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These modules enable the measuring or output of all standard analog signals. AIO202/SI offers 2 channels, AIO204/SI offers 4 channels and AIO208/SI 8 channels isolated compactly and individually in one module. The standard signal types for current (0 mA to 20 mA and 4 mA to 20 mA) and voltage ranges (±10 V to ±100 mV) allow the connection of a wide range of sensors and actuators. A 16 bit resolution makes it possible to also measure signals that do not fully utilize the measuring range (e.g. 0 V to 5 V) with a sufficiently high resolution. Temperatures are playing an important role in an increasing number of processes. These modules therefore also support Pt100 in 2-, 3- and 4-wire measuring circuits, as well as all standard thermocouples.

Input and output are available on every channel. If, for example, the voltage input is used in most instances, the free output as a secondary channel can be used for the current output, for instance, so that double the number of channels are available per module. This enables virtually all analog signal measuring tasks to be covered easily in a single module instead of using many different modules for each signal type. A cost-effective solution that simplifies logistics and service as well as enabling the flexible use of reserve resources.

Different modes can be combined and set simply using a configuration wizard in the SolutionCenter engineering tool.

 

Features

  • 2 channels AIO202/SI, 4 channels AIO204/SI, 8 channels AIO208/SI
  • Analog inputs or outputs
  • Galvanically isolated by channel
  • Modes that can be selected per channel:
    • Analog voltage input ±10 V to 100 mV
    • Analog current input 4(0) mA to 20 mA, ±20 mA
    • Temperature sensor Pt elements as 2-,3-,4-wire Thermoelements type J, K, T, N, E, R, S, B
    • Analog voltage output ±10 V
    • Analog current output 0(4) mA to 20 mA
  • Resolution: 16 bit input, 14 bit output 
  • Filter adjustable from 4 kHz to 0.5 Hz per channel 
  • All outputs overload, short-circuit and external voltageproof 
  • Measuring range monitoring freely adjustable 
  • Error message on overload, temperature rise and undervoltage of the supply 
  • Galvanic isolation channel to channel and channel to system 500 V

Approvals / Certificates

Datasheet

AIO204/SI

AIO202/SI, AIO204/SI, AIO208/SI EN
PDF - 642 Kb
AIO202/SI, AIO204/SI, AIO208/SI EN
AIO202/SI, AIO204/SI, AIO208/SI DE
PDF - 643 Kb
AIO202/SI, AIO204/SI, AIO208/SI DE

System overview

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