
Upgrading Existing Series 500 Installations
C-16
SIMATIC 545/555/575 System Manual
Installing a PPX:500–5114–A RBC (continued)
As shown in Figure C-7, the display at the top of the module indicates the
status of the Series 500 RBC.
Baud rate thumbwheel
Base thumbwheel
LED display
Remote
Base
Controller
Thumbwheel Baud
Number Rate
0 9600. . . . . . . .
1 2400. . . . . . . .
2 1200. . . . . . . .
3 300. . . . . . . . .
4 19200. . . . . . .
5 19200. . . . . . .
6 19200. . . . . . .
7 19200. . . . . . .
8 9600. . . . . . . .
9 2400. . . . . . . .
10 1200. . . . . . . .
11 300. . . . . . . . .
12 19200. . . . . . .
13 19200. . . . . . .
14 19200. . . . . . .
15 19200. . . . . . .
RS-485 I/O port 9-pin female
RS-232 port 25-pin female
Figure C-7 Series 500 Remote Base Controller and Baud Rate Settings
Status is displayed in integer format; see Table C-2 for definitions.
Table C-2 Series 500 RBC LED Messages
Display Definitions Display Definitions
0 RBC Good 5 Not Used
1 Self Diagnostics Failure 6 Not Used
2 Module Mismatch 7 Communication Good, Not
Configured
3 I/O Communication Time
Out
8 Watchdog Timer Expired
4 RAM Parity Error
The RBC is equipped with a RS-232 port that allows you to program the
Series 505 CPU or to troubleshoot from a remote I/O base. A baud rate
thumbwheel, shown in Figure C-7, is used to set the baud rate for this port.
Status Display
Setting Baud Rates
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