Bachmann|AIO216| Analog Input/Output Module

Bachmann AIO216 Overview

The Bachmann AIO216 is a universal analog input/output module with 16 configurable channels, designed for high-precision measurement and control of voltage, current, and temperature signals in industrial automation systems.

Features

• 16-channel analog input/output module
• Supports voltage, current, Pt sensors, and thermocouples
• Configurable modes per channel
• High resolution: 16-bit input, 14-bit output
• Adjustable filter per channel (4 kHz to 0.5 Hz)
• Galvanic isolation up to 500 V
• Optional ColdClimate version available

Technical Specifications

General

• Channels: 16, configurable per signal type
• Galvanic isolation: 500 V
• Power supply: 18 V to 34 V DC
• Internal current consumption: 80 mA
• External current consumption at 24 V: 200 mA (no load)

Analog Inputs

• Resolution: 16 bit
• Measuring ranges:
  • Voltage: ±10 V, ±1 V, ±100 mV, ±10 mV
  • Current: ±20 mA, 0–20 mA, 4–20 mA
• Accuracy at 25 °C:
  • Voltage: ±0.05 % FS (±10 V to ±100 mV), ±0.2 % FS (±10 mV)
  • Current: ±0.1 % FS (±20 mA), ±0.2 % FS (0–20 mA, 4–20 mA)
• Filter: Adjustable cutoff frequency from 4 kHz to 0.5 Hz
• Overvoltage protection: ±24 V

Temperature Inputs

• Pt elements: Pt100 / Pt1000 in 2-, 3-, or 4-wire
  • Range: -100 °C to +800 °C
  • Accuracy: ±0.15 %
• Thermocouples: Types J, K, T, N, E, R, S, B
  • Value of LSB: 0.1 K
  • Accuracy: ±0.15 % to ±0.3 %

Analog Outputs

• Resolution: 14 bit
• Output types:
  • Voltage: ±10 V (max. 10 mA load)
  • Current: 0(4)–20 mA
• Burden: Up to 600 Ω
• Accuracy at 25 °C: ±0.05 % (voltage), ±0.2 % FS (current)

Environmental Conditions

• Operating temperature: -30 °C to +60 °C
• Humidity: 5 % to 95 % RH (noncondensing standard, condensing with ColdClimate option)
• Pollution degree: 2
• Approvals: CE, UKCA, cULus; Marine (ABS, BV, DNV, KR, LR, NK, RINA)