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Maintenance Function (pr. 890 To Pr. 892); Maintenance Output Function (pr. 890 To Pr. 892) - Mitsubishi Electric FR-V560 Instruction Manual

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4.40 Maintenance function (Pr. 890 to Pr. 892)

4.40.1 Maintenance output function (Pr. 890 to Pr. 892
When the cumulative operation time (Pr. 891 "maintenance output timer") of the inverter has elapsed the time
set in Pr. 890 "maintenance output setting time", the maintenance output (MT) signal is output and an alarm is
displayed on the PU (FR-DU04
intervals can be set using Pr. 890 "maintenance output setting time". (usable for a capacitor life alarm, etc.)
Parameter
Name
890
Maintenance output setting time
891
Maintenance output timer
892
Maintenance output signal clear
Initial power on
Maintenance
output timer
(Pr.891)
MT output/display
• The maintenance output timer count displayed on the FR-DU04
• Writing 0 to Pr. 892 enables the maintenance (MT) output/display to be turned off.
(This is designed to turn it off only when the user intends to turn it off.)
• When the Pr. 891 setting is less than the Pr. 890 value, the maintenance output turns off.
1) Pr. 891 "Maintenance output timer"
The cumulative operation time of the inverter is counted every 1hr and the stored time in E
increment.
REMARKS
• The time is counted regardless of the Pr. 890 "maintenance output setting time" value.
• The timer can be cleared by setting "0" in Pr. 891 when Pr. 77="801". Make sure that the Pr. 77 value is reset to the original
value.
2) Setting the MT signal
Set "37" (maintenance output signal) in Pr. 190 to Pr. 192 or Pr. 195 (output terminal function selection) to set the
MT signal. (Refer to page 165)
-1
/FR-PU04V). A repetition signal output and alarm display st specified
Factory Setting
9999
0
0
Pr.890
Pr.890
OFF
ON
0 written to Pr. 892
199
Maintenance function (Pr. 890 to Pr. 892)
with
without
with
Encoder
Encoder
Encoder
Torque
Speed
Setting Range
,
0 to 9998
9999
9999: Function invalid
0 to 9998
0
Pr.890
ON
is clamped at 9998 (99980h).
-1
2
PROM is output in 10hrs
without
Condi-
tional PLC
SSC
Encoder
)
Position
Remarks
Extended
mode
99980h
4

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