KSB CalioTherm Pro 25 Installation & Operating Manual page 58

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7 Operation
NOTE
The pump is delivered with the terminal pair RUN bridged.
Setting
For activating/de-activating the Modbus operating mode and adjusting the Modbus
communication settings, connect the pump to a Modbus network with a suitable,
commercial, shielded data cable.
Press the control element to activate the display from idle mode. The display will
show the current operating mode as well as, in alternation, the electrical input
power and the flow rate. If 5 minutes pass without any settings being made or the
control button being pressed, the display will revert to idle mode.
Table 34: Activating and de-activating the Modbus operating mode
Step 1: Activating the functions (DUAL, Modbus, 0 - 10 V) setting
mode
▪ Press and hold the control button for 6 seconds.
– One of the symbols representing the Dual-pump operation
(DUAL), Modbus or 0 - 10 V functions will start flashing.
Step 2: Selecting Modbus
▪ Turn the dial and select the required function.
Modbus
Step 3: Activating/disabling the setting mode
▪ Press the control button.
– The symbol will light up.
Step 4: Setting the Modbus address (flashing display)
▪ Turn the dial and set the required address.
▪ Press the control button.
– Factory setting: 17
Step 5: Setting the Modbus baud rate (flashing display)
▪ Turn the dial and set the required baud rate.
▪ Press the control button.
– Factory setting: 19.2
Step 6: Setting the Modbus parity (flashing display)
▪ Turn the dial and set the parity.
▪ Press the control button.
– Factory setting: PE (Parity Even)
– PO (Parity ODD)
– P- (No Parity)
NOTE
If 10 seconds pass without any settings being made, the entries made so far made
will be saved.
CalioTherm Pro