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SPECIFICATIONS
Control
1–12
LOGIC ELEMENTS
Number of logic elements:............................. 16
Trigger source inputs per element: ............ 3
Block inputs per element: ............................... 3
Supported operations: ..................................... OR, AND, NOT, Pickup / Dropout timers
Pickup timer: ......................................................... 0 to 60000 ms in steps of 1 ms
Dropout timer:...................................................... 0 to 60000 ms in steps of 1 ms
BREAKER CONTROL
Operation: .............................................................. Asserted Contact Input, Logic Element, Virtual Input, Manual
Function: ................................................................. Opens/closes the motor breaker
START INHIBIT
Thermal Start Inhibit: ........................................ Thermal Inhibit Margin: 0 to 25 % in steps of 1%
Starts per Hour Inhibit:..................................... Maximum: 1 to 5 starts in steps of 1
Time Between Starts Inhibit: ......................... Time Between Starts: 1 to 3600 s in steps of 1 s
Restart Inhibit:...................................................... Restart Inhibit Delay: 1 to 50000 s in steps of 1 s
BREAKER FAILURE/WELDED CONTACTOR
Current Supervision:.......................................... Phase Current
Current Supervision Pickup:........................... 0.05 to 20.00 x CT in steps of 0.01 x CT
Time Delay 1:........................................................ 0.03 to 1.00 s in steps of 0.01 s
Time Delay 2:........................................................ 0.00 to 1.00 s in steps of 0.01 s
Current Supervision Dropout: ....................... 97 to 98% of pickup
Current Supervision Accuracy:..................... per CT input
Timing Accuracy:................................................ 0 to 1 cycle (Timer 1, Timer 2)
BREAKER TRIP COUNTER
Trip Counter Limit (Pickup):............................. 1 to 10000 in steps of 1
EMERGENCY RESTART
Function: ................................................................. Defeats all motor start inhibit features, resets all trips and
Operation: .............................................................. Contact Input 1 to 10, Virtual Input 1 to 32, Logic Element 1
LOCKOUT RESET
Function: ................................................................. Reset any lockout trips when this feature is configured.
Operation: .............................................................. Contact Input 1 to 10, Virtual Input 1 to 32, Logic Element 1
RESET
Function: ................................................................. Resets any alarms and non-lockout trips when LOCKOUT
Operation: .............................................................. Contact Input 1 to 10, Virtual Input 1 to 32, Logic Element 1
AMBIENT TEMPERATURE
High Temperature Pickup:.............................. 20°C to 80°C in steps of 1°C
Low Temperature Pickup: ............................... -40°C to 20°C in steps of 1°C
Time Delay:............................................................ 1 to 60 min in steps of 1 mins
Temperature Dropout:...................................... Configurable 90 to 98% of pickup
Temperature Accuracy: ................................... ±10°C
Timing Accuracy:................................................ ±1 second
Command, Remote Input
alarms, and discharges the thermal capacity to zero so that
a hot motor can be restarted in the event of an emergency
to 16, Remote Input 1 to 32
to 16, Remote Input 1 to 32
RESET is configured, or resets any alarms and trips (lockout
and non-lockout trips) when LOCKOUT RESET is not
configured.
to 16, Remote Input 1 to 32
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION
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