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Bachmann DIO216 Digital Input/Output Module

1. Product Description

A compact, cost-effective industrial digital input/output (DIO) module designed for 中小型 (small-to-medium) automation systems. The Bachmann DIO216 integrates 16 configurable channels (split into 8 input/8 output as default, or fully reconfigurable via software), enabling seamless connection with industrial sensors (e.g., proximity switches) and actuators (e.g., relays, small motors). It features robust electrical protection, low power consumption, and compatibility with Bachmann controllers (MPC240) and backplanes (BS203/BS208), making it ideal for applications requiring simplified, reliable digital signal management in harsh industrial environments.

2. Detailed Specifications

2.1 Channel Configuration

Total Channels: 16 channels (8 input/8 output default; fully configurable via software)

Digital Input Type: 24 V DC sinking/sourcing; dry contact support

Input Response Time: <2 ms (for 0→1 and 1→0 transitions)

Digital Output Type: 24 V DC transistor (NPN/PNP configurable); maximum 0.3 A per channel

Output Protection: Short-circuit protection (per channel); overcurrent shutdown (auto-recovery after fault removal)

2.2 Electrical Performance

Input Voltage Range: 18-30 V DC (compatible with standard industrial power supplies)

Output Voltage Range: 20-30 V DC (regulated to match input)

Isolation: 2 kV AC isolation between channels; 4 kV AC isolation between I/O and power lines

Leakage Current: <15 μA (input off-state); <60 μA (output off-state)

Max Inrush Current: <1 A (per output channel, initial activation)

2.3 Communication & Integration

Interface Type: 1×backplane connector (compatible with Bachmann BS203/BS208 backplanes)

Data Transmission: Real-time signal exchange with host controllers; maximum throughput 50 Mbps (sufficient for 16-channel data)

Protocol Support: Bachmann proprietary DIO protocol; compatible with Modbus RTU (via backplane)

2.4 Power Supply

Input Voltage: 24 V DC ±20% (powered via backplane or external 24 V DC)

Power Consumption: Typical 3 W, Maximum 5 W (excluding load current)

Power Protection: Overvoltage, undervoltage, and reverse polarity protection

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 (compliant with IEC 60068-2-6)

Shock Resistance: 30 g acceleration, 11 ms duration (compliant with IEC 60068-2-27)

EMC Compliance: EN 61000-6-2 (industrial immunity), EN 61000-6-4 (industrial emissions)

2.6 Physical & Software

Dimensions: 90×75×28 mm (Length×Width×Height)

Mounting: DIN rail (via backplane integration; EN 50022 standard)

Weight: ~120 g

Programming Software: Bachmann Studio (v4.0+; channel configuration, status monitoring, fault diagnostics)

LED Indicators: 16 channel-specific LEDs (green for input on, red for output on); 1 power LED (green); 1 fault LED (red)

3. Advantages & Features

Flexible Channel Allocation: 16 configurable channels (8/8 default) adapt to dynamic input/output needs (e.g., adjusting I/O ratio for specific machinery).

Compact & Space-Saving: Small form factor (90×75×28 mm) fits tight DIN rail layouts, ideal for small automation cabinets.

Reliable Protection: Per-channel short-circuit protection and multi-level isolation reduce downtime from electrical faults.

Easy Integration: Seamless compatibility with Bachmann controllers (MPC240) and backplanes (BS203/BS208) – no extra adapters required.

Cost-Effective: Balances functionality and price, perfect for budget-conscious small-to-medium automation projects.

4. Application Fields

Small Machinery Control: Bench-top equipment (e.g., 3D printers, small CNC routers) – sensor input and actuator control.

Building Automation: Zone-specific lighting control, HVAC damper actuation, and access control (card reader input, lock output).

Retail Automation: Automated checkout kiosks, inventory tracking sensors (e.g., shelf presence detectors), and display lighting control.

Agricultural Equipment: Small irrigation pumps, greenhouse vent control, and soil moisture sensor input.

Test & Measurement: Lab equipment (e.g., sample handlers) – triggering test sequences and monitoring device status.

5. Precautions

Installation: Integrate only with compatible Bachmann backplanes (BS203/BS208); power off backplane before inserting/removing the module to avoid connector damage.

Wiring: Use 0.5-1.5 mm² cables for I/O; tighten terminals to 0.4-0.6 N·m torque (prevents loose connections); separate power cables from signal wires (reduces EMI).

Load Management: Do not exceed 0.3 A per output channel; use external relays for high-current loads (>0.3 A, e.g., large motors) to protect the module.

Environmental Protection: Avoid installation in areas with oil, water, or corrosive gas; use a dust cover in dusty environments (e.g., factories with loose particles).

Maintenance: Check LED status monthly (identify fault channels early); clean terminals with a dry brush (no liquids); do not disassemble the module (voids warranty and risks electrical hazards).

The structure and details of the product：
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