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Bachmann DIO32-C Slave Digital Input/Output Module
1. Product Description
A high-density industrial slave digital input/output (DIO) module designed for distributed automation systems. The Bachmann DIO32-C acts as a slave device, enabling seamless integration with master controllers (e.g., Bachmann MPC240) or bus masters (e.g., FS212/N FAST BUS module) via standard industrial protocols. It features 32 configurable channels (16 input/16 output default, fully reconfigurable via software), robust electrical protection, and a compact design—ideal for harsh industrial environments requiring distributed signal acquisition and control (e.g., large-scale production lines, process control stations).
2. Detailed Specifications
2.1 Channel Configuration
- Total Channels: 32 channels (16 digital inputs / 16 digital outputs; software-configurable I/O ratio)
- Digital Input Type: 24 V DC sinking/sourcing; dry contact support; input filter (0.1-10 ms configurable)
- Input Response Time: <1 ms (filter disabled); <11 ms (filter maxed at 10 ms)
- Digital Output Type: 24 V DC transistor (NPN/PNP configurable); 0.5 A maximum current per channel
- Output Protection: Per-channel short-circuit protection (auto-recovery after fault removal); overcurrent shutdown (1 A per channel)
2.2 Slave Communication Performance
- Supported Protocols: Profinet IO (IRT), Ethernet/IP, Modbus TCP/RTU (slave mode); compatible with Bachmann FAST BUS
- Communication Interface: 1×Gigabit Ethernet port (RJ45; for master-slave data exchange); 1×RS485 port (for backup Modbus RTU)
- Data Update Rate: Up to 1 ms (Profinet IO IRT); configurable from 1-1000 ms (other protocols)
- Slave Addressing: Support for IP address (Ethernet) and node ID (RS485); auto-discovery via Bachmann Studio
2.3 Electrical Performance
- Input Voltage Range: 18-30 V DC (industrial-grade power compatibility)
- Output Voltage Range: 20-30 V DC (regulated to match input)
- Isolation: 2.5 kV AC isolation between channels; 5 kV AC isolation between I/O and communication lines
- Leakage Current: <10 μA (input off-state); <50 μA (output off-state)
- Inrush Current: <2 A (per output channel, initial activation)
2.4 Power Supply
- Input Voltage: 24 V DC ±20% (powered via external supply or backplane)
- Power Consumption: Typical 6 W, Maximum 8 W (excluding load current)
- Power Protection: Overvoltage, undervoltage, reverse polarity, and surge protection (EN 61000-4-5)
2.5 Operating Environment
- Operating Temperature: -40°C ~ +70°C
- Storage Temperature: -40°C ~ +85°C
- Relative Humidity: 5% ~ 95% (non-condensing)
- Vibration Resistance: 10-500 Hz, 2 g acceleration (IEC 60068-2-6)
- Shock Resistance: 30 g acceleration, 11 ms duration (IEC 60068-2-27)
- EMC Compliance: EN 61000-6-2 (industrial immunity), EN 61000-6-4 (industrial emissions)
2.6 Physical & Software
- Dimensions: 140×75×28 mm (Length×Width×Height)
- Mounting: DIN rail (EN 50022 standard); compatible with Bachmann BS204/BS208 backplanes
- Software Support: Bachmann Studio (v4.0+; I/O configuration, protocol setting, fault diagnostics)
- LED Indicators: 32 channel LEDs (green: input on; red: output on); 2 communication LEDs (green: active; red: fault); 1 power LED (green)
3. Advantages & Features
- High-Density Slave Design: 32 channels in compact form factor reduce cabinet space in distributed systems.
- Multi-Protocol Slave Compatibility: Supports Profinet IO IRT/Ethernet/IP/Modbus RTU, integrating with diverse master controllers.
- Fast Data Update: 1 ms update rate (Profinet IO IRT) meets real-time distributed control needs.
- Robust Isolation & Protection: Multi-level isolation and surge protection ensure reliability in noisy industrial environments.
- Flexible Integration: Works with Bachmann backplanes (BS204/BS208) and third-party masters—no proprietary adapters needed.
4. Application Fields
- Distributed Production Lines: Automotive/electronics assembly lines (connecting remote sensors/actuators to central PLCs).
- Process Control Networks: Chemical/petroleum plants (distributed valve control, pump status monitoring via slave nodes).
- Smart Factory IoT: Industrial IoT (IIoT) systems (edge slave nodes for real-time data collection from shop-floor devices).
- Large-Scale Material Handling: Warehouses/conveyor systems (remote sensor input for package detection, slave-controlled motor outputs).
- Building Automation Networks: Commercial buildings (floor-level slave modules for lighting/HVAC control, connected to central BMS).
5. Precautions
- Slave Configuration: Set unique IP/node ID for each module (avoids communication conflicts); test master-slave connection before system startup.
- Wiring: Use shielded twisted-pair cables for I/O/communication; ground shields at master end (reduces EMI); separate power and signal cables.
- Load Management: Do not exceed 0.5 A per output channel; use external relays for high-current loads (>0.5 A, e.g., large motors).
- Redundancy Setup: For critical systems, configure dual communication paths (Ethernet + RS485) to avoid downtime from single-path failure.
- Maintenance: Inspect Ethernet/RS485 connectors quarterly (clean with dry brush); back up configuration via Bachmann Studio; do not disassemble (voids warranty).
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