ii
8.2.7
Active ...................................................................................................................................................26
8.2.8 Set 7 .....................................................................................................................................................27
8.2.9 2.x3 ......................................................................................................................................................27
9 COMMUNICATIONS MODULE FIRMWARE VERSIONS......................................................................34
9.1 MJ-4 COMMUNICATIONS MODULE FIRMWARE VERSION...............................................................................34
9.2 MJ-XL COMMUNICATIONS MODULE FIRMWARE VERSIONS..........................................................................34
10 SPECIFICATIONS...........................................................................................................................................35
10.1 PHYSICAL DIMENSIONS ................................................................................................................................35
10.2 FIBER OPTIC LINK INTERFACE SPECIFICATIONS ...........................................................................................35
10.3 RS-232/RS-485 INTERFACE SPECIFICATIONS...............................................................................................35
Figures
FIGURE 1-1 MJ-4 COMMUNICATIONS MODULE..............................................................................................................1
FIGURE 2-1 FIBER OPTIC NETWORK...............................................................................................................................2
FIGURE 2-2 RS-232 CONNECTION..................................................................................................................................2
FIGURE 2-3 MODEM CONNECTION. ................................................................................................................................2
FIGURE 2-4 RS-485 CONFIGURATION – LOOP NETWORK...............................................................................................3
FIGURE 2-5 RS-485 CONFIGURATION – STAR NETWORK. ..............................................................................................3
FIGURE 4-1 MJ-4 REAR COVER......................................................................................................................................5
FIGURE 4-2 COMMUNICATIONS MODULE INSTALLATION...............................................................................................5
FIGURE 4-3 FIBER OPTIC INTERFACE JUMPER LOCATIONS. ............................................................................................6
FIGURE 4-4 RS-232/485 INTERFACE JUMPER LOCATIONS..............................................................................................6
FIGURE 4-5 MJ-4 WITH MJ-4 COMMUNICATIONS MODULE LABEL INSTALLED..............................................................7
FIGURE 5-1 MJ-X CONTROL PANEL REAR COVER. ........................................................................................................8
FIGURE 5-2 COMMUNICATIONS MODULE INSTALLATION IN MJ-X.................................................................................9
FIGURE 5-3 MEMBRANE SWITCH CABLE ROUTING (TOP DOWN VIEW). ..........................................................................9
FIGURE 5-4 MJ-X COMMUNICATIONS MODULE CABLE ROUTING................................................................................10
FIGURE 7-1 FIBER OPTIC CONNECTIONS.......................................................................................................................13
FIGURE 7-2 RS-485 CONNECTION ................................................................................................................................13
FIGURE 7-3 SCREW TERMINAL BLOCK CONNECTOR ....................................................................................................14
FIGURE 7-4 RS-485 LOOP TOPOLOGY ..........................................................................................................................14
FIGURE 7-5 COMMUNICATION CABLE ROUTING...........................................................................................................15
FIGURE 7-6 RS-232 MULTI-DROP CONFIGURATION .....................................................................................................16
FIGURE 7-7 RS-232 CONNECTOR PINOUT ....................................................................................................................17
FIGURE 7-8 SCREW TERMINAL CONNECTION ...............................................................................................................17
FIGURE 7-9 MJXPLORER TROUBLESHOOTING CONNECTIONS ......................................................................................20
Tables
TABLE 4-1 FIBER OPTIC INTERFACE JUMPER SETTINGS..................................................................................................6
TABLE 4-2 RS-232/485 INTERFACE JUMPER SETTINGS ..................................................................................................7
TABLE 7-1 RS-485 CABLE SPECIFICATIONS.................................................................................................................13
TABLE 7-2 RS-232 INTELLIGENT ELECTRONIC DEVICE WIRING ..................................................................................16
TABLE 7-3 MODEM WIRING .........................................................................................................................................16
TABLE 7-4 COMMUNICATIONS MENU ITEMS ................................................................................................................17
MJ-4A, MJ-4B, MJ-XL, MJ-X, MJXtra, and MJXplorer are trademarks of Siemens Energy, Inc.
Siemens is a registered trademark of Siemens AG.
© 1994 - 2008 Siemens Energy, Inc.
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