Mitsubishi Electric FR-E720-008 Instruction Manual page 41
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Also See for FR-E720-008:
- Installation manualline (43 pages) ,
- Instruction manual (312 pages)
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Control circuit specifications
(3)
Safety stop function operation
Input
Input signal
S1-PC
power
OFF
—
Short
ON
Open
Short
Open
∗1
At an internal safety circuit failure, one of E.SAF, E.6, E.7, and E.CPU is displayed on the operation panel.
∗2
SA is displayed when both of the S1 and S2 signals are in open status and no internal safety circuit failure exists.
∗3
ON: Transistor used for an open collector output is conducted.
OFF: Transistor used for an open collector output is not conducted.
For more details, refer to the Safety stop function instruction manual (BCN-A211508-004). (Please contact your sales
representative for the manual.)
32
Internal safety circuit
S2-PC
—
—
No failure
Short
Failure
No failure
Open
Failure
Open
Failure
Short
Failure
Output signal
∗1
SAFE
SAFE2
∗3
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
∗2
OFF
OFF
OFF
OFF
OFF
OFF
Inverter operation enable signal
∗3
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)
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