Installing the inverter
Page 26
Operating Instructions for Powador 7700-9600_EN
EN
EN
Authorised electrician
RS485
RS485
RS485
PR
OL
OG
Ra*
Ra* Ra*
Ra*
Ra*
Ra* R
RS485
N
L2
L1
WR 1
WR 2
WR 3
WR 4
WR 5
WR 6
WR 28
WR 29
WR 30
L3
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7.4.1.2 Wiring diagram for park operation
NOTE
Depending on the ARM Software Version, connection in groups of three is required.
From version 4.92 (package version 1.15), the phase unbalanced load monitoring is automatic!
The termination is only carried out here on the terminal unit of the inverter chain.
Up to version 4.91, one of the three connection options must be used. The termination for the CAN
bus must be performed in groups of three!
1. option
The maximum patch cable length for each group of three is 100 m (total length of the inverter chain max. 1200 m)
Group of 3
Patch cable (CAN/RS485)
Group of 3
Group of 3
2. option
The maximum length of the CAN (twisted pair) without RS485 conductors for every group of three is 500 m (total
length of the inverter chain max. 1200 m)
Group of 3
CAN (Twisted Pair) without RS485 conductor
Group of 3
Group of 3
R
a*
R
a*
R
a*
R
a*
R
a*
R
a*
N
L2
L1
WR 1
WR 2
WR 3
WR 4
WR 5
WR 6
WR 28
WR 29
WR 30
L3
** ** ** **
** ** ** **
** ** ** **
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