MPS-CTU-02-00 [LITTELFUSE]
Display metered values;![MPS-CTU-02-00](http://pdffile.icpdf.com/pdf2/p00331/img/icpdf/MPS-CTU-01-0_2035206_icpdf.jpg)
型号: | MPS-CTU-02-00 |
厂家: | ![]() |
描述: | Display metered values |
文件: | 总2页 (文件大小:563K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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Protection Relays and Controls
Motor Protection–Advanced
MPS SERIES (PGR-6300)
Motor Protection System
Description
The MPS Motor Protection System monitors voltage, current,
and temperature to provide a comprehensive package of
22 protective functions.The MPS is a modular system with
integrated protection, motor control, metering, and data-logging
functions.This system is typically used to provide protection for
three-phase low- and medium-voltage, medium-
to high-horsepower induction motors.
Operator Interface (MPS-OPI)
1
g
Large, bright, 4 x 20 vacuum-fluorescent display
Display metered values
Access set points
Powered by Control Unit
Panel mount or attach directly to Control Unit
Remote mounting (1.2 km or 4000 ft maximum loop length)
1/2 DIN size
Hazardous-location certified
g
g
g
g
g
g
g
Control Unit (MPS-CTU)
2
g
2
Current inputs—5-A or 1-A secondary phase current transformers
Voltage inputs—up to 600 V without PTs
Earth-leakage input—5-A or 1-A secondary or sensitive transformer
Tachometer (high-speed pulse) input
8 digital inputs, 5 relay outputs, 1 analog input and output
24-Vdc supply for OPI and RTD modules, and for digital inputs
IRIG-B time-code input
1/2 DIN size, surface mount
g
g
Simplified Circuit Diagram
g
g
PHASE CT
GF CT
A
B
g
PHASE CT
PHASE CT
g
M
g
RTD x 8
g
RS-485 network communications (Standard)
DeviceNet™, Profibus®, or Ethernet communications available
g
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L2
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2
Accessories
A
B
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Phase CurrentTransformers
Phase CTs are required to detect phase
currents.
1
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Ordering Information
ORDERING NUMBER COMMUNICATIONS
Ground-Fault CurrentTransformer
Required zero-sequence current transformer
detects ground-fault current. Available with 5-A
and 30-A primary ratings for low-level pickup.
MPS-CTU-01-00
MPS-CTU-02-00
MPS-CTU-03-00
MPS-CTU-04-00
RS-485
RS-485 & DeviceNet™
RS-485 & Profibus®
RS-485 & EtherNet/IP™ & Modbus® TCP
C
D
MPS-RTDTemperature Input Module
Optional module provides 8 inputs to connect
Pt100, Ni100, Ni120, and Cu10 RTDs.
ACCESSORIES
MPS-OPI-01-00
Phase CTs
REQUIREMENT
Recommended
Required
MPS-DIF Differential Current Module
Optional motor differential protection,
compatible with core balance and summation
current transformer connections.
Ground-Fault CT
MPS-RTD-01-00
MPS-DIF-01-00
SE-IP65CVR-M
Recommended
Optional
Optional
Optional
Rev: 4-B-061517
Based on Manual Rev: 6-F-022117
© 2017 Littelfuse Protection Relays & Controls
Littelfuse.com/mps
Protection Relays and Controls
Motor Protection–Advanced
MPS SERIES (PGR-6300)
Motor Protection System
Features & Benefits
FEATURES
IEEE #
BENEFITS
Overload
49, 51
Extends motor life and prevents insulation failures and fires
Current unbalance/
Phase loss/Phase reverse
46
Prevents overheating and extends motor life
Overcurrent/Jam
Undercurrent
Ground fault
50, 51
37
Prevents catastrophic failures and fires and extends motor life
Detects low-level or no-load conditions
50G/N, 51G/N
Prevents catastrophic failures and fires
Optional RTD temperature protection (MPS-RTD module) for
high ambient or loss of ventilation protection
RTD temperature
38, 49
Overvoltage
59
27
47
87
Prevents stress to insulation
Undervoltage
Prevents a start attempt when it will damage the motor
Detects unhealthy supply voltage
Voltage unbalance
Phase differential
Dynamic thermal mode
Reduced overcurrent mode
Starter control
Provides sensitive protection for high-resistance winding faults
Provides protection through starting, running, overload, and cooling cycles
Minimizes Arc-Flash hazards during maintenance
Simplifies the installation by reducing component count
Displays the measured and calculated motor parameters
On-board 64-event recorder helps with system diagnosis
Remotely view measured values, event records & reset trips
Internal circuits are conformally coated to protect against corrosion and moisture
Metering
Data logging
Communications
Conformal coating
Wiring Diagram
MPS-OPI
Specifications
Protective Functions
(IEEE Device Numbers)
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Overload (49, 51)
Phase reverse (current) (46)
Overfrequency (81)
Overcurrent (50, 51)
Jam
Underfrequency (81)
Ground fault (50G/N,
51G/N)
Undercurrent (37)
Unbalance (voltage) (47)
Failure to accelerate
65-265 Vac, 25 VA; 80-275 Vdc, 25 W
800 ms at 120 Vac
RTD temperature (38, 49)
Unbalance (current) (46)
Underspeed (14)
Starts per hour (66)
Phase loss (voltage) (47)
Overvoltage (59)
Differential (87)
Phase loss (current) (46)
Undervoltage (27)
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MPS-RTD
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C
D
A
B
Phase reverse (voltage) (47)
Power factor (55)
MPS-DIF
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Input Voltage
ꢀoꢅtionalꢃ
Power-Up Time
Ride-Through Time
24-Vdc Source
100 ms minimum
100 mA maximum
AC Measurements
True RMS and DFT, Peak, 16 samples/cycle, and
positive and negative sequence of fundamental
50, 60 Hz or ASD
Phase current, Earth-leakage current, Phase voltage,
7 digital, tachometer, 1 analog
5 contacts — See Product Manual
CSA Certified, RCM (Australian), UL Recognized
Allen-Bradley® DFI and Modbus® RTU (Standard);
DeviceNet™, Profibus®, Ethernet (Optional)
Standard feature
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Frequency
Inputs
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MPS-CTU
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Output Contacts
Approvals
Communications
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Conformally Coated
Warranty10 years
Mounting
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2
ꢚꢚꢚꢚꢚꢚ
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(Control Unit)
Surface
(Operator Interface)
Panel, Control-Unit mounted
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Rev: 4-B-061517
Based on Manual Rev: 6-F-022117
© 2017 Littelfuse Protection Relays & Controls
Littelfuse.com/mps
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