Mitsubishi Electric FR-E700 Instruction Manual page 62

Control circuit specifications
Safety stop function operation
Input Power
OFF
ON
Tab. 3-15: Description of Safety stop function operation
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.
NOTE
For more details, refer to the Safety stop function instruction manual (BCN-A211508-004). (Please
contact your sales representative for the manual.)
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Input Signal Internal
Safety Circuit
S1-PC S2-PC
— —
No failure
Short Short
Failure
No failure
Open Open
Failure
Short Open Failure
Open Short Failure
Output Signal
SAFE SAFE2
— OFF OFF
OFF ON
OFF OFF
ON ON
OFF OFF
OFF OFF
OFF OFF
Wiring
Inverter Operation Enable
Signal
Output shutoff (Safe state)
Drive enabled
Output shutoff (Safe state)
Output shutoff (Safe state)
Output shutoff (Safe state)
Output shutoff (Safe state)
Output shutoff (Safe state)