Maintenance Function (Pr. 890 To Pr. 892); Maintenance Output Function (Pr. 890 To Pr. 892) - Mitsubishi Electric FR-V500 Instruction Manual

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

3.40.1 Maintenance output function (Pr. 890 to Pr. 892
When the cumulative energization 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
specified 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 energization time of the inverter is counted every 1hr and the stored time in E
10hrs 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 152)
/FR-PU04V). A repetition signal output and alarm display at
-1
Factory Setting
9999
0
0
Pr. 890
Pr. 890
OFF ON
0 written to Pr. 892
187
Maintenance function (Pr. 890 to Pr. 892)
speed torque
Setting Range
,
9999: Function invalid
0 to 9998 9999
0 to 9998
0
Pr. 890
ON
is clamped at 9998 (99980h).
-1
position )
Remarks
Extended
mode
99980h
2
PROM is output in
3