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Module 9122 Status of PLC axis
Request for PLC positioning status.
Condition:
n
Status changes through the PLC positioning command are not detected
until the next PLC scan.
Call:
PS
B/W/D/K <Axis>
0 to 8 correspond to axes 1 to 9
CM
9122
PL
B/W/D
<Status>
Bit 0 – A PLC axis?
0: NC axis or not active
1: PLC axis
Bit 1 – Reference mark
0: Reference mark not yet traversed
1: Reference mark traversed
Bit 2 – Positioning
0: Inactive
1: Active
Bit 3 – Direction of motion
0: Positive
1: Negative
Bit 4 – Positioning error
0: No positioning errors occurred
1: Positioning error
Bit 5 – Close-loop or open-loop axis
0: Close-loop axis was programmed
1: Axis programmed which was switched to open-loop in
Module 9155
Bit 6 – Target position reached?
0: Target position not yet reached
1: Target position reached
HEIDENHAIN Technical Manual TNC 426, TNC 430
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