Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules - Manual (Page 300)

300 Publication 1756-UM009C-EN-P - December 2010
Appendix A Analog I/O Module Specifications
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
1756-IR6I 4-wire RTD
4-wire RTD
Shield Ground
IN-1/A
IN-1/B
RTN-1/C
IN-3/A
IN-3/B
RTN-3/C
Not used
IN-5/A
IN-5/B
RTN-5/C
IN-0/A
IN-0/B
RTN-0/C
IN-2/A
IN-2/B
RTN-2/C
Not used
IN-4/A
IN-4/B
RTN-4/C
· Do not connect more than two wires to any single terminal.
· Wiring is exactly the same as the three--wire RTD with one wire left open.
Input Signal to User Count Conversion - 1756-IR6I
Range Low Signal and User Counts High Signal and User Counts
1...487
Ω
0.859068653
Ω
-32768 counts
507.862
Ω
32767 counts
2...1000
Ω
2
Ω
-32768 counts
1016.502
Ω
32767 counts
4...2000
Ω
4
Ω
-32768 counts
2033.780
Ω
32767 counts
8...4020
Ω
8
Ω
-32768 counts
4068.392
Ω
32767 counts
Technical Specifications - 1756-IR6I
Attribute 1756-IR6I
Inputs 6 individually isolated RTD
Input range 1…487
Ω
2…1000 Ω
4…2000
Ω
8…4020 Ω
Resolution 16 bits
1…487
Ω : 7.7 m Ω /bit
2…1000
Ω
: 15 m
Ω
/bit
4…2000 Ω : 30 m Ω /bit
8…4020
Ω
: 60 m
Ω
/bit
ANALOG INPUT
CAL
OK