Mitsubishi Electric F700 Instruction Manual page 118

Function assignment of external
terminal and control
REMARKS
Refer to page 236 for the inverter alarm description.
(4) Input MC shutoff signal (Y91 signal)
⋅ The Y91 signal is output at occurrence of an alarm attributable to the failure of the inverter circuit or an alarm
caused by a wiring mistake.
⋅ When using the Y91 signal, set "91 (positive logic)" or "191 (negative logic)" to any of Pr. 190 to Pr. 196 (output
terminal function selection) to assign the function to the output terminal.
⋅ The following table indicates the alarms that will output the Y91 signal. (Refer to page 236 for the alarm description.)
No.
1 Inrush current limit circuit alarm (E.IOH)
2 CPU error (E.CPU)
3 CPU error (E.6)
4 CPU error (E.7)
5 Parameter storage device alarm (E.PE)
6 Parameter storage device alarm (E.PE2)
7 24VDC power output short circuit (E.P24)
Operation panel power supply short circuit, RS-485 terminal
8
power supply short circuit(E.CTE)
9 Output side earth(ground) fault overcurrent protection(E.GF)
10 Output phase failure (E.LF)
11 Opposite rotation deceleration error (E.BE)
♦ Parameters referred to ♦
Pr. 13 Starting frequency
Pr. 76 Alarm code output selection
110
Alarm Definition
Refer to page 93
Refer to page 134