Siemens SIMATIC TP 270 User Manual

Installation and connection
4.3 Connecting the HMI device
TP 270, OP 270, MP 270B (WinCC flexible)
Operating Instructions, Edition 03/2004, 6AV6691-1DD01-0AB0
4-13
4.3.5 Connecting the PLC
Connection configuration
The figure below illustrates the basic connection possibilities between the HMI device and
PLC. Standard cables are available for the connections shown (refer to the ST80 catalog).
RS 232
(9/25-pin)
RS 422
(9-pin)
RS 232
PLCs of other
manufacturers
RS 422
RS 422/RS 485
SIMATIC 505
SIMATIC S7
RS 232
IF1A
IF1B
RS 485
RS 485
Operating unit
PROFIBUS-DP
Figure 4-5 Connection configuration for PLCs
• SIMATIC S7
Use only the approved cables for connection to a SIMATIC S7.
• IF1A / IF1B
To enable communication using the serial interface, connect either the IF1A (RS 232) or
IF1B (RS 422/485), but not both. The 1F1B interface can be configured using a switch.
• PROFIBUS DP
Any PROFIBUS-DP bus terminal can be used.

Siemens SIMATIC TP 270 Specifications

General

Brand	Siemens
Model	SIMATIC TP 270
Category	Touch Panel
Language	English