Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules - Manual (Page 308)

308 Publication 1756-UM009C-EN-P - December 2010
Appendix A Analog I/O Module Specifications
1756-IT6I2
ControlLogix enhanced thermocouple analog input module

Cold Junction
Sensor
Thermocouple
Wire
Not Used
CJC–
RTN-0
RTN-1
RTN-
RTN-3
RTN-
RTN-5
CJC–
Not used
Spade Lug
Not Used
CJC+
IN-0
IN-1
IN-2
IN-3
IN-4
IN-5
CJC+
Not used
Wire Spade Lug
1756-IT6I2 Cold Junction Sensor
· Do not connect more than two wires to any single terminal.
· Two CJCs are shipped with the module. Replacements can
be ordered.
Input Signal to User Count Conversion - 1756-IT6I2
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-IT6I2
Attribute 1756-IT6I2
Inputs 6 individually isolated thermocouple
2 CJC
Input range -12…78 mV (1.4 μ V per bit)
-12…30 mV (0.7
μ
V per bit – high resolution range)
Resolution 16 bits
-12...78 mV: 1.4
μ
V/bit
-12...30 mV: 0.7
μ
V/bit
Thermocouples B, E, J, K, R, S, T, N, C, D, L (TXK/XK)
Analog Input
CAL
OK