The GE 8103AI-TX is an 8-channel analog input module for the PAC8000 I/O system. The module interfaces with 8 single-ended 4-20 mA input channels coming from 2- or 4-wire transmitters. Operating over a 16-bit resolution, it converts raw field current parameters into accurate digitized data for transmission over the system Railbus. It features integrated open and short circuit line fault detection alongside non-incendive field circuits, making it safe for deployment in hazardous industrial processing environments.

Number of Channels:

8 channels, single-ended

Signal Range:

Nominal range up to 20 mA, with a full operational span from 1 to 23 mA

Railbus (12V) Current:

100 mA (typical), 150 mA (maximum)

Output Parameters (@ 20 mA):

Minimum output voltage of 0.5 V, with a maximum output current of 32 mA

Response Time:

Signal change to availability on Railbus is a maximum of 27 ms

Operating Temperature Range:

-40 °C to +70 °C (Standard industrial resilience specification for PAC8000 field hardware)

Hazardous Area Instrumentation:

Deployed in Class 1, Div 2 / Zone 2 hazardous areas to connect non-incendive field devices safely.

Transmitter Loop Integration:

Direct data acquisition interface for 2-wire and 4-wire process loops measuring pressure, flow, and temperature parameters.

Process Line Monitoring:

Provides continuous analog loop scanning with automated high, high-high, low, and low-low alarm limit interlocking functions.

System Diagnostics Overhaul:

Provides automated line fault detection, flagging open circuits and shorted field wires to avoid processing downtime.

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