339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL TOC–1
Table of Contents
1.INTRODUCTION Overview ................................................................................................................................1 - 1
Description of the 339 Motor Protection System................................................1 - 2
339 order codes..................................................................................................................1 - 6
Specifications.......................................................................................................................1 - 8
Password security....................................................................................................................1 - 8
Protection.....................................................................................................................................1 - 8
Metering........................................................................................................................................1 - 12
Data capture ..............................................................................................................................1 - 13
Control...........................................................................................................................................1 - 14
Monitoring....................................................................................................................................1 - 15
Inputs .............................................................................................................................................1 - 15
Outputs..........................................................................................................................................1 - 17
Power supply..............................................................................................................................1 - 17
Communications ......................................................................................................................1 - 18
Testing and certification .......................................................................................................1 - 19
Physical.........................................................................................................................................1 - 20
Environmental............................................................................................................................1 - 21
2.INSTALLATION Mechanical installation ...................................................................................................2 - 1
Dimensions..................................................................................................................................2 - 1
Product identification .............................................................................................................2 - 3
Mounting ......................................................................................................................................2 - 4
Standard panel mount.........................................................................................................2 - 4
Drawout unit withdrawal and insertion.........................................................................2 - 9
IP20 Cover (optional) ...............................................................................................................2 - 10
Electrical installation ........................................................................................................2 - 11
Typical Wiring Diagrams ......................................................................................................2 - 12
339 terminals .............................................................................................................................2 - 15
Terminal identification - Input/Output “E”...................................................................2 - 17
Terminal identification - Input/Output “R”...................................................................2 - 21
Wire range...................................................................................................................................2 - 23
RMIO module installation......................................................................................................2 - 23
Internal RTD installation........................................................................................................2 - 26
Phase sequence and transformer polarity ..................................................................2 - 26
Current inputs ............................................................................................................................2 - 27
Ground and CBCT inputs.......................................................................................................2 - 27
Zero sequence CT installation ............................................................................................2 - 28
Voltage inputs............................................................................................................................2 - 28
Control power ............................................................................................................................2 - 28
Contact inputs ...........................................................................................................................2 - 29
Trip and Close output relays...............................................................................................2 - 30
Serial communications..........................................................................................................2 - 33
IRIG-B .............................................................................................................................................2 - 34
3.INTERFACES Front control panel interface........................................................................................3 - 2
Description ..................................................................................................................................3 - 3
Display...........................................................................................................................................3 - 4
Working with the Keypad...................................................................................................3 - 4
LED status indicators - Front panel with non-programmable LEDs ................3 - 5
LED status indicators - Front panel with programmable LEDs ..........................3 - 7
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