6 – 34 HEIDENHAIN Technical Manual TNC 426, TNC 430
Module 9221 Starting a PLC positioning movement
Starts a PLC positioning movement in one axis.
Call:
0 to 8 correspond to axes 1 to 9
PS B/W/D/K <Target position>
Input unit: 0.0001 mm
PS B/W/D/K <Feed rate>
Input unit: mm/min
PS B/W/D/K <Mode>
Bit 0 – Definition of the target position:
0: Absolute, i.e. relative to the machine datum
1: Incremental
Bit 1 – Software limit switch:
0: Inactive
1: Active
CM 9221
PL B/W/D <Error code>
0: Positioning is started
1: Axis is not in a closed loop or is an auxiliary axis
2: Inadmissible values for the feed rate
3: Axis has not traversed the reference mark
4: No M/S/T/Q strobe during running program
5: Programmed axis not in closed loop
Module 9222 Status request of PLC positioning movement
With this module you can interrogate the status of a PLC positioning
movement.
Call:
0 to 8 correspond to axes 1 to 9
CM 9222
PL B/W/D <Status>
0: No PLC positioning was started
1: Target position reached
2: PLC positioning was started
3: Due to cancellation, target position not attained
4: Target position is outside of traverse range
5: Positioning not possible (e.g. due to “free rotation”)
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