Overview
1.7 Communication with PLCs
OP 73micro, TP 177micro (WinCC flexible)
16
Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0
Additional functions
Table 1-5
Range of additional functions
Object
Specification
OP 73micro
TP 177micro
Monitor settings
Contrast
Touch screen calibration
Yes
No
Yes
Yes
Screen saver
-
Yes
Yes
Language switching
Number of languages
5
5
Graphic object
Graphics
Graphics / vector
graphic
Trend views
Number
-
25
Trends per view
Number
4
Text object
Number
2500
500
Password protection
Number of passwords
1
1
1.7
Communication with PLCs
Number of connections
Interconnection
OP 73micro
TP 177micro
Number for MPI/PROFIBUS DP
1
1
Siemens PLCs
The following table shows the Siemens PLCs and protocols or profiles that can be used.
PLC
Protocol / profile
OP 73micro
TP 177micro
S7-200
MPI
1
yes
yes
1
If you require a baud rate of 9.6 Kbps, use the "DP" profile in WinCC flexible.
The HMI device can communicate only with one S7-200 at a time. The HMI device can be
connected to the S7-200 using a PtP connection or a network.
See also
Communication via a point-to-point connection (Page 57)
Communication in the network (Page 58)