Allen-Bradley 1756-IF8 Analog Input Module

Allen-Bradley 1756-IF8 ControlLogix Analog Input Module

Key Technical Specifications

• Brand: Allen-Bradley
• Model: 1756-IF8
• Input Channels: 8 configurable voltage/current points
• Resolution: 15-16 bits depending on signal type
• Input Signals: ±10VDC, 0-10VDC, 0-5VDC, 0-20mA
• Data Formats: IEEE 32-bit floating point or 16-bit integer
• Backplane Current: 150 mA at 5V, 40 mA at 24V
• Terminal Blocks: 1756-TBCH or 1756-TBS6H

Input Signal Ranges & Resolution

• ±10.25V range: 320 µV/count (15 bits plus sign)
• 0-10.25V range: 160 µV/count (16 bits)
• 0-5.125V range: 80 µV/count (16 bits)
• 0-20.5mA range: 0.32 µA/count (16 bits)
• Conversion method: Sigma-Delta

Wiring Configuration Options

• Single-ended wiring: 8 channels available
• Differential wiring: 4 channels available
• High-speed differential: 2 channels available
• Scan time: 5-488 ms (varies by wiring method)
• Maximum overvoltage protection: 30V DC

Advanced Features

• Real-time sampling for accurate data acquisition
• Digital filtering for noise reduction
• Process alarms with user-configurable limits
• Under-range and over-range detection
• Wire-off detection for broken wire identification
• Rate alarms for rapid signal change monitoring

Performance Specifications

• Power dissipation: 1.73W (voltage mode), 2.33W (current mode)
• Module scan time: 5-488 ms (configurable)
• Input impedance: High impedance for voltage inputs
• Maximum signal types: Voltage and current on same module
• Channel configuration: Individual per channel

Installation & Compatibility

• Fits any ControlLogix chassis slot
• Supports local and remote I/O configurations
• Configurable via Studio 5000 programming software
• Removable terminal blocks for easy maintenance
• Mechanical keying for proper module identification

Packaging & Shipping

• Product includes one 1756-IF8 module
• Industrial protective packaging ensures safe delivery
• Orders processed within 5 business days
• Worldwide shipping via FedEx, UPS, or DHL
• Express and standard shipping options available

Frequently Asked Questions

• What is the condition of the module?
  All units are brand new and original Allen-Bradley equipment.
• How many input channels are available?
  The 1756-IF8 provides 8 configurable analog input channels.
• What signal types does it support?
  It supports ±10V, 0-10V, 0-5V voltage signals and 0-20mA current signals.
• What is the resolution for current inputs?
  Current inputs offer 16-bit resolution with 0.32 µA per count.
• Which wiring methods are supported?
  Single-ended, differential, and high-speed differential wiring.
• What is your shipping time?
  We process and ship all orders within five business days.
• Do you offer technical support?
  Yes, we provide technical support for all our products.

For pricing and technical specifications, contact: sales@nex-auto.com