Connections To Plc - Siemens OP7 Equipment Manual

14.2.3

Connections to PLC

Connection
Figure 14-3 shows the basic options for connecting the OP to the PLC. For
Configuration further details concerning the different OP versions please refer to Tables
Scheme 16-1 and 16-2 in Chapter 16. Standard cables are available for the connec-
tions shown in the figure (refer to the ST80.1 catalog).
1) Not with OP7-DP and OP17-DP
2) Do not use the converter cable from Siemens for connecting via TTY, since
3) Any PROFIBUS bus terminal (except FSK)
Figure 14-3 Connection Configuration Scheme for PLCs
14-6
TTY active
TTY active
TTY active
OP7
IF1 A
RS232
OP17
IF2
RS232
RS232
TTY active
1) 2)
RS232
TTY passive
RS232
RS422/RS485
RS232/TTY
RS422/RS485
OP7,
IF1 B
OP17
OP7-DP and OP17-DP do not supply 20 mA.
SIMATIC S5
CPU
PU interface
SI 2
CP521 SI
CP523
PC
COM1/2
(9-pin)
COM1/2
(25-pin)
TTY/RS232
PU
converter
COM1/2
(9/25-pin)
SIMATIC 500/505
RS232
(9/25-pin)
RS422 (9-pin)
Other-make
PLCs
SIMATIC S7/M7
3)
PROFIBUS-DP
Equipment Manual OP7, OP17
Release 04/99