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174 •
Reference Commands for Move Mode
Setpoint
commands
WAGO-I/O-SYSTEM
750
I/O
Modules
3.2.4.1.11
START_REFERENCING (0x20)
Starts a reference run. This command immediately deletes the bits On_Target
and Reference_OK and sets them when the reference value is reached. The
Busy bit is set during a reference run.
The reference run is always performed at the setup speed SpeedSetup and at
the setup acceleration SetupAcceleration.
Request
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
MB0
0x40
MB1 T
-
MB2
0x20
MB3 Reserved
MB4 Reserved
MB5 Reserved DIR
STD SWT
0: Reference run to reference switch:
SWT
1: Reference run to limit switch:
If SWT = 0, then STD indicates the starting direction, if SWT = 1, then
STD specifies the limit switch.
0: Starting direction negative / negative limit switch:
STD
1: Starting direction positive / positive limit switch:
DIR is evaluated only when SWT = 1.
0: Reference run started from negative end.
DIR
1: Reference run started from positive end.
Response
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
MB0
0x40
MB1 T
Return
Code
MB2
0x20
MB3 Reserved
MB4 Reserved
MB5 Reserved