Electrical wiring
Page 13
FA 550 V1.00
9.3
Wire connection
9.3.1 General:
Wiring to be done in strainless state only.
Length of cable skinning to be minimized
Not used cable entries must be closed with end caps
Use of cables with cross section of >= 0.25mm²
9.3.2 Power supply
A
la
rm
X1
X2
X4
1
2
G
N
D
V
B
+
1
2
3
M
o
d
(A
)
1
2
3
4
Â
la
rm
NC
Main Board
M
o
d
(B
)
1
2
I
(4
..
.2
0
m
A
)
X3
NC
9.3.3 Modbus RTU
If the sensor placed at the end oft he Modbus system a termination is required.
Therfore the enclosed 120R resistor is to be connected at Pin 1 and Pin 3
of connector „X2“
A
la
rm
X1
X2
X4
1
2
G
N
D
V
B
+
1
2
3
M
o
d
(A
)
1
2
3
4
A
la
rm
NC
Main Board
M
o
d
(B
)
120R
1
2
I
(4
..
.2
0
m
A
)
X3
NC