2
LOAD CELL 1
+
-
IN 2
IN 1
COM
COM
RL2
RL1
12 / 24 Vdc
6 7 83 4 51 2
33 3235 34 29 2831 30 25 2427 26 21 2023 22 19 18
E +
E -
+
+
-
-
S+ S-
SIG +
SIG -
REF +
REF -
EXC +
EXC -
LOAD CELL 2, 3, 4
LOAD CELL 4 LOAD CELL 3 LOAD CELL 2 LOAD CELL 1
E +
E -
+
+
-
-
S+
REF -
REF +
S-
SIG +
SIG -
EXC +
EXC -
11 12 16 179 10
RS485
B(-)
A(+)
J1
13 14 15
GND
RX
TX
RS232
JUMPER J1
QSG_ENG_DGT4X
1. Electrical scheme
Internal use
INPUT:
12÷48 Vdc,
OUTPUT:
48Vac or 60Vdc,
0,5 A max
CONSUMPTION:
4,5 W max.
For UL approved
models: equipment
to be powered by
12-24 Vdc LPS
or Class 2 power
source.
Load cells exitation: 5 V.
Load cells output: 6 mV/V max.
There’s a single SENSE circuit that
compensate all 4 load cells.
In LOAD CELL 2, 3, 4 connect:
SEN + to EXC +
SEN - to EXC -