ControlLogix 8 Pt A/O I or V HART Module

Lifecycle status: Active

Product at a glance

Repair Options Available

Lifecycle status: Active

Product at a glance

Repair Options Available

Isolation	None between channels (Single Ended)
Number Of Channels	8
Output Signal	+/- 10.4V, 0-20 mA, 4-20 mA

Input, current	True
Input, voltage	True
Input, resistor	False
Input, resistance thermometer	False
Input, thermocouple	False
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-/spring clA connection
Wire type	Copper
Output range	-10…10V, 0…20 mA, 4…20 mA
Load reactance	Voltage: 1 µF, Current: 10 µH
Terminal block torque specifications	1756-TBNH: 1.36 Nm (12 in-lb.)
Input conversion method	Successive approximation
Module keying	Electronic, software configurable
Offset drift	100 µV/°C, 200 nA/°C
Output conversion method	R-Ladder DAC, monotonicity with no missing codes
Outputs	Eight voltage or current, one HART modem per module
Data format	Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Wire category	2 - on signal ports
Overvoltage protection	±24V DC
Module error	Voltage: 0.15% of range, Current: 0.3% of range
Gain drift with temperature	Voltage: 20 ppm/°C, Current: 35 ppm/°C
Voltage and current ratings	Backplane: 5.1V DC @ 230mA, 24V DC @ 230mA, Output voltage: -10...+10.4V, Output current: 4...20 mA
Settling time	Current (no HART): <23 ms to 95% with resistive loads, current (with HART): <37 ms to 95% with resistive loads, voltage: <8.5 ms to 95% with resistive loads
Total backplane power	6.54 W
Thermal dissipation	16.78 BTU/h
Power dissipation	4.92 W
Resolution	15...16 bit for all ranges
Wire size	1756-TBNH: Single wire connection: 0.33...2.1 mm² (22...14 AWG) solid or stranded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, 1756-TBNH: Double wire connection: 0.33...1.3 mm² (22...16 AWG) solid or stranded cop
Calibrated accuracy	Voltage: Better than 0.1% of range @ 25 °C (77 °F) with HART disabled, Current: Better than 0.15% of range @ 25 °C (77 °F) with HART disabled
Open circuit detection time	Current output only (output must be set to <0.1 mA)
Module HART scan time	Analog: 12 ms, minimum, floating point, HART: typically 1 s per HART channel enabled. Estimate 10 s if all 8 channels have HART enabled, Pass through messages, handheld communicators, sary masters, communication errors, or configuration changes can s
Suitable for safety functions	False

Surrounding air temperature, max	60 °C
North American temperature code	T4
Emissions	IEC 61000-6-4
ESD immunity	6 kV contact discharges, 8 kV air discharges
EFT/B immunity	±2kV @ 5kHz on signal ports
Relative humidity	5...95% noncondensing
Conducted RF immunity	10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Surge transient immunity	±2kV line-earth (CM) on shielded ports
Operating temperature	0 °C <Ta <60 °C (32 °F <Ta <140 °F)
Radiated RF immunity	10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Nonoperating temperature	-40 °C

RTB keying	User-defined mechanical
Vibration	2 G @ 10...500 Hz
Shock	Operating: 30 G, Non operating: 50 G
Slot width	1

Calibration interval	12 mo typical
ATEX temperature code	T4
IECEx temperature code	T4

Isolation voltage	50V (continuous), basic insulation type, output channels to backplane, No isolation between individual output channels type tested at 1500V AC @ 60s

Enclosure type rating	None (open-style)

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	User Manual	1756-UM533
General	Product Cutsheet	--
General	Technical Detail	--
General	Product Profile	--
General	Selection Guide	1756-SG001
Technical Data	1756-td002_-en-e	1756-TD002

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Available Downloads

Firmware for 1756-OF8H v2.002
AOP - Add On Profiles for 1756 HART I/O v40.12.23

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Safety
American Bureau of Shippin

This product was certified with the above certifications as of 2025-07-19. 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

Isolation	None between channels (Single Ended)
Number Of Channels	8
Output Signal	+/- 10.4V, 0-20 mA, 4-20 mA

Input, current	True
Input, voltage	True
Input, resistor	False
Input, resistance thermometer	False
Input, thermocouple	False
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-/spring clA connection
Wire type	Copper
Output range	-10…10V, 0…20 mA, 4…20 mA
Load reactance	Voltage: 1 µF, Current: 10 µH
Terminal block torque specifications	1756-TBNH: 1.36 Nm (12 in-lb.)
Input conversion method	Successive approximation
Module keying	Electronic, software configurable
Offset drift	100 µV/°C, 200 nA/°C
Output conversion method	R-Ladder DAC, monotonicity with no missing codes
Outputs	Eight voltage or current, one HART modem per module
Data format	Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Wire category	2 - on signal ports
Overvoltage protection	±24V DC
Module error	Voltage: 0.15% of range, Current: 0.3% of range
Gain drift with temperature	Voltage: 20 ppm/°C, Current: 35 ppm/°C
Voltage and current ratings	Backplane: 5.1V DC @ 230mA, 24V DC @ 230mA, Output voltage: -10...+10.4V, Output current: 4...20 mA
Settling time	Current (no HART): <23 ms to 95% with resistive loads, current (with HART): <37 ms to 95% with resistive loads, voltage: <8.5 ms to 95% with resistive loads
Total backplane power	6.54 W
Thermal dissipation	16.78 BTU/h
Power dissipation	4.92 W
Resolution	15...16 bit for all ranges
Wire size	1756-TBNH: Single wire connection: 0.33...2.1 mm² (22...14 AWG) solid or stranded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, 1756-TBNH: Double wire connection: 0.33...1.3 mm² (22...16 AWG) solid or stranded cop
Calibrated accuracy	Voltage: Better than 0.1% of range @ 25 °C (77 °F) with HART disabled, Current: Better than 0.15% of range @ 25 °C (77 °F) with HART disabled
Open circuit detection time	Current output only (output must be set to <0.1 mA)
Module HART scan time	Analog: 12 ms, minimum, floating point, HART: typically 1 s per HART channel enabled. Estimate 10 s if all 8 channels have HART enabled, Pass through messages, handheld communicators, sary masters, communication errors, or configuration changes can s
Suitable for safety functions	False

Surrounding air temperature, max	60 °C
North American temperature code	T4
Emissions	IEC 61000-6-4
ESD immunity	6 kV contact discharges, 8 kV air discharges
EFT/B immunity	±2kV @ 5kHz on signal ports
Relative humidity	5...95% noncondensing
Conducted RF immunity	10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Surge transient immunity	±2kV line-earth (CM) on shielded ports
Operating temperature	0 °C <Ta <60 °C (32 °F <Ta <140 °F)
Radiated RF immunity	10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Nonoperating temperature	-40 °C

RTB keying	User-defined mechanical
Vibration	2 G @ 10...500 Hz
Shock	Operating: 30 G, Non operating: 50 G
Slot width	1

Calibration interval	12 mo typical
ATEX temperature code	T4
IECEx temperature code	T4

Isolation voltage	50V (continuous), basic insulation type, output channels to backplane, No isolation between individual output channels type tested at 1500V AC @ 60s

Enclosure type rating	None (open-style)

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

User Manual General
1756-UM533

Product Cutsheet General
--

Technical Detail General
--

Product Profile General
--

Selection Guide General
1756-SG001

1756-td002_-en-e Technical Data
1756-TD002

Type	Resource	Publication
General	User Manual	1756-UM533
General	Product Cutsheet	--
General	Technical Detail	--
General	Product Profile	--
General	Selection Guide	1756-SG001
Technical Data	1756-td002_-en-e	1756-TD002