Product Description: DI426 (2DI426.6 / 7DI426) Digital Input Module

1. General Description

2. Key Features

• High-Density Inputs: Available in 16 or 32 channel configurations (model-dependent), maximizing I/O points in minimal space.

• Flexible Input Type: Supports both sink (NPN) and source (PNP) 24 VDC input wiring, adaptable to various field devices.

• Fast Response Time: Typical input delay of < 1 ms, ensuring real-time signal capture.

• Galvanic Isolation: Input channels grouped into 8 electrically isolated groups, protecting against ground loops and electrical interference.

• Built-in Signal Filtering: Hardware and software configurable filtering to eliminate contact bounce and electrical noise.

• Diagnostic Indicators: Individual LED status indicators per channel for quick visual monitoring of signal state and faults.

• Industrial Robustness: IP20 protection rating, designed for continuous operation in demanding conditions.

• Hot-Swappable: Supports safe installation/replacement under power (system-dependent).

• Easy Integration: Seamless compatibility with B&R controllers via X2X Link or fieldbus communication.

• Certifications: CE, cULus, EAC, UKCA certified for global market compliance.

3. Technical Specifications

Input & Signal Data

• Number of Inputs: 32 channels (Model 2DI426.6) / 16 channels (Model 7DI426)

• Input Voltage: Nominal 24 VDC (Operating range: 10–30 VDC)

• Input Type: Configurable sink/source (NPN/PNP)

• Input Current: Approx. 7–10 mA per channel at 24 VDC

• Input Resistance: 4 kΩ

• Isolation Voltage: 500 VDC (channel-to-bus, channel-to-channel)

• Response Time: < 1 ms

• Input Filter: User-configurable (hardware/software)

• Voltage Thresholds:

  • Logic HIGH (ON): ≥ 15 VDC

  • Logic LOW (OFF): ≤ 5 VDC

Electrical Data

• Supply Voltage: 24 VDC (±10%)

• Power Consumption: Max. 4 W (typical: 0.88–1.5 W)

• Overvoltage Protection: Surge protection up to 500 V (transient, <50µs)

Mechanical Data

• Dimensions: Standard Compact I/O form factor

• Weight: Approx. 0.3–0.5 kg

• Connection: Screw terminals or push-in terminal blocks

• Mounting: DIN-rail mounting

• Protection Rating: IP20 (front face)

Environmental Data

• Operating Temperature: -25°C to +70°C

• Storage Temperature: -40°C to +85°C

• Relative Humidity: 5–95% RH, non-condensing

• Vibration Resistance: IEC 60068-2-6 (10–500 Hz, 1 g)

• Shock Resistance: IEC 60068-2-27 (15 g, 11 ms)

• Pollution Degree: 2

• Overvoltage Category: II

Safety & Certifications

• Protection Features: Galvanic isolation, reverse polarity protection, surge suppression

• Safety Standards: EN 61010, EN 61131-2

• Certifications: CE, cULus (Class I, Division 2), EAC, UKCA

4. Typical Applications

• Manufacturing & Machinery: Limit switches, proximity sensors, emergency stop buttons, position encoders.

• Material Handling: Conveyor line status, palletizers, sorting systems.

• Packaging Equipment: Bottle/can presence detection, safety door interlocks.

• Process Automation: Valve position feedback, pump/motor run status.

• Food & Beverage: Level sensors, fill level detection, equipment interlocks.

• Pharmaceuticals: Cleanroom door status, sterile environment monitoring.

• Building Automation: HVAC status, access control, lighting control.

• Hazardous Locations: Class I, Division 2 certified environments.

5. Configuration & Integration

• Software Configuration: Fully configurable via B&R Automation Studio™; set input type, filter parameters, and diagnostic functions.

• Status Indicators:

  • Green LED: Channel ON (active signal).

  • Red LED: Module fault or diagnostic alert.

• Bus Interface: Communicates with B&R control systems via X2X Link or standard fieldbuses.

• System Compatibility: Fully compatible with B&R X20, 2000, and Compact I/O system architectures.

6. Ordering Information

• Common Part Numbers:

  • 2DI426.6: 32-channel digital input module, 24 VDC, sink/source.

  • 7DI426: 16-channel digital input module, 24 VDC.

• Standard Package: 1 x DI426 digital input module.

• Warranty: Standard 1-year manufacturer warranty