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UM353-1
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
2) Side Entry Connector - Carefully press the reference junction body into the vertical corner, against the
Connector Socket Assembly.
Notes:
1. As shown, Connector Cover removed.
2. Place Reference Junction in the corner,
against the Connector Socket
Assembly, as shown.
3. Sleeve Reference Junction leads.
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.
8.4.6 RTD Input Wiring
Wiring for 2-, 3-, and 4-wire RTDs is shown in Figure 8-18. Make connections as outlined in Section 8.4.3. Note
the wire jumper between terminals 47 and 48 when a 2-wire RTD is installed.
2-Wire
RTD
Note: See Table 8.1 for AINU2 terminals.
FIGURE 8-18 Universal Analog Input AINU1; 2, 3, and 4-Wire RTD Inputs
March 2003
43
44
45
46
47
48
49
50
51
52
45
45
3-Wire
4-Wire
RTD
RTD
46
46
47
47
48
48
Analog Input Universal 1 a
Analog Input Universal 1 d
Analog Input Universal 2 a
Analog Input Universal 2 d
Connector, Terminals 40-52
Reference Junction for AINU1
See Notes 2 and 3
Terminal 45, Analog Input Universal 1 a
Terminal 48, Analog Input Universal 1 d
Terminal 49, Analog Input Universal 2 a
Terminal 52, Analog Input Universal 2 d
Reference Junction for AINU2
See Notes 2 and 3
Controller Terminals
NC
Isolated
45
Power
46
Universal
Converter,
Isolated
47
Inputs
Isolated
48
Ground
NC = No Connection
Installation
X03115S1
8-19
- Quick Links:
- Function Blocks
- Error Codes
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