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1756-OF8H

ControlLogix 8 Pt A/O I or V HART Module

Name: ControlLogix 8 Pt A/O I or V HART Module
Brand: Rockwell Automation
SKU: 1756-OF8H

Serial #:

Lifecycle status: Active

Product at a glance

Repairable/Replaceable Calculate your impact

Description

Analog Output HART - Current/Voltage 8 Pts (20 Pin)

Preferred

Lifecycle status: Active

Product at a glance

Repairable/Replaceable Repairable/Replaceable

Description

Analog Output HART - Current/Voltage 8 Pts (20 Pin)

Unique Product Identifier	1756-OF8H
UPC	612598345489
Estimated Lead Time	5 days
Standard Warranty Duration	1 year See details
Country of Origin	Mexico

Display	Module Health, In Calibration,Mode
Isolation	None between channels (Single,Ended)
Number Of Channels	8
Output Signal	+/- 10.4V, 0-20 mA, 4-20 mA
Special Features	Supports HART Protocol

Analogue inputs configurable	True
Analogue outputs configurable	False
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
Data format	Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Gain drift with temperature	Voltage: 20 ppm/°C, Current: 35 ppm/°C
Input conversion method	Successive approximation
Input signal, configurable	True
Input, current	True
Input, resistance thermometer	False
Input, resistor	False
Input, thermocouple	False
Input, voltage	True
Isolation voltage	50V (continuous), basic insulation type, output channels to backplane, No isolation between individual output channels type tested at 1500V AC @ 60s
Load reactance	Voltage: 1 µF, Current: 10 µH
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
Module error	Voltage: 0.15% of range, Current: 0.3% of range
Module keying	Electronic, software configurable
Offset drift	100 µV/°C, 200 nA/°C
Open circuit detection time	Current output only (output must be set to <0.1 mA)
Output conversion method	R-Ladder DAC, monotonicity with no missing codes
Output range	-10…10V, 0…20 mA, 4…20 mA
Output signal configurable	False
Output, current	False
Output, voltage	False
Outputs	Eight voltage or current, one HART modem per module
Overvoltage protection	±24V DC
Power dissipation	4.92 W
Resolution	15...16 bit for all ranges
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
Suitable for safety functions	False
Terminal block torque specifications	1756-TBNH: 1.36 Nm (12 in-lb.)
Thermal dissipation	16.78 BTU/h
Total backplane power	6.54 W
Type of electric connection	Screw-/spring clA connection
Voltage and current ratings	Backplane: 5.1V DC @ 230mA, 24V DC @ 230mA, Output voltage: -10...+10.4V, Output current: 4...20 mA
Wire category	2 - on signal ports
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
Wire type	Copper

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

Mechanical

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

Construction

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)

General	Publication
User Manual	1756-UM533
Product Profile	--
Product Cutsheet	--
Selection Guide	1756-SG001
Technical Detail	--

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

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Available Downloads

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This product was certified with the above certifications as of 2026-07-16. 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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Regulatory Information

EU Importer Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium
EU Authorized Representative Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium

Technotes

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Overview

Unique Product Identifier	1756-OF8H
UPC	612598345489
Estimated Lead Time	5 days
Standard Warranty Duration	1 year See details
Country of Origin	Mexico

Electrical & Connectivity

Display	Module Health, In Calibration,Mode
Isolation	None between channels (Single,Ended)
Number Of Channels	8
Output Signal	+/- 10.4V, 0-20 mA, 4-20 mA
Special Features	Supports HART Protocol

Analogue inputs configurable	True
Analogue outputs configurable	False
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
Data format	Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Gain drift with temperature	Voltage: 20 ppm/°C, Current: 35 ppm/°C
Input conversion method	Successive approximation
Input signal, configurable	True
Input, current	True
Input, resistance thermometer	False
Input, resistor	False
Input, thermocouple	False
Input, voltage	True
Isolation voltage	50V (continuous), basic insulation type, output channels to backplane, No isolation between individual output channels type tested at 1500V AC @ 60s
Load reactance	Voltage: 1 µF, Current: 10 µH
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
Module error	Voltage: 0.15% of range, Current: 0.3% of range
Module keying	Electronic, software configurable
Offset drift	100 µV/°C, 200 nA/°C
Open circuit detection time	Current output only (output must be set to <0.1 mA)
Output conversion method	R-Ladder DAC, monotonicity with no missing codes
Output range	-10…10V, 0…20 mA, 4…20 mA
Output signal configurable	False
Output, current	False
Output, voltage	False
Outputs	Eight voltage or current, one HART modem per module
Overvoltage protection	±24V DC
Power dissipation	4.92 W
Resolution	15...16 bit for all ranges
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
Suitable for safety functions	False
Terminal block torque specifications	1756-TBNH: 1.36 Nm (12 in-lb.)
Thermal dissipation	16.78 BTU/h
Total backplane power	6.54 W
Type of electric connection	Screw-/spring clA connection
Voltage and current ratings	Backplane: 5.1V DC @ 230mA, 24V DC @ 230mA, Output voltage: -10...+10.4V, Output current: 4...20 mA
Wire category	2 - on signal ports
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
Wire type	Copper

Compliance & Environment

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

Physical Characteristics

Mechanical

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

Construction

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 Profile General
--

Product Cutsheet General
--

Selection Guide General
1756-SG001

Technical Detail General
--

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

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