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1756-it6i – Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual

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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

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

+

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

μ

V/bit

-12...30 mV: 0.7

μ

V/bit

ANALOG INPUT

CAL

OK