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ControlLogix 4 Point Analog Comb Module

Catalog #: 1756-IF4FXOF2F

Lifecycle status: Active

Output Signal	+/- 10.4V, 0-21mA

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	±10V, 0…20 mA
Terminal block torque specifications	1756-TBCH: 0.5 Nm (4.4 in-lb)
Input conversion method	Successive approximation
Module keying	Electronic, software configurable
Offset drift	50 µV/°C, 1 µV/°C
Output conversion method	R-Ladder DAC, monotonicity with no missing codes
Drive capability	Voltage: >2000 Ω, Current: 0...750 Ω
Input range	±10V @ 0...10V, 0...5V @ 0...20mA
Data format	Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Wire category	2 - on signal ports
Overvoltage protection	Voltage: 30V DC, input, Current: 8V AC/DC, input, Output: 24V DC
Module error	Input: 0.2% of range, Voltage: 0.2% of range, output, Current: 0.3% of range, output
Gain drift with temperature	Voltage: 25 ppm/°C maximum, input, Current: 35 ppm/°C maximum, input, Voltage: 25 ppm/°C maximum, output, Current: 50 ppm/°C maximum, output
Voltage and current ratings	Backplane: 375mA @ 5.1V DC, 100mA @ 24V DC, Analog inputs: -10...+10V @ 4...20mA, Analog outputs: -10...+10V @ 4...20mA
Module scan time	300 µs minimum
Thermal dissipation	Voltage: 14.66 BTU/hr, Current: 16.02 BTU/hr
Current draw	375mA @ 5.1V, 100mA @ 24V
Power dissipation	Voltage: 4.3 W, Current: 4.7 W
Resolution	Input: Approx 14 bit across ±10.5V DC (21V total), ±10.5V range: 1.3 mV/bit, 14 bit effective, 0...10.5V range: 1.3 mV/bit, 13 bit effective, 0...5.25V range: 1.3 mV/bit, 12 bit effective, Approx 12 bit across 21mA @ 0...21mA range: 5.25 µA/bit, Output
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
Calibrated accuracy	Input: 0.05% of range immediately after calibration Better than 0.1% of range within calibration interval @ 25 °C (77 °F), Output: 0.05% of range immediately after calibration Better than 0.1% of range within calibration interval @ 25 °C (77 °F)
Open circuit detection time	Input: Positive full-scale reading within 1 s, Output: Current output only (output must be set to >0.1 mA)
Suitable for safety functions	False
Update period for all channels (RPI), min	1 ms
Number, output	2 high-speed voltage or current
Number, input	4 high-speed, subms, differential
Short circuit protection	Electronically current limited to 21 mA or less
Output settling time	<2 ms to 95% of final value with resistive loads

Surrounding air temperature, max	60 °C
North American temperature code	T4A
Power consumption	4.3 W
Emissions	IEC 61000-6-4
ESD immunity	6 kV contact discharges, 8 kV air discharges
EFT/B immunity	±2kV @ 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 °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, 3 V/m with 1 kHz sine-wave 80% AM from 2700...6
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 None

Calibration interval	Input: 12 mo, Output: 12 mo
ATEX temperature code	T4
IECEx temperature code	T4

Repeatability	±1 least significant bit (LSB)

Input impedance	Voltage: >1 MΩ, Current: 249 Ω

Isolation voltage	250V (continuous), Reinforced insulation type, inputs and outputs to backplane, No isolation between individual inputs or outputs

Enclosure type rating	None (open-style)

Sales Info

Repairable	REPAIRABLE
Preferred Availability	true
Quick Turnaround	false
Dimension Height	5.398
Lead Time	5
Dimension Width	23.495
Dimension Length	18.415
Stock Status	STOCKED
Weight	0.329
Weight Unit	KG
Dimension Unit	CM

Available Downloads

Firmware for 1756-IF4FXOF2F Analog I/O
EDS files for 1756-IF4FXOF2F
EDS files for 1756-IF4FXOF2F (multi)
EDS files for ControlLogix Family (multi)
AOP - Add On Profiles for 1756 Analog I/O v40.12.23
AOP - Add On Profiles for 1756-IF8, IF16, OF4, OF8 v40.13.06
AOP - Add On Profiles for 1756 Analog1 v40.14.70

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Drawings
3-Dimensional STEP model (STP)	Download (ZIP)
Product Drawing	Drawing (DXF)
Product Drawing	Drawing (DWG)
Product Drawing	Drawing (DWG)
Product Drawing	Drawing (DWG)

Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DXF)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)

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

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China CCC
CE
ATEX
IECEx Scheme
Australian RCM

This product was certified with the above certifications as of 2024-11-22. 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

Output Signal	+/- 10.4V, 0-21mA

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	±10V, 0…20 mA
Terminal block torque specifications	1756-TBCH: 0.5 Nm (4.4 in-lb)
Input conversion method	Successive approximation
Module keying	Electronic, software configurable
Offset drift	50 µV/°C, 1 µV/°C
Output conversion method	R-Ladder DAC, monotonicity with no missing codes
Drive capability	Voltage: >2000 Ω, Current: 0...750 Ω
Input range	±10V @ 0...10V, 0...5V @ 0...20mA
Data format	Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Wire category	2 - on signal ports
Overvoltage protection	Voltage: 30V DC, input, Current: 8V AC/DC, input, Output: 24V DC
Module error	Input: 0.2% of range, Voltage: 0.2% of range, output, Current: 0.3% of range, output
Gain drift with temperature	Voltage: 25 ppm/°C maximum, input, Current: 35 ppm/°C maximum, input, Voltage: 25 ppm/°C maximum, output, Current: 50 ppm/°C maximum, output
Voltage and current ratings	Backplane: 375mA @ 5.1V DC, 100mA @ 24V DC, Analog inputs: -10...+10V @ 4...20mA, Analog outputs: -10...+10V @ 4...20mA
Module scan time	300 µs minimum
Thermal dissipation	Voltage: 14.66 BTU/hr, Current: 16.02 BTU/hr
Current draw	375mA @ 5.1V, 100mA @ 24V
Power dissipation	Voltage: 4.3 W, Current: 4.7 W
Resolution	Input: Approx 14 bit across ±10.5V DC (21V total), ±10.5V range: 1.3 mV/bit, 14 bit effective, 0...10.5V range: 1.3 mV/bit, 13 bit effective, 0...5.25V range: 1.3 mV/bit, 12 bit effective, Approx 12 bit across 21mA @ 0...21mA range: 5.25 µA/bit, Output
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
Calibrated accuracy	Input: 0.05% of range immediately after calibration Better than 0.1% of range within calibration interval @ 25 °C (77 °F), Output: 0.05% of range immediately after calibration Better than 0.1% of range within calibration interval @ 25 °C (77 °F)
Open circuit detection time	Input: Positive full-scale reading within 1 s, Output: Current output only (output must be set to >0.1 mA)
Suitable for safety functions	False
Update period for all channels (RPI), min	1 ms
Number, output	2 high-speed voltage or current
Number, input	4 high-speed, subms, differential
Short circuit protection	Electronically current limited to 21 mA or less
Output settling time	<2 ms to 95% of final value with resistive loads

Surrounding air temperature, max	60 °C
North American temperature code	T4A
Power consumption	4.3 W
Emissions	IEC 61000-6-4
ESD immunity	6 kV contact discharges, 8 kV air discharges
EFT/B immunity	±2kV @ 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 °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, 3 V/m with 1 kHz sine-wave 80% AM from 2700...6
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 None

Calibration interval	Input: 12 mo, Output: 12 mo
ATEX temperature code	T4
IECEx temperature code	T4

Repeatability	±1 least significant bit (LSB)

Input impedance	Voltage: >1 MΩ, Current: 249 Ω

Isolation voltage	250V (continuous), Reinforced insulation type, inputs and outputs to backplane, No isolation between individual inputs or outputs

Enclosure type rating	None (open-style)

Sales Info

Repairable	REPAIRABLE
Preferred Availability	true
Quick Turnaround	false
Dimension Height	5.398
Lead Time	5
Dimension Width	23.495
Dimension Length	18.415
Stock Status	STOCKED
Weight	0.329
Weight Unit	KG
Dimension Unit	CM

Drawings

Drawings
3-Dimensional STEP model (STP)	Download (ZIP)
Product Drawing	Drawing (DXF)
Product Drawing	Drawing (DWG)
Product Drawing	Drawing (DWG)
Product Drawing	Drawing (DWG)

Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DXF)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)