General Information
Manufacturer: B&R Industrial Automation (ABB Group)

Series: X20 System (Modular I/O Platform)

Model: X20AI1744

Type: 4-Channel Analog Input Module

Signal Type: ±10V, 0-10V, 0/4-20mA (per-channel configurable)

Electrical Parameters
Analog Input Specifications
Channels: 4 (individually isolated)

Input Ranges:

Voltage: ±10V, 0-10V (16-bit resolution)

Current: 0-20mA, 4-20mA (with wire-break detection)

Resolution: 16-bit (including sign for bipolar ranges)

Accuracy: ±0.1% of full scale (@ 25°C)

Sampling Rate: Up to 10kHz (aggregate)

Input Impedance:

Voltage Mode: >1MΩ

Current Mode: 250Ω (internal shunt)

Isolation & Protection
Channel-to-Channel Isolation: 500V

Channel-to-System Isolation: 500V

Overvoltage Protection: ±35V continuous

Reverse Polarity Protection: Yes

Mechanical & Environmental
Dimensions (W×H×D): 30mm × 100mm × 70mm (standard X20 width)

Mounting: DIN rail (EN 60715)

Weight: ~160g

Protection Class: IP20 (control cabinet use)

Operating Temperature: 0°C to +60°C

Storage Temperature: -40°C to +85°C

Humidity: 5–95% (non-condensing)

EMC: EN 61000-6-2/4

Diagnostics & Indicators
Per-Channel LEDs:

Green: Signal within range

Red: Overrange/wire break (4-20mA mode)

Module Status LED:

Power/Communication (bi-color)

Configuration & Compatibility
Software: B&R Automation Studio

Individual channel range selection

Digital filtering (configurable)

Scaling/engineering unit conversion

Hot-Swappable: Yes

Compatible With: All X20 bus controllers

Typical Applications
Process variable monitoring (pressure, temperature)

Motor control feedback systems

Test & measurement equipment

Note: For inductive environments, use shielded twisted-pair cables.