Preferred
1756-OF8IH
ControlLogix 8 Pt A/O HART Isolated
Serial #:
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Lifecycle status:
Active
Product at a glance
Description
Isolated Analog Output Module - 8-Channel HART
Preferred
1756-OF8IH
ControlLogix 8 Pt A/O HART Isolated
Serial #:
This product has not been verified. Please {} to confirm authenticity.
register your product
Lifecycle status:
Active
Product at a glance
Description
Isolated Analog Output Module - 8-Channel HART
Overview
Electrical & Connectivity
General Features
Power & Electrical Characteristics
Compliance & Environment
Standards & Protection
Physical Characteristics
Mechanical
Construction
Drawings
Documents
Downloads
Certifications
Alternative Products
Technotes
| Unique Product Identifier |
1756-OF8IH
|
|---|---|
| UPC |
887172321634
|
| Estimated Lead Time |
53 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Mexico
|
| Display |
Module Health, In Calibration,Mode
|
|---|---|
| Isolation |
250V (continuous), Reinforced,insulation type, outputs to,backplane. Basic insulation,type, output to output, and,outputs to ground.
|
| Number Of Channels |
8
|
| Output Signal |
4-20mA
|
| Special Features |
Supports HART Protocol
|
| Analogue inputs configurable |
True
|
|---|---|
| Analogue outputs configurable |
False
|
| Calibrated accuracy |
0.15% @ 4...20mA, 25 °C (77 °F)
|
| Current draw |
400 mA (estimated) @ 24V @ 24V
|
| Data format |
IEEE 32-bit floating point
|
| Drive capability |
50...750 Ω with short circuit survival
|
| Gain drift with temperature |
±4 ppm of full scale range/°C
|
| Input signal, configurable |
True
|
| Input, current |
True
|
| Input, resistance thermometer |
False
|
| Input, resistor |
False
|
| Input, thermocouple |
False
|
| Input, voltage |
True
|
| Isolation voltage |
250V (continuous), Reinforced insulation type, outputs to backplane, Basic insulation type, output to output, and outputs to ground.
|
| Load reactance |
10 µH maximum
|
| Module error |
0.3% @ 4...20mA
|
| Module keying |
Electronic, software configurable
|
| Module scan time |
Estimate 1 s if all channels are HART enabled, Pass through messages, handheld communications, sary masters, communication errors, or configuration changes can significantly increase the update time.
|
| Offset drift |
±3 ppm of full scale range/°C (72 nA/°C typical)
|
| Open circuit detection |
Current output only (output must be set >=0.1 mA)
|
| Output conversion method |
R-Ladder DAC
|
| Output range |
0...20mA @ 4...20mA
|
| Output short circuit protection |
Current electronically limited to <=21 mA with no damage
|
| Output signal configurable |
False
|
| Output, current |
False
|
| Output, voltage |
False
|
| Outputs |
8 current
|
| Overvoltage protection |
±24V DC
|
| Power dissipation |
6.5 W nominal (maximum), (<6.4 W with 50 Ω load on all channels), (<6.5 W with 250 Ω load on all channels), (<6.7 W with 750 Ω load on all channels)
|
| Resolution |
15 bit across 24 mA, 732 nA per bit
|
| Settling time |
HART not enabled: <23 ms to 95% with resistive loads, HART enabled: <100 ms to 95% with resistive loads
|
| Suitable for safety functions |
False
|
| Terminal block torque specifications |
1756-TBCH: 0.5 Nm (4.4 in-lb)
|
| Type of electric connection |
Screw-/spring clA connection
|
| Voltage and current ratings |
Backplane: 220mA @ 5.1V DC, 360mA @ 24V DC, Output voltage range: 5...30V DC, Output current range: 0...20mA @ 4...20mA
|
| Wire category |
2 - on signal ports
|
| Wire size |
Single wire connection (1756-TBCH): 0.33...2.1 mm² (22...14 AWG) solid or stranded shielded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, Single wire connection (1756-TBS6H): 0.33...2.1 mm² (22...14 AWG) solid or
|
| 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 |
T4A
|
| 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)
|
|---|
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| Technical Data | Publication |
|---|---|
| 1756-td002_-en-e | 1756-TD002 |
| User Manual | Publication |
|---|---|
| 1756-um533_-en-p | 1756-UM533 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center
Search the Literature Library
Available Downloads
- DTM Library Software for the 1756-OF8IH Module v1.001
- Firmware for 1756-OF8IH v1.001
- EDS files for 1756-OF8IH (multi)
- EDS files for ControlLogix Family (multi)
- AOP - Add On Profiles for 1756 HART I/O v40.12.23
This product was certified with the above certifications as of 2026-08-11. 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.
Looking for certification documents?
Explore certifications for this product and more in our comprehensive Literature Library.
Regulatory Information
| EU Importer Address |
Rockwell Automation N.V |
|---|---|
| EU Authorized Representative Address |
Rockwell Automation N.V |
Items Per Page:
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Overview
| Unique Product Identifier |
1756-OF8IH
|
|---|---|
| UPC |
887172321634
|
| Estimated Lead Time |
53 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Mexico
|
Electrical & Connectivity
| Display |
Module Health, In Calibration,Mode
|
|---|---|
| Isolation |
250V (continuous), Reinforced,insulation type, outputs to,backplane. Basic insulation,type, output to output, and,outputs to ground.
|
| Number Of Channels |
8
|
| Output Signal |
4-20mA
|
| Special Features |
Supports HART Protocol
|
| Analogue inputs configurable |
True
|
|---|---|
| Analogue outputs configurable |
False
|
| Calibrated accuracy |
0.15% @ 4...20mA, 25 °C (77 °F)
|
| Current draw |
400 mA (estimated) @ 24V @ 24V
|
| Data format |
IEEE 32-bit floating point
|
| Drive capability |
50...750 Ω with short circuit survival
|
| Gain drift with temperature |
±4 ppm of full scale range/°C
|
| Input signal, configurable |
True
|
| Input, current |
True
|
| Input, resistance thermometer |
False
|
| Input, resistor |
False
|
| Input, thermocouple |
False
|
| Input, voltage |
True
|
| Isolation voltage |
250V (continuous), Reinforced insulation type, outputs to backplane, Basic insulation type, output to output, and outputs to ground.
|
| Load reactance |
10 µH maximum
|
| Module error |
0.3% @ 4...20mA
|
| Module keying |
Electronic, software configurable
|
| Module scan time |
Estimate 1 s if all channels are HART enabled, Pass through messages, handheld communications, sary masters, communication errors, or configuration changes can significantly increase the update time.
|
| Offset drift |
±3 ppm of full scale range/°C (72 nA/°C typical)
|
| Open circuit detection |
Current output only (output must be set >=0.1 mA)
|
| Output conversion method |
R-Ladder DAC
|
| Output range |
0...20mA @ 4...20mA
|
| Output short circuit protection |
Current electronically limited to <=21 mA with no damage
|
| Output signal configurable |
False
|
| Output, current |
False
|
| Output, voltage |
False
|
| Outputs |
8 current
|
| Overvoltage protection |
±24V DC
|
| Power dissipation |
6.5 W nominal (maximum), (<6.4 W with 50 Ω load on all channels), (<6.5 W with 250 Ω load on all channels), (<6.7 W with 750 Ω load on all channels)
|
| Resolution |
15 bit across 24 mA, 732 nA per bit
|
| Settling time |
HART not enabled: <23 ms to 95% with resistive loads, HART enabled: <100 ms to 95% with resistive loads
|
| Suitable for safety functions |
False
|
| Terminal block torque specifications |
1756-TBCH: 0.5 Nm (4.4 in-lb)
|
| Type of electric connection |
Screw-/spring clA connection
|
| Voltage and current ratings |
Backplane: 220mA @ 5.1V DC, 360mA @ 24V DC, Output voltage range: 5...30V DC, Output current range: 0...20mA @ 4...20mA
|
| Wire category |
2 - on signal ports
|
| Wire size |
Single wire connection (1756-TBCH): 0.33...2.1 mm² (22...14 AWG) solid or stranded shielded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, Single wire connection (1756-TBS6H): 0.33...2.1 mm² (22...14 AWG) solid or
|
| 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 |
T4A
|
| 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
Sign in to your Rockwell Automation account to view and download technical drawings.
Sign In
Documents
|
1756-OF8IH in Voltage Mode with 1492-AIFM8S-3 or 1492-RAIFM8S-3 41171-196 Rev 1
General
-- |
|
Product Cutsheet
General
-- |
|
1756-OF8IH in Current Mode with 1492-AIFM8S-3 or 1492-RAIFM8S-3 41171-191 Rev 01
General
-- |
|
Technical Detail
General
-- |
|
1756-OF8IH in Voltage Mode with 1492-AIFM6S-3 or 1492-RAIFM6S-3 41171-193 Rev 1
General
-- |
|
Product Profile
General
-- |
|
1756-td002_-en-e
Technical Data
1756-TD002 |
|
1756-um533_-en-p
User Manual
1756-UM533 |
| General | Publication |
|---|---|
| 1756-OF8IH in Voltage Mode with 1492-AIFM8S-3 or 1492-RAIFM8S-3 41171-196 Rev 1 | -- |
| Product Cutsheet | -- |
| 1756-OF8IH in Current Mode with 1492-AIFM8S-3 or 1492-RAIFM8S-3 41171-191 Rev 01 | -- |
| Technical Detail | -- |
| 1756-OF8IH in Voltage Mode with 1492-AIFM6S-3 or 1492-RAIFM6S-3 41171-193 Rev 1 | -- |
| Product Profile | -- |
| Technical Data | Publication |
| 1756-td002_-en-e | 1756-TD002 |
| User Manual | Publication |
| 1756-um533_-en-p | 1756-UM533 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center
Search the Literature Library
Downloads
Available Downloads
- DTM Library Software for the 1756-OF8IH Module v1.001
- Firmware for 1756-OF8IH v1.001
- EDS files for 1756-OF8IH (multi)
- EDS files for ControlLogix Family (multi)
- AOP - Add On Profiles for 1756 HART I/O v40.12.23
Certifications
This product was certified with the above certifications as of 2026-08-11. 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.
Looking for certification documents?
Explore certifications for this product and more in our comprehensive Literature Library.
Regulatory Information
| EU Importer Address |
Rockwell Automation N.V |
|---|---|
| EU Authorized Representative Address |
Rockwell Automation N.V |
Alternative Products
Items Per Page:
Technotes
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Multiple countries of origin based on manufacturing location
ControlLogix 8 Pt A/O HART Isolated
1756-OF8IH
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