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Safety stop function operation
Input
Internal safety
power
circuit status
OFF
Normal
Normal
Normal
Normal
ON
Fault
Fault
Fault
Fault

ON: The transistor is conducted. OFF: The transistor is not conducted.

When not using the safety stop function, short across terminals S1 and PC, S2 and PC, and SIC and SD to use the inverter. (In the initial status,
terminals S1 and PC, S2 and PC, and SIC and SD are respectively shorted with shorting wires.)

If any of the protective functions shown in the following table is activated, the terminal SO turns OFF.
Fault record
Option fault
Communication option fault
Parameter storage device fault
Retry count excess
Parameter storage device fault
Operation panel power supply
short circuit/RS-485 terminals
power supply short circuit
24 VDC power fault
Safety circuit fault

If the internal safety circuit is operated normally, the terminal SO remains ON until E.SAF is displayed, and the terminal SO turns OFF when
E.SAF is displayed.

SA is displayed when the terminals S1 and S2 are identified as OFF due to the internal safety circuit failure.

If another fault occurs at the same time as E.SAF, the other fault can be displayed.

If another warning occurs at the same time as SA, the other warning can be displayed.
For more details, refer to the Safety stop function instruction manual. (Find a PDF copy of this manual in the CD-ROM
enclosed with the product.
Output
Input terminal
,


terminal
S1
S2
OFF
ON
ON
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
Operation panel
indication
E.OPT
Overspeed occurrence
E.OP1
Speed deviation excess detection
E.PE
Signal loss detection
E.RET
Excessive position fault
E.PE2
Brake sequence fault
Encoder phase fault
E.CTE
CPU fault
E.P24
Internal circuit fault
E.SAF
Inverter running status
SO
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)
Output shutoff (Safe state)
Output shutoff (Safe state)
Fault record
INSTALLATION AND WIRING
Control circuit
Operation panel
indication
E.SAF
SA


Not displayed Not displayed
Not displayed Not displayed
Displayed
Displayed
Displayed
Displayed
Not displayed Displayed
Not displayed
Displayed

Displayed
Displayed
Displayed
Displayed
Displayed
Displayed
Operation panel
indication
E.OS
E.OSD
E.ECT
E.OD
E.MB1 to E.MB7
E.EP
E.CPU
E.5 to E.7
E.13
2
43

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