
Engineer programming via the browser
Configuring communications
15.12.1.2 Making a browser connection to the controller via the serial
port
1. Physically connect the PC to the controller by connecting the DB9 serial port on
the PC to the RJ45 interface on the SPC labeled RS232 using the same cable
as for a terminal connection.
2. Configure the serial port on the controller (from the existing IP browser
connection or via the keypad).
3. Enter Engineer programming and configure Serial Port 2 to the following
settings:
- Bits per second: 115200
- Data bits: 8
- Parity None: None
- Stop bits: 1
- Flow Control None: None
Serial port 2 shares a communications channel with the back-up modem. If a
back-up modem is installed, then it must be removed to enable serial
communications on this serial port. The Serial Port 2 interface is also available as
a terminal block connection (TX, RX, GND).
Configuring a network connection to the controller (Windows XP)
1. Go to Control Panel > Network Connections and click ‘Create a new
connection’.
The New Connection Wizard is displayed.
2. In the Network Connection Type window select ‘Setup’ and ‘Advanced
3. In the Advanced Connection options, click on ‘Connect directly to another
4. In the Host or Guest window, select ‘Guest’.
5. In the Connection Name window, enter a meaningful name for the connection.
6. In the Select a Device window, choose a serial port that is not currently in use
7. In the Connection Availability window, choose ‘Anyone’s Use’.
8. In the Completing New Connection window, click on the ‘Finish’ button. Check
the box to add a short cut to the desktop.
9. On completing the setup, a logon window will appear on the screen requesting
10. Enter the following:
- Username: SPC
- Password: siemens (default)
The connection is established and a network icon is displayed on the bottom right
of the screen.
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