ABB FSO-21 - Standard Function and Wiring Examples

Planning for installation 291
 Standard function and wiring examples
Passive switch
Examples:
• Limit switch
• Emergency stop button
Relay / contactor output with feedback
Examples:
• Brake control
• Door/gate unlock
1
10
9
8
7
6
5
4
3
2
X114
TP
DO
GND
DI
X113
Physical separation of the
different channels or appropriate
cable protection (eg. double-
shielding)
Channel separation
Diagnostic pulses
1
10
9
8
7
6
5
4
3
2
X114
TP
DO
GND
DI
X113
Diagnostic pulses