Allen-Bradley 1756-IF8I/A ControlLogix 8 Point Analog Input

Manufacturer: Allen-Bradley
Product No.: 1756-IF8I/A
Condition:1000 in stock
Product Type: ControlLogix 8 Point Analog Input
Product Origin: USA
Payment: T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

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Product Overview

The Allen-Bradley 1756-IF8I/A is a ControlLogix 8-Point Analog Input Module designed for high-precision industrial automation applications.

Technical Specifications

Input Configuration

Channels: 8 isolated channels (voltage or current mode)
Voltage Input Range: -10V to +10V, 0V to 10V, 0V to 5V
Current Input Range: 0 mA to 20 mA
Resolution: 24-bit

Electrical Ratings

Attribute	Value
Backplane Power Draw	5.1V DC @ 200 mA, 24V DC @ 400 mA
Total Backplane Power	4.6 W (Voltage/Non-sourcing Current mode), 10.6 W (Sourcing Current mode)
Power Dissipation	4.6 W (Voltage mode), 5.1 W (Non-sourcing Current mode), 7.3 W (Sourcing Current mode)
Thermal Dissipation	15.7 BTU/hr (Voltage mode), 17.4 BTU/hr (Non-sourcing Current mode), 24.9 BTU/hr (Sourcing Current mode)

Input Performance

Attribute	Value
Input Impedance	1 GΩ (Voltage mode, powered), 7500 Ω (unpowered), 125 Ω (Current mode)
Sourcing Voltage	Min: 20V DC, Max: 36V DC
Sourcing Current	Max: < 45 mA (Current limited)
Overvoltage Protection	±30V DC
Noise Rejection	80 dB @ 60 Hz (Normal mode), 120 dB @ 50/60 Hz (Common mode)
Data Format	IEEE 32-bit floating point

Environmental Ratings

Attribute	Value
Operating Temperature	0…60°C (32…140°F)
Storage Temperature	-40…+85°C (-40…+185°F)
Relative Humidity	5%–95% non-condensing
Vibration Resistance	2g @ 10–500Hz
Shock Resistance (Operating)	30g
Shock Resistance (Non-Operating)	50g

EMC and Immunity

ESD Immunity: 6kV contact discharges, 8kV air discharges
Radiated RF Immunity:
- 10V/m @ 80–2000MHz (1 kHz sine-wave 80% AM)
- 10V/m @ 900MHz & 1890MHz (200Hz 50% Pulse 100% AM)
- 3V/m @ 2000–2700MHz (1 kHz sine-wave 80% AM)
EFT/B Immunity: ±4kV at 5kHz on shielded signal ports
Surge Immunity: ±2kV line-earth (CM) on shielded signal ports
Conducted RF Immunity: 10V rms @ 150kHz–80MHz

Additional Features

Onboard Data Alarming: Yes
Real-time Channel Sampling: Yes
Module Conversion Method: Sigma-Delta
Isolation Voltage: 250V (reinforced insulation type, inputs to backplane)
Removable Terminal Block: 1756-TBCH, 1756-TBS6H
Enclosure Type: None (open-style)

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