Littelfuse MPS - Page 92

Page B-4
MPS Motor Protection System Rev. 6-F-022117
Appendix B, MPS Set-Up Record
PART II: STARTER PARAMETERS
SET POINT
MIN
DEFAULT
MAX
UNIT
PROGRAM SELECTION
Starter Type (see Table 6.2)
Protection Only
Start Time
0.1
20.00
500
s
Stage 1 Delay
0.1
20.00
500
s
Stage 2 Delay
0.1
20.00
500
s
Stage 3 Delay
0.1
20.00
500
s
Backspin Timer
Disable
q Enable
q Disable
Backspin Delay
0.1
5.00
3,600
s
Remote Group
Digital Inputs
Enable
q Enable
q Disable
Network
Enable
q Enable
q Disable
OPI
Enable
q Enable
q Disable
Transfer
Type
Time
q Time
q Current
Level
1.0
1.25
3.0
x FLA
PART III: PROTECTION SET POINTS
FUNCTION & SET POINT
MIN
DEFAULT
MAX
UNIT
PROGRAM SELECTION
Overload
Trip Action
Trip1
q Disable
q Trip2
q Trip1
q Trip3
Model Type
NEMA
q NEMA
q K-Factor
K-Factor
1
6.00
10
Locked-Rotor Current
1.5
6.00
10
x FLA
Locked-Rotor Time Cold
0.10
10.00
100
s
Locked-Rotor Time Hot
0.10
5.00
100
s
Cooling Factor
0.10
2.00
10
I
2
t Start Inhibit
Disable
q Enable
q Disable
I
2
t Inhibit Level
(Per Unit Based on 100% I
2
t)
0.10
0.30
.90
pu
I
2
t Alarm Action
Alarm1
q Disable
q Alarm2
q Alarm1
q Alarm3
I
2
t Overload Alarm Level
0.50
1.00
1
pu
Reset Type
Normal
q Normal
q Auto
q Multiple Motor Sequence
Overcurrent
Trip Action
Trip1
q Disable
q Trip2
q Trip1
q Trip3
Trip Level
(I
p
is Phase-CT-Primary Rating)
1
10.00
15
x I
p
Trip Delay
0
0.05
10
s
Auxiliary Overcurrent
Trip Action
Disable
q Disable
q Trip2
q Trip1
q Trip3
Trip Level
(I
p
is Phase-CT-Primary Rating)
1
10.00
15
x I
p
Trip Delay
0
0.05
10
s