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12
8
0V
D0
D1
Pin1 Pin8
1
HTG410H
Master
ON
Modbus
Slave 1
Slave n (31 max)
854
RJ45
Cable Li2YCYTP
Green
Yellow
Brown
White
R 120 Ω
120 Ω
8
1
MENU
PROG
OK
In7
Output
Aux supply
In1
In2
In3
In4
In5
In6
+
_
RS485
•
+
_
Vout
1 2 3
5
9 8
7
20 22
1416
4
6
15 17
13
C=0.1Wh/imp
V1
V2
V3
I1
I2
I3
NC
Green
Yellow
Brown
White
Modbus RS485
2
8
1
Setup
1
1
2
Technical changes reserved
Note, the SM102E, SM103E and HIC4xx have an integrated resis-
tance, if the device (SM102E, SM103E, HIC4xx) is located
at the termination of the Modbus line, the 2 dip-switches on the com-
munication module should be set on the "ON" position for
the resistance activation.
- Use always the same pair (green-yellow) for the cabling, cable re-
ference HTG485H.
- Cable shield grounded only at the beginning of the bus, by using
the shielded connector with earth cable, reference HTG465H.
Detail for the pin position at RJ45 jack and plug respectively.
SMxx /
ECxx /
ACB /
HIC4xx
Remarks:
- Line termination on the master, energy server HTG410H
(R=120 Ω = on) and on the end of the bus.
Diagram with 2 wires connection devices
HTG410H
The EIA/TIA RS485
Pin 4 = D1 or B/B’ or (+)
Green conductor
Pin 5 = D0 or A/A’ or (-)
Yellow conductor
Pin 8 = Common or C/C’ or (0VL) Not used in this configuration
Cable Li2YCYTP
Green
Green
Slave 1
Slave n
Yellow
Yellow
Brown
Brown
White
White