Littelfuse Startco FPU-32, Manual

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Page i
FPU-32 Feeder Protection Unit
Rev. 2-A-103014
Table of Contents
T
ABLE OF
C
ONTENTS
S
ECTION
P
AGE
List of Figures ......................................................................... ii
List of Tables .......................................................................... ii
1 Introduction .......................................................... 1-1
1.1 General ..................................................................... 1-1
1.2 FPU-32 Features ...................................................... 1-1
1.2.1 Protection ..................................................... 1-1
1.2.2 Metering....................................................... 1-1
1.2.3 Data Logging ............................................... 1-1
1.2.4 Inputs and Outputs ...................................... 1-1
1.2.5 Operator Interface ....................................... 1-1
1.2.6 Communications ......................................... 1-1
1.3 Ordering Information .............................................. 1-3
2 Installation .............................................................. 2-1
2.1 General ..................................................................... 2-1
2.2 FPU-32 Feeder Protection Unit .............................. 2-1
2.3 MPU-CIM Current Input Module .......................... 2-1
2.4 Earth-Fault
CT’s ...................................................... 2-1
2.5 FPU-32/FPU-16 Compatibility .............................. 2-1
3 System Wiring ....................................................... 3-1
3.1 General ..................................................................... 3-1
3.2 Wiring Connections ................................................ 3-2
3.2.1 FPU-32 Connections .................................... 3-2
3.2.1.1 Supply Voltage ............................... 3-2
3.2.1.2 CIM Input ....................................... 3-2
3.2.1.3 Digital Input ................................... 3-2
3.2.1.4 Analog Output ................................ 3-2
3.2.1.5 PTC or RTD Input ......................... 3-2
3.2.1.6 I/O Module Communications ........ 3-2
3.2.1.7 RS/EIA/TIA-232
Communications ........................... 3-3
3.2.2 MPU-CIM Connections .............................. 3-3
3.2.2.1 Standard ......................................... 3-4
3.2.2.2 Residual Earth-Fault ..................... 3-4
3.2.2.3 Two-CT ......................................... 3-4
3.2.3 Cable Restraint ............................................ 3-6
3.2.4 Dielectric-Strength Testing ..................... 3-6
4 Operation and Setup ............................................. 4-1
4.1 Display and Indication ............................................ 4-1
4.1.1 Front-Panel LED Indication ....................... 4-1
4.1.2 Rear-Panel LED Indication......................... 4-2
4.1.3 Display Contrast and Test ........................... 4-2
4.2 Setup ....................................................................... 4-2
4.2.1 Phase-CT Inputs .......................................... 4-2
4.2.2 Earth-Fault-CT Input ................................... 4-2
4.2.3 Frequency .................................................... 4-2
4.2.4 Set-Point Group ........................................... 4-2
4.2.5 Output Relay Assignment ........................... 4-2
4.2.6 Digital Input ................................................. 4-3
4.2.7 Analog Output ............................................. 4-3
4.2.8 Miscellaneous Configuration ...................... 4-4
4.2.9 Communications ......................................... 4-4
4.3 Metering ............................................................. 4-4
S
ECTION
P
AGE
4.4 Messages
................................................................. 4-5
4.4.1 Trip Reset .................................................... 4-5
4.4.2 Data Logging .............................................. 4-5
4.4.3 Statistical Data ............................................ 4-5
4.4.4 Emergency Thermal Reset ......................... 4-5
4.5 Password Entry and Programming ..................... 4-5
5 Protective Functions ......................................... 5-1
5.1 General ............................................................... 5-1
5.2 Overload ............................................................. 5-1
5.2.1 I
2
t Protection ........................................... 5-1
5.2.2 Emergency Thermal Reset ...................... 5-2
5.3 Inverse-Time Overcurrent .................................. 5-2
5.4 Definite-Time Overcurrent ............................... 5-12
5.5 Inverse-Time 3I
0
Earth Fault ............................ 5-12
5.6 Definite-Time 3I
0
Earth Fault ........................... 5-12
5.7 Definite-Time Earth Fault ................................ 5-13
5.8 Current
Unbalance ............................................ 5-13
5.9 Phase Loss ........................................................ 5-13
5.10 Phase Reverse ................................................... 5-13
5.11 PTC Temperature ............................................. 5-13
5.12 RTD Temperature ............................................ 5-14
6 Theory of Operation ......................................... 6-1
6.1 Signal-Processing Algorithms ............................ 6-1
7 Communications ............................................... 7-1
7.1 Personal-Computer Interface .............................. 7-1
7.1.1 Firmware Upgrade .................................. 7-1
7.1.2 SE-Comm-RIS ........................................ 7-1
7.2 Network Interface ............................................... 7-1
7.2.1 TIA-485 Option ....................................... 7-1
7.2.2 DeviceNet Option ................................... 7-1
7.2.3 Ethernet Option ....................................... 7-1
8 Technical Specifications ................................... 8-1
8.1 FPU-32 ............................................................... 8-1
8.2 Current Input Module (MPU-CIM) .................... 8-3
9 Warranty ........................................................... 9-1
Appendix A FPU-32 Menu Map ................................ A-1
Appendix B FPU-32 Set-Up Record .......................... B-1
Appendix C FPU-32 TIA-232 Modbus Protocol ...... C-1
Appendix D Communications Database Table ........ D-1
Appendix E Register Formats ................................... E-1
Appendix F Ground-Fault Performance Test .......... F-1
Appendix G FPU-32 Revision History ...................... G-1