1PosUniversal/Digital
7.6 Functions of the 1PosU
ET 200S Positioning
350 Operating Instructions, 05/2007, A5E00124871-04
7.6.12 Changing the Switch-Off Difference (JOB 3)
Definition
Changing the switch-off difference allows you to adjust the drive control to adapt to any
changes in the load and mechanical conditions.
Supply the control interface with the new switch-off difference, and activate JOB 3.
The 1PosU accepts the specified switch-off difference.
The switch-off difference remains valid until the parameter assignment of the 1PosU is
changed.
Effect on the MODEs
MODE What Happens
Search for Reference
Inching
-
Absolute Positioning
Relative Positioning
Distance to the destination ≤ switch-off difference
The switch-off point is reached or overshot; positioning is switched off
immediately, and the run is terminated with POS_DONE = 1. In this case,
the destination is sometimes overshot.
Control Signals: Change Switch-Off Difference
Address Assignment
Bits 4.7 to 4.4 :
7 6 5 4 Bit
0 0 1 1
JOB 3 = Change the switch-off
difference
Byte 4
Bit 0: JOB_REQ
Bytes 5 to 7 Switch-off difference
(linear axis: 0 to 16 777 215; rotary axis: 0...16 777 215)
Feedback Signals: Change Switch-Off Difference
Address Assignment
Byte 4 Bit 0: JOB_ACK
See also
CPU/Master Stop and RESET State (Page 367)
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