Remote Output Function (Rem Signal, Pr. 495 To Pr. 497) - Mitsubishi Electric FR-A740-00023 Instruction Manual

4.15.10 Remote output function (REM signal, Pr. 495 to Pr. 497)

You can utilize the on/off of the inverter's output signals instead of the remote output terminal of the
programmable logic controller.
Parameter
Name
Number
495 Remote output selection
496 * Remote output data 1
497 * Remote output data 2
* The above parameters allow its setting to be changed during operation in any operation mode even if "0" (initial value) is set in Pr.
77 Parameter write selection.
<Remote output data>
Pr. 496
b11
Pr. 497
b11
*1 As desired
*2 Y0 to Y6 are available only when the extension output option (FR-A7AY)
is fitted
*3 RA1 to RA3 are available only when the relay output option (FR-A7AR) is
fitted
Example)When "96" (positive logic) is set in Pr. 190 RUN terminal function selection and "1" (H01) is set in Pr. 496,
the terminal RUN turns on.
ON/OFF example for positive logic
Pr. 495 = 0, 10 Pr. 495 = 1, 11
Power
Power
OFF
supply
supply
REM OFF REM
REM signal clear
REMARKS
⋅ 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 the inverter is reset (terminal reset, reset request through communication), Pr. 496 and Pr. 497 values turn to "0". When Pr.
495 = "1, 11", however, they are the settings at power supply-off. (The settings are stored at power supply-off.) When Pr. 495 =
"10, 11", they are the same as before an inverter reset is made.
CAUTION
⋅ When Pr. 495 = "1" (remote output data retention even at powering off), take such a step as to connect R1/L11, S1/L21 and P/+,
N/- to ensure that control power will be retained to some degree. If you do not take such a step, the output signals provided after
power-on are not guaranteed.
♦ Parameters referred to ♦
⋅
Pr. 190 to Pr. 196 (output terminal function selection)
Initial Setting
Value Range
0
1
0
10
11
0 0 to 4095
0 0 to 4095
b0
b0
⋅ When Pr. 495 = "0 (initial value), 10", performing a power
supply reset (including a power failure) clears the REM signal
output. (The ON/OFF status of the terminals are as set in Pr.
190 to Pr. 196.) The Pr. 496 and Pr. 497 settings are also "0".
OFF
When Pr. 495 = "1, 11", the remote output data before power
Inverter
reset time supply-off is stored into the EEPROM, so the signal output at
(about 1s)
power recovery is the same as before power supply-off.
ON
However, it is not stored when the inverter is reset (terminal
reset, reset request through communication).
REM signal held
(See the chart on the left)
⋅ When Pr. 495 = "10, 11", the signal before reset is held even
an inverter reset is made.
Refer to page 230
Function assignment of external terminal and control
Description
Remote output data clear at powering off Remote output data
Remote output data retention even at
powering off
Remote output data clear at powering off Remote output data
Remote output data retention even at
powering off
Refer to the following diagram.
⋅ The output terminal can be turned on/off depending on
the Pr. 496 or Pr. 497 setting. The remote output
selection can be controlled on/off by computer link
communication from the PU connector or RS-485 port
or by communication from the communication option.
⋅ Set "96" (positive logic) or "196" (negative logic) to any
of Pr. 190 to Pr. 196 (output terminal function selection),
and assign the remote output (REM) signal to the
terminal used for remote output,
⋅ When you refer to the diagram on the left and set 1 to
the terminal bit (terminal where the REM signal has
been assigned) of Pr. 496 or Pr. 497, the output terminal
turns on (off for negative logic). By setting 0, the output
terminal turns off (on for negative logic).
clear at inverter
reset
retention even at
inverter reset
4
241