1762-IT4

MicroLogix 4 Point Input Module

Lifecycle status: Active Mature

Product at a glance

Replacement Available

Lifecycle status: Active Mature

Product at a glance

Replacement Available

Class	Progmable Logic Controller Module
Depth	87
Height	90
I/O Isolation	Isolated
I/O Status Indication	LED
Number Of Channels	4 point
Temperature Rating	0…55 °C (32…131 °F)
Thermocouple Type	4 Channel, Thermocouple/Mv Module

Number of analogue outputs	4
Input, current	False
Input, voltage	False
Input, resistor	False
Input, resistance thermometer	False
Input, thermocouple	True
Input signal, configurable	True
Output, current	False
Output, voltage	False
Output signal configurable	False
Analogue inputs configurable	True
Analogue outputs configurable	False
Type of electric connection	Screw connection
Rated working voltage	30V DC
Open-circuit detection time	7 ms
Bus current draw	50mA @ 24V DC, maximum
Fast transient burst	IEC1000-4-4 2kV @ 5kHz
Normal mode rejection ratio	85 dB min @ 60 Hz with the 10 or 60 Hz filter selected
Input group to bus isolation	30V AC/30V DC working voltage type test: 720V DC @ 1min
Conducted immunity	IEC 1000-4-6: 10V @ 0.15...80MHz
Radiated immunity	IEC 61000-4-3: 10 V/m, 80...1000 MHz, 80% Alitude modulation, +900 MHz keyed carrier
Accuracy	Thermocouple T: (-270...230 °C), without autocalibration ±0.3500 °C/°C with temperature drift, maximum @ 0...60 °C ambient
Calibration	The module performs autocalibration upon power-up and whenever a channel is enabled. You can also prog the module to calibrate every five minutes
Resolution	15 bit plus sign
Suitable for safety functions	False
Cable impedance, max	25
CJC accuracy	±1.3 °C
Overload at input terminals	Maximum @ ±35V DC continuous
Surge immunity	IEC1000-4-5: 1kV galvanic gun
Module power LED	ON: indicates power is applied
Response speed per channel	Input filter and configuration dependent
Heat dissipation	1.5 total W (the W per point, plus the minimum W, with all points enabled)
Input channel configuration	Via configuration software screen or the user prog (by writing a unique bit pattern into the module’s configuration file)
Module OK LED	ON: module has power, has passed internal diagnostics, and is communicating over the bus, OFF: Any of the above is not true.

Operating temperature	-20 °C
ESD immunity	IEC1000-4-2: 4kV contact, 8kV air, 4kV indirect
Operating altitude	2000 m
Storage temperature	-40 °C
Operating humidity	5...95% noncondensing

Common mode voltage range	±10V
A/D converter type	Delta-Sigma
Common mode rejection	>110 dB at 60 Hz (with 10 or 60 Hz filter)
Input impedance	>10 MΩ
Channel diagnostics	Over or under range or open circuit condition by bit reporting for analog inputs

Repeatability	Thermocouple T: ±1.5 °C for 10 Hz filter
Input and output group to system isolation	30V AC/30V DC working voltage type test: 500V AC or 707V DC @ 1min

Vibration	Relay ops: 2 G
Shock	Relay ops: 7.5 G panel mounted (5 G DIN rail mounted)
Shipping weight	220 g

Hazardous environment class	Class I, Division 2, Hazardous Location, Groups A, B, C, D (UL 1604, C-UL under CSA C22.2 No. 213)
Radiated and conducted emissions	EN50081-2: Class A

Recommended cable	Belden™ 8761 (shielded), shielded thermocouple extension wire for the specific type of thermocouple you are using. Follow thermocouple manufacturer’s recommendations
Height	90 mm
Width	40 mm
Depth	87 mm

Noise immunity	NEMA standard ICS 2-230

Drawings
3-Dimensional STEP model (STP)	Download (ZIP)
Product Drawing	Drawing (DWG)

Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DWG)

Type	Resource	Publication
General	Selection Guide	1761-SG001
General	Product Cutsheet	--

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UL Listed Hazardous
UKCA DOC

This product was certified with the above certifications as of 2025-09-10. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

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Technical Specifications

Class	Progmable Logic Controller Module
Depth	87
Height	90
I/O Isolation	Isolated
I/O Status Indication	LED
Number Of Channels	4 point
Temperature Rating	0…55 °C (32…131 °F)
Thermocouple Type	4 Channel, Thermocouple/Mv Module

Number of analogue outputs	4
Input, current	False
Input, voltage	False
Input, resistor	False
Input, resistance thermometer	False
Input, thermocouple	True
Input signal, configurable	True
Output, current	False
Output, voltage	False
Output signal configurable	False
Analogue inputs configurable	True
Analogue outputs configurable	False
Type of electric connection	Screw connection
Rated working voltage	30V DC
Open-circuit detection time	7 ms
Bus current draw	50mA @ 24V DC, maximum
Fast transient burst	IEC1000-4-4 2kV @ 5kHz
Normal mode rejection ratio	85 dB min @ 60 Hz with the 10 or 60 Hz filter selected
Input group to bus isolation	30V AC/30V DC working voltage type test: 720V DC @ 1min
Conducted immunity	IEC 1000-4-6: 10V @ 0.15...80MHz
Radiated immunity	IEC 61000-4-3: 10 V/m, 80...1000 MHz, 80% Alitude modulation, +900 MHz keyed carrier
Accuracy	Thermocouple T: (-270...230 °C), without autocalibration ±0.3500 °C/°C with temperature drift, maximum @ 0...60 °C ambient
Calibration	The module performs autocalibration upon power-up and whenever a channel is enabled. You can also prog the module to calibrate every five minutes
Resolution	15 bit plus sign
Suitable for safety functions	False
Cable impedance, max	25
CJC accuracy	±1.3 °C
Overload at input terminals	Maximum @ ±35V DC continuous
Surge immunity	IEC1000-4-5: 1kV galvanic gun
Module power LED	ON: indicates power is applied
Response speed per channel	Input filter and configuration dependent
Heat dissipation	1.5 total W (the W per point, plus the minimum W, with all points enabled)
Input channel configuration	Via configuration software screen or the user prog (by writing a unique bit pattern into the module’s configuration file)
Module OK LED	ON: module has power, has passed internal diagnostics, and is communicating over the bus, OFF: Any of the above is not true.

Operating temperature	-20 °C
ESD immunity	IEC1000-4-2: 4kV contact, 8kV air, 4kV indirect
Operating altitude	2000 m
Storage temperature	-40 °C
Operating humidity	5...95% noncondensing

Common mode voltage range	±10V
A/D converter type	Delta-Sigma
Common mode rejection	>110 dB at 60 Hz (with 10 or 60 Hz filter)
Input impedance	>10 MΩ
Channel diagnostics	Over or under range or open circuit condition by bit reporting for analog inputs

Repeatability	Thermocouple T: ±1.5 °C for 10 Hz filter
Input and output group to system isolation	30V AC/30V DC working voltage type test: 500V AC or 707V DC @ 1min

Vibration	Relay ops: 2 G
Shock	Relay ops: 7.5 G panel mounted (5 G DIN rail mounted)
Shipping weight	220 g

Hazardous environment class	Class I, Division 2, Hazardous Location, Groups A, B, C, D (UL 1604, C-UL under CSA C22.2 No. 213)
Radiated and conducted emissions	EN50081-2: Class A

Recommended cable	Belden™ 8761 (shielded), shielded thermocouple extension wire for the specific type of thermocouple you are using. Follow thermocouple manufacturer’s recommendations
Height	90 mm
Width	40 mm
Depth	87 mm

Noise immunity	NEMA standard ICS 2-230

Drawings

Drawings
3-Dimensional STEP model (STP)	Download (ZIP)
Product Drawing	Drawing (DWG)

Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DWG)

Documents

Selection Guide General
1761-SG001

Product Cutsheet General
--

Type	Resource	Publication
General	Selection Guide	1761-SG001
General	Product Cutsheet	--