Bachmann DIO280 Digital I/O Module

Versatile and Efficient Digital Control for Industrial Automation

The BACHMANN DIO280 digital input/output module is designed to seamlessly control and monitor various digital devices within industrial systems. This module operates a wide range of consumers, including contractors, relays, and valves, while also allowing for the precise reading of signals from sensors, switches, and photocells. Its flexibility makes it ideal for use in complex automation environments.

Featuring up to 80 digital channels, the DIO280 offers versatile configuration options, enabling you to set 16 channels as input or output as needed. The module also supports 8 interrupt inputs, allowing for immediate response to events. Additionally, up to 4 counters can be configured to detect positions or count items, adding valuable functionality for industrial applications such as production line monitoring.

One of the standout features of the DIO280 is its PWM output mode, designed to optimize the energy usage of inductive devices like valves. The module also includes configurable hold time settings (up to 2 seconds) to further enhance energy efficiency.

With its robust design and user-friendly interface, the DIO280 ensures reliable operation in even the most demanding industrial environments.

Key Features

48/64 or 80 digital channels for flexible input/output configuration
16 channels configurable as input or output
8 interrupt inputs for event-driven responses
Up to 4 configurable 32-bit counters for position detection and item counting
Configurable input filter for precise signal processing
PWM output mode for energy-saving control of inductive devices (e.g., valves)
Hold time for PWM operation configurable from 0 to 2 seconds
Parallel connectable outputs in the same operation mode
LED status indicators for each channel
Supply voltage: 18 V DC to 34 V DC
Reverse polarity protection to prevent damage from incorrect connections

Technical Specifications

Inputs

Feature	DIO248	DIO264	DIO280	DIO280 CC
Number of Inputs	16 to 32	24 to 40	32 to 48	–
Input Voltage Range (H)	15 V DC to 34 V DC	15 V DC to 34 V DC	15 V DC to 34 V DC	–
Input Voltage Range (L)	0 V DC to 5 V DC	0 V DC to 5 V DC	0 V DC to 5 V DC	–
Input Filter	Standard: 600 µs	600 µs	600 µs	–
Settable Filter Time	10 μs to 270 ms	10 μs to 270 ms	10 μs to 270 ms	–
Internal Resistance	8 kΩ	8 kΩ	8 kΩ	–
Status Indication (LED)	Green	Green	Green	–
Interrupt Inputs	8, configurable	8, configurable	8, configurable	–

Counters

Feature	DIO248	DIO264	DIO280	DIO280 CC
Number of Counters	–	–	Up to 4	–
Counter Resolution	–	–	32-bit	–
Operation Modes	–	–	Event counter, Incremental encoder, Gate time measurement, Period duration, Frequency measurement	–
Encoder Types	–	–	Incremental encoder (A and B channel), One-channel pulse encoder	–
Input Signals	–	–	A, B, Initiator (interrupt inputs configurable)	–
Signal Evaluation	–	–	1/2/4-fold edge evaluation, Pulse direction mode	–
Maximum Input Frequency	–	–	1-channel: 50 kHz, Dual-channel: 20 kHz	–

Outputs

Feature	DIO248	DIO264	DIO280	DIO280 CC
Number of Outputs	16 to 32	24 to 40	32 to 48	–
Output Voltage Range	18 V DC to 34 V DC	18 V DC to 34 V DC	18 V DC to 34 V DC	–
Output Current per Channel	0.5 A	0.5 A	0.5 A	–
Total Current (Max.)	16 A	20 A	24 A	–
Status Indication (LED)	Green	Green	Green	–
Switching Frequency (Max.)	1 kHz	1 kHz	1 kHz	–
Inductive Breaking Capacity	1.15 H	1.15 H	1.15 H	–

Applications and Benefits

The BACHMANN DIO280 module is ideal for applications where high flexibility and control are required. It allows precise digital control over industrial actuators, relays, and sensors. The PWM output mode ensures efficient operation, especially for inductive loads such as valves, which is critical for energy-saving operations.

The module’s ability to handle up to 48 channels and support interrupt inputs makes it a versatile choice for systems requiring real-time response and monitoring. The configurable counters and input filters also add versatility for position detection and signal processing, making it suitable for a range of industrial tasks, from automated manufacturing to complex control systems.