Model 815 User`s Manual
Contents
1. CII gt GROSS NET 9741510 PRINT TARE G N ZERO PRINT unc CN Figure 2 Indicator Display Gross Appears when indicator is in gross weighing mode Net Appears when a tare is in effect and the indicator is in net weighing mode CZero Appears when the scale is within 1 4 division of zero Print Appears when the print key is pressed and while data is transmitted lb kg X Points out the active unit of measure in weighing mode Operations Menu Gross Tare Net Weighing Operations Gross Weighing Your unit is configured to display some or all of the following functions pushbutton tare identification number time date and backlight These parameters can be viewed and changed if allowed by the security code This manual as sumes the unit is configured to allow full access to all functions You can disable unneeded options Instructions are in the Service M anual Below is a flowchart and general instructions for moving around the O perations Menu RS Gross Net Weighing Mode TARE ID HOUR DAY LIGHT Time as Date as Enabled 12 h No tare Current Current on 99 n Disabled tare value ID 24 hour dd mm yy or yy mm dd Figure 3 O perations Menu Diagram Press MENU to go right in the2. A NI D Model 815 User s Manual UNITED STATES 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 user will be required to correct the interference at his own expense CANADA 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 present appareil numerique pas de bruits radioelectriques depassant les limites applicables aux appareils numeriques de la Class A prescrites dans le Reglement sur le brouillage radioelectrique que edicte par le ministere des Communications du Canada CAUTION Risk of electrical shock Do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel Weigh Tronix reserves the right to change specifications at any time 08 02 00 815USE
3. 12 Communication Protocol 12 e 13 TESE ModE 13 14 RS 232 Serial Interface Connectl ris er rtt tbt foedata 15 Pages are numbered consecutively beginning with the cover page Dimensions Power Display Display Averaging Display Rate Accuracy Linearity Repeatability Hysteresis W eigh bar drive capacity Environment Internal Resolution A to D conversion rate Analog Range Capacity Divisions Push Button Zero Range Tare Motion Detection W indow Automatic Zero Tracking Linearity Adjustment VIBRATION COMPENSATION Analog Low Pass Filter Software Low Pass Filter Specifications 9 37 W x 6 75 H x 3 75 D without mounting bracket 23 8 cm x 17 1 cm x 9 5 cm 12 VDC 50 mA One load 9 120 mA Four W B load 8 digits 7 segment LCD 0 6 inch high with annunciators and backlighting 1to 10 display periods O ne two or five times per second Zero 066 uV C 10 to 40 C Zero 0 13 uV C 30 to 60 C Span 5 0 Span 10 ppm C 0 005 of capacity maximum 0 005 of capacity maximum 0 005 of capacity maximum Up to eight 350 ohm weigh bars 29 to 60 C 20 to 140 F 10 to 90 relative humidity 810 000 at 3 mV V 1 mV V 270 000
4. Ground TB1 3 Receive D ata from Printer Green Shield C hassis Ground 1 4 Data Terminal Reaty to Printer RS 232 RD 125 Serial Interface Connections Cable P N 46300 0026 15 RS 232 Interface Serial Interface 7 3 Board 46283 0019 f w 5 Main PC board bu 5 5 cm tte 5 1 To Main PC board To P7 Main PC board E A 1 4 ____ DC power Bec switch TY U I2VDC input 2 WIB 5 Alley Weigh Coarse z ro conn cable assy adjust OO 13 5 BOTTOM VIEW Figure 7 Model 815 with 2 5 Pin W eight Sensor Connectors 16 This page left intentionally blank Weigh Tronix 1000 Armstrong Dr Fairmont MN 56031 USA Telephone 507 238 4461 Facsimile 507 238 8283 e mail ag weigh tronix com www agscales com WEIGH TRONIX Weigh Bar is a registered trademark of Weigh Tronix Inc Weighing Products amp Systems
5. counts 30 times per second 0 14 to 3 5 mV V 00001 to 999999 programmable to any number between these limits 0001 to 20000 programmable to any division size between these limits 0 to 100 of capacity programmable independent positive and negative limits unit will not allow zeroing beyond capacity The unit may be configured to have pushbutton tare which can function as a scroll tare register Pushbutton tare and scroll tare may tare only positive gross weights up to the capacity of the unit Scroll tare allows numeric entry of a tare value using two keys to enter the value Programmable from 0 to 999999 divisions decimal entries are accepted W indow Programmable from 0 to 999999 divisions decimal entries are accepted Net Mode Tracking May be enabled or disabled Rate 0 2 division per second Starting D elay 2 seconds Second order correction provides smooth curve fit through three points zero linearity span Two section with 06 second time constant O ne section with 05 second time constant The Model 815 is a full function weight indicator enclosed in a Lexan case The indicator is powered by 12 VDC input voltage or by a 115 VAC to 12 VDC wall mount transformer A toggle switch on the base of the unit turns the Model 815 on and off This set of instructions is divided into the following sections Introduction O perations Mode Keyboard Indicator O peration Indicator D iagnostics O
6. diagram Press and hold MENU to go left in the diagram Press SELECT to go up and down in the diagram Press SELECT to select new choice and go up in the diagram Press G N at any time to save changes and return to gross net weighing mode To perform gross net weighing operations follow these steps 1 Power up the indicator Indicator powers up in gross or net mode 2 Ifthe unit is not in gross mode press the G N key once to get to gross mode The annunciator illuminates next to gross See Figure 2 3 Verify the scale is empty and zero the scale by pressing the ZERO key weight is displayed and the zero annunciator illuminates See Figure 2 4 Select unit of measure by pressing the UNITS button The units annunciator will point to the chosen unit of measure 5 Place weight on the scale Gross weight is displayed Net Weighing Pushbutton Tare Entering a Scroll Tare You may view the current or active tare value at any time during a weighing process From gross or net weighing mode press MENU then SELECT If a tare value is in use it will be displayed Press G N to return to gross net weighing mode Refer to Operations Menu on previous page Clearing the Active Tare For net weighing operations a tare needs to be entered A tare can be entered by two methods pushbutton tare or entering a numerical value while in the opera tions menu 1 With the scale empty and the indicator powered up in gross m
7. R P65 PN 29572 0015e1 Printed in USA Table of Contents of OntentS rm 3 1 enint ila 4 eters MEL 5 Operations it aed 5 Keyboard NE EE 5 Key FUNCHONG eoa per UE aA 6 Entering umbers with Arrow Ke amp ys sese nnne rennen 6 ip Col Cars Wed ottiene ict Us e coire eet c ned icu 7 Powering 7 7 Operations MIU ucc conecta 8 Gross Tare N et W eighing perations 8 Gross W eging ees Oo c ROS ne Ope OR Cue onis One Oe 8 MAP TINNY REL 9 9 Entering Scroll Tale 9 Clearing the Active Tare iic cca aai deat cia o Didot 9 N et Weighing Operation sessin D epp RR bes 10 Viewing and Setting Time ption 10 Viewing and Setting Date an 11 Enabling or Disabling D isplay POM I pO D 11 Transmitting
8. de This key also moves one space to the left any digit that has been scrolled in with the key Lets you scroll numerical values The arrow keys are used to enter numbers Refer to this section when you need to enter a number or numbers Example To key in the number 63 2 Press the T key repeatedly until the 6 appears on the display Press the lt key once to move the 6 one space to the left Press the T key until 3 appears Press the lt key once to move the 63 one space to the left Press the T key until the decimal point appears The decimal appears after the 9 as you scroll through the numbers with T key Press the lt key once to move the 63 one space to the left Press the T key until 2 appears Continue with instructions or press G N to return to normal weigh mode Indicator Operation Powering Up No annunciators appear while motion is detected Annunciators Annunciators The unit will power up in gross or net weighing mode depending on what mode the unit was in when last turned off All calibration zero gross and tare values will be maintained during power loss To turn the unit on and off use the toggle switch on the base of the indicator The indicator display Figure 2 tells you the status of the indicator through the appearance of annunciators The annunciators are small black arrows pointing to the different labels around the display face WEIGH TRONIX MODEL 815 SERIAL
9. e returns to gross mode and no weight is displayed Clearing the Active Tare cont Net Weighing Operation Viewing and Setting Time Option If you enter an incorrect digit press CLEAR to clear the display one digit at a time 10 W ith the gross or net annuciator illuminated press MENU then press CLEAR 2 Press the G N key 1 After atare is established place the indicator in net mode by pressing the G N key 2 Place material to be weighed in the tared container on the scale tArE is displayed then no tArE is displayed Gross weight is displayed and no tare is active N et annunciator illuminates Zero weight will be displayed with the container on the scale N et weight of material is displayed Your indicator must have the appropriate circuitry and be configured to allow the following 1 From gross net weighing mode press MENU repeatedly until 2 Press SELECT 3 To set the 12 hour clock press the T key to delete the old time value Key in the time as hh mm ss Refer to the section Entering Numbers with Arrow Keys Press the TARE key to toggle between AM amp PM after entering at least one digit and before pressing SELECT To set the 24 hour clock key in time as hh mm ss After the clock is set press SELECT to start the clock and return to operations mode menu or press G N to return to gross net weighing mode Hour is displayed In the 12 hour clock confi
10. guration you will see time displayed as hours minutes and A for A M or P for P M 09 40 A In the 24 hour clock you will see hours minutes and seconds 09 40 38 0 A or OP is displayed The A is for A M P for Hour is displayed and the clock begins at the new time setting Display returns to gross net mode and the clock begins at the new time setting Viewing and Setting the Date Option If you enter an incorrect digit press the ZERO CLEAR key to clear the display one digit at a time Enabling or Disabling Display Backlight Your indicator must have the appropriate circuitry and be configured to allow the following 1 From gross net weighing mode press MENU repeatedly until 2 Press SELECT 3 To change the date key in the new data Refer to the section Entering Numbers with Arrow Keys 4 Press SELECT to return to the operations mode menu or press G N to return to gross net weighing mode 1 From gross net weighing mode press MENU repeatedly until 2 Press SELECT 3 Press MENU to toggle between enabled or disabled 4 Press SELECT to return to the operations mode menu or press G N to return to gross net weighing mode dAY is displayed Depending on the configuration of your indicator you will see the date displayed in one of three ways month day year or day month year year month day The old date is replaced with the new date The date i
11. ing the RS 232 cable to the terminal board To access the terminal board 1 Remove power from the scale 2 Remove display enclosure from the mounting bracket by removing the four 1 2 10 32 capscrews securing the display case to the mounting bracket 3 Remove the two 3 8 10 32 capscrews securing the enclosure brackets and carefully pull the enclosure halves apart You may now access the terminal block TB1 which is located in the back half of the enclosure on the left hand side See Figure 6 on the next page To reassemble the Model 815 reverse the steps listed above making sure to reinsert the shorter capscrews in the middle position of the enclosure bracket RS 232 Interface Serial Interface 7 i Board 46283 0019 f D 5 8 Main PC board P5 wr To PII Main PC board 7 Main PC board amp Hat uor s ___ DC power J U switch 12VDC input Standard 7 pin conn cable assy weight sensor Coarse zero conn cable assy adjust BOTTOM VIEW Figure 6 Model 815 with 7 Pin W eight Sensor Connector RS 232 RD 125 Interface Connections Terminal Weigh Tronix Board Description Wire Color TB1 2 Transmit Data to Printer Rd TB1 1 Logic
12. ode zero the scale by pressing the ZERO key 2 Placethe weight to be tared on the scale 3 Pressthe TARE key on the indicator 4 Add more weight to the scale 5 View the gross weight by pressing the G N button 6 Pressthe G N key again to see net weight 1 From gross net weighing mode press the MENU key 2 Briefly press the SELECT key 3 With the current tare value displayed enter a numerical value for your tare Refer to the section Entering N umbers with Arrow Keys Then press the SELECT key 4 Pressthe G N key to return to gross net weighing mode weight is displayed and the zero annunciator illuminates The weight of the object is displayed The weight is tared the display reads zero and the net annunciator illumi nates N et weight is displayed Gross weight is displayed and the gross annunciator illuminates Net weight is displayed and the net annunciator illuminates tArE is displayed no tArE or the current tare value is displayed Y ou can toggle between no tArE and the current tare value by pressing the MENU key NOTE A tare value cannot be entered while no tArE is displayed You must press MENU before entering a tare value N ew tare value is displayed then tArE is displayed Display returns to gross or net mode There are two ways to remove the current or active tare weight A Remove all weight from the scale and press TARE Tare register is cleared scal
13. perations Mode O perations Mode contains all normal weighing operations In this mode you can view or set the following parameters if the unit is so configured pushbutton tare identification number time date backlight Time date and backlight can be secured behind a security code Parameters secured by the code number can be viewed but not changed unless you enter the security code Keyboard The keyboard consists of 7 keys Five keys or buttons provide all the basic weighing functions Tare Gross N et Zero Print Units The other keys are used to access the menus for purposes of accessing informa tion testing the indicator and configuration The keyboard is shown in Figure 1 Ed Ex ki 1 Model 815 Keyboard Key Functions Entering Numbers with Arrow Keys If at any time you enter an incorrect number press CLEAR to delete the number then re key Enters a pushbutton tare in gross net operation Accesses the gross weighing mode from any other function and activates the net weighing mode if a tare is active Zeros the scale in gross or net weigh mode This button also clears scrolled digits on the display before they are accepted CLEAR Sends a print command and is used to select menu items d SELECT Used to access menus and move among choices in a menu Changes the unit of measure during operations mo
14. s accepted and dAY is displayed The date is accepted and the display returns to gross net mode Light is displayed ENABLED or diSAbLEd is displayed Configuration choices made during setup of this unit will determine if the backlight is on constantly or if it varies according to ambient light levels Refer to the Service M anual The light selection is accepted and Light is displayed The light selection is accepted and the display returns to gross net mode 11 Transmitting Data Communication Protocol 12 RS 232 output is available for data transmission to a peripheral device If your indicator has a peripheral device connected from the gross net weighing mode press the PRINT key to transmit the selected output s The PRINT annunciator See Figure 2 will illuminate while data is transmitted and the data configured to be printed will be output to the printer See Figure 4 for asample printout Figure 4 shows what a Model 815 indicator programmed with factory default selections and attached to a compatible printer will print Header WETGH TRONTA Gross weight og 1888 1b Tare weight T 16606 lh H 8 1b Net weight Figure 4 Sample Model 815 Printout An enquire code can be sent to the Model 815 This will prompt the indicator to send a standard printout The default enquire code number is an ASCII decimal 005 This number can be changed in configuration The default setting
15. s for serial output are Busy Disabled Baud 9600 Parity Clear Stops 1 Indicator Diagnostics Test Mode The test mode is used to test various functions of the Model 815 The test menu is shown in Figure 5 Instructions for using the test menu are found below WEIGH MODE SEALED or UNSEALED TEST VERSION END part f dash number prefix amp revision DISPLAY BUTTONS A to D SERIAL END Display does tests self test buttons READY BUSY LOOP NO LOOP Figure 5 Test Menu 1 Enter the test mode from gross net operation by pressing and holding the MENU key until tESt is displayed SEALEd or unSEALEd is displayed briefly while you hold the key If you release the MENU key too soon press G N to return to normal weigh mode and begin again 2 Move to the right through the menu selections by pressing MENU briefly Move to the left through the menu selections by pressing MENU for 1 second or hold down for continuous scrolling 3 To move down a level in the hierarchy press SELECT Anytime you wish to get to the next higher level in the hierarchy press and hold SELECT for approximately 1 5 seconds or press SELECT whenever End is displayed 4 Press MENU to toggle between choices 5 Press G N to return to gross weighing opera
16. tion at any time 13 Wiring Connections 14 Below are the specific directions and explanations for the items you see in the test menu VERSION DISPLAY BUTTONS AtoD SERIAL Under version are the W eigh Tronix part number and revision number for the software found in your machine W eigh Tronix part numbers are divided into two parts the prefix and the dash number W ith diSPLAY displayed press SELECT and the bottom row of annunciators turns on Press SELECT again and a dynamic test is run Press MENU to stop the dynamic test or consecutively press MENU to step through the display test routine Press SELECT when the dynamic test is active to return the unit to diSPLAY W ith buttonS displayed press SELECT and an underscore will appear on the screen Press any key except MENU to check for proper key functioning After testing the buttons press MENU to return to the display Displays the analog to digital counts The span is normally 20000 counts per millivolt per volt W ith a calibrator at zero millivolts per volt the displayed value should be between 200 and 200 Tells you if the serial output is ready or busy A jumper connect ing pins 4 and 8 of the serial port will cause rEAdY to be dis played Pressing the MENU key puts LOOP or no LOOP on the display W ith pins 2 and 3 connected LOOP is displayed W ith them disconnected no LOOP is displayed Following are instructions for connect
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