Littelfuse MPS - MPS-OPI Operator Interface; MPS-RTD Module; MPS-DIF Differential Module; Communications Interface

Page 1-2
MPS Motor Protection System Rev. 6-F-022117
Introduction
• Up to twenty-four RTD inputs
• Five programmable output relays
• Network communications
• IRIG-B time-code input
1.2.6 MPS-OPI OPERATOR INTERFACE
• 4 x 20 vacuum-fluorescent display
• Starter-control keys
• Display-control and programming keys
• LED status indication
• Remote operation up to 1.2 km (4,000’)
• Powered by MPS-CTU
1.2.7 MPS-RTD MODULE
• Eight inputs per module
• Individually selectable RTD types
• RTD Voting
• Solid-state multiplexing
• Up to three modules per system
• Remote operation up to 1.2 km (4,000’)
• Powered by MPS-CTU
1.2.8 MPS-DIF DIFFERENTIAL MODULE
• 3-CT core-balance connection
• 6-CT summation connection
• Remote operation up to 1.2 km (4,000’)
• Powered by MPS-CTU
1.2.9 COMMUNICATIONS INTERFACE
The standard network communication interface is an
RS-485 port with Modbus
®
RTU and A-B
®
DF1 protocol
support. In addition to the standard interface, network
communication options include DeviceNet™, Profibus
®
,
Modbus
®
TCP, and Ethernet/IP.
1.3 ORDERING INFORMATION
See Fig. 1.2 for MPS-CTU, MPS-OPI, MPS-RTD, and
MPS-DIF model numbers.
Earth-Fault Current Sensors:
EFCT-1 ......................... Earth-Fault CT,
5-A-primary rating,
82 mm (3.2”) window
EFCT-1FC ..................... Flux Conditioner for EFCT-1,
70 mm (2.7”) window
EFCT-2 ......................... Earth-Fault CT with
Flux Conditioner,
5-A-primary rating,
139 mm (5.5”) window
EFCT-26 ....................... Earth-Fault CT,
5-A-primary rating,
26 mm (1”) window
(All EFCT’s include 6 m (19.5’) of 22 AWG (0.33 mm
2
)
shielded cable.)
SE-CS30-4 ............................. Current Sensor,
30-A-primary rating,
c/w Flux Conditioner,
95.0 mm (3.7”) window
SE-CS30-5 ............................. Current Sensor,
30-A-primary rating,
c/w Flux Conditioner,
130.0 mm (5.1”) window
SE-CS30-8 ............................. Current Sensor
30-A-primary rating,
c/w Flux Conditioner,
200.0 mm (7.9”) window
SE-CS30-26 ......................... Current Sensor,
30-A-primary rating,
26 mm (1.0”) window
SE-CS30-70 ......................... Current Sensor,
30-A-primary rating,
70 mm (2.7”) window
Phase CT’s ............................... Protection-Class CT’s,
Contact factory
Accessories:
SE-IP65CVR-M ................... Hinged Transparent OPI
Cover
SE-485-PP ............................ Port-Powered Serial
Converter
SE-485-DIN ......................... Serial Converter,
Industrial, 24 Vdc
Software:
SE-Comm-RIS ..................... PC Communication
Software
(1)
SE-Flash ............................... Firmware Upgrade
Software
(1)
(1)
Available at www.littelfuse.com/relayscontrols.