Product Overview

The GE IC693ALG221​represents a versatile analog input module within GE’s Series 90-30 programmable logic controller system,designed for precise signal acquisition from various process instrumentation and sensors.This 8-channel analog input module serves as a critical interface between field devices and the control system,providing accurate measurement of voltage and current signals from transmitters,transducers,and other analog sensors.Engineered with robust signal conditioning technology and advanced filtering algorithms,the IC693ALG221​ensures reliable operation in industrial environments where electrical noise and temperature variations can challenge measurement accuracy.

As an integral component of the Series 90-30 I/O system,the GE IC693ALG221​features a compact design that delivers high channel density while maintaining excellent signal integrity.The unit supports multiple input ranges including voltage and current signals,with each channel individually configurable to match specific sensor requirements.The module incorporates sophisticated analog-to-digital conversion technology that provides high-resolution measurement while effectively rejecting common-mode noise and power line interference.The IC693ALG221’s modular design allows for easy installation and maintenance,with clear status indicators that provide immediate visual feedback of module operation and channel status.

Technical Specifications

Product Model|IC693ALG221​

Manufacturer|GE(General Electric)

Product Type|Analog Input Module

Channels|8 single-ended inputs

Input Types|Voltage:0-5V,0-10V,±5V,±10V

Input Types|Current:4-20mA,0-20mA

Resolution|12-bit plus sign

Accuracy|±0.1%of reading±1 count

Update Rate|20ms per channel(all channels)

Input Impedance|Voltage:>1MΩ,Current:250Ω

Common Mode Rejection|>120dB at 50/60Hz

Normal Mode Rejection|>60dB at 50/60Hz

Power Supply|+5V DC from backplane

Power Consumption|850mA 5V DC

Operating Temperature|0°C to+60°C

Connection Type|Removable terminal block

Isolation|500V AC field to logic

Certifications|UL,cULus,CE

Main Features and Advantages

Advanced Signal Conditioning:The GE IC693ALG221​utilizes high-performance signal conditioning circuitry that ensures accurate measurement in electrically noisy industrial environments.Each input channel features programmable gain amplification and sophisticated filtering that automatically adapts to different signal ranges.The module’s high input impedance minimizes loading effects on signal sources,while the excellent common-mode rejection ratio effectively cancels noise that appears equally on both signal lines.This robust signal conditioning makes the IC693ALG221​particularly suitable for applications with long cable runs or high electromagnetic interference.

Flexible Configuration:A significant advantage of the IC693ALG221​is its channel-independent configuration capability,allowing each of the 8 channels to be individually programmed for different input types and ranges.This flexibility enables the module to interface with diverse sensors and transmitters without requiring hardware modifications.The configuration is stored in non-volatile memory,ensuring settings are retained during power cycles.The module supports both single-ended voltage inputs and current inputs with built-in precision resistors,providing installation flexibility and reducing external component requirements.

Comprehensive Diagnostics:The module incorporates extensive self-diagnostic functions that monitor channel health and signal integrity.The GE IC693ALG221​detects open circuit conditions on current inputs and over-range conditions on all inputs,providing immediate feedback through status indicators and system alarms.The module’s watchdog timer monitors communication integrity with the CPU,ensuring reliable operation even in the event of communication disruptions.These diagnostic capabilities enable proactive maintenance and reduce system downtime by quickly identifying potential issues.

Application Field

In water treatment plant monitoring systems,the GE IC693ALG221​analog input modules are extensively used for measuring process parameters such as pH,turbidity,and chemical feed rates.A recent implementation in a municipal water treatment facility utilized multiple IC693ALG221​modules to monitor 32 analog signals from various sensors,achieving measurement stability of±0.2%and reducing calibration frequency by 40%.The instrumentation technician reported:”The IC693ALG221’s reliable performance and excellent noise immunity have significantly improved our process monitoring accuracy while reducing maintenance requirements.”

The module demonstrates reliable performance in various industrial applications:

Process Industries:Pressure,temperature,and flow monitoring

Manufacturing:Machine condition monitoring and quality control

Energy Management:Power monitoring and energy consumption

Building Automation:HVAC control and environmental monitoring

Water/Wastewater:Level,flow,and quality parameter monitoring

Related Products

GE IC693ALG222​|16-channel analog input module

GE IC693ALG391​|Thermocouple input module

GE IC693ALG440​|RTD input module

GE IC693ACC300​|CPU modules for system integration

GE IC693MDL645​|Digital input module

GE IC693MDL655​|Digital output module

GE IC693PWR330​|Power supply modules

Installation and Maintenance

Pre-installation preparation:Proper installation of the GE IC693ALG221​requires careful planning of signal wiring and grounding practices.The module should be installed in the appropriate slot of the Series 90-30 rack according to the system configuration.Analog signal wiring must use twisted-pair shielded cables with proper grounding at one end to minimize noise pickup.Signal cables should be routed separately from power cables to prevent electromagnetic interference.The module requires a stable+5V DC power supply from the backplane with adequate current capacity.

Maintenance recommendations:Regular maintenance includes periodic verification of measurement accuracy against reference standards.The IC693ALG221’s status indicators should be monitored during normal operation to identify potential issues.Input circuits should be checked annually for proper signal levels and noise levels.Configuration backups should be maintained and verified after any system changes.For critical applications,periodic calibration verification is recommended to ensure long-term measurement accuracy.

Product Guarantee

We guarantee that every GE IC693ALG221​analog input module is genuine GE product with full manufacturer certification and performance validation.Our quality assurance process includes comprehensive testing of all 8 input channels,accuracy verification,and communication functionality.The product is backed by a 36-month warranty with technical support available for configuration assistance and troubleshooting.We maintain adequate inventory to support both new projects and emergency replacement requirements,ensuring minimal disruption to your control operations.Our commitment to quality includes pre-shipment verification of all critical parameters,providing confidence in measurement accuracy and module reliability.

选择深圳长欣，选择放心，售后无忧 大量现货，当天顺丰发货！！！