INSTALLATION
WIRING REQUIREMENTS
2
-
13
Wiring must bear a suitable voltage rating for the highest voltage con-
nected to the termination board (either signal or power) and a 75°C
(167°F) minimum rating. Wiring must be in accordance with the
National Electrical Code. Refer to Figures
through
for typical
analog input/output connection examples.
Figure 2-5. External Wiring Label
T B 1
T B 2
A I1 P W R
A I1 +
A I1 –
A I2 P W R
A I2 +
A I2 –
A I3 P W R
A I3 +
A I3 –
A I4 P W R
A I4 +
A I4 –
A O 1 +
A O 1 –
A O 2 +
A O 2 –
M O D B U S
C O M
M O D B U S
C O M
D O 1 +
D O 1 –
D O 2 +
D O 2 –
D O 3 +
D O 3 –
D O 4 +
D O 4 –
D I1 P W R
D I1 +
D I1 –
D I2 P W R
D I2 +
D I2 –
D I3 P W R
D I3 +
D I3 –
C O M
+ 2 4 V IN
C O M
S 1
A I1
A I2
A I3
A I4
A O 1
A O 2
D I1
D I2
D I3
V
V
V
V
I
I
IS O
IS O
IS O
I
I
I
I
V
V
N O N
N O N
N O N
O N
O F F
P OW E R
S W IT C H
S 3
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 0
1 9
1 8
1 7
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
8
7
6
5
4
3
2
1
1
1
2
2
3
3
4
4
T
B
4
T
B
3
T 02 13 7 A
2 0
1 1
1
1 0
Figure 2-6. Powered Four to 20 Milliamp Analog Input
AI
PWR
!
TERMINAL
BLOCKS
TB1
XMTR
TB2
COM
+24 V
150
3 W
Ω
S1-7, 8, 9, 10
CLOSED
250
3 W
Ω
FIELD
TERMINATION BOARD
MAIN BOARD INPUT CIRCUITRY
TP80418A
MUX
+
+
–
–