Siemens Simatic PG 740 Manual page 42

Connecting the If you want to connect your PG 740 to another programming device, you can
PG 740 to Other
plug the appropriate connecting cable into the V.24 or TTY interface port.
Programming
You will find the necessary information on the connecting cables listed below
Devices
in Chapter 7.
V.24 interface
TTY interface
Note
1)
connect the cable the right way around (see Figure 3-9).
Figure 3-9
Note
When connecting two programming devices via the TTY interface, you must
deactivate the COM1/TTY interface by changing the switch position (see
Chapter 4). When the PG 740 leaves the factory, this interface is always set
to active.
Programming Device PG 740
C79000-G7076-C742-01
Interface Link
PG 7xx with PG 7xx
PG 7xx with PG 6xx
When connecting the programming devices in series, make sure you
Adapter
PG 7XX
6ES5 731-6AG00
Direction of Connection: Adapter - Connecting Cable
Starting Up the PG 740
Connecting Cable Adapter
6ES5 733-5BD20
Series connection of 6ES5 731-6AG00
6ES5 733-2xxx0
and
1)
6ES5 731-6AG00
Connecting cable
Active Passive
PG 6XX
6ES5 733-2xxx0
3
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