Gebruiksaanwijzing /service van het product HM1525 van de fabrikant The Helman Group
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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.
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.
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 .
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 .
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 • ter.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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APPENDIX A – Module Properties RSLogix™5000.
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.
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].
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.
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