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Installation
12.2.3
Connecting the PLC
Connection
Figure 12-3 illustrates the basic connection possibilities between the TP27,
configuration
TP37 and PLC. Standard cables are available for the connections shown (see
the ST80.1 catalog).
1)
2)
3)
4)
Figure 12-3 Connection configuration diagram for PLCs
12-10
TP27, TP37
4)
IF1A
4)
IF1B
Do not use the Siemens converter cable for connection by TTY/passive, because the Touch
Panel does not supply 5 V.
Use only the approved cables for connection to SIMATIC S7/M7.
Any PROFIBUS-DP bus terminal (except FSK)
For operation via the serial interface, connect either IF1A (RS232/TTY) or IF1B (RS422/485), but
not both. The IF1B interface is configured by means of DIL switches.
TTY active
TTY active
TTY active
RS232
RS232
1)
TTY passive
TTY/RS232
converter
RS232
RS422
RS232/TTY
RS422/RS485
RS485
RS485
3)
TP27, TP37 Equipment Manual
SIMATIC S5
CPU
PU interface
SI 2
CP521 SI
CP523
PU or PC
COM1/2
(9/25–pin)
SIMATIC 500/505
RS232
(9/25–pin)
RS422
(9–pin)
PLCs of other
manufacturers
SIMATIC
2)
S7/M7
PROFIBUS-DP
Release 01/00
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