Siemens PC 670 manual Connecting the computing unit to programming units TTY

Release 04/02 Connecting and Switching on the Computing Unit

Connecting the computing unit to programming units (TTY)

In order to connect the computing unit, connect the corresponding connection cable to the TTY interface.

Table 3-2 Connecting the computing unit to other programming units

Interface	Connection	Connecting cable	Adapter
		Order No.
COM 1 as TTY	with PG 6xx	Series connection of	6ES5 731-6AG00
port		6ES5 733 -2xxx02)
		and
		6ES5 731-6AG001)

Notice

1.When connected in series, it is essential to connect the cable in the right direction (refer to Figure 3-10).

2.The connecting cable is available for order only as a spare part. A description of the connecting cables is provided in Chapter 7.

PG 7xx

	Adapter		Connecting cable
		Active		Passive
					PG 6XX
6ES5 731-6AG00		6ES5 733-2xxx0

Figure 3-10 Direction of Connection: Adapter - Connecting Cable

Notice

When connecting the computing unit to another programming unit, switch the TTY ports (COM 1) in one of the programming units by changing the jumper setting. When the computing unit is delivered to you, this port is always set to active.

Panel PC 670 Computing Unit, Equipment Manual 3-21