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Installation and operating instructions
QX³ series
4.14.2.2
QX³4000-8000
Communication, sensor and
remote connection pin
assignments
Pin
15
16
All field bus subscribers must be connected as follows:
Connect all "Field bus communication +" cables and all "Field bus communication
–" cables together. (Set-up of an RS485 bus)
PV‐Wechselrichter
01
+
‐
Please pay attention to shield connection as described in chapter 5.1.2.1 Internal
connection area for accessories and network.
For technical reasons (bus termination) the LAN interface (Ethernet) must be
activated at the first and last inverter in the inverter group. In this configuration
the Ethernet interface can be used for communication with a PC.
_____________________________________________________________________________________________
Q3 ENERGIE Installation and operating instructions QX³ series
Version 1.0, Stand 27.04.2015
(Sensor and remote connection)
Meaning
Field bus Communication+
Field bus Communication-
PV‐Wechselrichter
02
. . .
PV‐Wechselrichter
03
PV‐Wechselrichter
n
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