Siemens Simatic 620 - Manual (Page 54)

Setting Up and Operating the SIMATIC Box PC 620
3-20
SIMATIC Box PC 620 Manual
A5E00131465-01
Connecting the SIMATIC Box PC 620 to an S5 Programmable Logic Controller
You can connect the Box PC to a SIMATIC S5 programmable logic controller using
the COM1/TTY interface port.
COM 1
(socket)
Figure 3-12 Connecting the Box PC to an S5 Programmable Logic Controller
You connect your Box PC to a SIMATIC S5 programmable logic controller as
follows:
1. Disconnect the Box PC from the power supply.
2. Insert the connecting cable into the port COM 1 / AG.
3. Screw down the plug.
4. Plug the cable into the corresponding port on the CPU of the programmable
logic controller.
5. In order to enable TTY operation, you must set TTY to “enabled” in the BIOS
setup.
!
Caution
Risk of damage !
The interface port may be damaged if you confuse the connections or use the
wrong connecting cables.
Make sure the TTY cable of the SIMATIC Box PC 620is plugged into the
COM 1 / TTY port and not into the LPT 1 port.
Before inserting the connecting cables, the electrostatic charge in your body, the
device and the connecting cables must be brought to the same potential. Briefly
touch the sheet metal case to do this.
Use only original cables to stablish the connection to the programmable controller.