IMPULSE•G+ Mini Advanced Instruction Manual – March 2014
5-31
Maintenance Timer
The maintenance timer feature will set an output after a pre-determined period of time (hours) to
alert an operator to perform or take some action, i.e. grease the bearings.
To use this feature, program the number of hours between each maintenance cycle in C12.05. Then
program a multi-function input for maintenance timer enable (H01.01–H01.07 = 043). Finally,
program a multi-function output for timer output (H02.01~H02.03 = 037). Enable the maintenance
timer by closing the multi-function input for maintenance timer enable. U01.52 will display the
maintenance timer accumulator. Setting C12.05 = 00000 will disable this function.
When the pre-determined time has been reached (C12.05), the multi-function output will close, the
keypad will flash “MNT,” and the drive will slow down to the speed determined by the Maintenance
Speed Gain (C12.06).
The maintenance alarm can be set in one of two methods.
Method 1: A multi-function input can be programmed for Maintenance Reset (H01.01–H01.07 =
05A). Closing this input will reset the maintenance accumulator (U01.52) and reset the multi-
function output.
Method 2: Press the Local/Remote (LO/RE) button three consecutive times with no more than 2
seconds between each press until the blinking RESET message is displayed. Press ENTER to reset
the maintenance timer. The RESET message will stop blinking when maintenance is reset. The
Multi-Function Output will turn off at this time.
Parameter
Code Name Function Range Initial Value
Access
Level
C12.05 Maintenance Timer Maintenance Timer Trip
Level
00000–32767 00000 Adv
C12.06 Maintenance Speed Gain Speed Reference Gain 0.00–1.00 0.5 Adv
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