CIRCUTOR CMBUS series - Manual (Page 13)

AUX. Supply
24V CC
L+
M-
M-BUS
MODBUS
Tx
Rx
RS-232
Tx(3) Rx(2)
Figure 7: CMBUS connection to the RS-232 port
5�- Connect the CMBUS to the power supply.
6�- Put the MiniDip 3 on the front panel of the unit in the OFF position to enable the RS-232
configuration.
7�- Put the MiniDip 4 on the front panel of the unit in the ON position to configure the peripheral
number to 255.
8�- Select the serial port to which the CMBUS is connected on the main screen of the software
( Figure 8 ).
If in doubt, you can select more than one COM port so that the program auto-detects the
correct port.
Click on the button “ FAST SCAN (only 255)”.
Figure 8: Selecting the COM port to which the CMBUS is connected
9�- Click on the button “Scan serial ports for devices”. The window status bar indicates the
progress of the detection process of the transducer. ( Figure 9 )
If nothing is detected, check the connections of the unit and the serial port configuration of the
computer making the connection.
13 Instruction Manual
CMBUS