beautypg.com

1756-it6i2 – Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual

Page 308

background image

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