Littelfuse MPS - Ection

Page iii
MPS Motor Protection System Rev. 6-F-022117
. Table of Contents
SECTION PAGE
5.8 Current Unbalance .............................................. 5-5
5.9 Phase Loss—Current .......................................... 5-6
5.10 Phase Reverse—Current ..................................... 5-6
5.11 Undercurrent ....................................................... 5-6
5.12 Overvoltage ........................................................ 5-6
5.13 Voltage Unbalance ............................................. 5-6
5.14 Phase Loss—Voltage ......................................... 5-6
5.15 Phase Reverse—Voltage .................................... 5-6
5.16 Undervoltage ...................................................... 5-7
5.17 Underpower ........................................................ 5-7
5.18 Reversepower ..................................................... 5-7
5.19 Power Factor—Quadrant 4 ................................. 5-7
5.20 Power Factor—Quadrant 3 ................................. 5-7
5.21 Underfrequency .................................................. 5-7
5.22 Overfrequency .................................................... 5-8
5.23 Starts per Hour/Time Between Starts ................. 5-8
5.24 Failure to Accelerate and Underspeed ................ 5-8
5.25 Differential Current Protection ........................... 5-9
5.26 PTC Temperature ............................................... 5-9
5.27 RTD Temperature .............................................. 5-9
5.28 Hot-Motor Compensation ................................ 5-10
5.29 Analog Input ..................................................... 5-10
5.29.1 Protection .............................................. 5-10
5.29.2 Synchronize to ASD ............................. 5-10
5.29.3 Motor Speed .......................................... 5-10
5.29.4 Metering Only ....................................... 5-10
6 Starter Functions .............................................. 6-1
6.1 General ............................................................... 6-1
6.2 Starter Timing Sequences ................................... 6-4
6.3 Full-Voltage Non-Reversing Starter .................. 6-7
6.4 Adjustable-Speed Drive ..................................... 6-7
6.5 Soft-Start Starter ................................................. 6-7
6.6 Full-Voltage Reversing Starter ........................... 6-8
6.7 Two-Speed Starter .............................................. 6-8
6.8 Reactor or Resistor Closed-Transition
Starter ............................................................... 6-10
6.9 Slip-Ring Starter ............................................... 6-10
6.10 Part-Winding and Double-Delta Starters ......... 6-11
6.11 Soft-Start-With-Bypass Starter ........................ 6-12
6.12 Reactor or Resistor Open-Transition Starter .... 6-12
6.13 Two-Winding Starter ........................................ 6-12
6.14 Wye-Delta Open-Transition Starter ................. 6-12
6.15 Autotransformer Closed-Transition Starter ...... 6-13
6.16 Wye-Delta Closed-Transition Starter ............... 6-13
7 Theory of Operation ......................................... 7-1
7.1 Signal-Processing Algorithms ............................ 7-1
7.2 Power Algorithm ................................................ 7-1
7.3 Operator Interface (MPS-OPI) ........................... 7-1
7.4 RTD Module (MPS-RTD) ................................. 7-1
7.5 Differential Module (MPS-DIF) ........................ 7-1
7.6 Firmware Diagnostics ........................................ 7-1
8 Communications ............................................... 8-1
8.1 Personal-Computer Interface .............................. 8-1
8.1.1 Firmware Upgrade .................................. 8-1
8.1.2 SE-Comm-RIS ........................................ 8-1
SECTION PAGE
8.2 Network Interface ............................................... 8-1
8.2.1 RS-485 Communications ........................ 8-1
8.2.2 DeviceNet Communications ................... 8-1
8.2.3 Ethernet Communications ....................... 8-1
8.2.4 Profibus Communications ....................... 8-1
9 Technical Specifications ................................... 9-1
9.1 Control Unit (MPS-CTU) .................................. 9-1
9.2 Operator Interface (MPS-OPI) ........................... 9-3
9.3 RTD Module (MPS-RTD) ................................. 9-3
9.4 Differential Module (MPS-DIF) ........................ 9-4
10 Warranty ........................................................... 9-5
Appendix A MPS-OPI Menu Map ............................ A-1
Appendix B MPS Set-Up Record .............................. B-1
Appendix C MPS Modbus Protocol .......................... C-1
Appendix D MPS A-B DF1 Protocol ......................... D-1
Appendix E Communications Database Table ......... E-1
Appendix F Register Formats .................................... F-1
Appendix G MPS Revision History .......................... G-1