Read And Change The Mbus Parameters; Read And Change The Modbus Parameters; Rs485 - Siemens IQHeat User Manual

IQHeat
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9.11 Read and change the MBus parameters

To check that the serial number on the integrator matches the set address parameters in the processing unit.
See Main index > Communication > Communic.modules > 2-M-Bus module.
Also, check that a value is received from the heat meter.
NOTE: The update times for the meter values from the integrator are based on the current flow, so when the
primary flow is low, for example, in the summer, it will take a long time to update the measurement values.

9.12 Read and change the ModBus parameters

9.12.1 RS485

To check and, if necessary, change so that the master unit uses the same address and parameter ModBus
RTU (RS485).
1. From the Main index select Systemobjects.
2. Now select Communication > Communic.modules
> 2-M-Bus module.
3. Press OK to save the new settings.
4. Restart to activate the settings.
1. From the Main index select Systemobjects.
2. Now select Communication > ModBus > RS485.
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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