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HI 1746-WS WEIGH SCALE MODULE OPERATION AND

1. 4 1 LEDS 4 2 Run Fault LED RR eb Sod egret 4 2 Comm LED 4 2 C2LED 4 2 Setting Up Communications Between the SLC and the Table of Contents HI 1746 WS Weigh Scale Module 4 2 Local Mode of Operation 4 3 Remote Mode of Operation 4 3 AboutM Files 4 3 Direct M File Mapping 4 3 Local Mode of Operation 4 3 Remote Mode of Operation 4 5 File Interface to Set Up for Local Mode of Operation 4 5 M File Data Structure Words 0 5 4 5 Logical File Interface to Set Up for Remote Mode of Operation 8 Word 4 6 About Logical Files 4 6 Command Word Encoding 4 7 Se 4 9 fee AS Eee 4 7 Bits 8 13 c9 muerte mue Re fet 4 7 BRS eee um emos Eee ies 4 7 Writing to the 32 Word Logical O and logical MO files 4 8 Command Word 4 8 Writing to the file 4 8 x
2. READWEIGHT Ladder Logic Example SBR B3 0 COP 0000 Subroutine OSR Move 1 Source 9 50 1 lt Dest 0 6 15 100 lt Move Source N9 51 1 lt Dest 0 6 16 60 lt COP 0001 Copy File Source 6 0 Dest 3N9 0 Length 25 RET 0002 Return 0003 END FIG 6 1 READWEIGHT LADDER LOGIC EXAMPLE LOCAL MODE OF OPERATION Block Transfer Read For Remote Mode Operation Block Transfer Read Ladder Logic Example Examples go to the Hardy Website http www har for Remote Mode dysolutions com and Click on Support Operation 6 6 Chapter 6 Operating Procedures Block Transfer Write WORD PARAMETER 0 Setpoint 1 MSW Value 32 bit float or integer 1 Setpoint 1 LSW Value 32 bit float or integer 2 Setpoint 1 MSW Deadband 32 bit float or integer 3 Setpoint 1 LSW Deadband 32 bit float or integer 4 Setpoint 1 MSW Preact 32 bit float or integer 5 Setpoint 1 LSW Preact 32 bit float or integer 6 Setpoint 1 Mode Bit Setpoint Mode 0 ROC Rate of Change 1 Gross 2 Net 3 Gain Mode 0 gain in wght 1 loss in wght 4 Force Low 5 Force High 6 Excitation Error 7 No Excitation Error 8 15 Currently Not Used 7 Setpoint 2 MSW Value 32 bit float or integer 8 Setpoint 2 LSW Value 32 bit float or integer TABLE 6 2 BLOCK TRANSFER WRITE 6 7 1746 WS WEIGH SCALE MODULE WORD PARAMETER 9 Setpoint 2
3. 4 16 HI WS100 Configuration Software Interface Remote Mode of Operation 4 18 Setting The Process Weighing Parameters 4 20 About the Ladder Logic Example 4 20 Weight Multiplier 4 20 SETPARAM GETPARAM Command and Non Volatile Memory 4 21 Possible Error Returns 4 21 Setting Parameters Ladder Logic Explanation 4 22 SETPARAMS Local Mode of Operation 4 23 SETPARAMS Remote Mode of Operation 4 24 Error Code List 4 28 Calibration Setup Procedures 4 28 Setting the Unit of Measure 4 28 Setting the Motion Tolerance Value 4 28 Setting the Zero Tolerance Value 4 29 Setting the Auto Zero Tolerance Value 4 29 Setting the Number of Readings Averages 4 29 Setting the Span Weight Value 4 29 Setting the WAVERSAVER Value 4 29 CHAPTER 5 CALIBRATION 5 1 A Brief Description of Chapter5 5 1 Pre Calibration Procedures 5 1 Electrical Check Procedures 5 2 Load Cell Point Input Output M
4. 1746 WS WEIGH SCALE MODULE OPERATION AND INSTALLATION MANUAL Series C PROCESS SOLUTIONS Corporate Headquarters 9440 Carroll Park Drive San Diego CA 92121 Phone 858 278 2900 FAX 858 278 6700 Web Site http www hardysolutions com Hardy Process Solutions Document Number 0596 0234 01 Rev H Copyright September 2011 Hardy Process Solutions Inc All Rights Reserved Printed in the U S A 941028 Hardy Field Service Local Field Service Hardy has over 200 field technicians in the U S and more positioned throughout the world to assist you in your support needs We also have fac tory engineers who will travel to your facility anywhere in the world to help you solve challenging applications We re ready to support you with Installation and start up Routine maintenance and certification Plant audits and performance measurement Emergency troubleshooting and repair To request Emergency Service and Troubleshooting Start up Installation Calibration Verification or to discuss a Maintenance Agreement please call 800 821 5831 Ext 1757 or Emergency Service after hours Standard Hours 6 00 AM to 6 00 PM Pacific Standard Time and weekends Ext 1111 Outside the U S Hardy Process Solutions has built a network of support throughout the globe For specific field service options available in your area please contact your local sales agent or our U S factory at 1 858 292
5. 180 c 1 15 5 11 1746 WS WEIGH SCALE MODULE This rung sets up the command word to read from the logical Command word bits 15 14 10 The 19 in word N9 2 indicates that we want to read LSW of the gross weight and it will be returned in N9 10 818 0 EQU 0008 Not Equal MOV 15 Source 10 Clear Dest B1 amp 0 0000000000000000 lt FIG 5 6 C2 LADDER LOGIC EXAMPLE REMOTE MODE OF OPERATION Hard Calibration Hard Calibration is the traditional method of calibra tion that uses test weights Hardy recommends that the test weights total 80 to 100 of the scale capacity Hard Calibration Step 1 Check to be sure that the parameters have Ladder Logic been setup for your weighing process See Example Chapter 4 Setup Step 2 We have provided a Ladder Logic example explaining how to set the weigh process parameters The Ladder Logic example is meant to provide a ladder logic model only Your application may vary and the example may or may not meet your requirements Step 3 Hard Calibration Ladder Logic Exam ple is located at the Hardy Web Site If you have access to the Internet Type the following URL www hardyso lutions com Click on the Support button Click on Sample Programs Chapter 5 Calibration d Click on the pull down menu for the product you are calibrating e Click on the Ladder Logic
6. 5 Module Status Bit A D Failure Tare Enabled Zero Enabled Weight in Motion No Calibration Excitation Monitor Error 11 13 Currently Not Used 14 Command Error 14 amp 15 Currently Not Used A D Conversion Error Weight in 165 0 kgs Zero Tracking Enabled Non Volatile RAM Failure 0 Communication Timeout 16 Relay Status 17 Firmware Revision 18 Gross Weight 32 bit float or integer MSW 19 Gross Weight 32 bit float or integer LSW 20 Net Weight 32 bit float or integer MSW 21 Net Weight 32 bit float or integer LSW 22 RoC Rate of Change 32 bit float or integer MSW 23 RoC Rate of Change 32 bit float or integer LSW 24 RoC Evaluation Period 6 4 TABLE 6 1 BLOCK TRANSFER READ Chapter 6 Operating Procedures WORD PARAMETER 25 Increments on each weight update about 110 times a second 26 31 Currently Not Used TABLE 6 1 BLOCK TRANSFER READ Block Transfer Read Example For Local Mode Only READWEIGHT Explanation of the Rung 0 Downloads the weight and rate multipliers READWEIGHT one time Example Rung 1 Setpoint Status Weight and Rate of Change are copied from the input file for access 6 5 1746 WS WEIGH SCALE MODULE
7. The HI 1746 has two factory installed jumpers If your application is not using C2 load cells do not remove the factory installed jumpers If your appli 3 7 1746 WS WEIGH SCALE MODULE cation requires load cells cables that are less than 50 ft you must leave the jumpers installed or connect the sense lines one or the other If your application calls for load cell cables over 50 ft or you are using C2 load cells remove the jumpers and connect the sense lines The jumpers or sense lines must be installed at all times WARNING Load cell cable length has been calcu lated into C2 calibration data Hardy recommends that you DO NOT CUT your Advantage or Advantage Lite load sensor cable as your C2 accuracy will be affected and the warranty will be voided Industry Standard Load Cells 1151 2 816 N Z 7 N 4 SHIELD FIG 3 7 INDUSTRY STANDARD LOAD CELLS WIRING DIAGRAM 3 8 Hardy Load Sensor with C2 Hardy HI 215IT Junction Box NOTE Chapter 3 Installation C2 SHIELD FIG 3 8 HARDY LOAD SENSOR C2 WIRING DIAGRAM dg 2 gt SIG 4 SIG HI 215 IT JUNCTION BOX SHIELD FIG 3 9 HARDY HI 21517 JUNCTION BOX WIRING DIAGRAM When connecting the Hardy HI 215IT Junction Box you must remove the two factory installed jumpers that are conne
8. Chapter 4 Setup Sets the range of weights so that the Zero Command works as an offset of the calibrated Zero When the Auto Zero Tolerance is entered and Auto Zero Tracking is enabled any weight within the entered tolerance of zero and within the Auto Zero Tolerance of the calibrated zero point with the scale not in motion will cause the display to automatically read zero There is a short time delay at least I second before the Auto Zero Triggers The amount of weight zeroed off is cumulative The zero command will fail if the current gross weight plus any previously zeroed amount exceeds the zero tolerance The Number of Averages sets the number of weight readings which will be used to compute the displayed weight The average is a sliding average so that a new average reading is available for display at every reading The Span Weight is a reference point derived from an actual measured weight This should not be confused with the Scale Capacity If you have a 100 pound weight and you place it on the scale the Span Weight would be 100 pounds There are 5 selectable levels 0 provides the least vibration immunity with the fastest response time 4 provides the most vibration immunity with the slow est response time Default setting is 2 Immunity Setting 7 5 Hz 0 3 5 Hz 1 1 0 Hz 2 0 5 Hz 3 0 25 Hz 4 4 29 1746 WS WEIGH SCALE MODULE 4 30 Chapter 5 Calibrat
9. Deadband 32 bit float or integer 10 Setpoint 2 Deadband 32 bit float or integer 11 Setpoint 2 Preact 32 bit float or integer 12 Setpoint 2 Preact 32 bit float or integer 13 Setpoint 2 Mode Bit Setpoint Mode 0 ROC Rate of Change 1 Gross 2 Net 3 Gain Mode 0 gain in wght 1 loss in wght 4 force low 5 force high 6 15 Currently Not Used 14 Weight Functions Bit Weight Functions 0 Zero 1 Tare 2 Write Non Volatile 3 Apply Settings 4 Reload Non Volatile 5 Cal Low Cmd 6 Cal High Cmd 7 C2 Cal Cmd 8 15 Currently Not Used 15 Weight Multiplier 16 ROC Multiplier 17 31 Currently Not Used TABLE 6 2 BLOCK TRANSFER WRITE 6 8 Block Transfer Write Ladder Logic Example for Remote Mode Operation Chapter 6 Operating Procedures For Remote Mode Operation Block Transfer Write Examples go to the Hardy Website http www har dysolutions com and Click on Support 6 9 1746 WS WEIGH SCALE MODULE Index Index Symbols THE BUTTON C2 Calibration 5 5 Numerics 32 Word I and O Files 4 6 A A Brief Description of Chapter 1 1 1 A Brief Description of Chapter 2 2 1 A Brief Description of Chapter 3 3 1 A Brief Description of Chapter 4 4 1 A Brief Description of Chapter 5 5 1 A Brief Description of Chapter 6 6 1 About C2 Calibration 5 4 About Hardy Manuals 1 2 About Logical Files 4 6 About M Files 4 3 About the Ladder Logic Example 4 20 About th
10. Common Mode Rejection 2 2 Common Mode Voltage Range 2 2 Configuration Software for Windows 2 3 Conversion Rate 2 1 Customer Support Department 1 2 D Data Locations Used for Ladder Logic Examples For Local Mode of Operation Only 5 6 Default Parameters 2 4 Description 1 2 DH 1 3 DH 485 1 3 Digital TTL Transistor Transistor Logic Level Outputs 1 6 Digital Volt Meter DVM 1 5 Digital Voltmeter 2 3 Direct M File Mapping 4 3 DVM Readings 1 5 E Electrical Check Procedures 5 2 Enclosure Rating 2 3 Enclosure Ratings 2 3 Environmental Requirements 2 2 Error Code List 4 28 Ethernet 1 3 Excitation Monitor 1 4 1 6 2 1 Executable Command 4 5 Executable Command List 4 9 Explanation of the READWEIGHT Example 6 5 F Failed Return to Zero Test 1 5 Filling Dispensing 1 3 Float Integer to Integer Conversion Command FLOAT2INT 4 11 For Example 4 8 4 9 Force Off 1 6 HI 1756 WS MANUAL Force On 1 6 G Get Parameters Command GETPARAM 4 15 Gross 1 6 H Hard Calibration 5 12 Hard Calibration Ladder Logic Example 5 12 Hardy HI 215IT Junction Box 3 9 Hardy Instruments Website http www hardyinst com 6 9 Hardy Load Sensor with C2 3 9 Hardy WS 100 Configuration Software 3 10 HI 215IT Junction Box 3 6 HI WS 100 Configuration Software 1 1 HI WS100 Configuration Software Interface Remote Mode of Opera tion 4 18 Humidity Range 2 2 I Setup Ladder Logic for Remote Mode Operation 4 16 Industry Sta
11. Junction Box HI 215IT FG Series 2 3 Case Dimensions 2 3 Weight lt SS eee ee Se Bad Spec 2 3 Enclosure Rating 2 3 Configuration Software for Windows 2 3 Default Parameters 2 4 CHAPTER 3 INSTALLATION 3 1 A Brief Description of Chapter3 3 1 Unpacking SR 3 1 Installing the HI 1746 WS into an Allen Bradley SLC 500 Processor or Allen Bradley Remote Rack 3 1 Setting the Jumper for Local or Remote Mode of Operation 3 2 Installing the HI 1746 WS into the SLC 500 or Remote Chassis 5 toss ee een Sey eyes So 3 3 Removing the Module from the SLC 500 or Remote Chassis 3 5 Installing the Module I O Connector 3 6 About the Module I O Connector 3 6 Load Cell Wiring Diagrams 3 7 Industry Standard Load Cells 3 8 Hardy Load Sensor with C2 3 9 Hardy HI 215IT Junction Box 3 9 Installing the Hardy Configuration Software Optional 3 10 CHAPTER 4 SETUP 4 1 A Brief Description of Chapter 4 4 1 Power Check
12. cumulative The zero command will fail if the current gross weight plus any previously zeroed amount exceeds the zero tolerance The HI 1746 WS is equipped with two 2 standard Digital TTL Transistor Transistor Logic Level Outputs which can be connected to external solid state relays Both outputs have individual set point preact and deadband parameters Both outputs are rated at 10 milliamps per line Each can be programmed to respond to the standard Net Gross Rate of Change ROC Excitation Monitor Force On or Force Off mode of operation Chapter 2 Specifications CHAPTER 2 SPECIFICATIONS A Brief Description of Chapter 2 Specifications for a Standard HI 1746 WS Weigh Scale Module Modes of Operation Conversion Rate Averages Resolution Input Non Linearity Maximum Zero Tolerance WAVERSAVER Excitation Monitor Chapter 2 lists the specifications for the HI 1746 WS Weigh Scale Module Specifications are listed for the standard instrument and for optional equipment The specifications listed are designed to assist in the installation operation and troubleshooting of the instrument All service personnel should be familiar with this section before attempting an installation or repair of this instrument Local and Remote 20 updates per second 1 255 User Selectable in single increments Displayed 1 985 000 3 mV V 1 656 000 2 mV V Internal 1 1 048 576 Up to eight 8 350 oh
13. e NOTALLOWED the TareEnable parameter is not set to true e STATUSWORD means the command failed because the weight was not stable in motion or there was an A D error SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From MI File 2 Write Non Volatile The Write Non Volatile Command causes all param Command eters including calibration constants to be saved to WRITENONVOLA the non volatile memory TILE Error Return Values None SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From MI File 4 Reload Non The Reload Non Volatile Command causes the Volatile weigh module to re read the values stored in its non RELOADNONVOL volatile memory Any parameters changed since the ATILE last write non volatile command are overwritten this command can be used to abort a calibration or param eter entry session Error Return Values None SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From MI File 0x10 1746 WS WEIGH SCALE MODULE Float Integer to Integer The Float Integer Conversion Command converts a floating point number into an integer format For use Conversion Command FLOAT2INT with the SLC 5 02 Data Input Values 6 bytes a four byte float and a two byte integer Return Value 4 byte long integer equal to the float multiplie
14. lt 0 lt Source 10 40 Source B 0 799 lt lt 2 B32 U 5 83 2 4 RET Return END FIG 5 5 C2 LADDER LOGIC EXAMPLE LOCAL MODE OF OPERATION 5 10 Chapter 5 Calibration C2 Calibration Ladder Logic Example For Remote Mode of Operation Only This file wil do C2 Calibration o he modulo and Save CAL Bit N9 0 0 initiates the transtor This rung sets up read of the logical M1 file to get the sequence number 8180 0000 99 Move 12 Source 16384 16384 lt N91 iiie gt 818 0 13 This rung copies the SEQ to 9 2 command 102 C2 CAL Command fo 9 3 and sets the command word fo bits 15 14 11 13 8 2 7 0 0 This says 2 words to file starting at location Q 818 0 EQU 0001 Equal Copy File 13 Source A N93 Source N9 10 18183 lt Dest 2 SouceB N93 Length 1 16384 lt MOV Move Source 102 102 lt Dest 9 3 52 lt MOV Move Source 15872 15872 lt Dest 16384 lt N9 0 L 0 B18 0 o This will do command 4 write non volatile to save the new CAL Ei 818 0 EQU 215 cop 0002 Equal 99 Copy File 14 Source A N99 1 Source 9 10 18183 lt Dest 9 2 Source Length 1 16384 lt MOV Move Source 4 he Dest N9 3 52 lt N8 0 L 0 18 0 13
15. of Operation NOTE M File Interface to Set Up for Local Mode of Operation CAUTION M File Data Structure Words 0 to 5 Chapter 4 Setup For 1746 modules used in the remote chassis direct mapping of the parameters to the M files is also avail able You can write to a specific location in the MO file do a single Executable command such as com mand 4 to write non volatile and the 1746 will pick up the change and apply it to the weigh module and reflect the change in the M1 file After making the change you need to save it to non volatile memory The 1746 module is limited to 8 words total for any read or write at any time so you are limited to chang ing a maximum of 7 words at a time The mapping is the same as listed above for the local chassis THIS SETUP INFORMATION IS FOR THE LOCAL MODE OF OPERATION ONLY BEFORE SETTING UP FOR LOCAL MODE OF OPERATION CHECK TO BE SURE THE JUMPER IS SET FOR LOCAL MODE AND THAT THE MODULE IS INSTALLED IN A LOCAL SLC CHASSIS SEE CHAPTER 3 PG 3 2 FOR MORE INFORMATION 0 Sequence Number sequenceNum is used to control the flow of commands to the HI 1746 WS module in order to prevent duplicate or invalid commands To write a command to the module the processor must copy the current sequence number from the M1 file to the MO file When the module performs the requested command it writes the response into the M1 file incrementing the sequence number by 1 To get the
16. parameter multiplied by the WEIGHTMULTIPLIER The value returned will be pounds or kilograms depending on the value of the Metric Parameter If the WEIGHTMULTIPLIER is zero the dataString value returned will be a floating point integer If using a multiplier setpoint data to and from the I O tables is limited to three 3 decimal places The parameters set using the SETPARAM command are not automatically saved to non volatile memory A separate command is required WRITENONVOL ATILE 4 Some parameters are not automatically used by the weigh module because they are normally used only at start up The command to save parameters to non vol atile memory does cause a re initialization so that the parameters will then be active OUTOFTOLERANCE is returned if an incorrect value is entered to a parameter INDEXOUTOFRANGE is returned if no parameter corresponds to the offset specified 4 21 1746 WS WEIGH SCALE MODULE 4 22 Setting Parameters Ladder Logic Explanation Rung 0 Rung 1 Rung 2 Rung 3 Rung 4 Rung 5 Does an initial read of the M1 file This is necessary to get the sequence number for future writes Loads data into the write location ready to write The data required is Sequence Number Command Number Parameter Offset Parameter Value Checks to see if the data was loaded from the previous rung then writes to the MO file Reads the M1 file for the respon
17. the HI 1746 WS has no M files Instead the module contains files that correspond to the 32 word I and O files used when the module is in the local mode of operation These files are referred to as Logical MFiles Logical MFiles perform the function of the I O and M files used in the local mode of operation but are not directly acces sible through the SLC backplane See Fig 4 2 e O Output e I referenced to the CPU Command Word Encoding Bits 15 amp 14 NOTE Bits 8 13 Bits 0 7 Chapter 4 Setup Primary Rack Remote Rack T lt gt 24 o lt gt 1747SN 1746WS Scanner Weigh Scale Module Module FIG 4 2 PRIMARY AND REMOTE COMMUNICATION DIAGRAM You may write up to 7 words at a time to either the Logical O file or the Logical MO file Word 0 of the 8 word output file is used to specify where words 1 7 go in either the logical O or MO file is called the Command Word Word 0 of the I file will always be a copy of the Command Word 11 write 0 to 7 words to the logical MO file Read 7 words from the M1 file You need to run any command through M files before previous writes take effect 01 write 0 to 7 words to the logical O file Read configured I 10 configure 0 to 7 words for the I file return con figure 7 words to read from Logical I file 00 the configured I file returned Number of words to write to the logical MO
18. tions Department or Customer Support Department at Hardy Process Solutions Inc The HI 1746 WS Weigh Scale Module is a self con tained microprocessor based I O module with control inputs and outputs that is designed to be easily plugged into the back plane of an Allen Bradley SLC 5 02 5 03 5 04 or 5 05 programmable controller and or Remote Rack The HI 1746 WS Weigh Scale Mod ule can be configured to operate as either a local or Chapter 1 Overview WAVERSAVER remote module The HI 1746 WS module can be used for a wide variety of process weighing applications such as batching blending filling dispensing check weighing force measurement level by weight and weight rate monitoring The module can control two 2 relays via two 2 TTL level outputs and transmits data via the back plane to the SLC The 20 bit analog to digital converter in the weigh module controller updates twenty 20 times per second and is capable of 985 000 counts of display resolution This gives the instrument the ability to tolerate large dead loads over sizing of load cells sensors and still have suffi cient resolution to provide accurate weight measure ment and control The HI 1746 WS module is set up by using the SLC 500 AI Series RS Logix500 Industrial Programming Software for Windows 95 98 NT or the optional Hardy Windows 95 98 NT HI WS100 Configuration Software The software config uration applications must be installe
19. 0 0000 0111 would indicate a write of 2 words to the logical O file starting at offset word 7 Data to be written to the MO or O files Number of words determined by setup of Command Word Reading from the 32 Word Logical and logical M1 files Command Word Bits 15 14 set to 10 For Example Bits 15 14 set to 11 For Example Bits 15 14 set to 01 NOTE Bits 15 14 set to 00 Chapter 4 Setup Reads are all done in the I file not to be confused with the logical I file Word 0 will always be a copy of the Command Word Words 1 7 of the I file can be configured to read up to 7 words from either the Logical M1 or the Logical I file you cannot read from both at the same time Allows the user to specify what words up to 7 from the logical I file to appear in words 1 7 in the I file If bits 15 14 are set to 10 in Command Word and words 1 7 of the file are 18 19 20 21 16 15 24 The return in the I file words 0 7 would be in order Command Word gross weight MSW gross weight LSW net weight MSW net weight LSW relay status module status and ROC evaluation period When written to the logical file will cause the I file to reflect the words at the same starting offset in the logical M1 file as specified in bits 7 0 If 2 words are written to the logical MO file starting at offset word 28 then offset words 28 and
20. 00 lt 1 lt Dest M0 6 0 Source B N10 40 Source 10 45 Length 7 2799 lt 0 lt 83 0 1 gt 4 833 UL 2 PI COP 0003 1 E Copy File 4 Source 1 6 0 Dest 1 0 Length 3 83 0 NEQ EQU 83 0 0004 Not Equal Equal 9 Source A 10 0 Source A 102 3 2800 lt 0 lt Source N10 40 Source B 0 B3 0 2799 0 lt U 4 83 0 L 5 88 0 NEQ NEQ B 0005 Not Equal Not Equal 100 N10 2 3 2800 lt 0 lt Source N10 40 Source B 0 83 0 2799 0 lt gt 4 B3 0 L gt 2 FIG 4 4 SETPARAMS LADDER LOGIC EXAMPLE LOCAL MODE 4 23 1746 WS WEIGH SCALE MODULE SETPARAMS Remote Mode of Operation This file downloads single as well as multiple parameters to the logical file It does a save at the end that causes the unit to utilize the enw parameters For all writes to the logical file bits 15 14 of command word will be 11 Bits 13 8 will indicate the number of words bits 7 0 will indicate the offset location in the M file for that parameter This rung sets up and copies the metric setting to the logical MO file 818 0 COP 0000 99 Copy File 1 Source 411724 Dest N9 2 Length 1 MOV Move Source 16076 16076 lt Dest 1 16384 0 0 B180 L 2 This rung copies the WAVERSAVER value into logical file B18 0 E
21. 000 pounds the load cell point will be 10 mVDC at 1000 pounds 7 5 mVDC at 750 pounds 5 mVDC at 500 pounds and so on A zero reference point will vary from system to system depending on the Dead Load of the vessel Dead Load is the weight of the vessel and appurte nances only with no product loaded In our example we will assume the dead load to be 500 pounds See Fig 5 2 M 1 DEAD LOAD 500 lt I ZERO REFERENCE 3 2 7 UM 4 MAXIMUM LOAD CAPACITY 250 500 750 1000 WEIGHT IN POUNDS FIG 5 2 MILLIVOLTS WEIGHT SCALE 5 3 1746 WS WEIGH SCALE MODULE f Based on the example the operating range for this scale is 5 10 mVDC with 500 pound weight range Understand that after zeroing the instrument the 0 reading refers to the zero reference point and not absolute 0 mVDC or absolute 0 weight NOTE Load cell point measurements are checked with a dig ital volt meter at the J2 connector on the front of the module or by using INTEGRATED TECHNICIAN with the HI 21517 Junction Box Load Check Step 1 Place a load weight on the scale or ves sel Step 2 Check to see if the weight reading changes on the ladder logic display in the proper direction e For example If the ladder logic dis play reads 100 pounds and a 20 pound weight is placed on the vessel or scale the ladder logic display should read 120 or some value
22. 2710 Ext 1757 Table of Contents Table of Contents TABLE OF CONTENTS TABLE ILLUSTRATIONS CHAPTER 1 OVERVIEW 1 1 A Brief Description of Chapter1 1 1 About Hardy Manuals 1 2 Description 1 2 WAVERSAVER 1 3 COP Calibration bene eus 1 4 9 1 4 Excitation Monitor 1 4 Digital Volt Meter DVM Optional 1 5 Return to Zero Test Optional 1 5 Weighing System Tests Optional 1 5 Auto Zero Tracking 1 6 Set Point TTL Outputs 1 6 CHAPTER 2 SPECIFICATIONS 2 1 A Brief Description of Chapter2 2 1 Specifications for Standard 1746 WS Weigh Scale Module 2 1 Modes of Operation 2 1 Conversion Rate 2 1 Averages ss Ses Sume ELS Se Se ee esis 2 1 5 ter ere sect 2 1 LL Bie c 2 1 Non Linearity 2 1
23. 29 of the log ical M1 file would appear in words 1 and 2 of the I file For a write will cause the I file to reflect the words previously selected to read using the 10 setting The selected words to read are not necessarily the ones being written to using the O1 setting Returns the configuration set up with the 10 com mand After an input byte is configured the 1746 will remember the configuration as long as it has power The Configuration is lost after you power down 4 9 1746 WS WEIGH SCALE MODULE Executable Command List CAUTION Zero Command ZEROCMD ALWAYS PERFORM A READ COMMAND FIRST BEFORE THE WRITE COMMAND EVERYTIME TO GET THE CORRECT SEQUENCE NUMBER SEE THE SET PARAMS EXAMPLE RUNG 0 FOR THE LAD DER LOGIC The Zero Command requests that the current gross weight be set to zero Error Return Values NOTALLOWED the ZeroEnable parameter is not set to TRUE 1 OUTOFTOLERANCE the current weight value is beyond the limits set by the zero tolerance parameter STATUSWORD the command failed because the weight was not stable in motion or that there was an A D error of some kind SEQ NUMBER 0 COMMAND Hex 1 STATUS OFFSET LENGTH DATA 2 3 4 5 16 From MI File 1 Tare Command TARECMD 4 10 The Tare Command requests the current net weight be set to zero Chapter 4 Setup Error Return Values
24. 5IT Junction Box IT Junction Box 215IT SS or PS Series Case Dimensions Weight Enclosure Ratings IT Junction Box HI 215IT FG Series Case Dimensions Weight Enclosure Rating Configuration Software for Windows Chapter 2 Specifications UL Certification cUL Certification CE Approval Accuracy 2 of full scale Resolution e mV V 4 digits to the right of the decimal e mV 1 digit to the right of the decimal 6 25 H x 6 25 W 4 50D 158 75mmH x 158 75mmW x 114 3mmD 5 pounds 2 27 Kilograms SS Stainless Steel NEMA 4 amp 4X PS Painted Carbon Steel NEMA 4 6 50 H x 8 0 W x 4 46 D 165 1mmH x 203 2mmW x 113 28mmD 5 pounds 2 27 Kilograms FG Fiberglass NEMA 4 amp X Hardy s Configuration Software for Windows allows the user to configure monitor and troubleshoot an HI 1746 WS module and load points from any PC with an installed Windows 95 98 or NT operating system 2 3 1746 WS WEIGH SCALE MODULE Default Parameters Table 2 1 Parameter Default Setting Tare Weight 0 0 Ibs WANERSAVER 1 Hz 2 Weight Units Ibs 0 Span Weight 10 000 0 Ibs Averages 10 Auto Zero Tracking Enabled False 0 Tare Enabled True 1 Zero Enabled True 1 Calibration Type No Calibration 1 Setpoint Mode 1 amp 2 Force Low 0x12 Gross Setpoint Value 1 amp 2 10000 0 Ibs Setpoint Deadband 1 amp 2 0 1 Ibs Setpoint P
25. C2 WIRING DIAGRAM 3 9 FIG 3 10 HARDY HI 215IT JUNCTION BOX WIRING DIAGRAM 3 9 CHAPTER 4 SETUP 4 1 FIG 4 1 MODULE LEDS 4 2 FIG 4 2 PRIMARY AND REMOTE COMMUNICATION DIAGRAM e 4 7 FIG 4 3 SETUP FOR REMOTE MODE OF OPERATION 4 18 FIG 4 4 SETPARAMS LADDER LOGIC EXAMPLE LOCAL MODE Ries Ste er ER 4 23 FIG 4 5 SETPARAMS LADDER LOGIC EXAMPLE REMOTE seen we ee 4 27 CHAPTER 5 CALIBRATION 5 1 FIG 5 1 PROPERLY INSTALLED LOAD CELL W NO BINDING 5 2 FIG 5 2 MILLIVOLTS WEIGHT SCALE 5 3 FIG 5 3 THE BUTTON C2 CALIBRATION 5 5 5 4 RE guis 5 6 FIG 5 5 C2LADDER LOGIC EXAMPLE LOCAL MODE OF 5 10 FIG 5 6 C2 LADDER LOGIC EXAMPLE REMOTE MODE OF OPERATION 5 12 CHAPTER 6 OPERATING PROCEDURES 6 1 FIG 6 1 READWEIGHT LADDER LOGIC EXAMPLE LOCAL MODE OF OPERATION 6 6 1746 WS WEIGH SCALE MODULE II Chapter 1 Overview CHAPTER 1 OVERVIEW A BRIEF DESCRIPTION OF CHAPTER 1 NOTE NOTE This manual provides the user and service personnel with a description of the specifications installation setup configuration operation communication maintenance and troubleshooting pro
26. EN 12 Timer 140 Time Base 10 Preset 15 lt lt 002 Accum 0 lt 140 4 0 009 RES DN B3 1 U B31 12 B3 1 L 13 E cop ono I F Copy File 13 Source 1 6 0 Dest 100 Length B31 L 14 83 1 EQU B34 0011 not Equal U 14 Source N10 0 Source A N10 2 13 2800 lt 0 lt Source N10 40 Source B 0 2799 lt 0 lt 4 B3 1 0 14 6012 831 NEQ NEQ 831 Not Equal Not Equal lt gt 14 Source N10 0 Source N10 2 13 2800 lt 0 lt Source B N10 40 Source B 0 83 1 2799 0 lt 10 B3 U 14 1746 WS WEIGH SCALE MODULE 83 2 ae E Copy File 4 Source N10 0 Dest 10 40 Length 1 MOV Move Source 4 4 lt Dest N10 41 101 lt B32 5 83 2 EQU cop 0014 Equal Copy File 5 Source A N10 41 Source Ni0 40 101 lt Des 060 Source B 4 Length 2 4 lt 832 L 6 832 4 B3 2 cop 0015 FJ E Copy File 6 Source M1 6 0 Des N10 0 Length 3 832 NEQ NEQ 832 0016 Not Equal Equal U 5 Source A N10 0 Source 1102 6 2800 0 lt Source B N10 40 Source B 0 2799 0 lt 2 U 5 833 lt 2 83 3 0 3 83 2 lt 7 83 2 NEQ EQU B 32 0017 Not Equal Equal SouceA N10 0 SouceA 02 6 2800
27. ERATION IN FIG 3 2 JUMPER LOCATION JUMPER SET IN THE DEFAULT OFF LOCAL MODE POSITION Step 1 Make sure that the module is oriented cor rectly for installation See Fig 3 3 3 3 1746 WS WEIGH SCALE MODULE 3 4 FIG 3 3 POSITIONING THE MODULE FOR Step 2 Step 3 Step 4 Step 5 INSTALLATION Gently slide the module into the SLC or Remote Chassis Slide the digital board between the PCB Guides on the top plate and bottom plate of the chassis to line up the module con nector with the backplane connector When the module connector is touching the backplane connector firmly but care fully push toward the chassis until the pins are plugged in and the Processor Releases both top and bottom are snapped into place See Fig 3 4 amp 3 5 The installation is complete Chapter 3 Installation Top and Bottom Module Release s PCB Guide FIG 3 4 MODULE RELEASE S FIG 3 5 MODULE INSTALLED IN SLC CHASSIS Removing the Module Step 1 Press down on the top and bottom Proces from the SLC 500 or sor Releases simultaneously until the mod Remote Chassis ule can be pulled away from the chassis See Fig 3 4 3 5 1746 WS WEIGH SCALE MODULE Installing the Module O Connector 3 6 About the Module Connector Step 2 Pull the module out of the Chassis Step 3 Store in a safe secure location in an anti static bag or the orig
28. Example for the HI 1746 WS Weigh Module Hard Calibration Step 4 If you do not have access to the Internet call your local Hardy representative or Hardy Customer Support and we will for ward you a hard copy of the calibration ladder logic explanation and ladder logic example 5 13 1746 WS WEIGH SCALE MODULE Chapter 6 Operating Procedures CHAPTER 6 OPERATING PROCEDURES A Brief Description of Chapter 6 CAUTION Block Transfer Read All information contained in Chapter 6 pertains to the operation of the HI 1746 WS Weigh Scale Module The Operating Procedures include Writing and Read ing data transferred between the ControlLogix PLC and the weigh scale module The data is defined as either Read Data including Module Status words indicating the current state of the module from the weigh scale module or Write Data sent to the module It is very important that the user be familiar with this chapter before operating the weight scale module THE OPERATING PARAMETERS ARE DIF FERENT FOR THE LOCAL MODE AND THE REMOTE MODE BE SURE YOU LOOK IN THE CORRECT SECTION FOR THE CORRECT PARAMETERS WORD PARAMETER 0 Setpoint 1 MSW Value 32 bit float or integer 1 Setpoint 1 LSW Value 32 bit float or integer 2 Setpoint 1 MSW Deadband 32 bit float or integer 3 Setpoint 1 LSW Deadband 32 bit float or integer 4 Setpoint 1 MSW Preact 32 bit float or integer 5 Se
29. Maximum Zero Tolerance 2 1 2 1 Excitation Monitor 2 1 Common Mode Rejection 2 2 Common Mode Voltage Range 2 2 Backplane Input Voltage 2 2 Backplane Current Load 2 2 Power soa Dens Rese nes ver die rye ee 2 2 C2 Calibration Input 2 2 Cable lengths 2 2 Load Cell Excitation 2 2 C2 Calibration Output 2 2 Set Point 1 amp 2 Out 2 2 Environmental Requirements 2 2 HI 1746 WS WEIGHT SCALE MODULE Temperature Coefficient 2 2 Operating Temperature Range 2 2 Storage Temperature Range 2 2 Humidity Range 2 2 Approvals oe 2 3 Digital Voltmeter 2 3 Optional Equipment 215IT Junction Box 2 3 IT Junction Hl 215IT SSorPS Series 2 3 Case Dimensions 2 3 Weight chee Suds eese Satie 2 3 Enclosure Ratings 2 3 IT
30. QU 0001 Equal Copy File 2 Source 9 Source N17 25 18183 lt Dest N92 SouceB Length 1 16384 MOV Move Source 16075 16075 Dest 1 16384 lt 0 0 180 L gt 3 This rung loads a New Zero Tolerance 8180 EQU 0002 lt Equal Copy File 3 SouceA N99 Source N17 18 18183 lt Dest N9 2 SourceB 1 Length 2 16384 MOV Move Source 15826 15826 lt Dest N9 1 16384 lt N9 0 L 0 N18 U gt 13 818 0 4 4 24 Chapter 4 Setup This rung loads the New Motion Tolerance 18 0 EQU COP 0003 Equal Copy File 4 9 Source 17 22 18183 lt Dest N9 2 SourceB 1 Length 2 16384 lt MOV Move Source 15822 15822 lt Dest N9 1 16384 lt This rung loads New Number of Averages SE EQU COP 0004 Equal Copy File I 5 SouceA 9 Source 17 26 18183 Dest 1922 SourceB Length 1 16384 lt oe MOV Move __ Source 16074 16074 lt Dest N9 1 16384 lt 89 0 L 0 B18 0 4 18 0 L 6 This rung loads Multiple parameters at once This rung loads Setpoint 1 Deadband 1 and Preact 1 NOTE Parameters must be consecutive in the M File Mapping meo EQU COP 0005 Equal Copy File 3 6 SouceA 9 Sourc
31. RTICAL MOVEMENT AND MAY PRE VENT THE INSTRUMENT FROM RETURNING TO THE ORIGINAL ZERO REFERENCE POINT load cell must be mounted in such a way that 100 of the load Vessel w 5 1 1746 WS WEIGH SCALE MODULE Contents is vertically passed through a load cell See Fig 5 1 b Check to see that nothing is binding the load cell This means that nothing is draped across the scale vessel or the load cell such as a hose electrical cord tubes or other objects c Check to see that nothing is coming in contact with the scale vessel other than service wires and piping that have been properly mounted with flexible connec tors Direction of the applied load Vessel FIG 5 1 PROPERLY INSTALLED LOAD CELL W NO BINDING Electrical Check Procedures Load Cell Point Step 3 Typical Load Cell Point Input Output Input Output Measurements EXC amp SIG Outputs Measurements The HI 1746 WS is designed to supply 5 VDC excitation to as many as eight 350 Ohm load cells points 5 2 MILLIVOLTS DC Chapter 5 Calibration The expected output from each load cell point depends on the mV V rating of the load cell point and the weight For example a 2m V V load cell point will respond with a maximum of 10 mVDC at full weight capacity of the system which includes the weight of the vessel and the weight of the product as measured by the load cell point If the load cell point weight capacity is rated at 1
32. S sees 4 8 Writing to the O file 4 8 Fot Example sot see 4 8 Words leafs sito ci me 4 8 Reading from the 32 Word Logical and logical M1 files 4 9 Command Word 4 9 Bits 15 14 set to 10 4 9 For Example ena oe emm 4 9 Bits 15 14 set to 11 4 9 For Example o ses 4 9 Bits 15 14 set to 01 4 9 Bits 15 14 set to 00 4 9 Executable Command List 4 10 Zero Command ZEROCMD 4 10 Tare Command TARECMD 4 10 Write Non Volatile Command WRITENONVOLATILE 4 11 Reload Non Volatile RELOADNONVOLATILE 4 11 Float Integer to Integer Conversion Command FLOAT2INT 4 12 Integer to Float Integer Conversion Command INT2FLOAT 4 12 Cal Low Command CALLOWCMD 4 13 Cal High Command CALHIGHCMD 4 13 C2 Cal Command C2CALCMD 4 13 Read C2 Serial Number Command READC2SERIALNUM 4 14 Set Parameters Command SETPARAM 4 14 iii HI 1746 WS WEIGHT SCALE MODULE Get Parameters Command GETPARAM 4 15 Setup Ladder Logic for Remote Mode Operation
33. age counts when STATUSWORD there was a conversion error weight in motion or an A D error or all three HARDCALFAILCOUNTS there is less than 100 counts between the zero and the span weights SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From MI File 0x65 C2 Cal Command C2CALCMD The C2 Cal Command Performs a C2 Calibration 4 13 1746 WS WEIGH SCALE MODULE Error Return Values STATUSWORD there was a conversion error weight in motion or an A D error or all three C2FAILNODEVS did not detect any C2 load cells C2FAILCAPEQ detected two load cells with different capacities SEQ NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From M1 File 0x66 Read C2 Serial The Read C2 Serial Number Command Reads the 9 Number Command byte serial number from a C2 chip located on every READC2SERIALN C2 load cell Specify the index of the C2 chip to read UM in commandData offset of the Mfile The index should be a number of 0 to C2RomX 1 1 is a minus one not a dash one where C2RomxX is the number of C2 chips The serial number will be 8 bytes of ASCII text followed by a 0 terminator Error Return Values e OUTOFTOLERANCE specified chip is not found SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From MI File 0x70 Set Parameters C
34. al Command word bits 15 14 10 The 19 in word N9 2 indicates that we want to read the LSW of the gross weight and it will be returned 9 10 This rung clears all the status bits being used for control 816 0 EQU MOV Equal Move Soure 99 Source 19 18183 lt 19 lt SouceB 1 Dest N92 16384 lt 16384 lt MOV Move Source 32768 32768 Dest N9 1 16384 0 gt 0 B160 m 5 8160 L 7 EQU 16 0 Equal lt u gt SourceA N99 18183 SouceB 1 16384 lt B16 0 lt u gt 16 0 U B16 0 RET Return END FIG 4 3 SETUP FOR REMOTE MODE OF OPERATION HI WS100 Configuration Software Interface Remote Mode of Operation 4 18 The HI WS100 program communicates with the remote HI 1746 WS module via an integer N7 N8 etc file as specified in the Comm Setup Section of the HI WS100 Configuration Software Manual Prt 0596 024 1 01 HI WS100 and requires 17 contigu ous words Chapter 4 Setup A version of the ladder logic is contained in the HI WS 100 Configuration Software Manual All addresses are arbitrary in the ladder logic example and may need to be changed to match the hardware configuration of your system and to prevent conflicts in addressing In the Ladder Logic example provided in the HI WS100 manual note the following N9is the data file f
35. an adequate understanding of all Allen Bradley SLC 500 products In addition the user 1746 WS WEIGH SCALE MODULE About Hardy Manuals Description should understand process control and be able to interpret ladder logic instructions necessary to gener ate the electronic signals that control your applica tion s Every Hardy Installation and Operation manual is organized into easily referenced chapters that are almost always the same Chapter 1 Provides an introduction to the instrument and an Overview of the equipment and its capabilities Chapter 2 Provides a complete list of Specifi cations Chapter 3 Contains information needed to install the HI 1746 WS both standard and optional equipment and the HI 215IT series Junction Box Chapter 4 Provides complete hardware Con figuration instructions for setting dip switches and jumpers Chapter 5 Pertains to the firmware software Setup and preparation procedures to calibrate and operate the instrument Chapter 6 Provides all Calibration instruc tions Chapter 7 Pertains to the Operating Proce dures of the HI 1746 WS Chapter 8 Pertains to the Troubleshooting procedures for repair of the instrument Hardy Process Solutions hopes that this manual meets your needs for information and operation All correc tions or suggestions for improvements of this manual are welcome and can be sent to the Technical Publica
36. ard Calibration Ladder Logic Example 5 12 CHAPTER 6 OPERATING PROCEDURES 6 1 A Brief Description of Chapter6 6 1 Block Transfer Read 6 1 Block Transfer Read Example For Local Mode Only READWEIGHT 6 5 Explanation of the READWEIGHT Example 6 5 READWEIGHT Ladder Logic Example 6 6 Block Transfer Read Ladder Logic Example for Remote Mode Operation 6 6 Block Transfer Write 6 7 Block Transfer Write Ladder Logic Example for Remote Mode Operation 6 9 INDEX HI 1746 WS WEIGHT SCALE MODULE vi Table of Illustrations Table of Illustrations CHAPTER 3 INSTALLATION 3 1 FIG 3 1 HI 1746 WS WEIGH MODULE IN PROPER ORIENTATION 3 2 FIG 3 2 JUMPER LOCATION JUMPER SET IN THE DEFAULT OFF LOCAL MODE POSITION 3 3 FIG 3 3 POSITIONING THE MODULE FOR INSTALLATION 3 4 FIG 3 4 MODULE RELEASE S 3 5 FIG 3 5 MODULE INSTALLED IN SLC CHASSIS 3 5 FIG 3 6 MODULE WITH DOOR OPEN 3 7 FIG 3 7 INDUSTRY STANDARD LOAD CELLS WIRING DIAGRAM 25 peo 3 8 FIG 3 8 HARDY LOAD SENSOR
37. ation 4 1 4 3 4 5 Removing the Module from the SLC 500 or Remote Chassis 3 5 Resolution 2 1 Return to Zero Test 1 5 RS Logix 5009 1 1 RS 232 C 1 3 Run Fault LED 4 2 5 Sequence Number SEQUENCENUM 4 5 Set Parameters Command SETPARAM 4 14 Set Point 1 amp 2 Out 2 2 Set Point TTL Outputs 1 6 SETPARAM GETPARAM Command and Non Volatile Memory 4 21 SETPARAMS Local Mode of Operation 4 23 SETPARAMS Remote Mode of Operation 4 24 Setting Parameters Ladder Logic Explanation 4 22 Setting the Auto Zero Tolerance Value 4 29 Setting the Jumper for Local or Remote Mode of Operation 3 2 Setting the Motion Tolerance Value 4 28 Setting the Number of Readings Averages 4 29 Setting The Process Weighing Parameters 4 20 Setting the Span Weight Value 4 29 Setting the Unit of Measure 4 28 Setting the WAVERSAVER Value 4 29 Setting the Zero Tolerance Value 4 29 SETUP Program 3 10 SLC 500 AI Series 1 3 SLC Chassis 4 1 Index Storage Temperature Range 2 2 System Test 1 5 T Tare Command TARECMD 4 10 Technical Publications Department 1 2 Temperature Coefficient 2 2 TTL Level Outputs 1 3 U Unit of Measure 4 28 Unpacking 3 1 W WAVERSAVER 2 1 WAVERSAVER 1 1 Weighing System Tests 1 5 Weight 2 3 Weight Multiplier 4 20 Windows NT 95 98 3 10 Windows 95 98 NT 1 3 Words 1 7 4 8 Write Data 6 1 Write Non Volatile Command WRITENONVOLATILE 4 10 Writing to the 32 Word Logical O and Logical MO Files 4 8 Writing
38. cedures for the Hardy Process Solutions HI 1746 WS Weigh Scale Module designed for use in Allen Bradley s SLC 5 02 5 03 5 04 5 05 programmable controllers The HI 1746 WS is equipped with WAVERSAVER C29 Calibration The Button and INTEGRATED TECHNI CIAN IT diagnostics The module is configurable via Windows 95 98 NT HI WS 100 Configuration Soft ware or RS Logix 5009 Industrial Programming Soft ware To get the maximum service life from this product users should operate this module in accor dance with recommended practices either implied or expressed in this manual Before using the Weigh Scale Module all users and maintenance personnel should read and understand all cautions warnings and safety procedures referenced or explicitly stated in this manual to ensure the safe operation of the module Hardy Process Solutions appreciates your business Should you not understand any information in this manual or experience any problems with the product please contact our Customer Support Depart ment at Phone 858 278 2900 FAX 858 278 6700 e mail hardysupport hardysolutions com Web Address http www hardysolutions com WAVERSAVER C2 INTEGRATED TECHNICIAN are registered trademarks of Hardy Process Solutions Inc Windows is a registered trademark of the Microsoft Corporation RS Logix 500 is a Copyright of Rock well Software Inc Hardy bases all procedures with the assumption that the user has
39. cted to contacts 2 amp 3 and 6 amp 7 on the module and install sense lines 3 9 1746 WS WEIGH SCALE MODULE Installing the Hardy Contact your local Hardy Representative or Hardy Configuration Sales Department for information about how to pur Software Optional chase the Hardy WS 100 Configuration Software for Windows Step 1 The SETUP program copies the required files to your hard disk Step 2 Run Windows NT 95 98 and insert the Configuration Installation System Disk into the 3 5 floppy drive Step 3 Click on START Step 4 Click on Run Step 5 In the Run field type the command a setup If your floppy drive is drive b enter b setup Step 6 Press the Enter key Step 7 You can also use the Add Remove Func tion in the Control Panel dialogue box Click on Start Move the cursor to Settings Select Control Panel Double click on the Add Remove Pro grams icon e Click on the Install button anoop Step 8 The SETUP program will lead you through the installation process NOTE HI WS100 Configuration Software is an option For Pricing and Information for this product contact your local Hardy Representative CHAPTER 4 SETUP A Brief Description of Chapter 4 Power Check Chapter 4 Setup All information contained in Chapter 4 pertains to firmware and software settings Local and Remote modes of operation to prepare the module controller for calibration and operation Alternati
40. d by the integer SEQ NUMBER 0 COMMAND Hex 1 STATUS 2 OFFSET 3 LENGTH 4 DATA 5 16 From M1 File 0x96 Integer to Float Integer Conversion Command INT2FLOAT The Integer to Float Integer Conversion Command Converts a Float integer to an integer For use with the SLC 5 02 Data Input Value A four byte long integer and a two byte integer Return Value A four byte float equal to the long divided by the two byte integer Error Return Value e NOTALLOWED returned if the two byte inte ger is zero SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 From M1 0x97 Integer File Divi dend DATA DATA DATA 6 7 8 16 Integer int2 Divi Divisor dend Cal Low Command Chapter 4 Setup The Cal Low Command sets the calLowCount CALHIGHCMD doing Hard CAL Error Return Values CALLOWCMD parameter to the current A D average counts when doing a hard calibration Error Return Values e STATUSWORD there was a conversion error weight in motion or an A D error or all three e HARDCALFAILCOUNTS there is less than 100 counts between the zero and the span weights SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From M1 File 0x64 Cal High The Cal High Command Sets the Span Weight Command parameter to the current A D aver
41. d in a PC with either Ethernet DH DH 485 or RS 232 C that can initiate communications with the SLC 5 02 5 03 5 04 or 5 05 To calibrate the module you can simply push The Button to effect a C2 calibration C2 Hard Traditional calibration with weights and Soft calibration can be implemented from the SLC 500 AI Series DOS software RS Logix500 Industrial Pro gramming Software for Windows 95 98 NT or from the optional Hardy WS 100 Configuration Software for Windows The HI 1746 WS is IT Integrated Technician enabled which means the module has a built in IT excitation monitor to detect some load cell problems and with the addition of the optional HI 215IT Junction Box and the HI WS100 software the operator can use the other IT functions for fault isola tion troubleshooting of the weighing system Typically mechanical noise from other machinery in a plant environment is present in forces larger than the weight forces trying to be detected by the module The HI 1746 WS is fitted with WAVERSAVER technology which eliminates the effects of vibratory forces present in all industrial weight control and 1 3 1746 WS WEIGH SCALE MODULE C2 Calibration ITO Excitation Monitor measurement applications By eliminating the factor of vibratory forces the module is capable of identify ing the actual weight data WAVERSAVER can be configured from the Configuration Software to ignore noise with frequ
42. e N17 6 18183 lt Dest N9 2 Source B Length 6 16384 lt MOV Move ns Source 14814 14814 lt Dest 1971 16384 lt 9 0 lt L gt 0 180 lt u 5 18 0 lt 5 gt 4 25 1746 WS WEIGH SCALE MODULE 0006 0007 0008 4 26 This rung Reads the logical MI file to get the sequence number Command word is set up for zero words at location 0 and bits 15 14 11 18 0 EQU Equal 7 SourceA 9 18183 lt SourceB 1 16384 lt m MOV Move Source Dest This will cause the unit to read logical MI file starting at location 0 16384 16384 lt 3N9 1 16384 This rung does save to non volatile memory Writes two words starting at word 0 Data is the sequence number N9 2 and command 4 write non volatile in 3 This command Causes the unit to save the new parameters as well as start to use them B18 0 EQU 8 SourceA 9 18183 lt SowceB 16384 lt Copy File T Source 1910 Dest N9 2 Length 1 gt MOV __ Move Source 4 4 lt Dest N9 3 52 lt MOV __ Move Source 15872 15872 lt Dest 3N9 1 16384 89 0 L 0 18 0 th 18 0 L 9 This rung sets up the command word to read from the logical file Command word bits 15 14 10 The 19 in word N9 2 indicates that we want to read the LSW of the gro
43. e Module I O Connector 3 6 Add Remove Function 3 10 Allen Bradley DOS PLC 500 AI Series 4 1 Allen Bradley s SLC 5 02 1 1 Approvals 2 3 Auto Zero Tolerance 1 6 Auto Zero Tracking 1 6 Averages 2 1 B B3 Locations 5 6 Backplane Current Load 2 2 Backplane Input Voltage 2 2 Batching 1 3 Bits 0 7 4 7 Bits 15 amp 14 4 7 Bits 15 14 set to 00 4 9 HI 1756 WS MANUAL Bits 15 14 set to 01 4 9 Bits 15 14 set to 10 4 9 Bits 15 14 set to 11 4 9 Bits 8 13 4 7 Blending 1 3 Block Transfer Read 6 1 Block Transfer Read Example For Local Mode Only READ WEIGHT 6 5 Block Transfer Read Ladder Logic Example for Remote Mode Opera tion 6 6 Block Transfer Write 6 7 Block Transfer Write Ladder Logic Example for Remote Mode Opera tion 6 9 C2 Cal Command C2CALCMD 4 13 C2 Calibration 5 4 C2 Calibration Input 2 2 C2 Calibration Ladder Logic Example For Local Mode of Operation Only 5 8 C2 Calibration Ladder Logic Example For Remote Mode of Operation Only 5 11 C2 Calibration Ladder Logic Explanation 5 7 C2 Calibration Output 2 2 C2 Calibration Using Ladder Logic 5 6 C2 LED 4 2 5 6 C2 1 1 Cable lengths 2 2 Cal High Command CALHIGHCMD 4 13 Cal Low Command CALLOWCMD 4 12 Calibration Setup Procedures 4 28 Case Dimensions 2 3 Comm Setup Section of the HI WS100 Configuration Software Manual 4 18 Comm LED 4 2 Command Word 4 8 4 9 Command Word Encoding 4 7 Index
44. easurements 5 2 Load Check 5 4 C2 Calibration 5 4 About C2 Calibration 5 4 THE BUTTON C2 Calibration 5 5 C2LED 5 6 C2 Calibration Using Ladder Logic 5 6 Data Locations Used for Ladder Logic Examples For Local Mode of Operation Only 5 6 0 24 5 6 9 50 5 6 51 5 6 100 2 lt 55 lt lt 4 5 6 a 5 7 Sees pe s de ede E 5 7 10 0 5 7 Table of Contents 1061 5 7 10 62 5 7 10 63 64 5 7 10 65 66 5 7 10 67 68 5 7 10 69 70 5 7 N10 71 72 5 7 C2 Calibration Ladder Logic Explanation 5 7 C2 Calibration Ladder Logic Example For Local Mode of Operation Only 5 8 C2 Calibration Ladder Logic Example For Remote Mode of Operation Only 5 11 Hard Calibration 5 12 H
45. encies as low as 0 25 Hz One of five higher additional cut off frequencies may be selected to provide a faster instrument response time The default factory configuration is 1 00 Hz vibration fre quency immunity C2 Second Generation Calibration enables a scale system to be calibrated electronically without using certified test weights which equals the systems load capacity A C2 weighing system consists of up to eight 8 C2 load sensors a junction box interconnect cable and an instrument with C2 capabilities such as the HI 1746 WS Weight Scale Module All Hardy C2 certified load sensors contain digital information detailing its unique performance characteristics The HI 1746 WS reads the performance characteristics of each individual load sensor and detects the quantity of load sensors in the system C2 Calibration can be per formed by pressing The Button located in the front of the module or via Hardy s Configuration Software or Allen Bradley s RS Logix 500 software INTEGRATED TECHNICIAN is a system diagnostics utility which continuously monitors the weighing sys tem with up to 4 load sensors for possible malfunc tions For full functionality the HI 215IT junction box and Hardy s Configuration Software for Windows should be used Full functionality allows the opera tor to rapidly troubleshoot a weighing system from the Configuration Software INTEGRATED TECHNI CIAN Display Continuously monitors a system s excitati
46. inal enclosure The I O Connector at the front of the module connects the module to the load sensors and relays or the HI 215IT Junction Box depending on how many load sensors are installed in the weighing system See below for the pin out diagram The pin out diagram is located on the inside of the module door See Fig 3 5 Pin 16 Pin 15 Pin 14 Pin 13 Pin 12 Pin 11 Pin 10 Pin 9 Pin Pin Pin Pin Pin Pin Pin Pin gt tA NA Aux In N C GND V Relay 2 V Relay 1 C2 C2 Exc Sen Sig Sig Sen Exc Shield Step 1 Open the Module door to gain access to the I O connector See Fig 3 5 NOTE Load Cell Wiring Diagrams NOTE Chapter 3 Installation FIG 3 6 MODULE WITH DOOR OPEN Step 2 Step 3 Step 4 Step 5 Install the cable and connector so it allows the module door to be shut There is a bracket not shown that allows you to use a tie wrap to secure the cable to the module With the plug oriented correctly See the pin out diagram above plug the I O male connector into the I O connector at the front of the module Check to be sure that the connector is completely plugged in before operating the module Most of the problems with modules are due to loose connections Be sure to check the I O connection first in the event you have a problem receiving information from the load cells or if the relays do not operate cor rectly
47. ion CHAPTER 5 CALIBRATION A Brief Description of Chapter 5 Pre Calibration Procedures CAUTION Chapter 5 pertains to the calibration procedures for the HI 1746 WS Weigh Scale Module Alternatives to any procedures either implied or explicitly contained in this chapter are not recommended In order for the Weigh Module to work properly it must be calibrated prior to operation Calibration procedures require an understanding of the M File interface It is recom mended that the module be re calibrated periodically or when not in use for extended periods of time Be sure to follow all the procedures completely to insure that the weights read by the module are accurate It is very important that the user and service personnel be familiar with the procedures contained in this chapter before installing or operating the HI 1746 WS Weigh Module Step 1 Check to determine if the load cells have been properly installed a Refer to your load cell I amp M manual for proper installation instructions b Onsome single and double ended shear beam load cells there is an arrow that indicates the direction of the applied load If the arrow is pointing in the wrong direction change the position of the load cell so that it is mounted in the direction of the applied load Step 2 Check for Binding on the Load Cell or other parts of the weighing system BINDING ON A SCALE VESSEL OR LOAD CELL DOES NOT ALLOW THE LOAD CELL FREE VE
48. lem Contact Hardy Customer Support for assistance Steady Green Normal Operation Flashing Green Block transfer is being performed LED is Off No Communication Steady Green A C2 load cell s has been found LED is Off No C2 load cells have been found Steady Red Unable to read loadcell data or the loadcell data is in error To set up communication between the SLC 5XX and the HI 1746 WS Weigh Scale Module you will need to select or enter the following information into the I O Configuration section of your software Local Mode of Operation Remote Mode of Operation About M Files Direct M File Mapping Local Mode of Operation Chapter 4 Setup Type of Device Category Other Card ID Code 13635 M Files MO 128 Words MI 128 Words There files Type of Device Category Other Card ID Code 3535 Input Words 8 Output Words 8 The M File Interface consists of two files MO and M1 MO and MI files are data files that reside in the 1746 WS Weigh Scale Module There is no image for these files in the processor memory With respect to the SLC processor SLC 5 02 5 03 5 04 5 05 the file is a module output file a write only file and the M1 file is a module input file a read only file With respect to the HI 1746 WS weigh module the M1 file is for output from the module to the processor and file is for input from the processor to the module The module writes
49. m Full Wheatstone Bridge Strain Gauge Load Sensors Cells 5 volt excitation on one vessel 0 0015 of Full Scale 32766 User Selectable e 7 50 Hz e 3 50 Hz e 1 00 Hz Default e 0 50 Hz e 0 25 Hz Current less than 10 expected 2 1 1746 WS WEIGH SCALE MODULE Common Mode Rejection Common Mode Voltage Range Backplane Input Voltage Backplane Current Load Power C2 Calibration Input Cable lengths Load Cell Excitation C2 Calibration Output Set Point 1 amp 2 Out Environmental Requirements 2 2 Temperature Coefficient Operating Temperature Range Storage Temperature Range Humidity Range 110dB at or below 60 Hz 2 5VDC maximum with respect to earth ground 5 VDC maximum with respect to earth ground 0 250 Amps at 5 VDC 5 VDC 5 Isolation from digital section 1000 VDC minimum 1000 feet maximum of C2 authorized cable 250 feet maximum of C2 authorized cable Maximum of 4 load sensors with IT Junction box 5 VDC 1 15 W maximum Isolation from digital section 1000 VDC minimum Isolation from digital section 1000 VDC minimum Discrete outputs TTL step function of 0 or 5 VDC to drive an SSR Less than 0 005 of full scale per degree C for Cal LO and Cal HI reference points 0 C to 60 C 32 F to 140 F 20 C to 85 C 4 F to 185 F 0 90 non condensing Approvals Digital Voltmeter Optional Equipment 21
50. meter type Offset Hex Calid int 2 Table 4 1 Parameters and Offsets SUCCESS 0 NOTALLOWED 1 OUTOFTOLERANCE 3 INDEXOUTOFRANGE 4 NOSUCHCMD 5 C2FAILNODEVS 6 C2FAILCAPEQ 7 failure capacities not equal HARCALFAILCOUNTS 8 failure not enough ADC counts between high low For a complete ladder logic example for downloading all the parameters please go to the Hardy Process Solutions Inc Web Site at www hardysolutions com Select Support then click on Sample Programs If you do not have access to the Internet contact your local Hardy Representative or Hardy Customer Support and we will be glad to fax or mail you a hard copy The Unit of measure Metric See Table 4 1 can be set to either kilograms or pounds Any weight value input to the module e g CAL LO CAL HI setpoints are in the currently selected units The unit of measure can be set at any time not just at calibration Setting the unit of measure before calibrating reminds the user what unit of measure is being displayed It is important to note that the weigh scale module does not need to be calibrated again after changing the unit of measure The motion tolerance is the tolerance value used to determine if the scale is in motion Setting the Zero Tolerance Value Setting the Auto Zero Tolerance Value NOTE Setting the Number of Readings Averages Setting the Span Weight Value Setting the WAVERSAVER Value
51. ndard Load Cells 3 8 Input 2 1 Installing the Hardy Instruments Configuration Software 3 10 Installing the Module I O Connector 3 6 Integer to Float Integer Conversion Command INT2FLOAT 4 12 IT 1 4 IT Junction Box 1 4 IT Junction Box HI 215IT FG Series 2 3 IT Junction Box HI 215IT SS or PS Series 2 3 L Ladder Logic 4 19 Ladder Logic Editor 4 1 Ladder Logic Example 4 19 LEDS 4 1 4 2 Load Cell Excitation 2 2 Index Load Cell I amp M Manual 5 1 Load Cell Wiring Diagrams 3 7 Load Cell Point Input Output Measurements 5 2 Load Check 5 4 Local Mode of Operation 4 1 4 3 Logical File Interface 4 6 M M File Data Structure Words 0 to 5 4 5 M File Interface 5 1 M File Interface to Set Up for Local Mode of Operation 4 5 M files 4 5 MO File 4 3 4 5 MI File 4 3 4 5 Mapping 4 4 Maximum Zero Tolerance 2 1 Modes of Operation 2 1 Module Connector 3 4 Module Door 3 6 N Net 1 6 Non Linearity 2 1 O OFF Default 3 2 ON for Remote 3 2 Operating Temperature Range 2 2 Passed Return to Zero Test 1 5 Pin Out Diagram 3 6 Possible Error Returns 4 21 Power 2 2 Power Check 4 1 Pre Calibration Procedures 5 1 HI 1756 WS MANUAL R Rate of Change ROC 1 6 Read C2 Serial Number Command READC2SERIALNUM 4 14 Read Data 6 1 Reading from the 32 Word Logical I and logical M1 files 4 8 READWEIGHT Ladder Logic Example 6 6 Relays 3 6 Reload Non Volatile RELOADNONVOLATILE 4 11 Remote Mode of Oper
52. nteger values This sets up for a write to the logical file of one word to location word 15 8160 EQU 0008 1 4 Source A Source B 816 0 0004 5 This rung copies the dot 9 18183 lt 1 16384 lt This rung sets up a read of the second 7 words of the logical fle to transfer to the logical file data locations Data locations N15 60 through N15 73 are being used as constant values 0 13 respectively for setting up words to read The first MOV is setting up the command word for bits 15 14 10 N9 2 to N9 8 will be values 8 to 13 for the second 7 words of the logical file EQU H Equal Source A Source B N99 18183 N9 1 16384 COP Copy File Source N15 67 Dest 19 2 Length 7 MOV Move Source 32768 32768 Dest 16384 lt 0 0 160 mu 3 160 lt L 5 la from the read fo the logical data table location This are words 7 13 Command word set up bits 15 14 01 bits 13 8 7 bits 7 0 7 This will wite 7 words to the logical file starting at word 7 Copy File Source N9 10 Dest N9 2 Length 7 MOV Move Source 18183 32768 lt Dest 1 16384 lt 0 0 B16 0 mu 4 160 lt gt 4 17 1746 WS WEIGH SCALE MODULE 0005 0006 0007 0008 This rung sets up the command word to read from the logic
53. ommand SETPARAM 4 14 Sets a parameter in the module See Setting the Pro cess Weighing Parameters below for more detailed information Error Return Values Chapter 4 Setup OUTOFTOLERANCE is returned if an incor rect value is entered to a parameter INDEXOUTOFRANGE is returned if no parameter corresponds to the offset specified SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From MI File 0x100 Use Parame See ter Offset Weight Value from Multi Table 4 1 plier Sec tion Below Get Parameters Reads a parameter from the module See Setting the Command Process Weighing Parameters below for more detailed GETPARAM information Error Return Values e OUTOFTOLERANCE is returned if an incor rect value is entered to a parameter e INDEXOUTOFRANGE is returned if no parameter corresponds to the offset specified SEQ COMMAND NUMBER Hex STATUS OFFSET LENGTH DATA 0 1 2 3 4 5 16 From M1 File 0 101 Use Parame ter Offset Value from Table 4 1 4 15 1746 WS WEIGH SCALE MODULE Setup Ladder Logic for Remote Mode Operation Tris file reads the logical fle ond writes it back fo the logical flle AI B16 bits are contol fo insure sequencing of rungs Bit N9 0 0 inflates the transfer This tung sets up the mutipter for integer values Ths sets up for a write to the logical O fle of one w
54. on Software Test Display depending on the outcome of the test The test checks for damaged load sensors due to electrical zero shift or abnormal mechanical forces that cause binding on one or all of the load sensors in the system Requires the HI 215IT Junction Box This test is used to diagnose drifting or unstable weight reading prob lems The Weighing System Test does the following 1 Disconnects the controller and engages an inter nal reference signal to see if the problem is within the instrument 1 Disconnects the load sensors and engages an internal in the junction box reference signal to see if the cable between the instrument and the Junction Box is causing the problem 2 Reads the weight of each load sensor to see if the load sensor might be causing the problem The ability to read the weight seen by each individual load sensor allows use of this test to make cornering 1 5 1746 WS WEIGH SCALE MODULE Auto Zero Note Set Point TTL Outputs leveling and load sharing adjustments to the weighing system The Hardy Configuration Software is highly recommended for use with this option Auto Zero Tracking will indicate zero weight as long as any live weight on the scale is below the set Auto Zero Tolerance and the scale is not motion This capa bility allows the module to ignore material build up in the weighing system within a pre set auto zero toler ance The amount of weight zeroed off is
55. on current to check for open or shorted load sensors or damaged or broken excitation wire s including the wires between the module and the IT Junction box If the measured current deviates more than a 10 toler ance an Excitation Error bit Module Status Word bit 9 is set to 1 Chapter 1 Overview Digital Volt Meter DVM Optional NOTE Return to Zero Test Optional Weighing System Tests Optional Requires the HI 215IT Junction Box and Hardy Con figuration Software to monitor both mV and mV V readings per individual load sensor Once a problem is detected by the operator the DVM readings help the operator to isolate the faulty component Further the DVM readings can be used to level a balanced system and to make corner adjustments to platform scales Accuracy is 2 or better of full scale If you do not have the HI 215IT Junction Box con nected to the module the mV V reading as displayed in the Configuration Software Test display is the total for all the load cells on the system Requires the HI 215IT Junction Box to monitor indi vidual load sensors The Hardy configuration Soft ware is required when using this option This test compares the original voltage reading saved at cali bration against the current voltage reading of an empty vessel The test displays a Passed Return to Zero Test or a Failed Return to Zero Test statement when running the System Test from the Configurati
56. or logical O file Offset in words in the logical MO or logical O file where the write begins Command Word 16 bits Bits 15 14 Bits 13 8 Bits 7 0 4 7 1746 WS WEIGH SCALE MODULE 4 8 Command Word 16 bits Configure the Read and Write Binary value indi cating number of words to write Binary value indi cating starting off set for write read Writing to the 32 Word Logical O and logical MO files Command Word Writing to the MO file For Example Writing to the O file For Example Words 1 7 to begin You must Decide whether you are going to write to the MO or O file e 15 14 set to 11 will specify write to the logical MO file e Bits 13 8 set as a binary value indicat ing number of words to write e g 2 would be 000010 e Bits 7 0 set as a binary value indicat ing offset word to start writer at e g 28 would be 00011100 A command word set to binary value 1100 0010 0001 1100 would indicate a write of 2 words to the logical MO file starting at offset word 28 e 15 14 set to 01 will specify write to the logical O file e Bits 13 8 set as a binary value indicat ing number of words to write e g 2 would be 000010 e Bits 7 0 set as a binary value indicat ing offset word to start write at e g 7 would be 00000111 A command word set to binary value 0100 001
57. or the data written to and read from the module and the trigger bit e The ladder logic program needs 17 contiguous words in the data file which are 1 N9 0 is the write trigger 2 N9 1 to N9 8 are write data loca tions 3 N9 9 to N9 17 are read data loca tions NOTE These can be from an integer file with 17 contiguous words available 4 N10 is the data file for setting up sections of the M files 5 N10 0 sets a section of the M file as read 6 N10 1 sets the length 7 N10 2 sets the address 8 0 5 sets a section of the M file as write 9 N10 6 sets the length 10 N10 7 sets the address 11 N10 10 to N10 19 are locations used for checking status NOTE Refer to Allen Bradley 1747 Scanner module manual for more information on the setup of M files 4 19 1746 WS WEIGH SCALE MODULE Setting The Process Weighing Parameters 4 20 About the Ladder Logic Example Weight Multiplier 12 13 14 15 MO x yy and M1 x yyy where x slot scanner module is in and yyy location within the M file are the M files being written to or read from is from the processor to the scanner M1 is from the scanner to the processor B11 0 is used for program control bits e Insure the following 1 Data file i e has 17 contigu ous words and the file number and first word are listed in the appropriate fields in the COMM SETUP screen in WS100 and the Remo
58. ord fo location word 15 2 MOV 0000 99 Move 1 Soure 16655 16655 lt Dest 16384 lt Copy File Source N15 55 Dest 492 Length 1 0 lt 5 gt 160 L 2 This ung sets up a reac of the fi 7 words o the logical 1 to transfer fo the logical O file data locations Data locotions NI 5 60 through N15 73 are being used as constant values 0 13 respect vely for setting up words to read The fitst MOV is setting uo the command word for bit 15 14 10 N9 2 to 8 wil oe values 0107 for the frst 7 words of the logicol file 8180 EQU 0001 ma Move 2 Source 9 Source 32768 18183 lt 32768 lt SourceB 1 Dest 16384 lt 16384 Copy File Source N15 60 Dest N92 Length 7 This ung copies the data from the ead to the log cal data table location These are words 0 6 Command word set up bits 15 14 01 bits 13 8 7 bits 7 0 0 This will wite 7 words to logical file staring ot word 0 8160 EQU 0002 H Equal Copy File 3 Source A Source N9 10 18183 lt Dest 4N92 SouceB Length 7 16984 MOV Move Source 18176 18176 Dest N9 1 16384 lt lt i gt 0 160 lt v 2 B16 0 L 4 16 Chapter 4 Setup This rung sets up the weight multiplier for i
59. over 100 e ladder logic display reads 100 pounds and a 20 pound load is placed on the vessel or scale and the reading is 80 pounds the reading is going in the wrong direction and indicates some problem with the system e Ifthe ladder logic display is reading improperly or shows no change there is something wrong with the setup Step 3 If the ladder logic display changed weight in the proper direction remove the weight and proceed to calibrate the module C2 Calibration About C2 C2 calibration requires C2 load sensors If you do not Calibration have C2 load sensors you must perform a Hard Cali bration The HI 1746 WS reads the performance char acteristics of each individual load cell and detects the 5 4 THE BUTTON C2 Calibration NOTE Chapter 5 Calibration quantity of load cell in the system C2 Calibration can be performed by pressing The Button located in the front of the module or via Allen Bradley DOS PLC 500 AI Series Ladder Logic Editor Allen Bradley RS Logix 500 or clicking the C2 selection in Hardy s Configuration Software Step 1 Check to be sure that the parameters been setup for your weighing process See Chapter 4 Setup Step 2 Open the front door of the HI 1746 WS module See Fig 5 3 The Button FIG 5 3 THE BUTTON C2 CALIBRATION If the module is being calibrated for the first time and your not sure what parameters to set use the defa
60. react 1 amp 2 0 0 Ibs Auto zero Tolerance 10 0 Ibs Motion Tolerance 5 0 lbs Zero Tolerance 10 Rate of Change Time Base 10 Cal Year 0 Cal Month 0 Cal Day 0 Cal ID 0 Chapter 3 Installation CHAPTER 3 INSTALLATION A Brief Description of Chapier 3 Unpacking Installing the HI 1746 WS into an Allen Bradley SLC 500 Processor or Allen Bradley Remote Rack WARNING All information contained in Chapter 3 pertains to unpacking cabling interconnecting configuration and installing the HI 1746 WS Weigh Scale Module Alternatives to any procedures contained or implied in this chapter are not recommended It is very impor tant that the user and service personnel be familiar with the procedures contained in this chapter before installing or operating the HI 1746 WS module Hardy Process Solutions appreciates your business Should you experience any problems installing this equipment contact Hardy Customer Support for assistance Step 1 Before signing the packing slip inspect the packing for damage of any kind Step 2 Report any damage to the carrier company immediately Step 3 Check to see that everything in the pack age matches the bill of lading You should normally have e HI 1746 WS Weigh Scale Mod ule e Operation and Installation Man ual Step 4 Write down the Model and Serial number of the module Store this information in a convenient location for reference when contacting The Customer S
61. replies in the M1file to commands that the processor writes into the file The M files are used to control and monitor block transfer operations For the 1746 modules used in the local chassis Hardy has available direct mapping of the parameters to the M files This means that you can write to a specific location in the file and the 1746 will pick up the change and apply it and reflect the change in the M1 file 4 3 1746 WS WEIGH SCALE MODULE NOTE After making the change you need to save the change to non volatile memory Changes can be made one word at a time or up to 37 words all parameters at a time NOTE If multiple words written to the module at the same time data must be in the same order and have the cor rect length for each parameter The mapping is as follows for all the parameters Parameter Word Tare Weight float 28 Span Weight float 30 CalLO Weight float 32 Set Point 1 float 34 Dead Band 1 float 36 Preact 1 float 38 Set Point 2 float 40 Dead Band 2 float 42 Preact 2 float 44 Zero Tolerance float 46 Auto Zero Tolerance float 48 Motion Tolerance float 50 Parameter Word Metric int 52 Waversaver int 53 Averages int 54 Zero Track Enable int 55 Tare Enable int 56 Zero Enable int 57 ROC Time Base int 58 Setpoint 1 Type int 59 Setpoint 2 Type int 60 Cal Year int 61 Cal Month int 62 Cal Day int 63 Cal ID int 64 4 4 Remote Mode
62. se Checks the results of the read to make sure that the sequence number was incremented write complete and that the status is zero no error If the check is good it latches a bit for the next parameter Checks the results of the read and if the status is not zero error occurred restarts the process of writing this parameter Rungs 6 30 Duplicate the same process as rungs 1 to 5 for the remaining parameters a Rungs 1 5 Units Rungs 46 10 Number of Averages Rungs 11 15 WAVERSAVER Set ting d Rungs 16 20 Zero Tolerance Rungs 21 25 Auto Zero Tolerance f Rungs 26 30 Motion Tolerance Chapter 4 Setup SETPARAMS Local Mode of Operation B3 0 SBR COP 0000 Subroutine om Copy File 1 Source 1 6 0 Dest N10 0 Length B3 0 L gt 2 83 3 L gt B3 0 0001 Copy File 2 N10 0 Dest 411040 Length 1 Move Source 256 256 Dest 10 41 101 lt Move Source 20 20 lt Dest N10 43 28 lt r Copy File Source N10 60 Dest N10 45 Length 1 83 0 L 3 83 0 EQU EQU COP 0002 Equal Copy File 3 Source N10 0 Source 10 60 Source 10 40 28
63. sequence number from the module a read command should be used before a write command to retrieve the next number from the module Command is used to select the command to be performed Enter the command from the Com mand List 4 5 1746 WS WEIGH SCALE MODULE Logical File Interface to Set Up for Remote Mode of Operation 8 Word CAUTION About Logical Files 4 6 2 Command Status indicates if the command suc ceeded or not The module writes a value of zero 0 if the command succeeded If the command failed the module writes an error code value which indicates the reason for the command fail ure See the Error Code List The Error Code table also lists the commands where the error code is the sum of possible error bits 3 Offset specifies which parameter will be read or written 4 Length is the number of bytes in a data string field 32 bytes maximum or 16 words 5 Datastring field is where the actual data is entered you want to send to the module or to receive from the module Example To set the value of one of the module s parameters the value of the parameter is written in the Datastring field THIS SETUP INFORMATION IS FOR THE REMOTE MODE OF OPERATION ONLY BEFORE SETTING UP FOR REMOTE MODE OF OPERATION CHECK TO BE SURE THE JUMPER IS SET FOR REMOTE MODE AND THAT THE MODULE IS INSTALLED IN A REMOTE CHASSIS SEE CHAPTER 3 PG 3 2 FOR MORE INFORMATION For the remote mode of operation
64. ss weight and it will be returned in N9 10 B18 0 EQU 9 SouceA 9 18183 lt SourceB 16384 lt mov Source 19 19 lt Dest 3N92 0 lt MOV __ Move Source 32768 32768 lt Dest N9 1 16384 lt 89 0 lt gt 0 B18 0 lt U gt 8 B18 0 L 10 Chapter 4 Setup This rung clears all program control status bits 818 0 EQU CLR 0009 Not Equal clear 10 SouceA 9 Dest B18 0 18183 lt 0000000000000000 lt Source 8 16384 lt 0010 Return 0011 END gt FIG 4 5 SETPARAMS LADDER LOGIC EXAMPLE REMOTE MODE Parameter type Offset Hex Span Weight float Ox1C CalLoWeight float 0x20 ZeroTolerance float Ox4C AutoZeroTolerance float 0x50 MotionTolerance float 0x54 Metric int OZLBS 0x14 WAVERSAVER int limits 0 4 0x16 NumAverages int limits 1 255 0x24 ZeroTrackEnable int 0x26 TareEnable int 0x28 ZeroEnable int Ox2A RoctimeBase int limits 1 1800 Ox2E Tareweight float 0x10 Calyear int 0x9C Calmonth int 0 9 Calday int Table 4 1 Parameters and Offsets 4 27 1746 WS WEIGH SCALE MODULE Error Code List NOTE Cali bration Setup Procedures 4 28 Setting the Unit of Measure Setting the Motion Tolerance Value Para
65. te box is checked Proper driver is selected This should be the same driver that RS Logix 500 would use Station number of the processor is correct which can be found in the driver configuration M file setup data i e N10 0 to N10 2 is correct for your setup Slot location is correct in the M file references We have provided a Ladder Logic example explaining how to set the weigh process parameters The Ladder Logic example is meant to provide a ladder logic model only Your application may vary and the exam ple may or may not meet your requirements To use one of the commands place the offset of a parameter from Table 4 1 into the command Data offset of the MOfile If you are setting a parame NOTE GETPARAM Command and Non Volatile Memory Possible Error Returns Chapter 4 Setup ter place the 4 bytes for a float or two bytes for an integer into the dataString If you have set the WEIGHTMULTIPLIER in the out put data file to a non zero value and you are setting a parameter of type float the parameter will be set to the 4 byte integer value you place in the dataString divided by the WEIGHTMULTIPLIER The parame ter will be interpreted as pounds or kilograms depending on the value of the Metric parameter If you are reading a type float parameter and the WEIGHTMULTIPLIER is non zero the value of the parameter returned in dataString will be a 4 byte inte ger equal to the
66. th 1 MOV Move Source 256 256 Dest N10 41 101 lt Mov Move Source 32 32 lt 4N1043 28 lt COP Copy File Soure N10 69 Dest 10 45 Length 2 B3 1 L 5 831 EQU EQU 0002 Equal Equal Copy File 5 Source A 100 Source N10 70 Source N10 40 2800 lt 1 lt Dest 060 Source B_N10 40 Source B 10 46 Length 7 2799 lt 0 lt B31 L 6 B34 4 B 0003 1 Copy File 6 M1 6 0 Dest 100 Length 3 83 1 NEQ EQU B31 0004 EG Not Equal Equal U 5 100 Source A 102 5 2800 lt 0 lt Source 1040 Source B 0 2799 lt 0 lt 6 831 L 10 B NEQ NEQ 0005 Not Equal Not Equal aie 6 SourceA 100 SouceA N102 5 2800 lt 0 lt 1040 Source B 0 83 1 2799 lt 0 lt lt 0 6 8311 tL 4 5 8 Chapter 5 Calibration B EQU 0006 Cony File 10 Source 1041 N10 0 101 lt Dest 1040 SowceB 102 Length 1 102 lt MOV Move Source 102 102 lt Dest N10 41 101 lt B31 L 11 EQU 0007 Equal Copy File n Source A N10 41 Source N10 40 101 lt Dest 060 SowceB 102 Length 2 102 lt L 12 B3 0 10 831 TON coos 8 1 Timer On Delay lt
67. tion Location of data being written to MO File Locations of Parameters Values Units Number of Averages WAVERSAVER Setting 0 Tolerance AO Tolerance Motion CalLo Span This file will download and set a reference point for C2 calibration and then save data to non volatile memory Rung 0 Does an initial read of the M1 file this is necessary to get the sequence number for future writes Rungs 1 5 Downloads a reference point value These rungs follow the same pattern as the SETPARAMS example in Chapter 4 Rungs 6 12 Writes the CACALCMD to set the ref erence point These rungs follow the same pattern as setting a parameter in the SETPARAMS example in Chapter 4 Rungs 13 17 Writes the WRITENONVOLATILE command This will save the new cal ibration to the non volatile memory These rungs follow the same pattern as setting a parameter in the SET PARMS example in Chapter 4 5 7 1746 WS WEIGH SCALE MODULE C2 Calibration Ladder Logic Example For Local Mode of Operation Only 83 2 SBR 0000 Subroutine Copy File 7 Source 1 6 0 Dest 100 Length 3 B3 1 L 4 831 0001 1 Copy File 4 Soure N10 0 Dest N10 40 Leng
68. to the MO File 4 8 Writing to the O File 4 8 WS 100 Configuration Software Manual 4 19 Z Zero Command ZEROCMD 4 10 Zero Weight 1 6 HI 1756 WS MANUAL
69. tpoint 1 LSW Preact 32 bit float or integer TABLE 6 1 BLOCK TRANSFER READ 6 1 1746 WS WEIGH SCALE MODULE WORD PARAMETER 6 Setpoint 1 Mode Bit Setpoint Mode 0 ROC Rate of Change 1 Gross 2 Net 3 Gain Mode 0 gain in wght 1 loss in wght 4 force low 5 force high 6 Excitation Error 7 No Excitation Error 8 15 Currently Not Used 7 Setpoint 2 MSW Value 32 bit float or integer 8 Setpoint 2 LSW Value 32 bit float or integer 9 Setpoint 2 MSW Deadband 32 bit float or integer 10 Setpoint 2 LSW Deadband 32 bit float or integer 11 Setpoint 2 MSW Preact 32 bit float or integer 12 Setpoint 2 LSW Preact 32 bit float or integer 6 2 TABLE 6 1 BLOCK TRANSFER READ Chapter 6 Operating Procedures WORD PARAMETER 13 Setpoint 2 Mode y Setpoint Mode ROC Rate of Change Gross Net Gain Mode 0 gain in wght 1 loss in wght Force low Force high Excitation Error No Excitation Error 15 Currently Not Used 14 Weight Functions y Weight Functions Zero Tare Write Non Volatile Apply Settings Reload Non Volatile Cal Low Cmd Cal High Cmd C2 Cal Cmd Currently Not Used TUS 1 TABLE 6 1 BLOCK TRANSFER READ 6 3 1746 WS WEIGH SCALE MODULE WORD PARAMETER 15 Module Status Word
70. ult parameters which are set by the module at power up Once the calibration is successful feel free to change the parameters to meet the requirements of your weighing process See Chapter 4 Setup The But ton can be used for calibration at any time after the weighing process parameters have been set Step 3 Press and hold The Button until the C2 LED goes off See Fig 5 4 5 5 1746 WS WEIGH SCALE MODULE C2 LED C2 Calibration Using Ladder Logic Data Locations Used for Ladder Logic Examples For Local Mode of Operation Only N9 0 24 N9 50 N9 51 N10 0 2 5 6 Fault LED 2 2 lA FIG 5 4 C2 LED Green Off On Button Calibration was successful Red then Green C2 Cal failed scale in motion Step 1 Check to be sure that the parameters been setup for your weighing process See Chapter 4 Setup Step 2 We have provided a Ladder Logic for both the local and remote mode of opera tion example explaining how to perform the C2 Calibration B3 All the B3 locations are used as status bits for program control Input Data READWEIGHT Example Weight Multiplier ROC Multiplier Input Read from M1 File Sequence number com mand number and status N10 40 46 N10 60 72 N10 60 N10 61 N10 62 N10 63 64 N10 65 66 N10 67 68 N10 69 70 N10 71 72 C2 Calibration Ladder Logic Explanation Chapter 5 Calibra
71. upport Depart ment for parts or service ELECTROSTATIC DISCHARGE MAY DAM AGE SEMICONDUCTOR COMPONENTS IN THE MODULE DO NOT TOUCH THE CON NECTOR PINS PLEASE OBSERVE THE FOL LOWING HANDLING PRECAUTIONS 3 1 1746 WS WEIGH SCALE MODULE Wear an approved wrist strap grounding device when handling the module Touch a grounded object or sur face to rid yourself of any elec trostatic discharged prior to handling the module Handle the module from the bezel in front away from the con nector Never NEVER touch the connector pins Never install remove or wire any module while the power is on Always disconnect the power from the SLC when working on the module e Do not install the module right next to an AC or high voltage DC module Setting the Jumper Step 1 Remove the module from its package by for Local or grasping the front cover See Fig 3 1 Remote Mode of Operation oq Ss 7 S SS WS LV NAN FIG 3 1 HI 1746 WS WEIGH MODULE IN PROPER ORIENTATION Step 2 Place the jumper either on OFF Default for Local or ON for Remote operation See Fig 3 2 3 2 Installing the HI 1746 WS into the SLC 500 or Remote Chassis Chapter 3 Installation ME REMOTE OP
72. ves to these procedures explicit or implied contained in this sec tion are not recommended It is very important that the user and service personnel be familiar with the procedures contained in this chapter before going through the setup procedures The Setup procedures require either Allen Bradley DOS PLC 500 AI Series Ladder Logic Editor Allen Bradley RS Logix 500 Allen Bradley RSLinx or RSLinx Lite The Local Mode of Operation means the Module is installed in a SLC Chassis and Remote Mode of Oper ation means the Module is installed in a Remote Chassis Step 1 Check to see that there is power to the SLC and the module Step 2 If there is power to the module the LEDS should be lit See Fig 4 1 Step 3 make any settings the LED s should be lit as follows a Run Fault Steady Green Communication Flashing Green c C2 Steady Green if system has C2 load cells or off if there are no C2 load cells 4 1 1746 WS WEIGH SCALE MODULE LEDS Run Fault LED NOTE Comm LED C2 LED Setting Up Communications Between the SLC and the HI 1746 WS Weigh Scale Module 4 2 Fault LED Communication LED C2 LED N FIG 4 1 MODULE LEDS Flashing Green Self Test is running Flashing Green 5Hz Flash Speed Self Test Failed or no calibration Steady Green Self Test Passed Flashing Red Weigh Scale Module has a fault Steady Red Module has a major prob

HI 1746-WS WEIGH SCALE MODULE OPERATION AND

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