Installation Guide

© Danfoss | Climate solutions | 2021.07
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Quick startup – With CoolConfig software tool
What you will need: CoolConfig software. USB to RS-485 cable. Power to your control panel.
Step 01: Ensure the latest version of CoolConfig is installed on your PC. Link to CoolConfig download: Link
Step 02: Each controller is to be configured individually. After power up, connect your RS485-USB cable from your PC
to the terminal labelled X107 on the PXE 02 or X107 on the PXE 04. The controllers are RS-485 pre-wired in series.
Step 03: Startup the CoolConfig software. In the CONNECTION tab, choose the correct COM port your PC and cable are using.
Step 04: Choose the Modbus Slave ID (called ‘Modbus address’ in CoolConfig), also in the same CONNECTION tab, of the controller
you wish to configure.
For the PXE 02 variants, the Modbus Slave ID are pre-set from the factory as:
For the PXE 04 variants the Modbus Slave ID are pre-set from the factory as:
Fig. 10
Table. 01
Table. 02
Controller Modbus Slave ID
01 1
02 2
Controller Modbus Slave ID
01 1
02 2
03 3
04 4
Note:
It is a good idea to ensure the CoolConfig settings are aligned with the controller settings before moving onto the next step. This is
done by choosing the CONNECTION DETAILS button in the CONNECTION tab. The default Modbus serial communication settings on
all the controllers from the factory are as follows: