Atlas Copco PowerMACS 4000, User Manual

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PLC
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5.3.2 Bolt variables
The following inputs can be used to monitor the status of each individual bolt:
Variable Type Use
COMPERRORS ARRAY[1..50]
OF BYTE Reports the most commonly reported bolt errors for each of the
bolts.
The respective bits have the following meaning (bit 0 is the least
significant):

0: (value 1) THM (Torque High Monitoring)

1: (value 2) TLM (Torque Low Monitoring)

2: (value 4) AHM (Angle High Monitoring)

3: (value 8) ALM (Angle Low Monitoring)

4: (value 16) OK (Bolt status OK).
This bit is set if the bolts final status is
OK.

5: (value 32) Reserved

6: (value 64) Reserved

7: (value 128) Reserved