Installation UM353-1B
April 2012
7-16
AG00325a
52
51
50
49
48
47
46
45
44
43
Analog Input Universal 1 a
Analog Input Universal 1 d
Analog Input Universal 2 a
Analog Input Universal 2 d
Reference Junction for AINU1
Reference Junction for AINU2
Note:
Place Reference Junctions
against the connector
and as close to the
Connector Socket
Assembly as possible.
Connector Socket
Assembly
3. Check that all involved components and station wiring are fully inserted. Carefully tighten the terminal screws
to 5 in. lbs.
4. Repeat the above steps if the other AINU function block is to be used as a thermocouple input.
7.4.6 RTD Input Wiring
Wiring for 2-, 3-, and 4-wire RTDs is shown in Figure 7-15. Make connections as outlined in Section 7.4.1. Note
the wire jumper between terminals 47 and 48 when a 2-wire RTD is installed.
45
46
47
48
45
46
47
48
Jumper
2-Wire
RTD
3-Wire
RTD
45
46
47
48
Controller Circuitry
Isolated
Power
Isolated
Ground
Universal
Converter,
Isolated
Inputs
4-Wire
RTD
Note: See Table 7-1 for AINU2 terminals. NC = No Connection
MG00513a
Controller Terminals
NC
Figure 7-15 Universal Analog Input AINU1; 2, 3, and 4-Wire RTD Inputs
To Next Page
Loading...
