July 2013 8.4 Keystroke simulation 1405
8.4.3 Touchpad on USB port
In order to prevent accidental entries via the touchpad, you can lock it via the
PLC with Module 9185.
This module is used to disable or enable entries via screen pointing devices
that are attached to the USB port. The module does this by deactivating the
mouse pointer on the screen The status of the locking can also be
interrogated.
Module 9185 Touchpad status
Call:
PS B/W/D/K <Mode>
0: Activate mouse pointer (UNLOCK)
1: Deactivate mouse pointer (LOCK)
2: Status request
CM 9185
PL B/W/D <Status>
-1: Status not defined
0: Mouse pointer active
1: Mouse pointer inactive
Error code:
Marker Value Meaning
M4203 0 Function was performed
1 Error code in W1022
W1022 2 Invalid mode
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