Siemens SIMATIC S7-200 - How Do I Change the Communications Parameters for My PLC?

Getting Started with an S7-200 Programming System
3-10
S7-200 Programmable Controller System Manual
A5E00066097-02
3.5 How Do I Change the Communications Parameters for My PLC?
Once you are communicating with the S7-200 CPU, you can verify or change the
communications parameters for your CPU.
To change the communications parameters, follow the steps below:
1. Click the System Block icon on the navigation bar, or select View > System
Block from the menu.
2. The System Block dialog box appears. Click on the Port(s) tab (see
Figure 3-5). By default, the station address is 2, and the baud rate is 9.6
kbaud.
3. Select OK to keep these parameters. If you wish to change the parameters,
make your changes, then click OK.
4. Click the Download icon on the toolbar to load the changes into the CPU.
Your communications parameters have been accepted.
System Block
OK
Defaults
Cancel
2
P
LC Address:
Configuration parameters must be downloaded before they take effect.
31
Highest Address:
9.6 kbpsBaud Rate:
3Retry Count:
PasswordPort(s) Retentive Ranges
Analog Input Filters
Output Table Input Filters
Pulse Catch Bits
Background Time
Not all PLC types support every System Block option. Press F1 to see
which options are supported by each PLC.
2
31
9.6 kbps
3
G
ap Update Factor:
10
10
(range 1...126)
(range 1...126)
(range 0...8)
(range 1...100)
Port 0 Port 1
Figure 3-5 Changing the Communications Parameters