I/O modules

The GE HE693ADC420 by Horner Electric is a precision four-channel analog input module. This module accurately measures current signals from field sensors and transmitters. Moreover, its high-resolution design ensures reliable data for critical process control loops.

Precision Measurement and Electrical Performance

This module accepts a standard 4 to 20 mA input range with +/- 20 mA variation support. It delivers an exceptional 18-bit resolution for fine measurement granularity. Furthermore, the integrating analog-to-digital converter provides excellent noise rejection for stable readings.

Detailed Technical Specifications

The HE693ADC420 combines high accuracy with efficient power consumption in a compact form. Below is a complete list of its definitive technical parameters.

Technical Specifications:

• Manufacturer & Model: GE (Horner Electric) HE693ADC420

• Product Series: HE693 PLC I/O System

• Category: Analog Input Module

• Channels: 4 isolated analog input channels

• Input Type: Current (4-20 mA standard, ±20 mA range)

• Input Impedance: 100 ohms

• A/D Converter Type: Integrating

• Resolution: 18 bits

• Update Rate: 45 channels per second (aggregate)

• Power Requirements: +5 VDC @ 140 mA & +24 VDC @ 100 mA (steady state)

• Power Consumption: 0.7 Watts typical

• Inrush Current: 200 mA at 5V & 100 mA at 24V during power-up

• Form Factor: Standard HE693 series modular I/O unit

• Dimensions: Compact design for high-density PLC rack mounting

• Weight: 0.81 lbs (0.37 kg)

• Electrical Interface: Removable terminal block for field wiring

• Internal Components: Includes A/D converter, signal conditioning, isolation circuits, and a microcontroller

• Isolation: Channel-to-channel and channel-to-bus isolation for signal integrity

• Status Indicators: LED per channel for activity and diagnostics

System Integration and Process Applications

The HE693ADC420 is ideal for applications requiring precise monitoring of pressure, flow, or temperature. It connects directly to compatible GE/Horner controllers for data acquisition and control. This module often functions within systems that also include protective relays like the RMS-TSG-TZ-C Static Trip unit. It complements other control hardware such as the IS200AEBMG1AFB and interfaces with sensors like the PR6423/128-110 vibration transducer.

Details