Product Overview

The DI232 (Order Number: 00012235-00) is a high-density digital input module engineered for the Bachmann M1 automation system. It consolidates 32 digital channels into a single-slot footprint, providing an efficient solution for high-volume signal acquisition. Designed for industrial-grade reliability, the module features robust galvanic isolation and configurable hardware filtering to ensure signal integrity in electrically noisy environments.

Whether utilized for monitoring complex safety chains or gathering status feedback from hundreds of sensors, the DI232 (00012235-00) offers the precision and vibration resistance required for demanding applications in wind energy, maritime automation, and heavy manufacturing.

Detailed Technical Specifications

The DI232 (00012235-00) adheres to international IEC standards for programmable controllers, ensuring seamless integration with standard industrial sensors.

• Manufacturer: Bachmann Electronic

• Model/Order Number: DI232 (00012235-00)

• Input Channels: 32 Digital Inputs

• Nominal Input Voltage: 24 VDC

• Logic Levels: Type 1 and Type 3 (compliant with IEC 61131-2)

• Input Current: Approximately 3.5 mA per channel

• Input Filtering: Software-configurable from 1 ms to 5 ms

• Isolation Voltage: 500 V RMS (field circuitry to system bus)

• Status Monitoring: 32 individual channel LEDs plus 1 system status LED

• Internal Power Consumption: 1.5 W from system bus

• Field Power Requirement: 24 VDC external supply via front connector

• Connection Type: 40-pin front connector (standard M1 interface)

• Mounting: Single-slot width with vibration-proof backplane locking

• Operating Temperature: −30 °C to +60 °C

Key Functional Advantages

• Optimized Density: Providing 32 channels in a single slot significantly reduces the required cabinet width, making the DI232 (00012235-00) ideal for space-constrained retrofit projects.

• Deterministic Filtering: The configurable input filters allow engineers to suppress contact bounce or electrical interference, ensuring the M1 CPU receives clean, debounced signals.

• Universal Sensor Compatibility: Support for Type 1 and Type 3 logic levels ensures compatibility with virtually all industrial 2-wire and 3-wire proximity sensors and switches.

Industrial Application Scenarios

• Wind Power: Real-time monitoring of nacelle sensors, limit switches, and hydraulic status feedback.

• Factory Automation: Centralized status acquisition for large-scale conveyor systems and production lines.

• Safety & Interlock Chains: High-density monitoring of door interlocks and emergency stop feedback circuits.