Hardy HI 1756-nDF - Manual (Page 4)

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Contents
Command Return or Error Codes .............................................................................................................. 29
Second and Third Words - 1, 2: Parameter Number and Value ............................................................. 29
DINT Configuration Parameters ............................................................................................................... 29
REAL Configuration Parameters .............................................................................................................. 34
REAL Status Values .................................................................................................................................. 38
Integrated Technician ................................................................................................................................ 40
CIP Messages ............................................................................................................................................ 41
CHAPTER 5 CALIBRATION .............................................................................. 43
Pre-Calibration Procedures ........................................................................................................................ 43
Electrical Check Procedures ...................................................................................................................... 43
Load Cell/Point Input/Output Measurements ............................................................................................ 43
Load Check ............................................................................................................................................... 44
AOP Calibration .......................................................................................................................................... 44
C2 Calibration ............................................................................................................................................. 44
“THE BUTTON” C2 Calibration .............................................................................................................. 45
C2 Calibration Using Ladder Logic .......................................................................................................... 45
Hard Calibration ......................................................................................................................................... 46
Hard Calibration Ladder Logic Example .................................................................................................. 46
CHAPTER 6 TROUBLESHOOTING ............................................................... 47
Disassembly and Reassembly Notes, Warnings and Cautions ................................................................ 47
Weight and Voltage Testing ....................................................................................................................... 47
IT Test ....................................................................................................................................................... 48
General Troubleshooting Flow Chart Index ............................................................................................. 48
A1 - Guidelines for Instabilities on Formerly Operating System .............................................................. 49
B - Guidelines for Instabilities on Formerly Operating Systems (Cont’d) ................................................ 50
B1 - Guidelines for Instabilities on Formerly Operating Systems (Cont’d) .............................................. 51
B1 - Guidelines for Instabilities on Formerly Operating Systems (Cont’d) .............................................. 52
Testing an individual load cell signal output requires an IT Summing Junction box or millivolt meter. .. 53
Use the load cell certificate to verify the millivolt per volt (mV/V) rating: .............................................. 53
G - Calibration Failed ................................................................................................................................ 54
H - Mechanical Inspection ........................................................................................................................ 55
J - Electrical Inspection ............................................................................................................................. 56
K - Load Sharing and Load Sensor Checkout ........................................................................................... 57
Erratic Flow Rates ...................................................................................................................................... 58
System and Load Cell Tests ........................................................................................................................ 58
INTEGRATED TECHNICIAN (IT®) ...................................................................................................... 59
Stability Test ............................................................................................................................................. 60
Weight and Voltage Test ........................................................................................................................... 60
General Policies and Information .............................................................................................................. 60
Warranty .................................................................................................................................................... 61
For Further Information Contact ............................................................................................................... 61
INDEX ................................................................................................................ 62