Littelfuse MPS - Page 96

Page B-8
MPS Motor Protection System Rev. 6-F-022117
Appendix B, MPS Set-Up Record
FUNCTION & SET POINT
MIN
DEFAULT
MAX
UNIT
PROGRAM SELECTION
PTC Temperature
Trip Action
Disable
q Disable
q Trip2
q Trip1
q Trip3
Alarm Action
Disable
q Disable
q Alarm2
q Alarm1
q Alarm3
RTD-Sensor-Error Trip Action
Disable
q Disable
q Trip2
q Trip1
q Trip3
RTD-Sensor-Error Alarm
Action
Alarm1
q Disable
q Alarm2
q Alarm1
q Alarm3
Hot-Motor Compensation (HMC)
Disable
q Enable
q Disable
HMC High
40
150.00
200
°C
HMC Low
40
40.00
200
°C
Acceleration Failure—
Underspeed
Trip Action
Disable
q Disable
q Trip2
q Trip1
q Trip3
Speed 1 (Percent Sync Speed)
1
30.00
100
% SS
Time 1
1
5.00
1,000
s
Speed 2
1
60.00
100
% SS
Time 2
1
10.00
1,000
s
Speed 3
1
90.00
100
% SS
Time 3
1
15.00
1,000
s
Overvoltage
Trip Action
Trip1
q Disable
q Trip2
q Trip1
q Trip3
Trip Level
(V
p
is system voltage)
1
1.20
1.4
x V
p
Trip Delay
1
5.00
500
s
Alarm Action
Alarm1
q Disable
q Alarm2
q Alarm1
q Alarm3
Alarm Level
(V
p
is system voltage)
1
1.10
1.4
x V
p
Alarm Delay
1
5.00
500
s
Undervoltage
Trip Action
Disable
q Disable
q Trip2
q Trip1
q Trip3
Trip Level
(V
p
is system voltage)
0.5
0.70
1
x V
p
Trip Delay
1
5.00
500
s
Alarm Action
Disable
q Disable
q Alarm2
q Alarm1
q Alarm3
Alarm Level
(V
p
is system voltage)
0.5
0.80
1
x V
p
Alarm Delay
1
5.00
500
s
Starts/Hour
Trip Action
Disable
q Disable
q Trip2
q Trip1
q Trip3
Alarm Action
q Disable
q Alarm2
q Alarm1
q Alarm3
Number of Starts/Hour
1
5
10
Time Between Starts
0
0.00
500
min