Product Specification – X20DM9324

1. General Information

• Manufacturer: B&R Industrial Automation (ABB Group)

• Part Number: X20DM9324

• Product Type: Mixed Digital I/O Module (Input/Output)

• Product Series: X20 System

• Product Status: Active (Mass Production)

• Protection Class: IP20

• Module Width: 12.5 mm

• Country of Origin: Austria

• Supply Voltage: 24 VDC (-15% / +20%)

2. Product Overview

3. Technical Specifications

3.1 Digital Inputs

• Number of Inputs: 16 channels

• Input Type: Sink (NPN), 1-wire connection

• Nominal Input Voltage: 24 VDC

• Input Voltage Range: 20.4 VDC ~ 28.8 VDC

• Input Characteristics: IEC 61131-2 Type 1

• Input Current: Typ. 3.75 mA @ 24 VDC

• Input Resistance: Typ. 6.4 kΩ

• Switching Thresholds:

  • Low: < 5 VDC

  • High: > 15 VDC

• Input Filtering:

  • Hardware Filter: ≤ 100 μs (fixed)

  • Software Filter: Configurable 0 ~ 25 ms

3.2 Digital Outputs

• Number of Outputs: 8 channels

• Output Type: Source (PNP), transistor switching

• Nominal Output Voltage: 24 VDC

• Output Current:

  • Per Channel: Max. 0.5 A (continuous)

  • Total Module: Max. 2 A (cumulative)

• Output Voltage Drop: < 1.0 V @ 0.5 A load

• Output Protection:

  • Short-circuit protection (current-limited)

  • Overload protection

  • Reverse polarity protection

• Switching Frequency: Max. 100 Hz

3.3 Electrical Characteristics

• System Supply: 24 VDC via X20 backplane

• Power Consumption:

  • Bus: 0.25 W

  • Internal I/O: Typ. 2.0 W

• Isolation: 500 Veff (field-side vs. system bus)

• Channel-to-Channel Isolation: None

• Wiring: Shielded cables recommended for signal lines

3.4 Mechanical & Environmental

• Mounting: Standard 35 mm DIN rail, hot-swap capable

• Operating Temperature:

  • Horizontal: -25 °C ~ +60 °C

  • Vertical: -25 °C ~ +50 °C

• Storage Temperature: -40 °C ~ +85 °C

• Relative Humidity: 5% ~ 95%, non-condensing

• Vibration/Shock Resistance: Compliant with IEC 60068 (industrial rating)

• Installation Altitude: 0 ~ 2000 m (no derating)

3.5 Diagnostics & Status

• Status Indicators:

  • 1 × Module status LED (run/error)

  • 16 × Input channel LEDs

  • 8 × Output channel LEDs

• Diagnostics: Comprehensive module, input, and output diagnostics via software

• Output Monitoring: Overload/short-circuit detection per channel

4. Key Features

• Mixed I/O Design: 16 digital inputs + 8 digital outputs in 12.5 mm width

• High-Density Configuration: Maximizes I/O points per cabinet space

• 24 VDC Signal Compatibility: Matches standard industrial sensor/actuator voltages

• Dual-Level Input Filtering: Fixed hardware + configurable software filters for noise immunity

• Protected Outputs: Short-circuit, overload, and reverse polarity protection

• Galvanic Isolation: 500 V isolation between field and system bus

• Hot-Swap Capable: Allows replacement without powering down the system

• Industrial Robustness: Wide temperature range and EMC compliance

• Full X20 Compatibility: Seamless integration with all X20 CPUs and base modules

• LED Diagnostics: Clear visual status for module and all I/O channels

5. Typical Applications

• General-purpose digital I/O expansion in PLC control systems

• Machine automation and equipment control

• Conveyor systems and material handling

• Packaging, printing, and assembly machinery

• Applications requiring mixed input/output signals

• High-density I/O configurations in space-constrained cabinets

• Industrial automation with standard 24 VDC sensors and actuators

6. Compatibility & Ordering

• Compatible with: All X20 CPU and bus modules (X20BM11, X20BM15, etc.)

• Required Accessories:

  • Terminal Block: X20TB12 (24-pin, ordered separately)

  • Bus Module: X20BM11 (required for backplane connection)

• Configuration Software: B&R Automation Studio (all supported versions)

• Order Code: X20DM9324

• Coated Variant: X20cDM9324 (for harsh/humid environments)