BENSHAW RediStart MX3 Series, User Manual

Page: 101 / 238

93
6 - PARAMETER DESCRIPTION
Description If the MX
3
detects a one cycle, average current that is greater than the level defined, an over current alarm
condition exists and any relays programmed as alarm will energize. The over current timer starts a delay time.
If the over current still exists when the delay timer expires, the starter Over Current Trips (F31) any relay
programmed as fault relay changes state.
The Over Current Trip is only active in the UTS state, Energy Saver state, Current follower or while in the
Phase Control mode.
A relay can be programmed to change state when an over current alarm condition is detected.
See Also Over Current Time parameter (PFN02) on page 93.
Auto Reset parameter (PFN23) on page 102.
Controlled Fault Stop Enable parameter (PFN25) on page 103.
Relay Output Configuration parameters (I/O 10 - 15) on page 112.
Over Current Trip Delay Time PFN 02
LCD Display
Range Off, 0.1 – 90.0 seconds (Default 0.1)
Description The Over Current Trip Delay Time parameter sets the period of time that the motor current must be greater
than the Over Current Trip Level (PFN01) parameter before an over current fault and trip occurs.
If "Off" is selected, the over current timer does not operate and the starter does not trip. It energizes any relay
set to Over current until the current drops or the starter trips on an overload.
A shear pin function can be implemented by setting the delay to its minimum value.
See Also
Over Current Level parameter (PFN01) on page 92.
Auto Reset parameter (PFN23) on page102.
Controlled Fault Stop Enable parameter (PFN25) on page 103.
Relay Output Configuration parameters (I/O 10 - 15) on page 112.
Under Current Trip Level PFN 03
LCD Display
Range
Off, 5 – 100 % of FLA
(Default Off)
PFN: Over Cur Tim
02
0.1 sec
PFN: Undr Cur Lvl
03
Off
Time
Alarm
Condition
Fault
Trip
% Current
Over Current Trip
Delay Time
PFN 02
Over Cur Level
PFN 01
Motor FLA
QST 01