Table Of Contents - Siemens MJ-4 Series Installation Manual

Communications module, fiber optic and rs-232/485, for mj-4a, mj-xl and mj-x control panels

Table of Contents

INTRODUCTION ...............................................................................................................................................1

1.1

..................................................................................................................................................1

ESCRIPTION

1.2

LED I

NDICATORS

TRANSMISSION METHODS ...........................................................................................................................1

2.1

2.2

2.2.1

RS-232 ...................................................................................................................................................2

2.2.2

RS-485 ...................................................................................................................................................3

COMMUNICATION PROTOCOLS ................................................................................................................4

INSTALLING THE COMMUNICATIONS MODULE IN MJ- 4 CONTROL PANELS ...........................4

4.1

4.2

4.3

4.3.1

Fiber Optic Interface .............................................................................................................................6

4.3.2

RS-232/485 Interface .............................................................................................................................6

4.4

EPLACING THE

4.5

OUNTING THE

INSTALLING THE COMMUNICATIONS MODULE IN MJ-X CONTROL PANELS............................8

5.1

ETTING THE

OMMUNICATIONS

5.2

OUNTING THE

VERIFYING THE COMMUNICATIONS MODULE INSTALLATION ..................................................10

6.1

ERFORMING THE

6.2

ERFORMING THE

CABLING THE COMMUNICATIONS MODULE TO THE POWER SYSTEM.....................................12

7.1

IBER

PTIC

ABLE

7.1.1

Fiber Optic Cable Lengths ..................................................................................................................12

7.1.2

Fiber Optic Connector.........................................................................................................................12

7.1.3

Fiber Optic Connections......................................................................................................................13

7.2

RS-485 T

WISTED

7.2.1

RS-485 Cable Type ..............................................................................................................................13

7.2.2

RS-485 Cable Grounding ....................................................................................................................13

7.2.3

RS-485 Connector................................................................................................................................14

7.2.4

RS-485 Cabling Considerations ..........................................................................................................14

7.3

RS-232 C

ONNECTIONS

7.3.1

RS-232 Multi-drop Wiring...................................................................................................................16

7.4

RS-232/485 C

ONNECTIONS

7.5

OMMUNICATIONS

7.5.1

Communications Menu Item Descriptions...........................................................................................18

7.6

ROUBLESHOOTING

7.6.1

Using LEDs to Help Diagnose Communications Problems ................................................................20

7.6.2

Using MJXplorer to Troubleshoot Communications Problems...........................................................20

SETTING THE DNP POINTS .........................................................................................................................21

8.1

DNP C

SING THE

8.2

ELECTING A PREDEFINED

8.2.1

DNP point set for MJ-4A or MJ-4B.....................................................................................................21

8.2.2

DNP Point set for other Control Panels..............................................................................................21

8.2.3

2.x4 ......................................................................................................................................................22

8.2.4

Small 2.x3 ............................................................................................................................................23

8.2.5

Simple ..................................................................................................................................................24

8.2.6

Metering...............................................................................................................................................24

Manual No. 21-115-527-024 rev02

...........................................................................................................................................1

..........................................................................................................................2

......................................................................................................................................2

MJ-4 R

................................................................................................................4

...............................................................................................................7

............................................................................................................................12

YPE

.....................................................................................................................13

PAIR

ABLE

.................................................................................................................................15

..........................................................................................................................17

ONFIGURE PROGRAM FOR A CUSTOM

DNP

POINT SET

.................................................................................................5

......................................................................................6

UMPERS

.....................................................................................7

ABEL

......................................................................................8

.....................................................................................11

.........................................................................................11

EST

.............................................................................................17

.....................................................................................19

DNP

POINT SET

...................................................................................................21

.....................................................8

......................................................21

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Table Of Contents - Siemens MJ-4 Series Installation Manual