Skip to product information
1 of 5

ALLEN BRADLEY 1756-IF8I ControlLogix Isolated Analog Input Module

ALLEN BRADLEY 1756-IF8I ControlLogix Isolated Analog Input Module

  • Manufacturer: ALLEN BRADLEY

  • Product No.: 1756-IF8I

  • Condition:1000 in stock

  • Product Type: ControlLogix Isolated Analog Input Module

  • Product Origin: USA

  • Payment: T/T, Western Union

  • Weight: 1000g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • 24/7 Support
  • 30-Day Returns
  • Fast Shipping

Product Overview

Parameter Details
Part Number 1756-IF8I
Product Name ControlLogix Isolated Analog Input Module
Application Analog input processing for industrial automation
Compatibility Compatible with ControlLogix chassis
Function Converts analog signals to digital values with isolated channels for ControlLogix controllers

Functional Specifications

Parameter Details
Input Channels 8 isolated analog inputs (voltage, current, or current sourcing for 2-wire transmitters)
Input Types Voltage or current
Input Voltage Range -10 V to +10 V, 0–10 V, 0–5 V
Input Current Range 0–20 mA, 4–20 mA
Resolution 24 bits (±10.5 V: 1.49 µV/count, 0–10.5 V: 1.49 µV/count, 0–5.25 V: 1.49 µV/count, 0–21 mA: 2.99 nA/count)
Input Impedance Voltage: ~1 GΩ (powered), ~7.5 kΩ (unpowered); Current: ~125 Ω
Data Format Integer or floating-point
Conversion Method Sigma-Delta
Update Time Configurable, 2–100 ms (depending on filter settings)
Common Mode Rejection >80 dB at 60 Hz
Normal Mode Rejection >100 dB at 60 Hz (with 10 Hz filter)
Accuracy ±0.1% of full scale at 25°C
Calibration Factory calibrated, user calibration supported
Power Dissipation Voltage/Non-sourcing current: 4.6 W; Sourcing current: 7.3 W
Thermal Dissipation Voltage: 15.7 BTU/hr; Non-sourcing current: 17.4 BTU/hr; Sourcing current: 24.9 BTU/hr
Backplane Current Load 200 mA @ 5.1 V DC, 150 mA (voltage/non-sourcing) or 400 mA (sourcing) @ 24 V DC
Isolation 250 V (continuous), reinforced insulation type, inputs to backplane; 250 V, basic insulation type, input to input
Terminal Connections 36-pin removable terminal block (RTB), 1756-TBCH or 1756-TBS6H
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 insulation maximum
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -40°C to 85°C (-40°F to 185°F)
Humidity 5% to 95% (non-condensing)
Vibration Tolerance 2 G @ 10–500 Hz
Shock Tolerance 30 G (operating), 50 G (non-operating)
Dimensions 145 mm x 35 mm x 140 mm (5.71 in x 1.38 in x 5.51 in)
Weight 0.4 kg (0.88 lb)
Standards Compliance CE, UL, CSA (Class I, Div 2, Groups A, B, C, D), FM, RCM
Certifications TUV certified for functional safety (SIL 2)


View full details

Product Description

Product Overview

Parameter Details
Part Number 1756-IF8I
Product Name ControlLogix Isolated Analog Input Module
Application Analog input processing for industrial automation
Compatibility Compatible with ControlLogix chassis
Function Converts analog signals to digital values with isolated channels for ControlLogix controllers

Functional Specifications

Parameter Details
Input Channels 8 isolated analog inputs (voltage, current, or current sourcing for 2-wire transmitters)
Input Types Voltage or current
Input Voltage Range -10 V to +10 V, 0–10 V, 0–5 V
Input Current Range 0–20 mA, 4–20 mA
Resolution 24 bits (±10.5 V: 1.49 µV/count, 0–10.5 V: 1.49 µV/count, 0–5.25 V: 1.49 µV/count, 0–21 mA: 2.99 nA/count)
Input Impedance Voltage: ~1 GΩ (powered), ~7.5 kΩ (unpowered); Current: ~125 Ω
Data Format Integer or floating-point
Conversion Method Sigma-Delta
Update Time Configurable, 2–100 ms (depending on filter settings)
Common Mode Rejection >80 dB at 60 Hz
Normal Mode Rejection >100 dB at 60 Hz (with 10 Hz filter)
Accuracy ±0.1% of full scale at 25°C
Calibration Factory calibrated, user calibration supported
Power Dissipation Voltage/Non-sourcing current: 4.6 W; Sourcing current: 7.3 W
Thermal Dissipation Voltage: 15.7 BTU/hr; Non-sourcing current: 17.4 BTU/hr; Sourcing current: 24.9 BTU/hr
Backplane Current Load 200 mA @ 5.1 V DC, 150 mA (voltage/non-sourcing) or 400 mA (sourcing) @ 24 V DC
Isolation 250 V (continuous), reinforced insulation type, inputs to backplane; 250 V, basic insulation type, input to input
Terminal Connections 36-pin removable terminal block (RTB), 1756-TBCH or 1756-TBS6H
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 insulation maximum
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -40°C to 85°C (-40°F to 185°F)
Humidity 5% to 95% (non-condensing)
Vibration Tolerance 2 G @ 10–500 Hz
Shock Tolerance 30 G (operating), 50 G (non-operating)
Dimensions 145 mm x 35 mm x 140 mm (5.71 in x 1.38 in x 5.51 in)
Weight 0.4 kg (0.88 lb)
Standards Compliance CE, UL, CSA (Class I, Div 2, Groups A, B, C, D), FM, RCM
Certifications TUV certified for functional safety (SIL 2)


Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)