Mitsubishi Electric FR-F740-00023

255
Useful functions
4
/:D:O$>$D+
4.21.4 Current average value monitor signal (Pr. 555 to Pr. 557)
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selection6
Programmable
controller
Output
unit
Input
unit
maintenance
time
parts have
reached their life
Inverter
Y93 signal
1) Data output mask time
2) Start pulse
1 cycle (20s)
3) Output current average value pulse
Next cycle
Time
Output
frequency
From acceleration to constant speed operation
Signal output time=
output current average value (A)
Pr. 557 (A)
5s
4) Maintenance timer pulse
Signal output time=
5s
40000h
5) End pulse
The averaged current value is output as low pulse shape for
0.5 to 9s (10 to 180%) during start bit output.
When the speed has changed to constant
from acceleration/deceleration, Y93 signal is
not output for Pr. 556 time.
Pr. 503 100h
output as low pulse
shape for 1 to 16.5s
The maintenance timer value (Pr. 503) is output
as Hi output pulse shape for 2 to 9s (16000h to
72000h).
Output as Hi pulse shape for 1s (fixed)
Time set in Pr. 555 and output current are averaged.