Overview
Engineered for compatibility with Bachmann’s M200 control system, the DO232 combines fast response times, excellent diagnostic capability, and low power consumption, making it ideal for distributed automation architectures.
Specification
| Category | Specification |
|---|---|
| General Information | |
| Module Type | Digital Output Module |
| Model Number | DO232 |
| System Compatibility | Bachmann M200 Series |
| Number of Outputs | 32 channels |
| Output Type | High-side switching (sourcing) |
| Electrical Specifications | |
| Output Voltage Range | 18–34 V DC (nominal 24 V DC) |
| Output Current per Channel | 1 A (nominal) |
| Total Current per Group | Max. 8 A |
| Power Supply Groups | 2 (Channels 1–16 / 17–32) |
| Switching Delay (Resistive Load, 1 A) | 0 → 1: 80 µs (typical); 1 → 0: 250 µs (typical) |
| Switching Frequency (Resistive Load) | Up to 1 kHz |
| Inductive Load Breaking Capacity | 1.15 H |
| Load Types Supported | Resistive, inductive, capacitive |
| Galvanic Isolation (System to Field) | 500 V |
| Protection Features | Short-circuit, overload, thermal shutdown |
| Reverse Polarity Protection | Yes |
| Internal Current Consumption (5 V DC) | Approx. 180 mA |
| Functional & Mechanical Data | |
| Status Indication | Green LED per channel |
| Dimensions (W × H × D) | 186 × 35 × 118 mm (approx.) |
| Weight | 230 g (approx.) |
| Environmental Conditions | |
| Operating Temperature | –30 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Relative Humidity (Operation) | 5% to 95%, non-condensing |
| Relative Humidity (Storage) | 5% to 95%, with condensation |
| Pollution Degree (IEC 60664-1) | Degree 2 |
| Certifications & Approvals | |
| General | CE, UKCA, cULus |
| Marine | ABS, BV, DNV, KR, LR, NK, RINA |
FAQ
A1: The DO232 is fully compatible with Bachmann M200 and other automation platforms supporting 24 V DC field I/O.
Q2: Can the DO232 drive inductive loads directly?
A2: Yes, the module supports inductive loads up to 1.15 H and includes integrated flyback protection.
Q3: How does the module handle overload protection?
A3: Each channel includes electronic protection against overload and short circuits, ensuring system safety.
Q4: Is the DO232 suitable for marine applications?
A4: Yes, the DO232 holds multiple marine certifications including DNV, LR, RINA, and ABS, making it ideal for shipboard systems.
Q5: What is the advantage of galvanic isolation?
A5: Galvanic isolation separates field signals from system electronics, reducing interference and preventing ground loops.
Manual/Datasheet PDF
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