CS Instruments FA 550, Instruction Manual, Page: 11 / 37

Electrical wiring
Page 11
FA 550 V1.00
9 Electrical Wiring
9.1 Cable glands - clamping ranges
For ensuring the tightness and strain relief, connector cables with the following diameters must be used.
VA570 Standard clamping range : Ø5-9mm
VA570 Ex clamping range: Ø5-10mm
9.2 Connector pin assignment
A
la
rm
1 2
I
(4
-2
0
m
A
)
X1
X2
X3
1 2
G
N
D
V
B
+
1 2 3
M
o
d
(A
)
1 2 3 4
NC
Main Board
M
o
d
(B
)
X4
NC
A
la
rm
Standard version with 1x analogue output (not galvanically isolated)
A
la
rm
1 2
I (4-20mA)
1
2
X1
X2 X4
X6
X5
I (4-20mA)
1
2
G
N
D
V
B
+
1 2 3
M
o
d
(A
)
1 2 3 4
NC
Main Board
M
o
d
(B
)
Option Board 4-20mA
NC
A
la
rm
Version with option board 2x analogue outputs galvanically isolated
2 1
X1
X2
X4
K1
MBUS
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
)
Option Board MBus
I
(
4
..
.2
0
m
A
)
X3
NC
A
la
rm
Version with option board MBus