QUICKDESIGNER Siemens •
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Simatic TI500 Program Port
QUICKDESIGNER software can be used with the following Simatic TI PLC 500 types. A target
display can be connected to a Simatic TI 500 PLC through the program port, optional dual
communication card, or a remote base controller with the optional RS232 communications interface.
PLC Type Program Port on
Controller
Dual COM Port
Card
Remote
Base
520 RS232 RS232 (2)
520C RS232 & RS422 RS232 (2)
525 RS232 & RS422 RS232 (2)
note 1
530 RS232 RS232 (2)
535 RS232 & RS422 RS232 (2)
note 1
530C RS232 & RS422 RS232 (2)
545 Port 1 note 2 Port 2 note 2
560/565 RS232 & RS422 RS232 (2) RS232
note 1: via 500 series I/O
note 2: 545-1101 and 545-1102 have different pin configurations for Port 2.
The 545 controller (545-1101) had 1 RS-232 port and 1 RS-422/485 port. When the 555 was
introduced, Siemens changed the RS422/485 port (Port 2) to accommodate RS232. To do this, the pins
for the RS422/485 connection out of port 2 had to be moved around to make the RS232 connection on
ports 1 and 2 identical. This means that any cable that connected to the old 545 port 2 (RS422/485)
would need to be changed to be usable on the 555. The new 545 (545-1102) also has this new
configuration. Note the wiring changes in the following table.
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