Current Average Value Monitor Signal (Pr. 555 To Pr. 557) - Mitsubishi Electric FR-E700 Instruction Manual
Frequency inverter
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Parameter
6.21.4
Current average value monitor signal (Pr. 555 to Pr. 557)
The average value of the output current during constant speed operation and the maintenance
timer value are output as a pulse to the current average value monitor signal (Y93). The pulse
width output to the I/O module of the PLC or the like can be used as a guideline due to abrasion
of machines and elongation of belt and for aged deterioration of devices to know the mainte-
nance time.
The current average value monitor signal (Y93) is output as pulse for 20s as 1 cycle and re-
peatedly output during constant speed operation.
Fig. 6-154: Monitoring the maintenance timer and current average value
Pr. No. Name
555
Current average time
556
Data output mask time
Current average value
557
monitor signal output
reference current
The above parameters can be set when Pr. 160 "User group read selection" = 0.
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".
FR-E700 EC
PLC
Maintenance
time
Parts have
reached their life!
Initial
Setting
Description
Value
Range
Set the time taken to average the cur-
1s
0.1–1.0s
rent during start bit output (1s).
Set the time for not obtaining (mask)
0s
0.0–20.0s
transient state data.
Set the reference (100%) for output-
Rated
inverter
0–500A
ting the signal of the current average
current
value.
Output unit
Input unit
Parameters referred to
57
190–192
503
Useful functions
Inverter
I001940E
Refer to
Section
Restart coasting
6.12.1
time
Output terminal
6.10.5
function selection
Maintenance timer
6.21.3
6 - 301
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