Siemens SIMATIC TIWAY 1 Especificaciones Pagina 43

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Network Design
and Setup
–16
3–16
Network Design and Setup
DL240 CPU Port Pinouts
The DL240 CPU has two built-in
DirectNET ports.
Port 1: can be used for point-to-point
communications with either RS232C or
RS422. However Port 1 cannot be used
in a multi-drop configuration even with an
RS232C / RS422 converter. This is
because the RTS signal pin is used for
5V.
Port 2: can be used for either
point-to-point or multi-drop connections.
An RS232C/RS422 converter is required
for multi-drop connections.
These ports are RJ11 phone jacks. The
DirectLOGIC Universal Cable Kit
(FA–CABKIT) can be used if you do not
want to create a phone jack connection.
DirectNET
Ports
Port 2
Port 1
Port 1 Pinouts
Pin Signal Definition
10 V
25 V
3 RS232C Data in
4 RS232C Data out
55 V
60 V
1234
Phone Jack
Connector
56
Port 2 Pinouts
Pin Signal Definition
10 V
25 V
3 RS232C Data in
4 RS232C Data out
5 Request to Send out
60 V
Pin labeling conforms to the IBM DTE and DCE standards.
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