Manual

304 Publication 1756-UM009C-EN-P - December 2010
Appendix A Analog I/O Module Specifications
1756-IT6I
ControlLogix temperature sensing analog input module
1
2
3
4
56
78
910
1112
1314
1516
1718
1920
+
–
Cold
Junction
Sensor
Thermocouple
Wire
IN-0
Not Used
RTN-0
IN-2
Not Used
RTN-2
Not Used
IN-4
Not Used
RTN-4
1756-IT6I
IN-0
Not Used
RTN-1
IN-3
CJC+
RTN-3
CJC-
IN-5
Not Used
RTN-5
Lug
· Do not connect more than two wires to any single terminal.
· One CJC is shipped with the module. A replacement can
be ordered.
Input Signal to User Count Conversion - 1756-IT6I
Range Low Signal and User Counts High Signal and User Counts
-12...30 mV -15.80323 mV
-32768 counts
31.396 mV
32767 counts
-12...78 mV -15.15836 mV
-32768 counts
79.241 mV
32767 counts
Technical Specifications - 1756-IT6I
Attribute 1756-IT6I
Inputs 6 individually isolated thermocouple
1 CJC
Input range -12…78 mV
-12…30 mV
Resolution 16 bits
-12...78 mV: 1.4 μV/bit
-12...30 mV: 0.7 μV/bit
ANALOG INPUT
CAL
OK