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General Electric IC670ALG330 Field Control 8-Point Analog Current Output Module

General Electric IC670ALG330 Field Control 8-Point Analog Current Output Module

Description

The GE Fanuc IC670ALG330 is an 8-point analog current-source output module designed for the Field Control series. This module provides high-precision current output signals for industrial control applications, featuring 16-bit...

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SKU: IC670ALG330

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Description

The GE Fanuc IC670ALG330 is an 8-point analog current-source output module designed for the Field Control series. This module provides high-precision current output signals for industrial control applications, featuring 16-bit conversion resolution and a nominal output range of 0-20 mA. It is engineered to interface seamlessly with Field Control Bus Interface Units (BIUs), providing reliable analog control for actuators, valves, and other current-driven field devices.

Features

  • 8-channel analog current output configuration.
  • 16-bit conversion resolution with 14-bit magnitude data size.
  • Supports a nominal output range of 0-20 mA, with a total range of 0.0-20.48 mA.
  • High-speed update time of 1.5 ms typical.
  • Integrated open-wire detection with a configurable threshold.
  • Galvanic isolation rated at 1500 VAC for 1 minute.

Technical Specifications

Model IC670ALG330
Channels 8
Signal Type Analog Current (0-20 mA)
Resolution 16 bits (0.3125 uA per count)
Supply Voltage 18-30 VDC (24 VDC nominal)
Current Draw (BIU) 85 mA
Current Draw (External) 250 mA (at 20 mA per channel)
Isolation 1500 VAC (1 min) / 250 VAC (continuous)
Load Inductance 0.5 H maximum
Load Capacitance 2000 pF maximum

Installation Guidelines

  • Ensure the Field Control BIU is powered down before inserting or removing the module to prevent electrical damage.
  • Mount the module securely on the designated Field Control carrier or DIN-rail system.
  • Use shielded twisted-pair cabling for analog signal lines to minimize EMI interference.
  • Ensure proper grounding of the cable shields at the control cabinet entry point.
  • Verify that the external 24 VDC power supply is within the 18-30 VDC range and meets the ripple requirements (10% maximum).
  • Handle the module using ESD-safe practices to prevent damage to internal sensitive components.

FAQ

What is the primary function of the IC670ALG330?

This module acts as an 8-channel analog output interface, converting digital data from the controller into precise 0-20 mA current signals to drive field instrumentation.

Does this module require external power?

Yes, the module requires an external 24 VDC power supply, drawing up to 250 mA when all channels are active at full load.

What is the resolution of the analog output?

The module features a 16-bit conversion resolution, providing a step size of 0.3125 uA per count.