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Allen Bradley
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1756-IF8I

ControlLogix 8 Point Analog Input

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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
Channel bandwidth Notch Filter configuration dependent
Module keying Electronic, software configurable
Module error over full temperature range 0.1 %
Module conversion method Sigma-Delta
Input range -10...10V, 0…10V @ 0...5V, 0...20 mA
Data format IEEE 32-bit floating point
Wire category 2 - on signal ports
Overvoltage protection ±30V DC maximum
Common mode noise rejection 120 dB @ 50/60 Hz
Normal mode noise rejection 80 dB @ 60 Hz
Module input scan time, min 1 ms
Voltage and current ratings Backplane: 5.1V DC 200mA @ 24V DC 400 mA, Input voltage: -10V to +10V @ 0V to 10V @ 0V to 5V, Input current: 0 mA to 20 mA, Output current: 0 mA to 20 mA
Settling time Notch Filter configuration dependent
Total backplane power Voltage/Non-sourcing current mode: 4.6 W, Sourcing current mode: 10.6 W
Thermal dissipation Voltage mode: 15.7 BTU/hr, Non-sourcing current mode: 17.4 BTU/hr, Sourcing current mode: 24.9 BTU/hr
Current draw 200mA @ 5.1V, Voltage/Non-sourcing current mode: 150mA @ 24V, Sourcing current mode: 400mA @ 24V (In sourcing current mode, the channel provides loop power.)
Inputs Eight isolated channels - any combination of voltage or current mode
Power dissipation Voltage mode: 4.6 W (15.7 BTU/hr), Non-sourcing current mode: 5.1 W (17.4 BTU/hr), Sourcing current mode: 7.3 W (24.9 BTU/hr)
Resolution 24 bit, ±10.5V (1.49 µV/count), 0...10.5V (1.49 µV/count), 0...5.25V (1.49 µV/count), 0...21 mA (2.99 nA/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)
Open circuit detection time 5 s
Suitable for safety functions False
Onboard data alarming True
Scaling to engineering units True
Real-time channel sampling True
Sourcing voltage, min 20V DC
Sourcing voltage, max 36V DC (open circuit)
Sourcing current, max Current limited <45 mA (IN_x/I/SRC to RTN_x)
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 shielded signal ports
Relative humidity 5...95% noncondensing
Conducted RF immunity 10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHz on shielded signal ports
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
Input impedance Voltage mode: 1 GΩ approximately (powered), Voltage mode: 7500 Ω approximately (unpowered), Current mode: 125 Ω approximately
Isolation voltage 250V (continuous), reinforced insulation type, inputs to backplane, 250V (continuous), basic insulation type, input to input
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 Cutsheet --
General Technical Detail --
General Product Profile --
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-IF8I v3.012
See All Downloads Chevron RightChevron Right
China CCC Australian RCM Korean KC ATEX IECEx Scheme
  • China CCC
  • Safety
  • Australian RCM
  • Korean KC
  • ATEX
  • IECEx Scheme
  • American Bureau of Shippin
  • MOROCCO 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.

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
Channel bandwidth Notch Filter configuration dependent
Module keying Electronic, software configurable
Module error over full temperature range 0.1 %
Module conversion method Sigma-Delta
Input range -10...10V, 0…10V @ 0...5V, 0...20 mA
Data format IEEE 32-bit floating point
Wire category 2 - on signal ports
Overvoltage protection ±30V DC maximum
Common mode noise rejection 120 dB @ 50/60 Hz
Normal mode noise rejection 80 dB @ 60 Hz
Module input scan time, min 1 ms
Voltage and current ratings Backplane: 5.1V DC 200mA @ 24V DC 400 mA, Input voltage: -10V to +10V @ 0V to 10V @ 0V to 5V, Input current: 0 mA to 20 mA, Output current: 0 mA to 20 mA
Settling time Notch Filter configuration dependent
Total backplane power Voltage/Non-sourcing current mode: 4.6 W, Sourcing current mode: 10.6 W
Thermal dissipation Voltage mode: 15.7 BTU/hr, Non-sourcing current mode: 17.4 BTU/hr, Sourcing current mode: 24.9 BTU/hr
Current draw 200mA @ 5.1V, Voltage/Non-sourcing current mode: 150mA @ 24V, Sourcing current mode: 400mA @ 24V (In sourcing current mode, the channel provides loop power.)
Inputs Eight isolated channels - any combination of voltage or current mode
Power dissipation Voltage mode: 4.6 W (15.7 BTU/hr), Non-sourcing current mode: 5.1 W (17.4 BTU/hr), Sourcing current mode: 7.3 W (24.9 BTU/hr)
Resolution 24 bit, ±10.5V (1.49 µV/count), 0...10.5V (1.49 µV/count), 0...5.25V (1.49 µV/count), 0...21 mA (2.99 nA/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)
Open circuit detection time 5 s
Suitable for safety functions False
Onboard data alarming True
Scaling to engineering units True
Real-time channel sampling True
Sourcing voltage, min 20V DC
Sourcing voltage, max 36V DC (open circuit)
Sourcing current, max Current limited <45 mA (IN_x/I/SRC to RTN_x)
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 shielded signal ports
Relative humidity 5...95% noncondensing
Conducted RF immunity 10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHz on shielded signal ports
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
Input impedance Voltage mode: 1 GΩ approximately (powered), Voltage mode: 7500 Ω approximately (unpowered), Current mode: 125 Ω approximately
Isolation voltage 250V (continuous), reinforced insulation type, inputs to backplane, 250V (continuous), basic insulation type, input to input
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 Cutsheet General
--
Technical Detail General
--
Product Profile General
--
1756-td002_-en-e Technical Data
1756-TD002
Type Resource Publication
General Product Cutsheet --
General Technical Detail --
General Product Profile --
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-IF8I v3.012
See All Downloads Chevron RightChevron Right
Certifications
China CCC Australian RCM Korean KC ATEX IECEx Scheme
  • China CCC
  • Safety
  • Australian RCM
  • Korean KC
  • ATEX
  • IECEx Scheme
  • American Bureau of Shippin
  • MOROCCO 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.

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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