Technical data

Setting Up and Operating the Computing Unit
3-19
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
Connecting the computing unit via an adapter
An adapter is available for connecting the computing unit to the PLC with earlier
standard connecting cables.
Table 3-1 Adapter for Computing Unit Connection
Interface Connection Connecting
cable
Order No.
Adapter
COM 1 as Computing unit to a SIMATIC S5
6ES5 731-1xxx0
15-pin
6ES5 731-6AG00
COM 1 as
TTY port
Computing unit to a SIMATIC S5
programmable controller
6ES5 731-0xxx0
25-pin
6ES5 731-6AG00
In order to maintain a data transmission rate of 9600 bps up to a distance of 100 m,
the receive diode is connected to ground (reference) via the connecting cable.
Connecting the computing unit to programming units (V.24, TTY)
If you want to connect your computing unit to a different programming unit, you
can order the corresponding connecting cable (refer to Table 3-2).
Table 3-2 Connecting the Computing Unit to Other Programming Units
Interface Connection Connecting cable Adapter
COM 1 as V.24 port PG 7xx with
PG 7xx
COM 1 as TTY port PG 7xx with
PG 6xx
Series connection of
6ES5 733 -2xxx0
2)
and
6ES5 731-6AG00
1)
6ES5 731-6AG00
1)
When connecting the programming units is series, make sure you connect the cable
the right way round (refer to Figure 3-13).
2)
The connecting cable is available for order only as a spare part. A description of the
connecting cable is given in Chapter 6.
Adapter Connecting cable
Active Passive
6ES5 731-6AG00 6ES5 733-2xxx0
PG 7xx
PG 6XX
Figure 3-13 Direction of Connection: Adapter - Connecting Cable