Product Short Description
Product Name: Bachmann DIO280 — High-Density Digital Input/Output Module
Product Overview: The DIO280 is a digital input/output module from Bachmann electronic designed to operate consumers of digital control devices such as contactors, relays, pneumatic and hydraulic valves, as well as for reading signals from digital sources such as sensors, photocells, or switches. It belongs to the DIO248/DIO264/DIO280 family and offers high channel density with flexible configuration.
Description
Technical Specifications:
- Total Channels: 80 digital channels
- Configurable Channels: 16 channels can be configured as input or output
- Interrupt Inputs: 8 configurable interrupt inputs
- Counter Support: Up to 4 configurable 32-bit counters
- Counter Modes: Event counter, incremental encoder, gate time measurement, period duration, frequency measurement
- Supply Voltage: 18 VDC to 34 VDC (protected against reverse polarity)
- PWM Output Mode: All outputs can operate as PWM for energy-saving operation of inductive loads; configurable hold time 0 s to 2 s (especially for valve economy mode)
- Output Parallel Connection: Possible when operating in same mode
- Status Indication: LED per channel
- Operating Temperature: –30 °C to +60 °C (typical; some sources specify –30 to +60 °C)
- Storage Temperature: –40 °C to +85 °C
- Humidity Tolerance: 5% to 95% (non-condensing)
- Features: Cost effective and space saving
Key Features: Flexible channel configuration (16 channels as DI or DO); 8 interrupt-capable inputs for fast event response; advanced 32-bit counter functions (encoder, frequency, period measurement); PWM output mode for valve economy (energy saving); reverse-polarity protected supply; per-channel LED status.
Application Scenarios: Controlling contactors, relays, pneumatic/hydraulic valves; reading sensors, photocells, switches; position detection and goods counting via counters; valve actuation with PWM economy mode in industrial automation.
Installation & Usage Notes: Connect to 18–34 VDC supply with correct polarity (reverse polarity protected). Configure channels, interrupts, counters, and PWM parameters via Bachmann engineering tools. Ensure proper grounding. Observe specified temperature and humidity ranges.
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