Tcp/Ip - Siemens IQHeat User Manual

9.12.2 TCP/IP

For ModBus across IP; check the address to the processing unit, and use port 502 in the master system.
1. From the Main index select Systemobjects.
2. Now select Communication > ModBus >
IP-Config.
3. Select the parameter to be changed, press
OK.
4. After each parameter change, press OK to
save the new settings.
5. Select Restart, press OK.
6. Select Execute and press OK.
The new settings take effect after restart.
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