18
Wiring
(3) Safety stop function operation
For more details, refer to the Safety stop function instruction manual (BCN-A211508-004). (Please contact your sales
representative for the manual.)
Input
power
Input signal
Internal safety circuit
Output signal
Inverter operation enable signal
S1-PC S2-PC SAFE SAFE2
OFF — — — OFF OFF Output shutoff (Safe state)
ON
Short Short
No failure OFF ON Drive enabled
Failure OFF OFF Output shutoff (Safe state)
Open Open
No failure ON ON Output shutoff (Safe state)
Failure OFF OFF Output shutoff (Safe state)
Short Open Failure OFF OFF Output shutoff (Safe state)
Open
Short Failure OFF OFF Output shutoff (Safe state)
At an internal safety circuit failure, one of E.SAF, E.6, E.7, and E.CPU is displayed on the operation panel.
SA is displayed when both of the S1 and S2 signals are in open status and no internal safety circuit failure exists.
ON: Transistor used for an open collector output is conducted.
OFF: Transistor used for an open collector output is not conducted.