July 2013 3.41 Handwheel input 389
As a result of the cross-circuit-safety, the information from the permissive
buttons of handwheels with FS must be evaluated differently in the safety
circuit and in the PLC program:
The safety circuit (e.g. safety contactor combination) and the PLC program
must evaluate the new logic behind the permissive buttons. Only the state X1/
1 = 1 and X1/2 = 0 at the handwheel adapter (ID 296466-xx) is valid for
permission.
Dummy plug The dummy plug is wired as follows:
Handwheel without FS Handwheel with FS
X1/1 X1/2 Permission X1/1 X1/2 Permission
00No 00No
a
a. Invalid state: Error (broken wire or cross circuit). This state should
be interrogated in the PLC program, and a corresponding error
message should be displayed.
01No 01No
10No 10Yes
11Yes 11No
a
Dummy plug without FS
ID 271958-03
Dummy plug for FS
ID 271958-05
X1/1 X1/2 Permission X1/1 X1/2 Permission
00No 01No
X1/
1
X1/
3
X1/
2
X2/
1 3
X2/
4 2
X1/
1
X1/
3
X1/
2
X2/
1 3
X2/
4 2
Handwheel adapter
ID 296 466-xx
Dummy plug for
HR 410/HR 520
Dummy plug for
HR 410FS/HR 520FS
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