5/17/2022 | MAN1278-03-EN
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3.7 - Ex: Universal Input Wiring Schematic
20
mA
20mA Analog In - Self Powered
AI1
C
4 - 20mA Analog Out
C
AQ1
20mA
C
AI1
R1+
RTD In
20
mA
20mA Analog In - Not Self Powered
Loop Power
AI1
C
RTD: 4 x 3 - Wire RTD Connection
If AQ1 is used, RTD3 is unavailable.
If AQ2 is used, RTD4 is unavailable.
RTD
AI1
R1+
AI2
R2+
AI3
R3+
AQ1
AI4
R4+
AQ2
C
RTD
RTD
RTD
PIN
Wire
Connection
1
AI1 (%AI1)
RTD Sense
2
R1+ (%AI1)
RTD Excitation
3
AI2 (%AI2)
RTD Sense
4
R2+ (%AI1)
RTD Excitation
5
AI3
(AI3/%AQ1)
RTD Sense
6
R3+ or AQ1
(AI3/%AQ1)
RTD Excitation
7
AI4 (AI4/%AQ2)
RTD Sense
8
R4+ or AQ2
(AI4/%AQ2)
RTD Excitation
9
C
Common
If AQ1 is used, RTD3 is unavailable.
If AQ2 is used, RTD4 is unavailable.
RTD
AI1
R1+
AI2
R2+
AI3
R3+
AQ1
AI4
R4+
AQ2
C
RTD
RTD
RTD
RTD: 4 x 2 - Wire RTD Connection
PIN
Wire
Connection
1
AI1 (%AI1)
RTD Sense
2
R1+ (%AI1)
RTD Excitation
3
AI2 (%AI2)
RTD Sense
4
R2+ (%AI1)
RTD Excitation
5
AI3
(AI3/%AQ1)
RTD Sense
6
R3+ or AQ1
(AI3/%AQ1)
RTD Excitation
7
AI4 (AI4/%AQ2)
RTD Sense
8
R4+ or AQ2
(AI4/%AQ2)
RTD Excitation
9
C
Common
Inserting and Removing Connectors:
To Insert
: Using a small screwdriver, firmly press on connector on one end and then the other until connector clicks into place. Ensure connector is firmly seated.
To Remove:
Use a small screwdriver on each side of connector to gently pry up the connector.
page 6 of 8
wiring: I-O continued...
