GE HE670ADC840 Analog Input Module

General Electric HE670ADC840 Field Control Analog Input Module

Availability: 1 left in stock

DescriptionThe HE670ADC840 is an 8-channel, isolated analog input module designed for the GE Fanuc Field Control system. This module provides...

SKU: HE670ADC840

Manufacturer: General Electric
Product No.: HE670ADC840
Product Type: Analog Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 600g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The HE670ADC840 is an 8-channel, isolated analog input module designed for the GE Fanuc Field Control system. This module provides high-precision signal conversion, transforming 4-20mA current loop inputs into 12-bit digital values for processing by the Bus Interface Unit (BIU). Engineered for industrial environments, it features robust electrical isolation to protect sensitive backplane components from field-side electrical noise and surges.

Features

8-channel 4-20mA analog input capacity.
12-bit resolution for precise signal monitoring.
High isolation ratings: 400VDC channel-to-channel and 1,000VDC channel-to-bus.
Compatible with standard Field Control I/O bases for flexible termination.
Supports hot-swapping on Revision C and higher hardware.
Input impedance of 100 ohms.

Applications

This module is intended for use in distributed I/O systems where analog process variables (such as pressure, flow, or temperature transmitters) must be interfaced with a PLC or control system. Its high isolation makes it suitable for environments with significant electrical noise or potential ground loops.

Technical Specifications

Model	HE670ADC840
Channels	8
Input Range	4-20mA
Resolution	12-bits
Input Impedance	100 ohms
Channel-to-Channel Isolation	400VDC
Channel-to-Bus Isolation	1,000VDC
Power Consumption	130mA (from backplane)
Operating Temperature	0 to 75 degC
Relative Humidity	5% to 95%, non-condensing

Installation Guidelines

Ensure the system power is disconnected before installing or removing the module unless performing a hot-swap on a supported revision.
Mount the module securely in the designated Field Control I/O base.
Use shielded twisted-pair cabling for all analog inputs to minimize EMI/RFI interference.
Ensure proper grounding of the I/O base to the system ground bus to maintain isolation integrity.
Avoid routing signal cables in parallel with high-voltage power lines.
Verify that the module is fully seated in the base to ensure reliable backplane communication.

FAQ

What is the HE670ADC840?

It is a 4-20mA isolated analog input module for Field Control, featuring 8 channels with 12-bit resolution.

What is the HE670ADC840 power consumption?

The module requires 130mA, which is supplied by the backplane.

What is the operating temperature range?

The module operates in temperatures ranging from 0 to 75 degC.

What is the input impedance?

The input impedance is 100 ohms.

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