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PAVONE DAT 500 - Load Cell Connections; Load Cell Cable Routing; Load Cell Capacity and Sensitivity; 4-Wire Load Cell Jumper

PAVONE DAT 500
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Page 6
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24
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LOAD CELLS
- Exc
+ Exc
+ Sense
- Sense
- Sig
+ Sig
2+SGN
3-EXC
6+EXC
1-SGN
5+SNS
4-SNS
7SHD
+EXC
-EXC
+SGN
-SGN
SHD
1
2
3
4
5
+EXC
-EXC
+SGN
-SGN
SHD
1
2
3
4
5
+EXC
-EXC
+SGN
-SGN
SHD
1
2
3
4
5
+EXC
-EXC
+SGN
-SGN
SHD
1
2
3
4
5
J-BOX CGS4
DAT 500
SENSE-
SENSE+
I OUT+
V OUT+
SIGN-
SIGN+
C OUT
S GND
C OUT
OUT2
C IN
EXC-
EXC+
OUT1
IN2
RX-
RX+
T X-
TX+
IN1
TXD
RXD
24
12
11
10
23
24
19
22
21
20
14
15
16
17
18
13
9
8
3
4
5
1
2
+
-
6
7
+24V
+EXC
-EXC
+SGN
-SGN
SHD
+EXC
-EXC
+SGN
-SGN
SHD
+EXC
-EXC
+SGN
-SGN
SHD
+EXC
-EXC
+SGN
-SGN
SHD
25 pin Connector
FIELDBUS
OPTIONAL
1
2
3
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19
20
21
22
23
24
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INPUTS
24 VDC
INPUT 1
INPUT 2
+
-
COM. INPUT
CONNECTIONS OF THE LOAD CELL/S
The cell/s cable must not be channeled with other cables, but must
follow its own path.
The instrument can be connected up to a maximum of 8 load cells
of 350 ohm in parallel. The supply voltage of the cells is 5 Vdc and
is protected by temporary short circuit.
The measuring range of the instrument involves the use of load cells
with a sensitivity of up to 3.5 mV / V.
The cable of the load cells must be connected to terminals 19-24.
In the case of 4-wire load cell cable, jumper the terminals 19 to 22
and 20 to 21.
Connect the cell cable shield to the terminal 2.
In the case of the usage of two or more load cells, use special jun-
ction boxes. Below please find their connection.
LOGIC INPUTS
The two logic inputs are opto-isolated.
The cable connecting the logic input should not be channeled with
the power cables.
The function of the two inputs is as follows:
INPUT1 Resetting the displayed value (gross, net or peak)
INPUT 2 PRINT
The activation of the two functions is accomplished by bringing the
external power supply 24 Vdc to the corresponding terminals as
shown in the figure.