Mitsubishi Electric FR-F740 EC Instruction Manual page 284

Fr-f700 series
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Function assignment of external terminals
When Pr. 495 = "0 (initial value) or 10", performing a power supply reset (including a power fail-
ure) clears the REM signal output. (The ON/OFF states of the terminals are as set in Pr. 190 to
Pr. 196.) The Pr. 496 and Pr. 497 settings are also "0".
When Pr. 495 = "1 or 11", the remote output data before power supply-off is stored into the
E²PROM, so the signal output at power recovery is the same as before power supply-off. How-
ever, it is not stored when the inverter is reset (terminal reset, reset request through commu-
nication). (See the chart below.)
When Pr. 495 = "10 or 11", the signal before reset is held even an inverter reset is made.
Fig. 6-73:
Fig. 6-74:
When Pr. 495 = "1", the signal condition saved in E²PROM (condition of the last power OFF)
is applied.
NOTES
The output terminal where the REM signal is not assigned using any of Pr. 190 to Pr. 196
does not turn on/off if "0/1" is set to the terminal bit of Pr. 496 or Pr. 497. (It turns on/off with
the assigned function.)
When Pr. 495 ="1, 11"(remote output data retention at power OFF), connect R1/11 with P/+,
and S1/L21 with N/– so that the control power is retained. If you do not take such a step, the
output signals provided after power-on are not guaranteed.
6 - 134
Pr. 495 = 0, 10
Power
OFF
supply
REM
REM signal clear
ON/OFF example for source logic
Pr. 495 = 0, 1
Reset
ON
REM
ON
OFF
Signal condition during a reset
Pr. 495 = 1, 11
OFF
Pr. 495 = 10, 11
Reset
REM
Parameter
OFF
Inverter reset
time
(about 1s)
ON
REM signal held
ON
ON
I001158E
I002128E

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