Siemens SIMATIC S7-200 System Manual page 23

Connecting the RS-232/PPI Multi-Master Cable
Figure 2-2 shows an RS-232/PPI
Multi-Master cable connecting the
S7-200 to the programming device. To
connect the cable:
1. Connect the RS-232 connector
(marked "PC") of the RS-232/PPI
Multi-Master cable to the
communications port of the
programming device. (For this
example, connect to COM 1.)
2. Connect the RS-485 connector
(marked "PPI") of the RS-232/PPI
Multi-Master cable to Port 0 or
Port 1 of the S7-200.
3. Ensure that the DIP switches of
the RS-232/PPI Multi-Master cable the RS-232/PPI Multi-Master cable
are set as shown in Figure 2-2.
Tip
Examples in this manual use the RS-232/PPI Multi-Master cable. The RS-232/PPI Multi-Master
cable replaces the previous PC/PPI cable. A USB/PPI Multi-Master cable is also available.
Refer to Appendix E for order numbers.
Starting STEP 7- -Micro/WIN
Click on the STEP 7--Micro/WIN icon to
open a new project. Figure 2-3 shows a
new project.
Notice the navigation bar. You can use
the icons on the navigation bar to open
elements of the STEP 7--Micro/WIN
project.
Click on the Communications icon in the
navigation bar to display the
Communications dialog box. You use
this dialog box to set up the
communications for STEP 7--Micro/WIN.
Getting Started
RS-232/PPI
Multi-Master Cable
↑1 -- On
↓0 -- Off
1 2 3 4 5 6 7 8
Figure 2-2 Connecting the RS-232/PPI Multi-Master Cable
Figure 2-3 New STEP 7- -Micro/WIN Project
Chapter 2
Programming
Device
S7-200
Navigation bar
Communications icon
9