(E) Environment setting parameters
95
5
GROUP
E
5.2.10
Maintenance timer alarm
• The cumulative energization time of the converter unit is stored in the EEPROM every hour and displayed in
Pr.503
(Pr.686, Pr.688)
in 100 h increments.
Pr.503 (Pr.686, Pr.688)
is clamped at 9998 (999800 h).
• When the value in
Pr.503 (Pr.686, Pr.688)
reaches the time (100 h increments) set in
Pr.504 (Pr.687, Pr.689)
,
Maintenance
timer signal (Y95) is output, and also
(MT1),
(MT2), or
(MT3) is displayed on the operation panel.
• For the terminal used for Y95 signal output, assign the function by setting "95 (positive logic)" or "195 (negative logic)" in
any of
Pr.190 to Pr.195 (Output terminal function selection)
.
NOTE
• The Y95 signal turns ON when any of MT1, MT2 or MT3 is activated. It does not turn OFF unless all of MT1, MT2 and MT3
are cleared.
• If all of MT1, MT2 and MT3 are activated, they are displayed in the priority of "MT1 > MT2 > MT3".
• The cumulative energization time is counted every hour. Energization time of less than 1 h is not counted.
• Changing the terminal assignment using
Pr.190 to Pr.195 (Output terminal function selection)
may affect the other
functions. Set parameters after confirming the function of each terminal.
Parameters referred to
Pr.190 to Pr.195 (Output terminal function selection)
The maintenance timer output signal (Y95) is output when the converter unit's cumulative energization time reaches the
time period set with the parameter. MT1, MT2 or MT3 is displayed on the operation panel.
This can be used as a guideline for the maintenance time of peripheral devices.
Pr.
Name
Initial value
Setting range
Description
503
E710
Maintenance timer 1
0
0 (1 to 9998)
Displays the converter unit's cumulative
energization time in increments of 100 h
(read-only).
Writing the setting of "0" clears the
cumulative energization time while
Pr.503
= "1 to 9998". (Writing is disabled
when
Pr.503
= "0".)
504
E711
Maintenance timer 1 warning
output set time
9999
0 to 9998
Set the time until the maintenance timer
signal (Y95) is output.
MT1 is displayed on the operation panel.
9999
No function
686
E712
Maintenance timer 2
0
0 (1 to 9998)
The same function as
Pr.503
.
687
E713
Maintenance timer 2 warning
output set time
9999
0 to 9998
The same function as
Pr.504
.
MT2 is displayed on the operation panel.
9999
688
E714
Maintenance timer 3
0
0 (1 to 9998)
The same function as
Pr.503
.
689
E715
Maintenance timer 3 warning
output set time
9999
0 to 9998
The same function as
Pr.504
.
MT3 is displayed on the operation panel.
9999
First power
Time
ON
Maintenance
timer 1
(Pr.503)
Set "0" in
Pr.503
Y95 signal
MT1 display
OFF
ON
ON
Pr.504
9998
(999800h)
Operation example of the maintenance timer 1
(Pr.503, Pr.504)
(with both MT2 and MT3 OFF)
Summary of Contents for FR-CC2-P
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