Siemens PC 670 manual Connecting the computing unit to an S5 PLC

Release 04/02 Connecting and Switching on the Computing Unit

Connecting the computing unit to an S5 PLC

You can connect the computing unit to a SIMATIC S5 programmable controller using the COM 1/TTY interface.

COM 1 (Socket)

Figure 3-9 Connection to an S5 Programmable Controller

To connect the computing unit to a SIMATIC S5 programmable controller, perform the following steps:

1.Disconnect the computing unit from the mains power supply.

2.Plug the connecting cable onto the COM 1 port.

3.Screw the connector tight.

4.Plug the connecting cable into the corresponding port on the CPU of the programmable controller.

5.In order to enable TTY operation, you must set TTY to “enabled” in the BIOS setup. Access the BIOS Setup by pressing the F2 key during the boot routine.

Caution

!Danger of damage being caused to the device

If you interchange the connectors, or use wrong connecting cables, the port might be damaged.

Be careful not to plug the TTY cable in the LPT 1 port of the computing unit instead of the COM1/TTY port.

Before inserting the connecting cables, the static charge of your body, the device and the connecting cables must be brought to the same potential. To do this, touch the metal housing briefly.

Use only the original connecting cable for the connection to the programmable controller.

Panel PC 670 Computing Unit, Equipment Manual 3-19