Product Specification: B&R MDA115-0 Digital Output Module

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: MDA115-0

• Alternative Part Number: MDA1150

• Product Type: 16-Channel Digital Output Module

• Product Series: MULTICONTROL / MINICONTROL Legacy I/O Series

• Certifications: CE Certified

• Product Status: Legacy Industrial I/O Component (Available as New/Refurbished)

2. Core Description

3. Technical Specifications

3.1 Output Interface

• Number of Outputs: 16 independent transistor output channels

• Output Type: DC solid-state transistor (sink/source configuration)

• Nominal Output Voltage: 24 VDC (Logic supply)

• Maximum Current per Channel: 0.5 A (500 mA)

• Total Current per Module: Max. 8 A (combined for all channels)

• Switching Voltage Range: 18 – 30 VDC

• Leakage Current (Off-State): < 1.0 mA per channel

• Voltage Drop (On-State): < 1.5 VDC at rated current

3.2 Electrical & Power Characteristics

• Isolation Voltage: Channel-to-Bus isolation (500 VDC typical)

• Power Consumption (Module): < 2.0 W (from system backplane)

• Backplane Interface: Compatible with B&R MINICONTROL / MULTICONTROL rack backplanes

• Input Power: Derived from system backplane (24 VDC)

3.3 Physical & Environmental Characteristics

• Form Factor: Standard modular rack card for B&R control systems

• Connectors: Screw-type or spring-clamp terminal blocks for field wiring

• Dimensions: Standard B&R legacy I/O module footprint

• Weight: Approx. 0.3 kg (0.66 lbs)

• Operating Temperature: 0°C to +60°C (Industrial standard)

• Storage Temperature: -40°C to +85°C

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

• Vibration Resistance: Conforms to IEC 60068-2-6 (10 – 57 Hz, 1 mm amplitude)

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

• Protection Rating: IP20 (Front face)

3.4 Indicators

• Channel Status LEDs: 16 individual LEDs (one per channel) – Illuminates when output is ON

• Module Status LED: Power/Ready indicator – Shows module is powered and operational

4. Key Features & Benefits

• High Channel Density: 16 outputs in a single module for efficient space utilization in control cabinets.

• Solid-State Reliability: Transistor outputs provide maintenance-free, high-speed switching with no mechanical wear, ideal for high-frequency operations.

• Industrial Robustness: Galvanic isolation between I/O channels and the backplane protects the controller from field-side electrical faults, noise, and voltage spikes.

• Over-Current Protection: Built-in current limiting safeguards the module and connected loads against short circuits and overloads.

• Visual Diagnostics: Individual LED indicators enable quick, on-site troubleshooting of output status and field wiring.

• Wide Load Compatibility: Capable of driving a variety of 24 VDC industrial loads such as relays, solenoid valves, indicator lamps, and small actuators.

• Seamless Integration: Directly compatible with B&R's legacy MC/GE series controllers (e.g., MCGE31-0) and racks, ensuring easy replacement and system upgrades.

5. Typical Applications

• Machine Automation: Controlling solenoid valves, contactors, and indicator lights on production machinery.

• Material Handling Systems: Switching relays for conveyor motors, pneumatic actuators, and sorting mechanisms.

• Process Control Interfaces: Driving external relay coils for isolating PLC signals from high-power field circuits.

• Legacy System Maintenance: Direct replacement for worn or failed output modules in existing B&R MINICONTROL / MULTICONTROL installations.

• Test & Measurement Equipment: Switching signals and small loads in automated test stands.

6. Compatibility

• Compatible Controllers: B&R MINICONTROL (MC/GE series, e.g., MCGE31-0) and MULTICONTROL platforms.

• Compatible Racks: Standard B&R legacy I/O racks and backplanes.

• Wiring: Compatible with 24 VDC sensor/actuator cabling (0.5 – 1.5 mm² wire size).

7. Reliability & Support

• Design Life: Engineered for continuous 24/7 operation in industrial environments.

• Warranty: Typically supplied with a 12-month warranty from authorized distributors.

• Product Lifecycle: Maintained as a legacy product; support is primarily for system maintenance and replacement purposes.