Hardy HI 1756-FC User Manual

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Second Word - 1: Format Word ................................................................................................................15

Format Word Decimal Point Parameters...................................................................................................15

Third / Fifth Words - 2, 3, 4: Parameter Number and Value..................................................................16

Parameter 13-18

.........................................................................................................................21

Refills

REC Parameters ........................................................................................................................................23

Rate Calibration Parameters ......................................................................................................................24

Input Table ..................................................................................................................................................25

States (Word 12 of input table) .................................................................................................................26

Integrated Technician ................................................................................................................................26

CIP Messages ............................................................................................................................................27

CHAPTER 5 CALIBRATION.............................................................................. 29

Pre-Calibration Procedures........................................................................................................................29

Electrical Check Procedures ......................................................................................................................29

Load Cell/Point Input/Output Measurements............................................................................................29

Load Check ...............................................................................................................................................30

C2 Calibration .............................................................................................................................................30

C2 Calibration Using Ladder Logic ..........................................................................................................30

Hard Calibration .........................................................................................................................................31

Hard Calibration Ladder Logic Example ..................................................................................................31

CHAPTER 6 TROUBLESHOOTING............................................................... 32

Disassembly and Reassembly Notes, Warnings and Cautions ................................................................32

Weight and Voltage Testing .......................................................................................................................32

IT Test .......................................................................................................................................................33

General Troubleshooting Flow Chart Index.............................................................................................33

A1 - Guidelines for Instabilities on Formerly Operating System ..............................................................34

B - Guidelines for Instabilities on Formerly Operating Systems (Cont’d) ................................................35

B1 - Guidelines for Instabilities on Formerly Operating Systems (Cont’d) ..............................................36

B1 - Guidelines for Instabilities on Formerly Operating Systems (Cont’d) ..............................................37

F - Verify Individual Load Cell Millivolt Readings..................................................................................38

Testing an individual load cell signal output requires an IT Summing Junction box or millivolt meter...38

Use the load cell certificate to verify the millivolt per volt (mV/V) rating: ..............................................38

G - Calibration Failed................................................................................................................................39

H - Mechanical Inspection ........................................................................................................................40

J - Electrical Inspection .............................................................................................................................41

K - Load Sharing and Load Sensor Checkout ...........................................................................................42

Erratic Weight or Rate Control .................................................................................................................43

System and Load Cell Tests........................................................................................................................44

INTEGRATED TECHNICIAN (IT®) ......................................................................................................45

Weight and Voltage Test ...........................................................................................................................46

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