Page 9-2
MPS Motor Protection System Rev. 6-F-022117
Technical Specifications
Starter-Control Stop Time:
Digital Input ........................ 30 to 80 ms
OPI ...................................... 70 to 200 ms
Network ............................... 30 to 80 ms
Relay Contacts (Relays 1 and 2):
Configuration ...................... N.O. (Form A)
CSA/UL Contact Rating ..... 8 A resistive 250 Vac, 5 A
resistive 30 Vdc
Supplemental Contact Ratings:
Break:
dc ................................... 200 W resistive,
ac .................................... 3,040 VA resistive,
1,000 VA inductive
(PF = 0.4)
Subject to maximums of 8 Aac and 5 Adc,
250 V (ac or dc).
Relay Contacts (Relays 3 and 4):
Configuration ...................... N.O. and N.C. (Form C)
CSA/UL Contact Rating ..... 8 A resistive 250 Vac,
8 A resistive 30 Vdc
Supplemental Contact Ratings:
Make/Carry ....................... 30 A, 0.2 s
Rating Code ...................... B300
Break:
dc ................................... 50 W resistive, 150 Vdc
ac .................................... 2,500 VA resistive,
360 VA inductive
(PF = 0.4)
Subject to maximums of 8 A and 250 V (ac or dc).
Solid-State Output (Relay 5):
Configuration ...................... N.O. (Form A)
Rating .................................. 100 mA, 250 V (ac or dc)
On Resistance ...................... 30 W maximum
Digital Inputs:
(1)
Range ................................... 24 to 130 V (ac or dc),
5 mA
Guaranteed On .................... 12 Vdc at 3 mA,
20 Vac at 3 mA
Guaranteed Off .................... 3 Vdc at 2 mA,
2.5 Vac at 0.3 mA
IRIG-B:
Format ................................. Amplitude Modulated
IRIG-B122
Amplitude ............................ 1 to 10 Vpp
Impedance ........................... 10 kW
Ratio .................................... 3:1 to 6:1
I/O Module Interface (OPI, RTD and DIF):
Module Supply
(1)
................ 24 Vdc, 400 mA maximum
Configuration ...................... RS-485, 2-wire multi-drop
Bus Length .......................... 1.2 km (4,000’) maximum
Cable ................................... Belden 3124A or
equivalent
Standard Network Communications:
Configuration ...................... RS-485, 2-wire multi-drop
Baud Rate ............................ 1.2, 2.4, 4.8, 9.6, 19.2
kbit/s
Protocols .............................. Modbus RTU and
A-B DF1
Isolation ............................... 120 Vac
Bus Length .......................... 1.2 km (4,000’) maximum
Real-Time Clock and Non-Volatile RAM:
Power-Off Retention ........... 7 Years at 20°C (68°F)
Battery Shelf Life ................ > 50 Years at 20°C (68°F)
Tightening Torque:
Ordering Option .................... MPS-CTU-XX-00
All Terminals .................. 0.6 N•m (5.31 lbf•in) maximum
Ordering Option .................... MPS-CTU-XX-01
CT Input Terminals ......... 0.79 N•m (7.0 lbf•in) maximum
All Other Terminals ........ 0.6 N•m (5.31 lbf•in) maximum
Dimensions:
Height ................................... 121 mm (4.8”)
Width .................................... 190 mm (7.5”)
Depth .................................... 127 mm (5.0”)
Shipping Weight ....................... 2.0 kg (4.4 lb)
PWB Conformal Coating .......... MIL-1-46058 qualified
UL QMJU2 recognized
Environment:
Operating Temperature ......... -40 to 60°C (-40 to 140°F)
Storage Temperature ............. -55 to 80°C (-67 to 176°F)
Humidity ............................. 85% Non-Condensing
Surge Withstand ........................ ANSI/IEEE C37.90.1-1989
(Oscillatory and Fast
Transient)
Certification .............................. CSA, Canada and USA
UL Recognized
(10)
Australia
To:
CSA C22.2 No. 14 Industrial Control Equipment
UL 60947-4-1 Low-voltage switchgear and control
gear - Part 4-1: Contactors and motor-starters -
Electromechanical Contactors and motor-starters.
UL 1053 Ground Fault Sensing and Relaying
Equipment
Australia, Regulatory Compliance Mark (RCM)
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