PFSK151 3BSE018876R1 ABB Imported electrical products of CPU processor module

Description

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• Check that cables are correctly connected to the electronics.
• If single side measurement is used and only load cell A or load cell B is connected to the
electronics, check that a shorting wire is connected between terminals X1:7 and X1:8 or
X1:3 and X1:4.
– Switch off the tension electronics and measure the resistance between terminals X1:3
and X1:8.
The resistance is > 8 ohm:
Check that the total cable resistance between electronics and load cells does not
exceed 5 ohm. If cable resistance does not exceed 5 ohm, check cabling and load
cells.
The resistance is < 7 ohm:
If cabling is correct, the electronics is probably defect.
Replace PFEA111/112.
6.8.2 Warnings
6.8.2.1 Profibus Communication Problem
Check:
• that the bus is correctly terminated.
• the Profibus address.
• cabling and connectors.
6.8.2.2 Synchronization Problem
Check the cabling and shield.
If the cabling is correct the tension electronics is probably defect.
Replace PFEA111/112.

If one load cell is faulty it is possible to change from Standard Roll to Single Side Measurement.
For load cell connections, please refer to cable diagrams in Appendix B, C, D, E, F or G for the
load cell type used in the installation.
Depending on which load cell that is faulty, do the following:
Load cell A is faulty:
1. Disconnect load cell A from the Tension Electronics.
2. Connect a shorting wire for the load cell excitation circuit between X1:3 and X1:4.
Load cell B is faulty:
1. Disconnect load cell B from the Tension Electronics.
2. Connect a shorting wire for the load cell excitation circuit between X1:7 and X1:8.
After having changed the load cell connections, one parameter setting in the Tension Electronics
must be changed.
Use the menu below to change from StandardRoll to Single Side A or Single Side B