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The Helman Group HM1525 - page 1
Helm Instrument Company, Inc. 361 West Dussel Drive Maumee, Ohio 43537 USA 419/ 893-4356 Fax: 419/ 893-1371 www.helminstrument.com 1769 Weigh Scale Module Model HM1525 Instruction Manual FEBRUARY 2004 ...
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The Helman Group HM1525 - page 2
Solid state equipment has operational c haracteristics differing fro m those of electromechanical equipm ent. “Safet y Guidelines for the Application, Installation and Maintenance of Solid State Controls” (Allen-Bradley Publication SGI-1.1) describes some important differences betwe en solid state equipment and hard-wire d electromech anical de ...
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The Helman Group HM1525 - page 3
Table of Contents Weigh Scale Load Module User Manual Table of Contents Strain Gage Module Preface ...................................................................... P-1 Who Should Use this Manual................................ P-1 Purpose of this Manual .........................................P-1 Contents of this Manual ..................... ...
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The Helman Group HM1525 - page 4
Table of Contents Weigh Scale Load Module User Manual Initial Setup Procedures Chapter 4 .................................................................. 4-1 Initial Setup Procedures ........................................ 4-1 Step 1. Balance Sensor Input ............................... 4-1 Step 2. Set Calibration Numbers ....................... ...
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The Helman Group HM1525 - page 5
Preface Preface Read this preface to familiarize yourself with the rest of this manual. This preface covers the following topics: • who should use this manu al • the purpose of this manual • terms and abbreviations • conventions used in this manual • Allen-Bradley support Who Should Use this Manual Use this manual if you are respon sible ...
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The Helman Group HM1525 - page 6
Preface Contents of this Manual Chapter Title Content Preface Describes the purpose, background, and scope of this manual. Also specifies the audience for whom this manual is intended and defin e s key terms and abbreviations used throughout this book. 1 Overview Provides a hardware and syst em overview. Explains and illustr ates the components of ...
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The Helman Group HM1525 - page 7
Preface Related Documentation The following documents contain information that ma y be helpful to you as you use Allen-Bra dley SLC products. To obtain a copy of any of the Allen-Bradl ey docum ents listed, contact your lo cal Allen-Bradley office or distributor. For Read this Document Document Number An overview for the MicroLogix TM Programmable ...
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The Helman Group HM1525 - page 8
Preface Terms and Abbrevia- tions The following terms and abbreviation s are used throug hout this man ual. For definitions of terms not listed here refer to Allen-Bradley’ s Industrial Automation Glossary , Publication ICCG-7.1. Calibration - Procedure, performed by trained personnel, where machine or pre ss is dynamically loaded to impact on lo ...
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The Helman Group HM1525 - page 9
Preface Common Techniques Used in this Manual The following conventions are u sed throughout this manual: • Bulleted lists such as this one prov ide informatio n, not procedural steps. • Numbered lists provide sequential step s or hie rarchical information. Product Support Contact your Helm representative or call Helm direct at 419-893-4356: ? ...
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The Helman Group HM1525 - page 10
Chapter 1 Overview You have just purchased the most ad vanced load monitoring solution available. HELM INSTRUMENT COMPANY, INC. manufactures a complete line of load monitorin g control solutions for use on metal stamping, forging, compaction and asse mb ly presses; cold forming, cold heating, injection molding and die cast machi nes. Standard or cu ...
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The Helman Group HM1525 - page 11
Chapter 1 Hardware Overview The Weigh Scale m odule can be attached to the controller or to an adjacent I/O module before or after din rail mounting. It is a Class 1 module (uses eight input words and eight output words). It interfaces to strain gage based transdu cers (350ohm or 700ohm). The module can accept input from two sensors. The module has ...
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The Helman Group HM1525 - page 12
Chapter 2 Getting Started This chapter can help you to get started using the Helm Weigh Scale module. The procedures i ncluded here assume that you have a basic understanding of PLC products. You shoul d understand electronic process control and be able to interpret the ladde r logic instructions required to generate the electro nic sign als that c ...
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The Helman Group HM1525 - page 13
Chapter 2 System Operation The Weigh Scale module communicates to the processor through the p arallel backplane interface and receives +5Vdc and +24V dc power from the power supply through the backplane. No exte rnal power su pply is required. The MicroLogix and CompactL ogix platforms can support up to 8 I/O modules. You may install up to 3 Weig h ...
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The Helman Group HM1525 - page 14
Chapter 3 Channel Configuration Data and Status This chapter explains how the Weig h Scale module and the proces sor communicate through the module's input and output image. For CompactLogix / RSLogix ™ 5000 setup, plea se refer to Appen dix A With RS Logix500 software, ve rify the module ID code. Expansion General Configuration Weigh Scale ...
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The Helman Group HM1525 - page 15
Chapter 3 Output Image (cont.) Zero Stabilize Bit (O:e/3) Enables module feature to display “0” when Weigh scale is empty. 0 = Disable 1 = Enable Least Significant Bit (LSD) Flicke r Bi t (O:e/4) LSD of weigh value. Does not change when load is applied or if load is constant. Vibration Filter Bit (O:e/5) Enables vibration filter to cancel out l ...
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The Helman Group HM1525 - page 16
Chapter 3 The 8-word module input image (input from the module to the CPU) represents data words and status words. I nput words (data words) hold t he input data that represents the values of the sensor inputs. Data Table Input Image Inp ut words (status bits) contain the various status conditi ons a nd reflect the c onfiguration settings y ou have ...
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The Helman Group HM1525 - page 17
Chapter 3 Input Image (cont.) Channel 1 Weigh Value (I:e.1) Weigh value for Channel 1 Channel 2 Weigh Value (I:e.2) Weigh value for Channel 2. Channel 1 A/D Trim Value (I:e.3) Value stored in module for Channel 1. Value should match value on sticke r. Channel 2 A/D Trim Value (I:e.5) Value stored in module for Channel 2. Value should match value on ...
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The Helman Group HM1525 - page 18
Chapter 3 Integer File Using RS Logix500 software, rese rve an in teger file for Weigh Module monitoring. For illustration purposes in this manual, we have reserved Integer file N10:0 - N10:16. Data Description Address Bit Channel 1 Sign Bit N10:0/2 Bit Channel 2 Sign Bit N10:0/3 Integer Faults N10:2 Integer Channel 1 A/D Trim N10:5 Integer Channel ...
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The Helman Group HM1525 - page 19
Chapter 4 Setup Procedure A complete listing of a sample ladder logic program is included at the back of this ma nual. Examples shown here are for reference. All values are 0 (default) on initial start-up. This means that all alarms are disabled. You must make the following adjustments for proper operation : • • Balance sensor input(s) Set Cali ...
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The Helman Group HM1525 - page 20
Chapter 5 System Trouble- shooting Guide HT-400 Sensor Ohm Readings Green-Black 350 ohms Red-White 350 ohms All other color combinations 266 ohms All colors to Ground open Shield to Ground open Electrical Specifications: Type of input Strain Gage (350 ohm, 700 ohm) Input Impedance 10k Display Resolution Up to .0025% of full scale Overall Module Acc ...
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APPENDIX A – Module Properties RSLogix™5000 ...
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The Helman Group HM1525 - page 25
WEIGH_MODULE - Ladder Diagram Page 1 WEIGH_1525:MainTask:MainProgram 2/27/2008 3:01:17 PM Total number of rungs in routine: 7 C:JobsHelmModule_LogicCOMPACTLOGIX_HM1525.ACD RSLogix 5000 MOVE SAMPLE SETPOINT FROM MMI SCREEN TO MODULE 0 Move Source HM1525_CONTROL[1] 1 Dest Local:1:O.Data[6] 1 MOV WEIGH MODULE A/D SAMPLES SETTING MOVE SAMPLE SETPOI ...
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The Helman Group HM1525 - page 26
WEIGH_MODULE - Ladder Diagram Page 2 WEIGH_1525:MainTask:MainProgram 2/27/2008 3:01:17 PM Total number of rungs in routine: 7 C:JobsHelmModule_LogicCOMPACTLOGIX_HM1525.ACD RSLogix 5000 TOGGLE VIBRATION FILTER, ZERO STABILIZE, FLICKER OFF/ON CONTROL FROM MMI SCREEN TO MODULE 3 VIBRATION FILTER OFF/ON TOGGLE HM1525_CONTROL[0].0 WEIGH MODULE VIBRA ...
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The Helman Group HM1525 - page 27
WEIGH_MODULE - Ladder Diagram Page 3 WEIGH_1525:MainTask:MainProgram 2/27/2008 3:01:17 PM Total number of rungs in routine: 7 C:JobsHelmModule_LogicCOMPACTLOGIX_HM1525.ACD RSLogix 5000 CHANNELS 1 AND 2 WEIGH VALUES FROM MODULE TO MMI SCREEN 6 Move Source Local:1:I.Data[1] 207 Dest HM1525_STATUS[1] 207 MOV MMI WEIGH MODULE CHANNEL 1 WEIGH VALUE ...
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