8-channel Analog Input Module (4–20 mA)

Photo: Angga Panca Alam Anugrah · CC BY-SA 4.0 · Image credits

Boards & I/O Modules

8-channel Analog Input Module (4–20 mA)

Model: AI-8

DIN-rail module with 8 channels for 0/4–20 mA and 0–10 V signals at 16-bit resolution.

  • 8 independent channels, 1 kV isolation
  • 16-bit resolution, 0.1 % accuracy
  • Wire-break and short-circuit detection
  • 24 V loop supply for 2-wire transmitters

Nationwide delivery · Free technical advice

Channels8 AI (current / voltage)
Input0/4–20 mA · 0–10 V
Resolution16 bit
Accuracy±0.1 % FS

Overview

The AI-8 digitises signals from pressure, temperature and level transmitters with high accuracy and makes them available over Modbus to PLCs and SCADA. Each channel is individually set for current or voltage and is galvanically isolated.

Technical specifications

General

Channels
8 AI (current / voltage)
Input
0/4–20 mA · 0–10 V
Resolution
16 bit
Accuracy
±0.1 % FS

Communication

Protocols
Modbus-RTU · RS-485 · 9600–115200

Electrical

Supply
24 V DC
Isolation
1 kV channel-to-bus
Protection
IP20

Mechanical

Mounting
35 mm DIN rail
Ambient temperature
−20 … 60 °C

Applications

Pressure and temperature monitoring in utilities
Building automation
Power plant panels
Process data acquisition

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