/11.2015/
G17D
47
EN
Inverter (EC compressor driver)
According to a signal from the μPC controller, the inverter modulates the rotation speed of compressor, in order to
adjust cooling capacity to the actual thermal load.
Reference Description
A
Terminal block for power lines
B
Terminal block for control lines
C
Fastening bracket
D
Cooling fan
E
PE connection
F
Operating status LEDs
G
Terminals for connecting a shunt reactor
Setting the network address
The network address is composed by the base address which can be mo-
dified via the ModBus® connection and the address which can be adjusted
by the micro switches.
Address
Micro switches
1
2
3
4
0
OFF
OFF
OFF
OFF
1
ON
OFF
OFF
OFF
2
OFF
ON
OFF
OFF
...
...
...
...
...
15
ON
ON
ON
ON
Micro switch
address 0
In the default setting, the base address is set on 1. In
combination with the default setting (0) of the micro
switches results the network address 1.