Product Description
The DIO264 (Order Number: 00012247-00) is a high-density, versatile digital interface module for the Bachmann M1 automation platform. With 64 digital channels, it offers hybrid flexibility: 16 channels are software-configurable as either inputs or outputs. This allows the DIO264 to replace multiple dedicated I/O cards in a single M1 backplane slot, saving both cost and space.
Beyond basic switching, the module features advanced on-board processing:
8 interrupt-capable inputs for high-speed event response
Four 32-bit counters for incremental encoder and frequency measurements
Pulse Width Modulation (PWM) on outputs for hydraulic and pneumatic applications, enabling energy-efficient "valve economy" mode
Technical Specifications
| Feature | Specification |
|---|---|
| Total Digital Channels | 64 |
| Configurable Channels | 16 (Input/Output) |
| High-Speed I/O | 8 interrupt-capable inputs |
| Counter Functionality | 4 × 32-bit counters (Event, Incremental Encoder, Frequency, Cycle Time) |
| Counter Resolution | High-precision with configurable gate times |
| PWM Output Mode | All outputs; programmable hold time 0–2 s |
| Output Current | 0.5 A per channel (parallel connection supported) |
| Supply Voltage | 18–34 VDC (reverse polarity protected) |
| Input Filtering | Software-configurable hardware filters to remove contact bounce |
| Diagnostics | Individual green LED indicators per channel |
| Isolation | 500 V RMS galvanic between field and system bus |
| Operating Temperature | -30°C to +60°C |
Application Scenarios
Hydraulic manifold control: PWM prevents solenoid overheating
High-speed packaging and sorting systems: Supports standard sensor inputs, high-speed interrupt triggers, and encoder feedback for position tracking
Technical FAQ
Q: How does the "Valve Economy" (PWM) mode benefit my system?
A: PWM allows the module to supply full power to a valve for opening (pull-in), then reduce power to a lower holding level (hold), lowering heat generation and extending component lifespan.
Q: Can I use the counters for position detection with an encoder?
A: Yes. The DIO264 supports incremental encoder mode on its counter channels, providing 32-bit precision for tracking actuators or conveyor belts directly at the I/O level.
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