AIO288/1 Analog Input/Output Module | Bachmann M1 Series

Bachmann AIO288/1 – High-Density Analog Input/Output Module

Product Overview

The Bachmann AIO288/1 module offers a high-density combination of analog inputs and outputs, providing 28 input channels and 8 output channels in a compact design. Moreover, it supports voltage, current, and thermocouple signals for precise measurement and control of process variables such as temperature, pressure, flow, and actuator signals. Its rugged design and hot-swappable capability make it ideal for industrial automation, power generation, renewable energy, and process industries requiring high reliability and real-time control.

Functional Highlights

The module allows single-ended or differential connections, and provides power for up to four potentiometers and temperature sensors (Pt100/Pt1000). Moreover, it features wire break detection, short-circuit protected outputs, and overload monitoring, ensuring safe operation under demanding industrial conditions. Built-in diagnostics with per-channel LED indicators simplify troubleshooting and reduce downtime.

Technical Specifications

• Model: AIO288/1

• Series: Bachmann M1 Automation System – Analog I/O Modules

• Manufacturer: Bachmann electronic GmbH (Austria)

• Type: Analog Input/Output Module

• System Compatibility: Bachmann M1 automation system

• Analog Inputs: 28 channels (voltage, current, thermocouple)

• Analog Outputs: 8 channels (voltage/current configurable)

• Input Signal Types: Voltage (±10 V, 0–10 V), Current (0–20 mA, 4–20 mA), Thermocouple

• Output Signal Types: Voltage (0–10 V, ±10 V), Current (0–20 mA, 4–20 mA)

• Resolution: 12-bit or 16-bit A/D and D/A conversion (depending on firmware)

• Accuracy: ±0.1% full scale

• Isolation: Galvanic isolation between channels and system bus

• Update Rate: < 5 ms for real-time control

• Load Capacity: Current outputs up to 500 Ω; voltage outputs up to 10 kΩ

• Diagnostics: Built-in per-channel monitoring LEDs

• Power Consumption: 8–10 W

• Dimensions: 130 × 50 × 150 mm

• Weight: 0.55 kg

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

• Storage Temperature: −40 °C to +85 °C

• Humidity Range: 5% to 95% RH, non-condensing

• Mounting: DIN rail or rack installation

• Certifications: CE, UL, RoHS

FAQ

Q1: How many analog inputs and outputs does AIO288/1 provide?
It provides 28 analog input channels and 8 analog output channels in one module.

Q2: Can it measure temperature?
Yes, it supports up to 4 Pt100/Pt1000 sensors in 2-wire or 4-wire configuration.

Q3: Is it suitable for harsh industrial environments?
Yes, it is designed with strong anti-interference capability and industrial-grade durability.

Q4: What type of signals does it support?
Voltage, current, and thermocouple signals are all supported for flexible applications.

Q5: Can it be replaced without shutting down the system?
Yes, the module is hot-swappable to minimize downtime.