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6.2.1 Electrical Connections – Figs 6.6 to 6.8
Output/Power
Supply Board
Terminal blocks
viewed from rear
Option Board
Input Board
1
2
3
4
5
of case
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Fig. 6.6 Electrical Connections – General
Digital / Analog Output 1
+
(ao1 /do1)
–
Analog Output 2
+
(ao2)
–
NO
C
Relay 1 (RLY1)
NC
NO
C
Relay 2 (RLY2)
NC
Live (1A fuse)
N
Neutral
L
Digital Input Common
–
+
Digital Input 3 (di3)
+
Digital Input 4 (di4)
NO/NC
Relay 3 (RLY3)
C
NO/NC
Relay 4 (RLY4)
C
COM
Rx+
RS485
Rx–
Tx+
Tx–
–
Digital Input Common
+
Digital Input 1 (di1)
+
Digital Input 2 (di2)
–
+
Analog Input 1 (I/P1)
RTD1
–
Analog Input 2 (I/P2)
+
–
+
Analog Input 3 (I/P3)
RTD2
+
Transmitter PSU
6 INSTALLATION...
Caution.
Power Supply ground
cable
must
connected
to
Ground Stud.
See
Fig. 6.7
The
be
the
87
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