Mounting and connection
4.4 Communication with S7-200
OP 73micro, TP 177micro (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0
57
4.4
Communication with S7-200
Introduction
This section is intended for configuration engineers of the HMI device.
The following chapter contains information necessary for configuring:
●
Connection options to the PLC
●
Communication using WinCC flexible
4.4.1
Topologies
Introduction
The HMI device and PLC can communicate using a PtP connection or within a network.
The HMI device can communicate only with one S7-200 at a time.
4.4.1.1
Communication via a point-to-point connection
In a PtP connection, the HMI device is the only device which is connected directly with the
S7-200. You need an MPI cable or a PROFIBUS bus cable with two PROFIBUS bus
connection plugs to connect the HMI device to the PLC.
Figure 4-20 Point-to-point connection
See also
