/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.
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