Mounting and Installation
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276285 / 949160310010
2021-05-06·BA00·III·en·00
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Termination board and
connecting cable for Zone 2
Series 9491
Connecting the field devices to the termination board
The input and output signals on the X1 terminals of the I/O modules are passed on to the X1A
and X1B terminals of the termination board.
9469/35-08-11
9491/T1-08-0.
Channel Terminal Terminal
no.
Function
Terminal Terminal
no.
2-wire
AI/AO transmitter
3-/4-wire
AI transmitter
(ext. supply)
0
X1
1
(+)
NC
X1A
1
2
Earth
NC
2
1
3
(+)
NC
3
4
Earth
NC
4
2
5
(+)
NC
5
6
Earth
NC
6
3
7
(+)
NC
7
8
Earth
NC
8
4
9
NC
Output (+24 V)
9
10
(+)
(-)
10
11
NC
(+)
11
12
Earth
Earth
12
5
13
NC
Output (+24 V)
X1B
1
14
(+)
(-)
2
15
NC
(+)
3
16
Earth
Earth
4
6
17
NC
Output (+24 V)
5
18
(+)
(-)
6
19
NC
(+)
7
20
Earth
Earth
8
7
21
NC
Output (+24 V)
9
22
(+)
(-)
10
23
NC
(+)
11
24
Earth
Earth
12
