Siemens SIMATIC TI555 - Setting Baud Rates; Assigning Base Numbers

Upgrading Existing Series 500 Installations
D-12
TI545/TI555 System Manual
Installing a PPX:500–5114A RBC (continued)
The RBC is equipped with a RS-232 port to program the TI545/TI555 CPU
or , to troubleshoot from a remote I/O base. A baud rate thumbwheel (see
Figure D-6) is used to set the baud rate for this port.
Baud Rate Thumbwheel
Base Thumbwheel
LED Display
Remote
Base
Controller
Thumbwheel Baud
Number Rate
0 9600.
. . . . . . .
1 2400 . . . . . . . .
2 1200 . . . . . . . .
3 300 . . . . . . . . .
4 9600 . . . . . . . .
5 2400 . . . . . . . .
6 1200 . . . . . . . .
7 300 . . . . . . . . .
8 9600 . . . . . . . .
9 2400 . . . . . . . .
10 1200 . . . . . . . .
11 300 . . . . . . . . .
12 9600 . . . . . . . .
13 2400 . . . . . . . .
14 1200 . . . . . . . .
15 300 . . . . . . . . .
RS-485 I/O port 9-pin female
RS-232 port 25-pin female
Figur e D-6 Series 500 Remote Base Contr oller and Baud Rate Settings
The base thumbwheel (Figure D-6) is used to assign a base number to the
RBC for system identification. If you are using more than one RBC, each
RBC must be uniquely numbered. Refer to T able D-1 for assigning base
numbers. Base number 0 is reserved for the TI545/TI555 and must not be
assigned to the RBC.
Setting Baud Rates
Assigning Base
Numbers