Mitsubishi Electric fr-e700 series, Instruction Manual

Page: 284 / 608

Function assignment of external terminals Parameter
6 - 130
Alarm output signal (ALM)
If the inverter comes to trip, the ALM signal is output. (Refer to section 7.1.)
Fault output 3 (power-off signal) (Y91)
The Y91 signal is output at occurrence of a fault attributable to the failure of the inverter circuit or a
fault 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. 192 "Output terminal function selection" to assign the function to the out-
put terminal.
I001797E
Fig. 6-60: Alarm signals
NOTE The ALM signal is assigned to the ABC contact in the default setting. By setting "99" (positive logic)
or "199" (negative logic) in Pr. 190 to Pr. 192 "Output terminal function selection", the ALM signal
can be assigned to the other signal.
Operation Panel Indication Name
E.BE Brake transistor alarm detection
E.GF Output side earth (ground) fault overcurrent
E.LF Output phase loss
E.PE Parameter storage device fault
E.PE2 Internal board fault
E. 6/
E. 7
E.CPU
CPU fault
E.IOH Inrush current limit circuit fault
Tab. 6-33: Faults that lead to Y91 signal output
NOTE
At occurrence of output side earth (ground) fault overcurrent (E.GF), overcurrent trip during accel-
eration (E.OC1) may be displayed. At this time, the Y91 signal is output.
Inverter alarm occurrence
(output shutoff )
Output
fr
equenc
y
Reset ON
Time
Reset processing
(about 1 s)
ON
ON