 1 REMOTE KEY y PX IN o D TX OUT WW rA y RX PASS 3 RX PASS 7 TX OUT Y ap 0 Tx PASS 4 VCC 8 TX PASS gy Txo Q VCC 5 TX ACTIV 9 PULSE c AX c PULSE IN 2 00 RX Z TX ACTIV 2 RX IN 6 GND Cable The length for the current loop is 1000 ft maximum This is for the entire loop not from device to device Example 1 transmitter and 1 receiver can have a maximum of 500 ft of 2 conductor cable between them 3 7 4 Connected Devices While 20 mA current loops can allow for more than one transmitter and or receiver the indicator and or option board do not include any address recognition or collision avoidance and or detection to promote this usage If the 20 mA loop is intended to be used in this manner proper planning for these issues is required Typical Installations Model 350 355 Service Manual Model 350 355 Passive 20 mA Output External Device Active 20 mA Input Passive 20 mA Input Active 20 mA Output Active 20 mA Output Passive 20 mA Input 51 3 8 Battery Power Supply The Battery Module gives the Model 350 355 portability providing an Model 350 355 with an LCD display and one loadcell 20 hours minimum battery life or an Model 350 355 with an LED display and one loadcell 8 hours minimum
104. f the option card is being installed in a Model 355 unplug the keypad cable from the serial I O connector J17 on the main board and plug the cable into the option connector of the option card J1 Plug the cable from J3 of the option card to J17 of the main board or If this is the first option card attach the loose end of the cable to the serial I O connector J7 on the main board Let the card gently hang over to the outside of the enclosure until mounting J7 is a 10 pin polarized connector This step is not necessary if this is the second card installed Position the nylon stand off attached to the bracket into the hole on the main board while routing the threads of the other hex stand offs thru the holes on the bracket while pressing down over the nylon stand off until it snaps into place Line up the three other hex stand offs into the bracket thru holes first before securing the nylon stand off into the main board thru hole Secure the bracket into position with the hex nuts supplied with the kit Do not over tighten Place one set four pieces of the nylon sleeve type stand offs onto the four studs of the option bracket Place the Analog Output Module component side up onto the nylon sleeve stand offs Install four hex nuts and secure gently Select the four studs closest to the J7 connector of the main board to add the four sleeve stand offs Be sure the cable is already attached to J7 on the main board before ins
105. fault units 1 9 1 LED The LED display is a six digit 7 segment bright green LED screen with 12 annunciators to show weight and status information The SP1 SP2 and SP3 annunciators are red green and yellow Also there is an annunciator for a third unit under kg Place the third unit label above the third annunciator the third unit is available on both the LED and LCD displays Ib S S p rS 7 SP1 S 7 X 7 EN 7 lt 4 gt ve y gt X lt gt J Kg y EE ll ls a oz loz sP3 gt 0 lt MOTION GROSS NET QTY Figure 1 3 Model 350 355 LED 1 9 2 LCD The LCD display is a six digit 7 segment black LCD screen with 12 annunciators and a bargraph to show the operational status SP1 k X DS xX KY lt A 97 SP2 Y VO YO P Gi O VO Z SP3 f i gt 0 MOTION GROSS NET QTY Figure 1 4 Model 350 LCD Model 350 355 Service Manual 13 1 9 3 Annunciators Annunciators provide mode and status information When illuminated they indicate the following conditions Annunciator Description Setpoint 1 activated relay 1 closed Setpoint 2 activated relay 2 closed Setpoint 3 activated relay 3 closed Displayed weight is at center of zero 4 display graduation Scale is in motion Motion inhibited transmits and motion inhibited setpoint activation will be delayed until motion ceases Displayed value represents the current gross weight Displayed value represents the current net weigh
106. former IEC_ enne 56 Specifications ned e e da 56 Fiber Optic Interface esa eet ee fett tee ai e ae maa Ree OR ee Es 57 Fiber optic Board Installation nnne 57 Plastic Fiber optic Cable Installation and Termination 58 HCS Hard Clad Silica Fiber optic Cable Installation i 59 Chapter 4 Setup Mode and Parameters eene 61 Accessing the Setup Mode sisane perrie r R ii 61 Miew only ACCESS 12r ete E ere o Eb OH ER Lene 61 Full Editi ACCESS Sri tte ce em tot ERE R Ee in 62 Selecting a Parameter ninio ie E E A T A 63 Advance to the next Parameter eene nemen 63 Access the Previous Parameter ener 63 Access a Specific Parameter nennen 63 Changing a Parameter Value eene nennen nennen nnns 64 Selection Parameters iii 64 Key in MIC ERE 65 Exiting the Setup Mode ii 66 Factory Default coii ii 67 Return to factory default 350 sssssssssssssssseeene emm enne 67 Return to factory default 355 i 67 L istof Parameters otn rir aret c eie a ariana 68 Parameter Map Details eere 71 Chapter 5 Configuration un coiere RO UE de ede ete epe e e i E eet 81 Preset Transmit Selections eene titer tette nnn entere ihnen ink 81 Cu
107. g in the desired parameter number then SELECT ENTER This is only for viewing current parameter values no modifications will be allowed Model 350 1 From the Weigh Mode press ZERO SELECT simultaneously O DISPLAY READS gt Setup Enter Code 2 Press TARE O DISPLAY READS gt No Chgs P110 F S 100 Model 350 355 Service Manual 61 Model 355 1 From the Weigh Mode key in 100 SELECT O DISPLAY READS gt Setup Enter Code 2 Press ENTER O DISPLAY READS gt No Chgs P110 F S 100 4 1 2 Full Edit Access In order to change the current selection for any of the setup parameters you must access the setup mode by keying in the desired parameter number and entering a security access code These keystrokes must be made within five seconds or the indicator will return to the Weigh Mode Model 350 1 From the Weigh Mode press ZERO SELECT simutaneously O DISPLAY READS gt Setup Enter Code 2 Press SELECT O DISPLAY READS gt 3 Press ZERO O DISPLAY READS u 4 Press PRINT O DISPLAY READS gt 5 Press UNITS O DISPLAY READS gt 6 Press TARE O DISPLAY READS gt Chgs Poss P110 F S 100 Model 355 1 From the Weigh Mode key in 100 SELECT O DISPLAY READS gt Setup Enter Code 2 Key in 23640 ENTER O DISPLAY READS gt Chgs Poss P110 F S 100 62 Model 350 355 Service Manual 4 2 Selecting a Parameter 4 2 1 Adv
108. ght to achieve a relative cutoff value Annunciators Indication on the display showing the status of a relay If the annunciator is illuminated the corresponding setpoint is active In order for the annunciators to activate the displayed value must be at least five graduations above zero Fill Status Annunciator Status Fast Fill SP 1 amp SP 2 Illuminated Dribble Fill or Single Speed Fill SP 1 Illuminated Fill Done or Pause SP 1 amp SP 2 Off Fill Example With a system set up to fill 55 gallon drums with motor oil the following settings might be used to achieve an accurate final fill weight of 400 Ibs Parameter Actual Cutoff Comments Setting Value Targ 1 400 Desired final weight Pre act 1 2 28 400 28 372 0 Switch to dribble feed at 372 Pre act 22 5 400 0 5 399 5 Final fill valve closes at 399 5 Model 350 355 Service Manual 111 5 16 Batch The standard batch program is used for batching up to three separate items Ingredients 1 through 3 use setpoints and pre acts 1 through 3 respectively Ingredients are batched one at a time Free falling product can be accounted for with the use of pre act values PA1 PA3 This feature must be enabled before attempting to use Setpoint Selection P5100 3 Batch 2 or 3 ingredient batching P5101 Targ1 Ingredient 1 target value Function Description Based Select from net or count quantity PA 1 Pre act 1 value final cu
109. he Mounting section beginning on page 17 for instructions on mounting the Model 350 355 using the swivel bracket O Figure 3 1 Swivel Bracket Installation die cast model Install the swivel bracket 1 1a 2 2a 3a Unpack the Swivel Bracket option Be sure that all parts shown in Figure 3 1 are accounted for Remove the two plastic Heyco plugs The plugs are located in the threaded bracket mounting holes on either side of the indicator Be careful not to scratch the finish of the indicator when removing these plugs Place the two spacers against the bracket and then insert the thumb screws The spacer and bracket holes should align with the bracket mounting holes on either side of the enclosure Model 350 355 Service Manual 3 3 Panel Mount Kit The Panel Mount Kit provides an easy way to mount the indicator into new or existing cabinetry See Figure 3 2 for detailed instructions on panel mounting the Model 350 die cast See also NTEP Panel Mount Requirements on page 144 for additional panel mounting NTEP requirements UN Figure 3 2 Model 350 Panel Mount Installation die cast model only 3 3 1 Install the Model 350 Panel Mount Kit 1 1a 2 2a 3a 4a Model 350 355 Service Manual Unpack the Panel Mount Kit Be sure that all parts shown in Figure 3 2 are accounted for Remove the two plastic Heyco plugs The plugs are located in the threaded bracket mounting holes on either side of th
110. holes first before securing the nylon stand off into the main board thru hole Secure the bracket into position with the hex nuts supplied with the kit Do not over tighten Place one set four pieces of the nylon sleeve type stand offs onto the four studs of the option bracket Place the Setpoint Control Module component side up onto the nylon sleeve stand offs Install four hex nuts and secure gently Select the four studs closest to the J7 connector of the main board to add the four sleeve stand offs Be sure the cable is already attached to J7 on the main board before installing the card Also be sure the cable is attached to the right most connector J3 as viewed from the component side of the option board The second connector J1 is for daisy chaining another option card The additional mounting hardware is supplied with the option bracket kit This hardware should be saved for future use if not being used Route the cables being connected to the option cards through the available strain relief s Make sure to connect cable conductors to the proper terminals before closing the unit Reinstall the back cover Tighten the eight screws securely to create a good seal Be sure to avoid pinching the cable between the housing halves Figure 3 8 Option Board Installation Eprom Version 43 3 5 4 Setpoint Connections Pin Connection Description Name 1 Line 1 Line voltage in for setpoint 1 Voltage out for setpoint
111. ice Model 350 To enter a Key In Parameter 1 Press PRINT A decimal point is used to represent the entry position 2 Press PRINT until the desired character appears 3 Press UNITS Another decimal point indicates the next entry position 4 Repeat steps 2 and 3 until your desired entry value is shown 5 Press TARE to enter your numerical value To setup a full scale value example 250 Ibs 1 Access the setup mode Press PRINT four times to select the first digit Press UNITS to advance to the next digit Press UNITS to advance to the next digit 2 3 4 Press PRINT six times to select the next digit 5 6 Press PRINT once to select the next digit 7 Press TARE to enter the value Model 355 To enter a Key In Parameter 1 Key in the number by using the numeric keys 2 Press SELECT to accept the entry To setup a full scale value example 250 Ibs 1 Access the setup mode 2 Key in 250 ENTER to accept the entry Model 350 355 Service Manual 65 4 4 Exiting the Setup Mode 66 uU Any parameters that were changed must be saved before that change will take effect When exiting the Setup Mode the Model 350 355 prompts whether to enter the Calibration Mode The display will then prompt to save any changes Model 350 To exit the Setup Mode and save changes 1 Press ZERO to begin exiting Setup Mode 2 Press ZERO to bypass Calibration Mode 3 Press TARE to save se
112. igital communication signal and should not be confused with a 4 to 20 mA or 0 20 mA which is an analog output signal The intended use is primarily printers and scoreboard displays This option will mount into the socket for the comm port RS 232 chip on the main board This option will exclude the use of the RS 485 option board l e only the RS 485 OR the 20 mA option can be installed into an indicator Three snap in stand offs are included with the board to secure it to the main board beneath it Model 350 355 Service Manual 49 3 7 1 Install the 20mA Current Loop Option 1 Open the indicator in order to gain access to the main board Remove the RS232 IC from its socket See table for location Remove the white wire jumper See table for location Snap the plastic spacers into the three mounting holes Gently press the option board into the socket DE TON I SES Apply the proper portion of the included sticker to the COMM port The label will either go over the silk screen on the board or on the rear cover See table for location T Reassemble the indicator Location of Components to Remove 350 Die cast 350 355 SS RS232 IC Jumper Label Location Rear Cover 3 7 2 Bi Directional Both the transmit output and the receive input of the indicator are available as 20 mA signals None of the handshake signals are supported for the 20 mA current loop operation Baud Only baud rates of 9600 baud and less
113. ion is retained Re Flash Used for firmware upgrade If ENTER is pressed at P65020 the indicator s display will blank out and appear locked up The only way to unlock this parameter is via a computer and terminal window software ie Communications Plus Hyper terminal See Upgrade Indicator Firmware on page 94 to upgrade firmware To escape the firmware upgrade 1 Connect a computer to the serial port and use a terminal program such as CommPlus Set the computer protocol to 9600 8 1 none 2 Power up the indicator and the reflash menu will show in the terminal window 3 Press the d key on the computer keyboard to quit the reflash process 4 The indicator will return to a usable state 8 4 A D Calibration Procedure The Model 350 355 Analog to Digital Converter A D is calibrated at the factory to ensure a stable linear response to the load cell signal This calibration procedure calculates critical values that are permanently stored in parameters P61110 P61121 The A D calibration should not be confused with the standard weight calibration It should never be necessary to recalibrate the A D However if the values stored at parameters P61110 P61121 appear to be reset to 0 00000 and or 1 00000 then A D recalibration is necessary Contact GSE or your local authorized GSE distributor for more information on this procedure 156 Model 350 355 Service Manual Avery Weigh Tronix Avery Weigh T
114. is illuminated the corresponding setpoint is active Model 350 355 Service Manual 123 In order for the annunciators to activate the displayed value must be at least five graduations above zero Annunciator Annunciator Sata Status Color LED SP 1 Illuminated Red SP 2 Illuminated Green SP 3 Illuminated Yellow 5 20 3 Target Deviation Checkweighing Example 5 21 Batch 2 With a system set up to check weigh ice cream containers the following settings might be used to guarantee container weights from 1 98 to 2 04 Ibs Parameter acceptable Values Comments Setting Target 10 00 Desired container weight Lo Value 0 5 10 00 0 5 9 50 Low acceptable range 9 50 to 10 00 Hi Value 0 25 10 00 0 25 10 25 High acceptable range 10 00 to 10 25 The batch 2 program is used for batching up to three separate items without using pre act values Ingredients 1 through 3 use setpoints 1 through 3 respectively Ingredients are batched one at a time The target values can only be set from the weigh mode by pressing the SELECT key After a batch is run all target values will be set back to 0 The target values will be set to 0 after accessing the setup mode or if power is cycled If a new batch is started when all target values are set to 0 an error message No Targ will be displayed This feature must be enabled before attempting to use 5 21 1 Enter a Target 124 Model 350 1 Pre
115. it of the new target is displayed Press UNITS to accept the number displayed Continue this step until the desired number is entered Example Target of 20 2a Press PRINT four times O DISPLAY READS 2 2b Press TARE to accept the 2 that is displayed O DISPLAY READS 2 2c Press PRINT once O DISPLAY READS 20 2d Press TARE to accept the target weight as 20 O DISPLAY READS 20 3 Press TARE Once the tare key is pressed it is possible that PA1 will be displayed if the pre act parameter is enabled Model 350 355 Service Manual 115 3a If a value is desired enter it in the same manner as the target weight was entered above When the displayed value is correct press TARE 3b If no value is to be entered or PA1 is not displayed press TARE to go to the next screen 4 Repeat steps 2 and 3 until all targets and pre acts are entered 5 Press TARE to return to the weigh mode Model 355 1 Press SELECT until tArG1 is displayed 2 Key in the desired target value with the numeric keys and press ENTER 3 The PA1 value will be displayed Key the in value with the numeric keys and press ENTER 4 Repeat steps 2 and 3 until all targets and pre acts are entered 5 Press SELECT to select the desired weigh mode parameter 5 17 2 Pre acts Pre act 1 is used for dual speed dispensing Pre act 1 specifies when the system should switch from fast discharge to slow discharge When using a single spee
116. ivalent to pressing the Target key P5002 Stop Key Toggle Enable or disable the use of the stop key from the 355 keypad Pressing the stop key in the gross net tare APW or quantity modes with setpoint s enabled will cause all setpoints to deactivate and pause Sending a lt CTRL F gt using a serial device such as a computer is equivalent to pressing the Stop key Model 350 355 Service Manual P5003 Start Key Toggle Enable or disable the use of the start key from the 355 keypad Pressing the Start key in the gross net tare APW or quantity modes with setpoints enabled causes a paused setpoint operation to be resumed Sending a lt CTRL E gt using a serial device such as a computer is equivalent to pressing the Start key P5004 355 Restart Checkweighing Mode Toggle Determines the method in which the checkweighing mode will be restarted Auto will restart after return to zero or Manual will restart by pressing the START key If Stop P5002 is disabled this function is disabled and parameter 5004 will not appear P5010 Setpoint Annunciators Toggle Enables or disables the setpoint annunciators to the left of the main 7 segment display Disabling the setpoint annunciators may be desired when the bargraph is enabled while using an LCD display P5011 Setpoint Bargraph Toggle Enables or disables the bargraph display on the LCD version of the Model 350 355 display This setup parameter only appears if an LCD display i
117. ized connector Be sure the cable is not twisted when installed If this is a second option card route the cable to the open connector of the first option card 6 Reinstall the back cover Tighten the four screws to a minimum of 8 in Ib torque Model 350 355 Service Manual 6a Be sure to avoid pinching the cable between the housing halves Affix all appropriate labels to the back of the indicator Figure 3 6 Option Board Installation Die Cast Model 350 3 5 2 Install the Setpoint Module without mounting bracket Stainless If only one option is being installed in a fiber optic hub indicator use the following instructions If two options are being installed along with a fiber optic option an option mounting plate is required Refer to page 57 for installation instructions 1 Open the indicator Remove the eight screws from the back of the unit 2 Locate the option mounting holes by lining up the option card with the four holes to the left of the power supply section on the main board 2a This is where the first option card should be installed 3 Install 4 nylon standoffs supplied with the option kit into the thru holes on the main board See Figure 3 7 4 Place the option card on the 4 nylon standoffs installed in step 3 5 Fasten the option card to the standoffs with the 4 nylon nuts supplied with the option kit 6 Tighten the stand offs gently with a 8 mm hex nut driver 6a If this is the only option card
118. keeping with UL CSA Safety Standards INFORMATION IMPORTANT Prendre note que les contr leurs de serie 350 ne sont pas munis d interrupteurs Marche Arr t Par cons quent il devront tre install s pr s d une source d alimentation secteur accessible pour demeurer sous les exigences des normes de s curit UL CSA The standard Model 350 zinc die cast enclosure is a NEMA1 IP 20 equivalent The Model 350 355 stainless steel enclosure meets NEMA 4X type specifications When choosing a mounting location for the Model 350 die cast ensure that the unit is not installed in a washdown area or conductive dust environment 2 1 1 Desktop Mounting The stainless steel enclosure is designed for desktop mounting The 350 die cast may be installed as a desktop unit with the optional mounting bracket 24350B 301C0 refer to Figure 2 1 for installation details When set on a flat surface the front face is angled for easy viewing All wiring enters from the rear and can be secured with the included screw mounted cable ties Model 350 355 Service Manual 17 2 1 2 Panel Mounting die cast only The optional panel mount kit allows for the zinc die cast enclosure to be installed in a user panel The panel mount kit is only available in die cast not in stainless steel Allow for 2 00 57 2mm depth behind the panel surface See Panel Mount Kit on page 31 for more details PANEL 733 745 1862 189 2mm SEE 133 4 2136 4mm CUTOUT
119. le Enable Disable Toggle NTEP Enforce P500 Tine 12 00 00 Keyed In Time Date Function P501 Date 01 01 70 Keyed In Time Date Function P502 01 disbl t dAt Disable Enable Disable Toggle Time Date Function P503 01 12 hours 12 hour 12 hour 24 hour Time Date Function P504 00 Style U S A U S A or International Time Date Function P505 01 TdSEL disbl Disable Enable Disable Toggle Time Date Function P800 00 But1 None None Print Tare 5 Selections Remote Button Function P801 00 But2 None None Print Tare 5 Selections Remote Button Function P802 00 tZdef None None Port 2 3 Selections Remote Button Function P1000 Cust tran1 Custom Transmit 1 P2000 Cust tran2 Custom Transmit 2 P5000 00 TArGt Disable Enable Disable Toggle Target Key P5002 00 StoP Disable Enable Disable Toggle Stop Key P5003 00 StArt Disable Enable Disable Toggle Start Key P5004 00 Chec Auto Auto Start Toggle 355 Restart Mode P5010 00 SPAnn Enable Enable Disable Toggle Setpoint Annunciators P5011 00 SPBar Disable Enable Disable Toggle Bargraph Display P5012 00 BarPc 50 0 100 Key In Bargraph Scaling P5100 00 SetPt None
120. le for Zinc Die Cast models only 3 9 1 Specifications Ra 56 Operates on 230VAC input at 50 hz with an output of 20VAC 1 Amp max Cord length from transformer to indicator is six feet two meters and includes the standard 3 prong Model 350 355 input plug Cord length from the transformer to the IEC male plug end is another six feet two meters Transformers Available Model 350 Zinc Die Cast Transformer GSE part 20 20 35190 IEC Line Cords Available GSE part 22 30 1022 for use in Australia Argentina New Zealand and China GSE part 22 30 1023 for use in Chile and Italy The transformers can be ordered separately or with an instrument specified below Model 350 Zinc Die Cast LED Display GSE P N 200350 28010 Model 350 Zinc Die Cast LCD Display GSE P N 200235 28020 Model 350 355 Service Manual 3 10 Fiber Optic Interface It is possible to use setpoints and analog output in a hazardous area by interfacing a Model 3501S or 3551S indicator to a stainless steel Model 350 or 355 indicator A fiber optic communication kit 24350B 420B0 is necessary for connecting the hazardous area and safe area indicator The fiber optic communication kit provides all hardware necessary to link the hazardous and safe area indicators Refer to the Model 350 355 I S Service manual for hazardous indicator installation instructions 3 10 1 Fiber optic Board Installation 1 2 Model 350 355 Service
121. ll SP 1 Illuminated Relay 1 Contacts Closed Vessel Discharge SP 2 Illuminated Relay 2 Contacts Closed Fill Done or Pause SP1 amp SP 2 Off Relay 1 and Relay 2 Contacts Open 5 18 4 Pause The 350 355 can pause setpoint operations This is useful as a safety device for mid cycle operator breaks mechanical adjustments etc This feature must be enabled before attempting to use Model 350 355 Service Manual 119 When invoked Pause deactivates all setpoints The display will show Tare Abort Pressing TARE will abort the current cycle any other keypress will resume the cycle The Pause feature has four settings Pause Setting Action Result Keypad 350 355 Key Press Current cycle paused all setpoints deactivated Remote Key Remote Key Contact Closure Current cycle paused all setpoints deactivated Both 350 355 Key Press OR Current cycle paused all setpoints Remote Key Contact Closure deactivated 5 18 5 Fill and Discharge Example Parameter Actual Cutoff Value Comments Setting Targ 1 2000 Desired vessel fill target Based Net Targets are compared to net weight PA 1 5 2000 5 1995 Fill valve closes at 1995 lbs Start 1 R but Start fill with remote key closure Targ 2 45 0 45 45 Desired discharge target decreasing weight from a net zero enter as a positive value Discharge valve closes at 40 lbs decreasing weight from a net zero enter as a positive value
122. lue below 0 196 of F S to reset for next transmission P230 04 Sends transmission with the stored ID P232 Send Stability Comm 2 Toggle Enabling Send Stability will delay any transmissions until a no motion condition exists P233 Transmit Selection Comm 2 Selection Select desired print output 1 14 or custom The transmission will be initiated by the selected print operation P210 and or the Remote Key selection P800 See page 81 for details on preset formats or page 84 for details on custom transmit P250 RS 485 Multi Drop Network Toggle Enable disable the RS 485 multi drop network option Requires that an RS 485 option board be installed This option allows up to 250 RS 485 devices to be networked together in either a half duplex or full duplex wiring scheme See the RS 485 Multi Drop Network Setup and Operation section beginning on page 89 for complete details on RS 485 setup and operation P251 Address Key in Specifies the address of the controller for RS 485 multi drop communications Allowed choices are 0 disabled and 4 254 P260 Master Remote Display or Safe Area Hub Selection Select the mode of operation ChoiceNumber Selection Name Description P260 00 350 355 Sets indicator as the master device P260 01 R dsp Sets the indicator as a slave device P261 P283 will be available P260 02 Hub Sets the indicator to a safe area hub P260 03 Cntrl Sets the indicator to the
123. mote indicators are correct refer to Remote Display Connections on page 25 Follow the instructions below for configuring the master indicator 1 Turn echo off at P290 2 Set the transmit to be continuous at P210 port 1 or P230 port 2 This is the port going to the remote indicator 3 Program custom transmit in the master indicator at P1000 port 1 or P2000 port 2 See the example below for instructions on programming a custom transmit If time out is enabled P270 then the transmit should be set for continuous at P210 or P230 and have stability disabled at P212 or P232 Example The master indicator will be active and the Net weight will be displayed on the remote indicator The net and Ib annunciators will illuminate The codes for the annunciators will be entered as they are control codes see Entering ASCII Control Codes on page 84 The address of the remote indicator at P272 is 4 If P272 is set to None do not enter anything for the address field Access custom transmit 1 P1000 or custom transmit 2 P2000 Format String If P274 and P275 1 255 Start Character Address Annunciator 1 gt Annunciator 2 Parameter End Character or If P274 or P275 2 0 Address Annunciator 1 gt Annunciator 2 Parameter Line Feed Model 350 355 Service Manual Custom Transmit 1 002 ENTER or TARE lt Start Character gt 2 004 ENTER or TARE lt Addres
124. n entering a control code in a custom transmit table use three digits preceded by a decimal point Example Start of Text lt STX gt 2 Key in 002 Model 350 355 Service Manual 83 5 2 1 Writing A Custom Transmit ASCII Text File Any text editor may be used to construct a custom transmit Notepad Wordpad Communication Plus etc but you must save the custom transmit as a text txt file Instructions can also be sent keystroke by keystroke from a communications program To do so ignore the Model 350 355 display and enter the characters in the correct order Figure 5 1 shows a custom transmit written in Wordpad 5 2 2 Access Setup and Clearing Existing Custom Transmit Every custom transmit file must start with 1999 s s z p uY e c e This accesses the Setup Mode at the end of the existing transmit and then clears the transmit so that a new one may be entered Document WordPad Ele Edit View Insert Format Help Diet eg al ele Sj Jm 3 eizue E a El 1000 s s z p u e Univers Joe s Fertilizer Plant e 013 e 010 e 4150 Montcalm Rd e Jamestown NY e e0 e e0 e 013 e 010 e Ke2he e0 e 013 e 010 e 010 e Ke1 e e0 e 013 e 010 e For Help press F1 NUM Figure 5 1 Custom Transmit File 5 2 3 Entering ASCII Text ASCII text is defined as printable characters including alpha numeric as well as punctuation and symbols See Table 5 1 for a complete listing of ASCII charac
125. n level appear atthe top of alternating pages of the manual to remind you of where you are in the manual The manual name and page numbers appear at the bottom of the pages 1 1 1 Text Conventions Keystrokes are shown in brackets e g PRINT and reflect the case of the key being described This applies to the keys on the front keypad Displayed messages appear in italic type and reflect the case of the displayed message 1 1 2 Special Messages Examples of special messages you will see in this manual are defined below The signal words have specific meanings to alert you to additional information or the relative level of hazard DANGER THIS IS A DANGER SYMBOL DANGER MEANS THAT FAILURE TO FOLLOW SPECIFIC PRACTICES OR PROCEDURES WILL CAUSE INJURY OR DEATH ELECTRICAL WARNING THIS IS AN ELECTRICAL WARNING SYMBOL ELECTRICAL WARNINGS MEAN THAT FAILURE TO FOLLOW SPECIFIC PRACTICES OR PROCEDURES MAY RESULT IN ELECTROCUTION ARC BURNS EXPLOSIONS OR OTHER HAZARDS THAT MAY CAUSE INJURY OR DEATH WARNING This is a Warning symbol Warnings mean that failure to follow specific practices and procedures may have major consequences such as injury or death CAUTION This is a Caution symbol Cautions give information about procedures that if not observed could result in damage to equipment or corruption to and loss of data OP D gt gt Model 350 355 Service Manual 5 lt P NOTE This is a Note
126. nd press ENTER 3 The PctLo value will be displayed Key the in target percentage value with the numeric keys and press ENTER 4 The PctHi value will be displayed Key the in target percentage value with the numeric keys and press ENTER 5 Press SELECT to select the desired weigh mode parameter 5 14 2 Start Checkweighing The checkweigh applications do not have a start function Simply put the item to be weighed onto the scale platter An annunciator will illuminate to indicate whether the item is within tolerance Annunciators Indication on the display showing the status of a relay If the annunciator is illuminated the corresponding setpoint is active In order for the annunciators to activate the displayed value must be at least five graduations above zero Annunciator Annunciator Status Color LED OVER SP 1 Illuminated Red Status GOOD SP 2 Illuminated Green UNDER SP 3 Illuminated Yellow 5 15 Fill The fill program is used for single speed or dual speed filling operations The dual speed fill operation allows for both a fast and a slow fill mode During a fast fill setpoints 1 SP1 and 2 SP2 are activated During a slow fill or single speed fill only setpoint 1 SP1 is activated This feature must be enabled before attempting to use Over filling can be prevented with the use of pre act values PA1 and PA2 Pre act 1 PA1 is used for switching the fast fill to a slow fill Pre act 2 PA
127. ne ounce gram Iboz Additional Unit 72 4 Selections P161 00 TarSa Disable Enable Disable Tare Save 72 Toggle P166 01 AutoT Enable Enable Disable Auto Tare Ta Toggle P167 01 Tarln Disable 350 Enable Disable Keyboard Tare 73 Enable 355 Toggle P169 00 AtClr Disable Enable Disable Auto Tare Clear 4 Toggle P171 00 AnAlg Disable Enable Disable Analog Output Option T3 Toggle P178 00 Apsel APS None APS APSE3 Both Average Piece Weight View T3 4 selections P179 00 Count Disable Enable Disable Counting Functions 13 Toggle P200 00 Baud1 9600 150 115K Comm 1 Baud Rate 73 13 Selections Model 350 355 Service Manual Parameter Number P201 01 Display Name Default Value Valid Range Choices 7 8 Bits 2 Selections Parameter Description Comm 1 Data Bits P202 00 None Odd 3 Selections Comm 1 Parity P203 00 1 2 Bits 2 Selections Comm 1 Stop Bits P204 02 None Both 4 Selections Comm 1 Handshake P210 01 Off ID 5 Selections Comm 1 Transmit P212 01 Off Delay Toggle Comm 1 Motion P213 01 1 16 Custom Selection Print Transmission P220 00 150 115K 13 Selections Comm 2 Baud Rate P221 01 7 8 Bits 2 Selections Comm 2 Data Bits P222 00 None Odd 3 Selections Comm 2 Parity P223 00 1 2 Bits 2 Selections Comm 2 Stop Bits P224 02 None
128. ng calibration to back up one step in the procedure Model 350 355 Service Manual 135 6 3 1 Establishing Zero The Model 350 355 provides five methods for obtaining a zero no load calibration reference First Zero Last Zero False Zero Only Zero and Cal Reset To select a calibration method 350 1 2 3 4 Press ZERO SELECT simultaneously to display the calibration prompt Press ZERO PRINT UNITS TARE to access the Calibration Mode Press SELECT to scroll through the five selections Press TARE to establish zero To select a calibration method 355 1 2 3 4 6 3 2 First Zero 136 Press 1 0 0 SELECT to display the calibration prompt Press 5 4 3 2 1 ENTER to access the Calibration Mode Press SELECT to scroll through the five selections Press ENTER to establish zero The most common zeroing procedure First Zero is used to establish a new zero no load calibration reference before proceeding to span the Model 350 355 Use this method for first time calibration and complete recalibration First Zero Calibration Method 350 1 2 3 4 5 6 7 8 9 10 11 12 13 From the Weigh Mode press ZERO SELECT simultaneously Press ZERO PRINT UNITS TARE Remove any load on the scale Press TARE to establish zero Pause for motion delay Place a test weight on scale Enter the value of the test weight with the PRINT and UNITS key
129. nit Seald Access to the Setup or Calibration Mode was denied Check the internal YES NO program jumper Unit3 Ntep Code 49 Parameter 440 NTEP is enabled and parameter 152 third unit is set to an additional unit The third unit is not NTEP approved Entry Error An invalid entry was made Need Entry A numeric value was required before pressing TARE Out of Range Can t Set The entered value exceeded the allowable range Attempt to change a parameter that does not allow an entry ResGT 260E3 Code 35 The number of divisions exceeds 260000 see P110 P111 ResGT 25E3 The number of divisions exceeds 25000 see P110 P111 ResLT 100 The number of divisions is less than 100 see P110 P111 ResLT 1 Number of divisions is less than one see P110 P111 SPtxx Error Prtcl Error A conflict occurred with a setpoint value entry example target entry is less than preact The digits xx represent the last two digits of the setpoint parameter in error example SPt 5 Error indicates a conflict P5105 preact 1 Existing protocol is invalid The following are not allowed P201 7 data bits P202 no parity P203 1 stop bit P201 8 data bits P202 even parity P203 2 stop bits P201 8 data bits P202 odd parity P 203 2 stop bits The current CPU speed at P60090 is low for the chosen baud rate 8 1 3 Hardware Errors A FRA
130. nnel only Never connect or disconnect option board cables while the indicator is powered Doing so may result in circuit board damage Install the Setpoint Control Module 350 die cast 1 Open the indicator 2 Remove the four screws from the back of the unit It may help to remove the swivel bracket if installed 3 Place the back of the indicator open side down on a firm surface Using a hammer and screwdriver remove the appropriate knock out 3a It helps to place the screwdriver tip on the knockout pad rather than in the groove The knock outs do not require much force to remove If only installing one option the left knock out as viewed from the rear should be removed A small file may be used to remove any burrs 4 Flip the back cover over and place the Setpoint Control Module component side down over the four mounting holes Install four 10mm screws to a minimum of 8 in lb of torque 4a Be sure the cable is already attached before installing the card Also be sure the cable is attached to the left most connector as viewed from the component side of the option board The second connector is for daisy chaining another option card The screws used to mount the option card are self tapping and will require added torque when first installed 5 Attach the loose end of the cable to the serial I O connector J7 on the main board or the open connector of a previously installed option card 5a J7 is a 10 pin polar
131. nt incorrect de la batterie remplacer uniquement avec une batterie du m me type ou d un type quivalent recommand par le constructeur Mettre au rebut les batteries usag es conform ment aux instructions du fabricant 1 2 4 Wet Conditions Under wet conditions the plug must be connected to the final branch circuit via an appropriate socket receptacle designed for washdown use Installations within the USA should use a cover that meets NEMA 3R specifications as required by the National Electrical Code under section 410 57 This allows the unit to be plugged in with a rain tight cover fitted over the plug Installations within Europe must use a socket which provides a minimum of IP56 protection to the plug cable assembly Care must be taken to make sure that the degree of protection provided by the socket is suitable for the environment 1 3 Routine Maintenance and calibration Application and usage will determine the frequency of calibration required for safe operation O IMPORTANT This equipment must be routinely checked for proper operation Always turn off the machine and isolate from the power supply before starting any routine maintenance to avoid the possibility of electric shock Make sure that it is placed securely on a flat and level surface Model 350 355 Service Manual 7 1 4 Cleaning the Machine 1 5 Training Table 1 1 Cleaning DOs and DON Ts Wipe down the outside of standard products Attem
132. nts are configured in the setpoint setup Targ 1 2 and 3 automatically become available modes for the SELECT key An entry followed by TARE or ENTER changes the currently viewed target If the reset for a setpoint is set to value then pressing TARE or ENTER alone will allow access to the subset of the target Rtrg 1 2 and 3 are the respective subsets for Targ 1 2 and 3 Model 350 355 Service Manual 127 5 22 3 Example Setup a continuous cycle static weighing system that fills a weigh hopper from a storage bin The weigh hopper should stop the fill at a predetermined target dump the product into a bag and then restart the fill A warning light should come on to give an operator advance notice to change the bag The following setup might be used to achieve 1000 Ib dumps Parameter Setting Description P5121 1 Base 1 Net Weigh hopper dump valve based on net weight P5122 0 Act 1 HI Hopper dump valve opens when net weight rises above target 1 P5123 Targ 1 1000 Target 1 value 1000 kg P5124 1 Stbl 1 Inhib P5125 2 Rset 1 Auto Hopper dump valve delayed until scale is stable Dump valve auto closes when net is within 5 grads of zero and stable P5127 1 Rstb1 Inhib Dump valve closure delayed until scale is stable P5131 1 Base2 Net P5132 1 Act 2 Under Weigh hopper fill valve based on net weight Fill valve opens when net weight falls below target 2 P5133
133. numeric and press TARE Model 350 or ENTER Model 355 This will print a ticket or 2a Ifthe ID number shown is acceptable simply press TARE Model 350 or ENTER Model 355 This will print a ticket 5 4 Remote Serial Operation Perform different keypresses via communication port Table 5 3 Remote Serial Operation Command Hexidecimal Description Print Initiates print function Print restrictions P200 P233 will be adhered to Select Performs a parameter or mode select operation Tare Initiates tare function Tare restrictions P161 P169 will be adhered to Units Toggles between displayed units of measure Zero Initiates zero function Zero restrictions P118 will be adhered to Enter Enters preceding data into selected register Also toggles through selections in Setup Mode Command Hexidecimal Description Piece Wt Entry B9h Allows a piece weight to be entered serially For example 0 10 9 will enter a piece weight of 0 10 Print W lt CR gt 57h 0Dh Initiates print function Print restrictions P200 P212 or will be adhered to Requires both hex values 57h P lt CR gt followed by ODh Zero 5Ah ODh Initiates zero function Zero restrictions 118 will be adhered to Requires both hex values 5Ah followed by ODh lt CR gt is a carriage return decimal value 013 hex value ODh 88 Model 350 355 Service Manual 5 4 1 Display Capture Utility
134. o activate the displayed value must be at least five graduations above zero Batch Status Annunciator Status Setpoint Status Requires Setpoint Option Board SP 1 Illuminated Relay 1 Contacts Closed Relay 2 and 3 Contacts Open SP 2 Illuminated Relay 2 Contacts Closed Relay 1 and3 Contacts Open SP 3 Illuminated Batch Example Relay 3 Contacts Closed Relay 1 and 2 Contacts Open With a system set up a system to make a 50 000 Ib batch with water 30 000 Ibs corn syrup 15 000 Ibs and caramel color 5 000 Ibs ingredient 1 should start with TARE and subsequent ingredients should auto start Parameter Setting Actual Cutoff Value Comments Target 1 30 000 Desired water weight Pre Act 1 100 30 000 100 29 900 Water valve closes at 29 900 Ibs Free fall will bring weight to 30 000 Start 1 Tare Start water with TARE Target 2 15 000 Desired corn syrup weight Pre Act 2 236 15 000 236 14 764 Corn syrup valve closes at 14 764 Ibs Free fall will bring weight to 15 000 Start 2 Auto Calculated cutoff value for cor syrup is added to current displayed weight Start corn syrup when water is done and motion has stopped Target 3 5 000 Desired caramel coloring weight Pre Act 3 142 5 000 142 4 858 Carmel coloring valve closes at 4 858 Free fall will bring weight to 5 000 Start 3 Auto Calculat
135. off supplied with the option bracket kit into the thru hole on the option bracket See Figure 3 8 The thru hole is located on the option bracket towards the center of the board on the irregular flanged section a smaller hole than the others on the bracket that would be positioned towards the power supply regulator U11 with a flanged heat sink on it Install the three hex stand offs onto the studs on the main board Tighten the stand offs gently with a 6 mm hex nut driver If the option card is being installed in a Model 355 unplug the keypad cable from the serial I O connector J17 on the main board and plug the cable into the option connector of the option card J1 Plug the cable from J3 of the option card to J17 of the main board or Model 350 355 Service Manual 5b 5c Ta 10 11 Model 350 355 Service Manual If this is the first option card attach the loose end of the cable to the serial I O connector J7 on the main board Let the card gently hang over to the outside of the enclosure until mounting J7 is a 10 pin polarized connector This step is not necessary if this is the second card installed Position the nylon stand off attached to the bracket into the hole on the main board while routing the threads of the other hex stand offs through the holes on the bracket while pressing down over the nylon stand off until it snaps into place Line up the three other hex stand offs into the bracket thru
136. one or more option kits This chapter provides installation procedures for these options 3 1 Model 350 355 Options The following options are available for the Model 350 Model 350 355 Service Manual Swivel Bracket Kit die cast model GSE P N 24350B 301C0 O Allows the indicator to be securely mounted to any surface Panel Mount Kit die cast model GSE P N 24350B 300C0 O Allows the indicator to be easily mounted into existing cabinetry 2 Option Mounting Bracket GSE P N 24350B 302C0 O Provides for mounting up to two option boards required for the stainless steel enclosure only Analog Output Module GSE P N 24350B 203B0 O Provides an electrically isolated 16 bit analog signal for connectivity to external devices Setpoint Control Module GSE P N 24350B 100C1 and GSE P N 24350B 100C2 O Provides three discrete outputs for direct control of operation equipment Battery Power Supply die cast GSE P N 24350B 120B1 and stainless steel GSE P N 24350B 121B1 O Provides portability for the Model 350 355 20 mA Current Loop GSE P N 24660B 404A0 O Provides a digital 20 mA current loop RS 485 Network stainless steel model GSE P N 24660B 401A0 O Allows the indicator to communicate with hazardous area indicator via fiber optic cable 29 3 2 3 2 1 30 Swivel Bracket The Model 350 die cast has an optional stainless steel swivel bracket for secure mounting to desks tabletops or walls See t
137. ormation starting at 5th of 10 characters As part of an echo used to indicate character information starting at 6th of 10 characters As part of an echo used to indicate character information starting at 7th of 10 characters As part of an echo used to indicate character information starting at 8th of 10 characters Backspace OR as part of an echo used to indicate character information starting at 9th of 10 characters As part of an echo used to indicate character information starting at 10th of 10 characters As part of an echo used to indicate numeric display information CR or CTL Clear Key clears user input or can initiate an action M As part of an echo used to indicate annunciator amp display toggle scheme information none Xon Xoff 5 none Ctrl A M Target Key Ctrl E M Start Key Ctrl F M Stop Key Ctrl U M Echo display all 3 lines out comm 1 Ctrl V M Echo display all 3 lines out comm 2 9 M Enters the number before the 9 as the piece weight P M Pause Q M Send out transmits one and two R M Remote Key 2 E0 224 M Backward Select E3 227 oC M Clear Key clears user input or can initiate an action E5 229 e M Enter Key Model 350 355 Service Manual 103 Decimal Percent Master equivalent Remote Action ID Key Print amp Units on 350 Turn off 350 Print Key Arrow Up Key Remote Key 1
138. our mode the right most decimal point on the display will become the PM indicator Note The time must be entered as military time If the mode is set for 12 hour the time will be converted to a 12 hour clock P504 Style toggle Determines the DATE format style U S A or Int l If set for U S A the date will resemble 01 26 01 If set for international the date will resemble 26 01 01 P505 Time Date Select toggle Enables or disables the editing of time and date the weigh mode Model 350 355 Service Manual 77 78 P800 Remote Key 1 Operation Selection Select function for Remote Key closure Choose from None Print Tare Zero or Print Tare If a setpoint is configured to use the remote key as an activation method then the P800 setting is over ridden The Remote Key Configuration section on page 94 details the remote key operation See Remote Key Connection on page 34 for remote key electrical connections P801 Remote Key 2 Operation Selection Select function for Remote Key closure Choose from None Print Tare Zero or Print Tare If a setpoint is configured to use the remote key as an activation method then the P801 setting is over ridden The Remote Key Operation section on page 94 details the remote key operation See Remote Key Connection on page 34 for remote key electrical connections P802 Tare and Zero Execution Selection When a Zero or Tare event happens the scale will transmit Tare Executed or Zero Execu
139. out mounting bracket 33 Install the Analog Output Model with Option Mounting Bracket 35 Analog Connections ua ai 36 Analog Board Diagnostic and Test Procedures 37 Setpoint Card Connections i 40 Install the Setpoint Control Module 350 die Cast i 40 Install the Setpoint Module without mounting bracket Stainless 41 Install the Setpoint Model with mounting bracket Stainless a 42 Setpoint Connections emen nnns eaa nennen 44 Setpoint Board Diagnostic and Test Procedures sssseeee 44 SS aa 45 Install the RS 485 Network Option 350 die cast i 46 Install the RS 485 Network Options 350 Stainless and 355 47 Network Connections ii 47 20 mA Current Loop Option nennen ner er err nn nnne n nennen 49 Install the 20mA Current Loop Option enne 50 Bi Directionali iier aee e a eet eto RE ha cepe ees 50 Connections et Lt ated cedere ce nemen de dv e adea ves eat 51 Connected Devices 51 Battery Power Supply iii dali 52 MOUNT ep IE 52 CONNEGHON ii A a Ia ati 53 ON OEE SWItCh ai nei eni e Ref ete dre 54 Battery Charging cieli 54 Low Battery Indication ii 55 Dead Battery Shutdown ssssssseeeeeeee enne nenne nennen nennen 55 International Trans
140. peed P60090 the size and number of transmits P1000 P2000 P210 and P230 and COM ports speed if echo P290 is enabled or continuous transmits are enabled P118 Zero Range Selection Specifies how many divisions can be zeroed in terms of a percentage of full scale P110 The sum of weight values zeroed through the ZERO key and auto zero tracking cannot exceed this range A zero range of 5 is commonly used with large tank scales to avoid accidental zeroing of a full or partially full tank P119 Multi Point Linearization Toggle Enable the five point linearization feature used during load cell calibration P150 Units Toggle Set default units to Ib or kg The indicator must use the default units during calibration procedures The default units are the displayed units upon indicator power up P151 Units Button Toggle When enabled this parameter will allow the UNITS key to toggle the units between Ib and kg 10009 When disabled the indicator will show only the calibration units as determined by P150 P152 Third Unit Selection This parameter will allow the choice of three additional units ounces grams or Ib oz that may be accessed with the UNITS key Only one unit will be available at a time The third unit can only be selected if P151 is enabled The additional unit will be identified by an annunciator on the display This unit selection is not legal for trade P161 Tare Save Toggle Enabling T
141. point and analog output parameters are only set in the control indicator refer to Setpoint Setup on page 105 or Analog Output Setup on page 131 The hub indicator will echo the control indicator Make sure the controller and hub are connected with the fiber optic kit and fiber optic cable Setup the hub indicator first and either cycle power or enter then exit the setup mode This will synchronize P176 P177 P61200 P61205 Simple Setup Hub Indicator 1 Set P260 for Hub 2 Exit the setup mode Simple Setup Control Indicator 1 Set P260 for Cntrl 2 Exit the setup mode Model 350 355 Service Manual 101 Table 5 8 Default Control and Hub Parameters Parameter Control Hub Ignored hub Baud Rate 57600 control hub Data bits 8 data bits control hub Parity no parity control hub Stop bit on stop bit control hub Flow control Xon Xoff control hub Receive from control or master port 2 hub Time out enabled hub Echo style display hub Address none hub Transmit non displayed data port 1 hub Start character 2 hub End character 3 hub Pass through to master enabled hub Remote start key enabled hub Remote stop key enabled hub Remote zero key enabled hub Remote units key enabled hub Remote select key enabled hub Remote ID key enabled hub Remote print key enabled hub Remote tare key en
142. pt to clean the inside of the machine with a clean cloth moistened with water and Use harsh abrasives solvents scouring cleaners or a small amount of mild detergent alkaline cleaning solutions Spray the cloth when using a proprietary Spray any liquid directly on to the display windows cleaning fluid Do not attempt to operate or complete any procedure on a machine unless you have received the appropriate training or read the instruction books To avoid the risk of RSI Repetitive Strain Injury place the machine on a surface which is ergonomically satisfactory to the user Take frequent breaks during prolonged usage 1 6 Sharp Objects Do not use sharp objects such as screwdrivers or long fingernails to operate the keys 1 7 AC and DC Power 1 7 1 Battery Operated The optional battery module gives the Model 350 355 portability providing a Model 350 with a LCD display and one loadcell 20 hours minimum battery life or a Model 350 355 with a LED display and one loadcell 8 hours minimum battery life ON OFF Switch The on off switch for the Model 350 die cast is a rocker type switch that is located on the rear of the enclosure The on off switch for the Model 350 355 stainless is a toggle type washdown type switch replaces one ofthe available strain reliefs on the bottom or rear ofthe enclosure The Model 350 355 will immediately switch to battery operation when AC power is interrupted if the switch is in the O
143. rases the right most digit during data entry Backspace erases the right most digit during sample entry Backspace erases the right most digit during data entry PRINT SELECT A ON Extended gross Extended gross No function UNITS TARE gt Turn off indicator by holding key for approximately 1 second Turn off indicator by holding key for approximately 1 second Turn off indicator by holding key for approximately 1 second PRINT UNITS A Reverse character scroll during data entry Reverse character scroll during sample entry 1 8 2 Entering a Tare Value Model 350 Reverse character scroll during data entry If a tare value is known it is possible to enter that value into the tare register Follow the steps below P167 must be enabled to use this feature 1 From the gross or net mode press the SELECT key until tare is displayed 2 3 4 5 Use the PRINT key to scroll in the first number Press the UNITS key to move to the next digit 1 8 3 Entering a Tare Value Model 355 97 10 Repeat steps 2 and 3 until the desired number is showing on the display Press the TARE key to accept the entered tare value If a tare value is known it is possible to enter that value into the tare register Follow the step below P167 must be enabled to use this feature 1 Key in the known tare value and press ENTER The display will access the net
144. receive lines be wired independently of one another The RX B and RX A receive lines must be wired in parallel to the next device s RX B and RX A receive lines and the TX B and TX A transmit lines must be wired in parallel to the next device s TX B and TX A transmit lines In order to connect network lines in parallel from device to device it is necessary to position two wires into the same lever socket This requires that the wire used to build the network be 24 AWG or smaller to allow both wires to fit into the same lever socket To Master TX A TX B RX A RX B Slave R receive T terminator Ss N o B R receive oo Oo Oo T terminator oo o o 2 n o B TX A TX B RX A RX B To Next Slave Both Half Duplex and Full Duplex The network boards on both end points should install jumper 3 on the RS 485 option board to engage the 120 Q termination resistor R8 The boards between the two end points should remove jumper 3 on the RS 485 option board The isolated ground ISO GND should be connected in parallel from unit to unit A shielded twisted two pair cable is recommended throughout the network 3 7 20 mA Current Loop Option The 20mA option will convert the communication port of the indicator from RS 232 to 20 MA current loop This is a d
145. ress ZERO SELECT Press ZERO PRINT UNITS TARE Remove any load on the scale Press TARE to establish zero Place a test weight on scale Press ZERO Remove any load on the scale Press TARE to establish zero Pause for motion delay Place a test weight on scale Enter the test weight value with the PRINT and UNITS keys Press TARE to establish span 139 13 14 15 16 17 Pause for motion delay Press TARE to accept calibration Press TARE to save calibration Press TARE to exit calibration Remove the calibration weight Reset Calibration Gain Factors 355 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Press 1 0 0 SELECT Press 5 4 3 2 1 ENTER Remove any load on the scale Press ENTER to establish zero Place a test weight on scale Press ZERO Remove any load on the scale Press ENTER to establish zero Pause for motion delay Place a test weight on scale Enter the test weight value with the numeric keys Press ENTER to establish span Pause for motion delay Press ENTER to accept calibration Press ENTER to save calibration Press ENTER to exit calibration Remove the calibration weight 6 3 6 Multi Point Linearization 140 If the load cell signal input to the indicator has good repeatability and stability then using multi point linearization during calibration may significantly improve the ultima
146. ronix USA 1000 Armstrong Dr Fairmont MN 56031 USA Tel 507 238 4461 Fax 507 238 4195 Email usinfo awtxglobal com www wtxweb com Avery Weigh Tronix UK Foundry Lane Smethwick West Midlands England B66 2LP Tel 44 0 8453 66 77 88 Fax 44 0 121 224 8183 Email info awtxglobal com www averyweigh tronix com
147. rrect capacity selection at P110 Code03 Over Load Input signal is greater than positive full scale Use same checks as under load above Funct Disbl Attempted to perform a function disabled in the Setup Mode Code 04 The digits on the display have exceeded the six digit display capacity Code 05 Zero attempted beyond that allowed by P118 Code 08 Input signal greatly exceeds the valid range Check the load cell connection Tare Error Negative tare attempted when disabled P440 enabled Tare GT FS Tare value greater than full scale capacity Delay Indicates that a motion delay is in effect zero tare etc Delay Abort Acknowledges that a motion delayed function was aborted Print Abort Acknowledges that a motion delayed print request was aborted Add Load If displayed after performing a count sample this message indicates that a larger sample size is required Out of Range Attempted to enter a value beyond the allowable range SPt 4 Error P5104 is based on quantity and the count parameter P179 is disabled A setpoint start is initiated and the setpoint is based on quantity and no piece weight has been established start will not occur Unable to edit the time and date because P502 is disabled Model 350 355 Service Manual 151 Bad Code 8 1 2 Setup Mode Errors An incorrect access code was entered U
148. rst calibration point and press TARE or ENTER 5 For calibration points 2 5 Simply add the weight which you want to use for the next calibration point then key in the total applied weight and press TARE or ENTER You may wish to add weight until the displayed weight differs from the actual applied weight and then perform the next calibration at that point Up to five calibration points may be established using this procedure However if fewer calibration points are required simply press TARE or ENTER without entering a value at the PntX prompt After the last point is established the indicator will prompt with Cal Good Press the TARE or ENTER key to accept the calibration or press ZERO or CLR to backup and redo the last point as described below If you make a mistake at any point in the linearization process simply press the ZERO or CLR key The indicator w backup one step in the procedure to the previous linearization point After the linearization has been completed the changes must be saved by pressing TARE or ENTER at the Enter Save prompt Otherwise the previous calibration data will remain in effect Examining Calibration Results If Multi Point Linearization is enabled P119 the ten Parameters P61130 thru P61139 show the calibration weights used and the resulting calculated factors Otherwise the message Not Used is displayed Establishing a Span Once a zero reference has been establish
149. s Press TARE to establish span Pause for motion delay Press TARE to accept calibration Press TARE to save calibration Press TARE to exit calibration Remove calibration weight Model 350 355 Service Manual First Zero Calibration Method 355 1 2 3 4 5 6 7 8 9 10 11 12 13 6 3 3 Last Zero From the Weigh Mode key in 1 0 O SELECT Key in 5 4 3 2 11 ENTER Remove any load on the scale Press ENTER to establish zero Pause for motion delay Place a test weight on scale Enter the value of the test weight with the numeric keys Press ENTER to establish span Pause for motion delay Press ENTER to accept calibration Press ENTER to save calibration Press ENTER to exit calibration Remove the calibration weight The Last Zero procedure allows recalibration of the weighing device using an existing test load This is especially beneficial when checking high capacity applications such as tank weighing to minimize the task of placing and removing test weights Establish gross zero before entering setup or calibration Last Zero Calibration with Weight Already Applied 350 1 2 3 4 5 6 7 8 9 10 11 Model 350 355 Service Manual Remove any load on the scale Press ZERO to zero the scale Apply a test weight to verify calibration Press ZERO SELECT Press ZERO PRINT UNITS TARE Press SELECT Press TARE to
150. s can be used Figure 2 9 Model 350 Cable Tie on Die Cast E E Do not tin the ends of the load cell wire A terminal connection free from the effects of vibration and oxidation can be assured only if the load cell terminals securely grip a bare stranded wire 22 Model 350 355 Service Manual When using four conductor cables Excitation must be connected together with Sense and Excitation must be connected together with Sense on the Model 350 die cast Figure 2 10 Model 350 Die Cast Load Cell Connection J8 Sense jumpers are standard on the Model 350 355 Stainless Steel E3 and E4 Utilizing the and Sense leads of six conductor cables provides compensation for variations in the excitation voltage due to resistance changes in the cable Figure 2 11 Model 350 355 Stainless Steel Load Cell Connector J10 2 5 Serial Port Connections Before connecting to the serial port consideration should be given to the communication protocol and to any remote key requirements For information on remote key operation refer to Remote Key Operation on page 94 Use Table 2 1 Serial Port Connections to determine proper wiring to the communication port Communication connections are made through the DB9 male connector on the rear of the enclosure or a pigtailed cable through a strain relief internal power supply model on J6 comm connector The cable should be 20 to 28 AWG with a braided or foil shield for either mod
151. s during scrolls through digits during scrolls through digits during data entry setpoint entry setpoint entry Toggles between Ib and kg Toggles through standard sample Advances cursor to next entry and or advances cursor to next sizes and or begins a new sample position and or cycles entry position entry prompts Performs an auto tare function Performs an auto tare function Accepts an entry in progress if enabled and or accepts an and requests a piece sample and and or scrolls through entry in progress or accepts an entry in progress parameter sub set selections and or answers YES to query prompts tz Es fm Toggles between display modes Toggles between display modes Advances to the next setup and or restores power to the and or restores power to the parameter indicator if auto shutoff indicator if auto shutoff enabled enabled Uo m or zm 9 Model 350 355 Service Manual 9 Key Press ZERO SELECT CLR ON Weigh Mode Access Setup Mode Hold these keys on power up to bypass the remote display mode Count Mode Access Setup Mode Setup Mode No function TARE SELECT ES No function No function Return to the previous setup parameter ZERO TARE CLR 4 Absolute clear clears an entry in progress and or clears the value of a parameter No function Clears any entry in progress ZERO PRINT CLR A Backspace e
152. s gt 3 016 ENTER or TARE lt Annunciator 1 gt 4 064 ENTER or TARE lt Annunciator 2 gt 5 ENTER or TARE 1 ENTER or TARE 160 ENTER or TARE lt Net Parameter gt D 003 ENTER or TARE lt End Character gt T Save changes and exit the setup mode E NAE NC NE NENNEN CNRC LAmweawi I mw N amp dy Oe o CI SW So Soi xx Wa The start character and end character can be any ASCII character 1 255 Refer to the above table for the annunciator codes to be entered in the custom transmit Always use 160 for the format code when entering a parameter 5 11 Hazardous Area to Safe Area Configuration In order to use setpoints or analog output modules they must be located in the safe area These modules will be installed in the safe area hub Refer to Safe Area Setpoint Option Installation or Safe Area Analog Option Installation on page 33 for option installation instructions The control indicator will be in the hazardous area and where the load cell s will be connected The control and hub indicators will communicate via fiber optic cable Refer to Fiber Optic Interface on page 368 for installation instructions Use the following instructions to setup the control and hub indicators Once a control or hub indicator is chosen at P260 the protocol and interactive parameters are automatically set up See Table 5 8 for the default parameters of the control and hub The set
153. s installed P5012 Setpoint Bargraph Low Limit Percentage Key in Controls the bargraph low limit percentage value for determining the weighting of each segment of the bar graph This only appears if an LCD display is installed P5100 Setpoint Operation Selection Sets the desired Setpoint operation Choose between None ChecP Fill Batch Discharge Both ChecA or Independent See Setpoint Setup on page 105 for complete details on setpoint setup and operation Model 350 355 Service Manual 79 80 Model 350 355 Service Manual 5 Configuration This chapter will cover the different elements of configuring the Model 350 355 5 1 Preset Transmit Selections The Model 350 and Model 355 provide 16 preset formats for printing tickets or sending data to a computer Only one format or custom transmit may be enabled at a time Choice 0 Custom Transmit User defined serial data string see Custom Transmit Setup on page 83 Choice 1 GSE Standard Transmit HH MM SS am MM DD YY lt CR gt lt LF gt XXX XX kg Gross lt CR gt lt LF gt XXX XX kg Tare lt CR gt lt LF gt XXX XX kg Net lt CR gt lt LF gt Choice 2 Count HH MM SS am MM DD YY lt CR gt lt LF gt XXX QTY lt CR LF gt XX X kg APW lt CR gt lt LF gt XXX XX kg Gross lt CR gt lt LF gt XXX XX kg Tare lt CR gt lt LF gt XXX XX kg Net lt CR gt lt LF gt NOTE The time and date will only be printed in choice 1 and 2 if P502 is enabled Choice 3 Con
154. s the use of the UNITS key on the master indicator When this parameter is enabled and the key is pressed a Units key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the UNITS key will have no effect on the master indicator Enable Disable P282 01 Select Enables or disables the use of the SELECT key on the master indicator When this parameter is enabled and the key is pressed a Select key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the SELECT key will have no effect on the master indicator Enable Disable P283 01 Enables or disables the use of the PRINT and UNITS keys on the master indicator 350 When this parameter is enabled and the keys are pressed the Print and Units keys will be simulated The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the keys will have no effect on the master indicator Enable Disable P284 01 Enables or disables the use of the PRINT key on the master indicator When this parameter is enabled and the key is pressed a Print key command will be recognized by the master indicator The Tx Rx and GND line must be connected between the COM
155. same manner as the target weight was entered above When the displayed value is correct press TARE 3b If no value is to be entered or PA1 is not displayed press TARE to go to the next screen 4 If PA2 is displayed enter the value in the same manner as the target weight was entered above and press TARE to accept or press TARE to return to the weigh mode Press SELECT to view the desired weigh mode parameter Model 355 1 Press SELECT until tArG1 is displayed 2 Key in the desired target value with the numeric keys and press ENTER Model 350 355 Service Manual 3 The PA1 value will be displayed Key the in value with the numeric keys and press ENTER 4 The PA2 value will be displayed Key the in value with the numeric keys and press ENTER 5 Press SELECT to select the desired weigh mode parameter 5 15 2 Start Fill Activation Method The fill begins with the selected activation method The method is determined by the parameters in the setup mode The deactivation of the setpoints is automatic The desired target may be based on net or quantity if counting is enabled Activation types Tare key Press the TARE key to start the process A tare weight will be set and the weight will switch to net zero Remote key Press the remote key switch Auto start The process is automatically activated It waits for a no motion condition and then adds the target to the current displayed wei
156. scharge target value P5109 PA2 Pre act 2 value for vessel discharge Model 350 355 Service Manual 117 Setpoint Selection Function Description Learn 2 Learn feature for pre act 2 Start 2 Setpoint 2 activation method Pause Keypad press invokes pause 5 18 1 Enter a Target 118 Model 350 1 2 Press SELECT until tArG1 is displayed Press PRINT until the first digit of the new target is displayed Press UNITS to accept the number displayed Continue this step until the desired number is entered Example Target of 20 2a Press PRINT four times O DISPLAY READS gt 2 2b Press UNITS to accept the 2 that is displayed O DISPLAY READS 2 2c Press PRINT once O DISPLAY READS gt 20 2d Press TARE to accept the target weight as 20 O DISPLAY READS gt 20 3 Press TARE Once the tare key is pressed it is possible that PA1 will be displayed if the pre act parameter is enabled 3a If a value is desired enter it in the same manner as the target weight was entered above When the displayed value is correct press TARE 3b If no value is to be entered or PA1 is not displayed press TARE to go to the next screen 4 Repeat steps 2 and 3 until all targets and pre acts are entered Press TARE to return to the weigh mode Model 355 1 Press SELECT until tArG1 is displayed 2 Key in the desired target value with the numeric keys and press ENTER 3 The PA1 value will be displayed Key
157. se contact your sales representative to get one each of the following GSE part numbers 36 20 2450 Rubber washer 0 49 ID x 1 06 OD x 0 093 thick O 36 20 2455 Stainless washer 0 5 ID x 1 125 OD x 0 062 thick 3 8 4 Battery Charging 54 If needed the battery will always be charging when the unit is plugged in regardless of the switch position Typically it takes four hours to fast charge a fully discharged battery Battery voltage is monitored to provide a fast charge then a continuous trickle charge to maintain the battery while not in use Overcharge Protection The battery state is monitored by the charging circuit to prevent overcharge and provide proper charge termination Overcharging is also prevented through temperature sensing Battery voltage is monitored during charging to ensure a 100 percent capacity charge The circuitry includes a safety timer to stop battery fast charging after 264 minutes Temperature Sensing If the ambient temperature sensor RT1 on the board is colder than 10 degrees C the battery will trickle charge and not enter fast charge until the temperature rises above 10 C 50 F Model 350 355 Service Manual If the battery temperature sensor connected between battery and THERMISTOR is warmer than 60 C 140 F the charger will stop fast charging and revert to trickle charging A fast charge cannot happen again until the battery has cooled and the unit is reset by turning off the ON OFF swit
158. setup at P110 Full Scale Input The extended ASCII character represented by decimal 150 hex 96h is received through any comm port Output P110 FS 100 00 js sent out comm port 2 Model 350 355 Service Manual 5 13 Setpoint Setup The Model 350 355 has several pre programmed scale setpoint applications available at P5100 Various related setpoint parameters may appear according to which of the standard programs is chosen Table 5 9 describes the available setpoint operations Table 5 9 Setpoint Operations Setpoint Selection Parameter Function Description Setpoints disabled Percentage check weighing Over Under tolerances are based on a percentage of the target weight Single Ingredient Fill Single or Dual Speed Allows the use of pre acts for dribble feed and compensation for free fall material Includes a selectable learn mode Batch up to three ingredients Allows for the use of pre acts to compensate for free fall material Includes selectable learn modes Single Ingredient Discharge Single or Dual Speed Allows the use of pre acts for dribble feed and compensation for free fall material Includes a selectable learn mode Single Ingredient Fill and Discharge Fill large holding vessels and discharge material in pre determined amounts Allows for the use of pre acts to compensate for free fall material Includes a selectable learn mode Absolute check weighing Over Under tolerances
159. ss SELECT until tArG1 is displayed 2 Press PRINT until the first digit of the new target is displayed Press UNITS to accept the number displayed Continue this step until the desired number is entered Example Target of 20 2a Press PRINT four times O DISPLAY READS 2 2b Press UNITS to accept the 2 that is displayed O DISPLAY READS 2 Model 350 355 Service Manual 2c Press PRINT once O DISPLAY READS gt 20 2d Press TARE to accept the target weight as 20 O DISPLAY READS gt 20 3 If more than one target is enabled press SELECT to advance to the next target e g tArG2 Repeat steps 2 and 3 until all values are entered Model 355 1 Press SELECT until tArG1 is displayed 2 Key in the target weight with the numeric keys and press ENTER 3 If more than one target is enabled press SELECT to advance to the next target e g tArG2 Repeat steps 2 and 3 until all values are entered 5 21 2 Activation Method The filling of each ingredient begins when one of three selectable start functions occur Each ingredient may have its own start function The deactivation of the setpoint is automatic The desired targets may be based on net weight or quantity if counting is enabled Annunciators Indication on the display showing the status of a relay If the annunciator is illuminated the corresponding setpoint is active In order for the annunciators to activate the displayed value must be at le
160. ssed or implied for the suitability of the Weigh Tronix equipment for the owners specific application or environment Model 350 and Model 355 book Table of Contents Chapter 1 General information and warnings i 5 Aboutthis Manual darain rer ae at RR ip ee ai asi 5 Text GonVventlons x aiar lira 5 Special Messages i e ede He Lee ce eu Le lie te ila ie 5 Electrical Installation nai ete Hep RE Rd eden 6 Pluggable Equipment Leila 6 Permanently Wired Equipment Isolator Requirements sssssssssss 6 Safe Handling of Equipment with Batteries rnn 7 Wet Condlitions 5 ne eet Pese ete ta ep Hore attese o ERA inne zeae 7 Routine Maintenance i 7 Cleaning the Machine nr 8 uU e 8 Sharp Objects iia ani RAP d 8 AC and DC Power illo di 8 Battery Operated umi ariana 8 AG Operated ave sk ae Ade Ria i 9 Keypad EE 9 Model 350 Keypad 32 tiec re Het eed rd pene td ze anta 9 Entering a Tare Value Model 350 sss emen 10 Entering a Tare Value Model 355 sse eem ees 10 Model 355 Keypad tinte einer dinner RE 11 Weigh Mode Functions 12 BIET 13 HI 13 OC Divot ie te eee edite uetus iei qe tere tene 13 Annunciators S 14 Remote Displays fai aiar aaa he 14 FCC and EMC declarations of compliance eene 15 Chapter 2 Indicator Installation
161. stom Transmitter a best eet abe egt lite ii ccelis 83 Writing A Custom Transmit ASCII Text File i 84 Access Setup and Clearing Existing Custom Transmit 84 2 Model 350 355 Service Manual EnteringiASCIL TEext ainiin dd i 84 Parameter Selection Numbers sese eene nnne nnns 86 Format Codes em 87 ID Number Entry and Printing eerca aea era R nennen enne enn 87 Enter an ID from the weigh mode i 88 Remote Serial Operation eene nnne nnne 88 Display Capture Utility ccc cee ie coiere idas 89 RS 485 Multi Drop Network Setup and Operation nnn 89 SOLU perite to Pole vehat em gebe Lado obe te seid baad e e tede n 90 OPS ALON EET 90 Network Protocol 2 Leda dd 90 Parts Counting 2 rete rrr rer RAI liebe add 91 Model 350 5 1 eL pee E ade cond e ad dee e e LL dete dee Poe de 91 Model IO A death RR IRE Pet Eee Ra eR RAP E ERR S 92 Set Time amp Date den dd 92 Model IDO nectar m 93 Model 355 cotidianeidad 93 Remote Key Setup scarno iere t diete eek Ens ats ae area 94 Upgrade Indicator Firmware nnnm 94 Prepare For Upgrade tica lt c 95 Load dI IE 95 Remote Display Configuration ii 96 Master to Remote Slave Configuration essem 96 Setup Master Indicator mnm ener enne 97 Setup Remote Indicator i 97 Hazardous Area to Safe Area
162. symbol Notes give additional and important information hints and tips that help you to use your product 1 2 Electrical Installation CAUTION The power cable must be connected to an earth grounded electrical outlet The electrical supply must have a circuit breaker with an appropriate rating to protect from over current conditions For your protection all electrical 110V or 230V equipment used out of doors or in wet or damp conditions should be supplied from a correctly fused power source and protected by an approved ground fault protection device RCD GFCI etc IF IN DOUBT SEEK ADVICE FROM A QUALIFIED ELECTRICIAN 1 2 1 Pluggable Equipment Pluggable equipment must be installed near an easily accessible socket outlet 1 2 2 Permanently Wired Equipment Isolator Requirements Permanently connected equipment must have a readily accessible disconnect device incorporated in the fixed wiring such as an isolator or circuit breaker with at least 3mm contact separation The isolator MUST NOT be installed into the flexible power cable supplied with the unit Model 350 355 Service Manual 1 2 3 Safe Handling of Equipment with Batteries with the same or equivalent type recommended by the manufacturer Dispose m CAUTION Danger of explosion if battery is incorrectly replaced Replace only of used batteries according to the manufacturer s instructions ATTENTION Il y a danger d explosion s il y a remplaceme
163. t Displayed value represents the current piece quantity Count The displayed value is represented in pounds Oz Ib oz g The displayed value is represented in kilograms The displayed value is represented in either ounces pound ounces or grams Lo 1 10 Remote Display Illuminates when the battery reaches a low tolerance LCD only The remote display function allows a master indicator Model 350 or Model 355 to be echoed to another indicator 350 Series or 60 Series and be used in a remote location There are certain parameters that must be set in order to have the master and slave indicators communicate together If the remote display mode is enabled r dsp will be shown on the display See page 96 for further instructions 14 Model 350 355 Service Manual 1 11 FCC and EMC declarations of compliance United States Table 1 2 This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the us
164. t be entered Model 350 355 Service Manual You can adjust the included factory recommended offset and gain values to precisely configure the system being connected to these outputs Once the initial factory values have been entered pressing the TARE 350 or ENTER 355 key will cause the count value to increase one count and pressing the PRINT UNITS keys will decrement the count value by one count All changes made are updated live to aid in calibrating a specific device to the analog option board output Holding down the key s will repeat the increment decrement action 5 24 2 Analog Output Example Analog Parameter Setting P172 01 Parameter Description Example Value Comments Net Weight Current net weight P173 Analog Full Scale Net weight value that would give maximum analog output P174 Zero Offset Net weight value that would give minimum analog output P175 Max Range Value Maximum analog output allowed entered in terms of voltage 3 40 43 Vout X10 X102 7 166 20 40 60 Since 7 166 vis less than 8 v per P175 the output signal is not restricted and would be 7 166 v If a current output is selected the output is a milli amp current where 0 volts corresponds to either O mA or mA as per P177 and 10 volts would translate to 20 mA Values in between would be scaled proportionately 20mA 4mA x 7 166 16 x 7 166 Tout AMA
165. t on the master indicator Enable Disable P288 01 Enables or disables the use of the numeric keys on the master indicator including the decimal key When this parameter is enabled and a numeric key is pressed it will be recognized by the master indicator The Tx Rx and GND line must be connected between the COMM Ports of the master and remote unit If this parameter is disabled the numeric keys will have no effect on the master indicator Model 350 355 Service Manual Enable Disable 99 100 Sh Display P271 When set for Display information will be displayed on the remote indicator exactly as it appears on the master indicator Set P271 for Display and configure all other remote display parameters Configure the parameters in the master indicator refer to Setup Master Indicator on pages 97 Make sure that the wiring connections between the master and remote indicators are correct refer to Remote Display Connections on page 25 Custom P271 When set for Custom the master indicator will send customized information to be displayed on the remote indicator A parameter or text data may be transmitted to the remote indicator on a continual or on demand basis Set P271 for Custom and set all other remote display parameters refer to Table 5 7 Configure the parameters in the master indicator refer to Setup Master Indicator on page 97 Make sure that the wiring connections between the master and re
166. t parameter P200 All devices connected to the network must have matching protocol settings 90 Model 350 355 Service Manual 5 6 Parts Counting The counting parameter must be enabled before using Follow the instructions below for sampling and counting parts A new sample must be performed for each unique part being counted The indicator will not store the average piece weight Parameter P170 must be enabled before parts counting is accessible See page 63 for details on selecting a specific parameter 5 6 1 Model 350 Sample selectable fixed counts from the weigh mode 1 From the weigh mode press SELECT until the QTY annunciator is lit The display may show do APS if an average piece weight is not found This message is to let you know this is a new sample Go to step 2 2 Press TARE to perform a sample Add 10 will be displayed If 10 is the desired sample size go to step 4 Otherwise go to step 3 3 If a fixed sample size other than 10 is desired press SELECT to toggle through sample size choices 5 10 20 50 and 100 When the desired sample size is displayed go to step 4 4 Add the pieces to be sampled and press TARE After motion is stabilized the sampled quantity will be displayed 5 Continue adding parts to be counted The display will show the number of parts added 5a If a different part needs to be counted go to step 2 To sample using variable counts 1 From the weigh mode press SELECT un
167. t setpoint is set to Activate Above the setpoint will activate when the selected mode gross net or quantity is equal to or above the target When set to Activate Below the selected mode must actually be below the target ar A setpoint option board may be installed to allow the Model 350 355 to directly control lights buzzers valves or relays Also the setpoints can be configured to ignore or heed the stability setting P114 Independent Status Annunciator Status Setpoint Status Requires Setpoint Option Board Setpoint 1 Active SP 1 Illuminated Relay 1 Closed Setpoint 2 Active SP 2 Illuminated Relay 2 Closed Setpoint 3 Active SP 3 Illuminated Relay 3 Closed Independent Setpoint Reset deactivation choices Parameter Setting P51x5 0 P51x5 1 Reset Choice Description Tare Setpoint deactivates with TARE Setpoint deactivates with Remote Key closure Remote Key P51x5 2 Auto Setpoint deactivates when weight returns to 5 graduations of zero and stabilizes P51x5 3 Non Latched Setpoint deactivates when weight value is in a range opposite of the activation setting P51x5 4 Reset Value Setpoint deactivates when weigh reaches a second value and stabilizes E E The Pre Acts Learn Mode and Pause Feature options are not applicable to Independent Setpoint operation 5 22 2 Changing Targets from the Weigh Mode When Independent Setpoi
168. talling the card Also be sure the cable is attached to the right most connector J3 as viewed from the component side of the option board The second connector J1 is for daisy chaining another option card The additional mounting hardware is supplied with the option bracket kit This hardware should be saved for future use if not being used 35 9 Route the analog cable through the available strain relief 9a Make sure to connect cable conductors to the proper terminals before closing the unit 10 Reinstall the back cover Tighten the eight screws securely to create a good seal 10a Be sure to avoid pinching the cable between the housing halves 8 Figure 3 5 Option Board Installation with Option Plate Stainless 350 355 3 4 4 Analog Connections Table 3 1 Analog Output Connections Connection Name Earth Ground Description Non isolated earth ground future use 5 VDC Isolated 5 volt source future use Isolated Ground Provides an isolated ground connection Vout Used for the 0 10 VDC analog signal output Isolated Ground Provides an isolated ground connection lout 36 Used for 4 20 or 0 20 mA analog signal output Model 350 355 Service Manual 350 Die Cast Place this label on the rear of the indicator above the analog option knockout Wire the option connector in accordance with the label left to right ANALOG OUTPUTS 5V 1 EARTH GND 2
169. te accuracy of the data displayed by the indicator Parameter 119 P119 enables or disables this feature Initially the same basic procedures as a normal calibration are used to perform a multi point linearization All of the prompts provided will be exactly the same as a standard calibration for each cal point up to the Cal Good prompt If items are consistantly being weighed on either the high or low end of the cell capacity the points of calibration can be skewed to either end of the spectrum Multi point linearization can compensate for a cell that is non linear First Zero Model 350 355 Service Manual 1 Remove all weight and press TARE or ENTER 2 From the Enter Load prompt key in the first calibration point and press TARE or ENTER 3 From the Add Load prompt add the weight of the first calibration point and press TARE or ENTER 4 For calibration points 2 5 Simply add the weight which you want to use for the next calibration point then key in the value of the applied weight and press TARE or ENTER You may wish to add weight until the displayed weight differs from the actual applied weight and then perform the next calibration at that point Reset Cal 1 Press TARE or ENTER 2 From the First Zero prompt remove all weight and press TARE or ENTER 3 From the Enter Load prompt key in the first calibration point and press TARE or ENTER 4 From the Add Load prompt add the weight of the fi
170. ted CR lt LF gt followed by the transmit specified at P213 port 1 or P233 port 2 The port number needs to be selected within this parameter P1000 Custom Transmit 1 A custom transmit is a user defined string of data that can be sent to the serial port Parameter P1000 is the beginning of the custom transmit table for transmit 1and must be enabled for transmit by selecting cust at P213 Parameters use three bytes of memory ASCII characters and control codes use one byte See P60001 for available memory The custom transmit cannot be viewed or altered from the indicator A custom transmit must be entered via the serial port See Custom Transmit Setup on page 83 for details on designing and loading a custom transmit P2000 Custom Transmit 2 A custom transmit is a user defined string of data that can be sent to the serial port Parameter P2000 is the beginning of the custom transmit table for transmit 2 and must be enabled for transmit by selecting cust at P230 Parameters use three bytes of memory ASCII characters and control codes use one byte See P60001 for available memory The custom transmit cannot be viewed or altered from the indicator A custom transmit must be entered via the serial port See Custom Transmit Setup on page 83 for details on designing and loading a custom transmit P5000 Target Key Toggle Allows a target value to be entered or viewed Sending a lt CTRL A gt using a serial device such as a computer is equ
171. ters ASCII text can be entered directly into a custom transmit with a e enter command For example Joe s Fertilizer Plant e 84 Model 350 355 Service Manual Table 5 1 ASCII Hexadecimal Conversion Chart hex CHAR dec hex CHAR dec hex CHAR dec hex CHAR dec hex CHAR dec 00 NUL 000 1A SUB 026 34 4 052 NE N 078 68 h 104 2 O Oo 5 3 e y gt N lt x S lt c dl V AO VIO N lt x Z lt lt 1 gt Q A B C D E F G H l J K L M E E Most printers require a carriage return 013 and or a line feed 010 to print preceding data and avoid leaving data in the printer buffer Model 350 355 Service Manual 85 5 2 4 Parameter Selection Numbers The following sequence enters parameters into a custom transmit e the parameter number e e a format code and then e e with no intervening spaces Ve 0 eY e O0 e e Initiates Parameter Parameter Number Enters Parameter Format Choice Enters Format Entry ard Initiates and Ends Entry Format Entry Table 5 2 Custom Transmit Parameter Selection Numbers Parameter Number Gross Weight 27 49 lb Gross Net Weight 14 53 Ib Net Tare Weight 12 96 Ib Tare Time Date 10 01 01 am 01 26 01 ID ID 12MN53 Quantity 58 Qty APW 0 25 lb APW APW K 250 Ib APW K Targ1 400 Ib Targ1 Targ2 500 Ib Targ2 Targ3 1000 Ib Targ3 Act 1 note Indp
172. til the QTY annunciator is lit The display may show do APS if an average piece weight is not found This message is to let you know this is a new sample Go to step 2 N Press TARE to perform a sample Add 10 will be displayed e Add pieces and key in the number of pieces being sampled by entering the known sample size First press the PRINT key until the first digit is displayed Use the UNITS key to move to the next digit Continue using the PRINT and UNITS keys until the desired sample size is displayed and press TARE 4 Add the pieces to be sampled and press TARE After motion is stabilized the sampled quantity will be displayed 5 Continue adding parts to be counted The display will show the number of parts added 5a If a different part needs to be counted go to step 2 View the average piece weight 1 From the QTY mode press SELECT once The display will show APS and then flash the last sampled average piece weight This value cannot be altered Model 350 355 Service Manual 91 5 6 2 Model 355 Press the SELECT key to exit the average piece weigh mode Continue to press SELECT until the desire weigh mode parameter is displayed To sample using selectable fixed counts from the weigh mode 1 1a 3a From the weigh mode press ENTER Add 10 will be displayed If 10 is the desired sample size go to step 3 Otherwise go to step 2 If a fixed sample size other than 10 is desired press
173. toff for ingredient 1 Learn 1 Learn feature for pre act 1 enabled Start 1 Setpoint 1 activation method Targ 2 Ingredient 2 target value PA 2 Pre act 2 value final cutoff for ingredient 2 Learn 2 Learn feature for pre act 2 enabled Start 2 Setpoint 2 activation method Pause Keypad press invokes pause mode Targ 3 Ingredient 3 target value PrAc 3 Pre act 3 value final cutoff for ingredient 3 Learn 3 Learn feature for pre act 3 enabled P5120 0 Start 3 Setpoint 3 activation method 5 16 1 Enter a Target 112 Pressing TARE or ENTER alone allows access to the subsets PA 1 and PA 2 are the subsets for Targ 1 Model 350 1 Press SELECT until tArG1 is displayed 2 Press PRINT until the first digit of the new target is displayed Press UNITS to accept the number displayed Continue this step until the desired number is entered Example Target of 20 2a Press PRINT four times O DISPLAY READS 2 2b Press UNITS to accept the 2 that is displayed O DISPLAY READS 2 2c Press PRINT once O DISPLAY READS 20 Model 350 355 Service Manual 2d Press TARE to accept the target weight as 20 O DISPLAY READS 20 3 Press TARE Once the tare key is pressed it is possible that PA1 will be displayed if the pre act parameter is enabled 3a If a value is desired enter it in the same manner as the target weight was entered above When the displayed
174. tup changes 4 Press TARE to complete exit To exit the Setup Mode from the view only mode 1 Press ZERO to begin exiting Setup Mode 2 Press TARE to complete exit To exit the Setup Mode without saving changes 1 Press ZERO to begin exiting Setup Mode 2 Press ZERO to bypass Calibration Mode 3 Press ZERO to exit without saving changes 4 Press TARE to undo changes 5 Press TARE to complete exit Model 355 To exit the Setup Mode and save changes 1 Press ZERO to begin exiting Setup Mode 2 Press CLR to bypass Calibration Mode 3 Press ENTER to save setup changes 4 Press ENTER to complete exit To exit the Setup Mode from the view only mode 1 Press ZERO to begin exiting Setup Mode 2 Press ENTER to complete exit Model 350 355 Service Manual To exit the Setup Mode without saving changes 1 Press ZERO to begin exiting Setup Mode Press CLR to bypass Calibration Mode 2 3 Press CLR to exit without saving changes 4 Press ENTER to undo changes 5 Press ENTER to complete exit 4 5 Factory Default Parameter 65001 and 65002 are available to return the Model 350 355 to factory settings Parameter 65001 will reset parameters including the calibration while parameter 65002 resets all parameters except the calibration 4 5 1 Return to factory default 350 Access the setup mode See page 61 for details 1 Key in 65001 or 65002 SELECT 2 Press TARE once 3
175. uch force to remove If only installing one option the left knock out as viewed from the rear should be removed A small file may be used to remove any burrs Flip the back cover over and place the Analog Output Module component side down over the four mounting holes Install four 10mm screws to a minimum of 8 in Ib of torque Be sure the cable is already attached before installing the card Also be sure the cable is attached to the left most connector as viewed from the component side of the option board The second connector is for daisy chaining another option card The screws used to mount the option card are self tapping and will require added torque when first installed Attach the loose end of the cable to the serial I O connector J7 on the main board or the open connector of a previously installed option card J7 is a 10 pin polarized connector Be sure the cable is not twisted when installed If this is a second option card route the cable to the open connector of the first option card Reinstall the back cover Tighten the four screws to a minimum of 8 in Ib torque Be sure to avoid pinching the cable between the housing halves Affix all appropriate labels to the back of the indicator Figure 3 3 Option Board Installation Die Cast Model 350 3 4 2 Install the Analog Output Module without mounting bracket Model 350 355 Stainless If only one option is being installed in a fiber optic hub indicator use the
176. up Mode Received alpha characters will not be displayed Numeric tare entries cannot be received through the serial port e Pressing TARE with a gross weight of zero 0 or keying in a tare value of zero 0 will not automatically switch to the net mode Negative tare values are not accepted Tare rounding is enforced When the tare value is zero the net mode is not selectable Where applicable enabling the restrict parameter will over ride the current setting of other parameters uH If the counting feature is enabled NTEP requires a label on the front of the indicator stating The counting feature is not legal for trade See Other Requirements on page 145 for other application specific considerations Model 350 355 Service Manual 143 7 1 1 NTEP Panel Mount Requirements 144 In addition to all other NTEP requirements the serial number of a panel mounted unit must be visible from the outside front of the controller The serial number on the Model 350 rear label must be engraved in the space provided on the panel mount tag see Figure 7 1 These serial numbers MUST match The tag is designed to be applied to the top right edge of the enclosure or to the lower right of the front of the unit Drill pins part number 38 04 2960 are supplied with the panel mount kit to mount the tag The drill pins require a 1 16 hole To install the panel mount tag 1 Remove the electronics Carefully score the case so
177. ust be erased Enter an a from the computer keyboard When finished the menu choices will be replicated To program flash enter a b from the computer keyboard Open the flash file from your terminal window and send it to the indicator After the file loads the menu choices will be replicated To end the flash process enter a d from the computer keyboard to quit The indicator will restart 95 4 If the Reflash jumper E2 was set to REFLASH unplug the indicator and return the jumper to the NORMAL position 9 In order to enable the Model 355 keypad you must cycle power and hold the ENTER key on power up ba f Ch is displayed after reflashing then the reflash failed Use the reflash jumper to force reentry into reflash menu and reprogram again 5 10 Remote Display Configuration uH The remote display function allows a master indicator 350 or 355 to be echoed to another indicator 350 I S 355 1 S 355 and be used in a remote location There are certain parameters that must be set in order to have the master and slave indicators communicate together Refer to the section below to configure the master and remote slave indicators The master does not transmit any information to the hub unless there is something new to report such as a change in weight keypress etc 5 10 1 Master to Remote Slave Configuration 96 The remote indicator will receive continuous transmission from the master indicator It is ne
178. y 1 START key 355 only The START key activates the setpoint The remote key function assigned at P800 is over ridden A setpoint and P5003 must be enabled for the start key to operate Remote Key 2 STOP key 355 only The STOP key activates the setpoint The remote key function assigned at P801 is over ridden A setpoint and P5002 must be enabled for the start key to operate Auto Start Automatically activates the setpoint after motion ceases 5 13 2 Pre Acts Pre Acts are control actions prior to reaching a desired target value Necessary to prevent over filling due to product flow rate relay and valve response time and product suspension Pre Acts compensate for other system variables affect how much more product reaches the weighing device after the indicator has deactivated a setpoint Pre act 1 Used in dual speed applications pre act 1 specifies when the Model 350 355 should switch from fast fill to slow fill allowing the system to perform the bulk of a filling operation as quickly as possible before switching to a more manageable dribble mode for final cutoff When using a single speed device set pre act 1 to 0 Pre act 2 Specifies the weight where the final cutoff should occur enabling the Model 350 355 to compensate for a dispensing control s closure time and account for free fall material Free fall is the amount of product that has passed the point of the dispensing control yet not yet rea
179. y of the master indicator When set to custom the remote receives a custom format from the master indicator In custom mode the transmit may be send continuous or on demand Display Custom P272 00 Set address for remote display Only present if P271 is set for custom None 1 255 P273 01 Determines where transmits sent out the comm port from the master or control indicator that is connected to the remote or hub are redirected to Should not be set to the same port as P261 unless transmit wire is being used to connect to a printer connected to the remote indicator In this case the keypad cannot be used to talk to the master or control indicator None Port 1 Port 2 P274 02 Set the start character for the remote display Choices are 0 255 Default value is 2 STX The choice must match the start character in P291 on the master display Avoid using values of 17 or 19 when using software flow control The values of 17 and 19 are Xon and Xoff codes and could cause conflict Model 350 355 Service Manual Numeric Entry 0 to 255 2 97 Parameter Setting P275 03 Displayed Name Description Set the end character for the remote display Choices are 0 255 Default value is 3 ETX The choice must match the end character in P292 on the master display Avoid using values of 17 or 19 when using software flow control The values of 17 and 19 are Xon and Xoff codes and could cause conflict
180. y output 20 mA in 0 20mA output mode i e gain Numeric Entry 50 000 to 65 535 54 555 P61204 Value required to precisely output 0 mA in 4 20 mA output mode i e offset Numeric Entry 0 to 15 000 10 910 P61205 Value required to precisely output 20 mA in 4 20mA output mode i e gain Numeric Entry 50 000 to 65 535 54 555 P61206 Analog option board serial number Numeric Entry 0 4 294 967 295 An example of the printout included with each analog option kit follows below 100 s23640 e Access Setup Modes Allowing Changes 60100 s e P60100 c1998 GSE 60101 s e P60101 OModel 350 350p01009 60102 s e P60102 06 30 2000 60200 s e P60200 BrdSn573192 60201 s e P60201 AuditTrail Euro 00001 60202 s e P60202 InsSn329074 60203 s e P60203 AuditTrail Cal 00025 60204 s e P60204 AuditTrail Setup 00050 61200 s2923 e P61200 100ff 2923 61201 s61027 e P61201 10 Gn 61027 61202 s0 c P61202 Ooff 0 61203 s54555 e P61203 0 Gn 54555 61204 s10910 e P61204 4 off 10910 61205 s54555 e P61205 4 Gn 54555 61206 s123456 e P61206 Srl n 123456 z Exit Setup Mode Analog calibration values can be entered into the Model 350 and Model 355 by keying in the data in the left hand column beginning at the line starting with 61200 replacing the s character pairs with the SELECT key and e with the TARE 350 or ENTER 355 key The line with the c is not adjustable and canno

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