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Allen Bradley
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1756-OF8I

ControlLogix 8 Point Analog Output

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Product at a glance
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Repair Options Available
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Technical Specifications
Drawings
Documents
Downloads
Certifications
Technotes
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
Output range -10…10V, 0…10V, 0…5V, 0…20 Ma
Module keying Electronic, software configurable
Module error over full temperature range 0.1 %
Module conversion method R-Ladder DAC, monotonicity with no missing codes
Open circuit detection Current output = Yes
Drive capability Current output = 0...1000 Ω, Voltage output =>1000 Ω
Short circuit detection Voltage output = Yes
Data format IEEE 32-bit floating point
Wire category 2 - on signal ports
Overvoltage protection ±30V DC (voltage/current)
Settling time <2 ms to 95% of final value with resistive loads
Total backplane power Voltage mode = 6.3 W, Current mode with 250 Ω loads = 6.3 W, Current mode with 500 Ω loads = 7.6 W, Current mode with 750 Ω loads = 9.2 W, Current mode with 1000 Ω loads = 10.2 W
Module scan time 1 ms minimum
Thermal dissipation Voltage mode = 18.4 BTU/hr, Current mode with 250 Ω loads = 18.4 BTU/hr, Current mode with 500 Ω loads = 19.8 BTU/hr, Current mode with 750 Ω loads = 22.2 BTU/hr, Current mode with 1000 Ω loads = 22.9 BTU/hr
Current draw 200mA @ 5.1V, Voltage or current mode with 250 Ω loads = 220mA @ 24V, Current mode with 500 Ω loads = 275mA @ 24V, Current mode with 750 Ω loads = 340mA @ 24V, Current mode with 1000 Ω loads = 385mA @ 24V
Inputs Eight isolated channels - any combination of voltage or current mode
Power dissipation Voltage mode: 5.4 W (18.4 BTU/hr), Current mode with 250 Ω loads: 5.4 W (18.4 BTU/hr), Current mode with 500 Ω loads: 5.8 W (19.8 BTU/hr), Current mode with 750 Ω loads: 6.5 W (22.2 BTU/hr), Current mode with 1000 Ω loads: 6.7 W (22.9 BTU/hr)
Resolution 16 bit, ±10.5V (0.32 mV/count), 0...10.5V (0.16 mV/count), 0...5.25V (0.08 mV/count), 0...21 mA (0.32 µA/count)
Wire size 0.33...2.1 mm² (22...14 AWG) solid or stranded shielded copper wire, rated at 90 °C (194 °F) or greater, 1.2 mm (3/64 in.) insulation maximum
Calibrated accuracy 0.05% @ 25°C (77 °F)
Suitable for safety functions False
Output impedance 46 Ω (Current output)
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 ±4kV @ 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 ±2 kV line-earth (CM) on shielded signal ports
Operating temperature 0 to 60 °C
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
Isolation voltage 250V (continuous), reinforced insulation type, outputs to backplane, 250V (continuous), basic insulation type, output to output
IEC temperature code T4
Enclosure type rating None (open-style)
Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DXF)
Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DXF)
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Type Resource Publication
General Product Profile --
General Product Cutsheet --
General Technical Detail --
Technical Data 1756-td002_-en-e 1756-TD002
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
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Available Downloads
  • Firmware for 1756-OF8I v4.012
See All Downloads Chevron RightChevron Right
China CCC Australian RCM Korean KC IECEx Scheme ATEX
  • China CCC
  • Safety
  • Australian RCM
  • Korean KC
  • IECEx Scheme
  • ATEX
  • American Bureau of Shippin

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.

Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
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Technical Specifications
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
Output range -10…10V, 0…10V, 0…5V, 0…20 Ma
Module keying Electronic, software configurable
Module error over full temperature range 0.1 %
Module conversion method R-Ladder DAC, monotonicity with no missing codes
Open circuit detection Current output = Yes
Drive capability Current output = 0...1000 Ω, Voltage output =>1000 Ω
Short circuit detection Voltage output = Yes
Data format IEEE 32-bit floating point
Wire category 2 - on signal ports
Overvoltage protection ±30V DC (voltage/current)
Settling time <2 ms to 95% of final value with resistive loads
Total backplane power Voltage mode = 6.3 W, Current mode with 250 Ω loads = 6.3 W, Current mode with 500 Ω loads = 7.6 W, Current mode with 750 Ω loads = 9.2 W, Current mode with 1000 Ω loads = 10.2 W
Module scan time 1 ms minimum
Thermal dissipation Voltage mode = 18.4 BTU/hr, Current mode with 250 Ω loads = 18.4 BTU/hr, Current mode with 500 Ω loads = 19.8 BTU/hr, Current mode with 750 Ω loads = 22.2 BTU/hr, Current mode with 1000 Ω loads = 22.9 BTU/hr
Current draw 200mA @ 5.1V, Voltage or current mode with 250 Ω loads = 220mA @ 24V, Current mode with 500 Ω loads = 275mA @ 24V, Current mode with 750 Ω loads = 340mA @ 24V, Current mode with 1000 Ω loads = 385mA @ 24V
Inputs Eight isolated channels - any combination of voltage or current mode
Power dissipation Voltage mode: 5.4 W (18.4 BTU/hr), Current mode with 250 Ω loads: 5.4 W (18.4 BTU/hr), Current mode with 500 Ω loads: 5.8 W (19.8 BTU/hr), Current mode with 750 Ω loads: 6.5 W (22.2 BTU/hr), Current mode with 1000 Ω loads: 6.7 W (22.9 BTU/hr)
Resolution 16 bit, ±10.5V (0.32 mV/count), 0...10.5V (0.16 mV/count), 0...5.25V (0.08 mV/count), 0...21 mA (0.32 µA/count)
Wire size 0.33...2.1 mm² (22...14 AWG) solid or stranded shielded copper wire, rated at 90 °C (194 °F) or greater, 1.2 mm (3/64 in.) insulation maximum
Calibrated accuracy 0.05% @ 25°C (77 °F)
Suitable for safety functions False
Output impedance 46 Ω (Current output)
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 ±4kV @ 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 ±2 kV line-earth (CM) on shielded signal ports
Operating temperature 0 to 60 °C
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
Isolation voltage 250V (continuous), reinforced insulation type, outputs to backplane, 250V (continuous), basic insulation type, output to output
IEC temperature code T4
Enclosure type rating None (open-style)
Drawings
Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DXF)
Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DXF)
Sign in to your Rockwell Automation account to view and download technical drawings.
Sign In
Documents
Product Profile General
--
Product Cutsheet General
--
Technical Detail General
--
1756-td002_-en-e Technical Data
1756-TD002
Type Resource Publication
General Product Profile --
General Product Cutsheet --
General Technical Detail --
Technical Data 1756-td002_-en-e 1756-TD002
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 Chevron RightChevron Right Search the Literature Library Chevron RightChevron Right
Downloads
Available Downloads
  • Firmware for 1756-OF8I v4.012
See All Downloads Chevron RightChevron Right
Certifications
China CCC Australian RCM Korean KC IECEx Scheme ATEX
  • China CCC
  • Safety
  • Australian RCM
  • Korean KC
  • IECEx Scheme
  • ATEX
  • American Bureau of Shippin

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.

Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase Chevron RightChevron Right
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