-78-
3 Wiring
3.7 Definition and Connection of STO terminal
This section describes the definition and function of the I/O connecting terminal (CN6) for safe torque off
(STO).
1 Terminal layout
4
3
1
2
COM
STO1
24V
STO2
1) Pin map of the input connector
Terminal
Pin No.
Name
Value
Description
CN6
1
COM
0 V
STO reference ground
2
24V
24 V
24 V power supply for commissioning
3
STO1
-
Control input for STO1
4
STO2
-
Control input for STO2
2) Two isolated inputs are configured to dual-channel inputs of STO function: STO1/STO2.
3) To make it more user-friendly during commissioning, an additional pin with supply voltage (+24V)
is integrated. The bridging of the 24 volts is needed in case the safety circuit is installed but no STO
function is needed.
NOTE
Remove the short-circuit jumper when STO is needed in actual applications.
Содержание SV660
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