Siemens SIMATIC Rack PC 840 - Connecting the SIMATIC Rack PC 840 to Other SIMATIC S5 Devices

Setting Up and Operating the SIMATIC Rack PC 840
3-13
SIMATIC Rack PC 840 Manual
A5E00104826-03
3.5 Connecting the SIMATIC Rack PC 840 to Other SIMATIC S5
Devices
Point-to-Point Connection
In this section, you will learn how to connect your Rack PC to a programming
device or S5 programmable logic controller using a point-to-point connection.
You can establish a point-to-point connection by connecting the Rack PC to
another programming device or a programmable logic controller using
 A V.24 connection
 A TTY connection (not possible for the basic variant of the Rack PC)
Connecting the Rack PC to an S5 Programmable Logic Controller
You can connect the Rack PC to a SIMATIC S5 programmable logic controller
using the COM1/TTY interface port.
COM 1 (socket)
Figure 3-9 Connecting the Rack PC to an S5 Programmable Logic Controller
You connect your Rack PC to a SIMATIC S5 programmable logic controller as
follows:
1. Separate the Rack PC from the mains
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. Reconnect the Rack PC to the mains.