GE IC693ALG221 4-Channel Analog Current Input Module – Series 90-30 PLC
Imagine a critical production line where temperature, pressure, or flow sensors are transmitting live 4–20 mA signals — and the PLC cannot read them. Without a reliable analog input module, your control system is blind. Process variables go unmonitored, alarms fail to trigger, and unplanned downtime cascades into costly production losses. The GE IC693ALG221 eliminates this vulnerability by providing four independent, high-accuracy current input channels that bridge the physical world of industrial sensors directly into your GE Series 90-30 control architecture.
Within the Series 90-30 family — GE’s most widely deployed modular PLC platform — the IC693ALG221 occupies a foundational role as the standard 4-channel analog current input module. Designed for 4–20 mA process signals, it is engineered to meet the demanding requirements of continuous process industries worldwide. Tens of thousands of units remain in active service across petrochemical plants, water treatment facilities, and discrete manufacturing lines globally, making it one of the most proven analog I/O modules in industrial automation history.
Technical Specifications
- Model: IC693ALG221
- Manufacturer: General Electric (GE Automation / Emerson)
- Series: Series 90-30 PLC
- Input Type: Analog Current (4–20 mA)
- Number of Channels: 4 (single-ended)
- Input Range: 4–20 mA
- Resolution: 12-bit (0–4095 counts)
- Isolation: Optically isolated from backplane
- Power Consumption: Supplied via Series 90-30 backplane
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C
- Relative Humidity: 5% to 95% non-condensing
- Backplane Compatibility: Series 90-30 5-slot, 10-slot, and expansion racks
- Form Factor: Single-slot module
- Weight: Approx. 350 g
- Certifications: UL Listed, CE Marked
Note: All specifications are sourced from GE/Emerson official documentation. Konmask.com does not fabricate or alter published specifications.
Key Features & Benefits
- 4-Channel Simultaneous Acquisition: Monitor four independent 4–20 mA process loops simultaneously, reducing module count and wiring complexity.
- 12-Bit Resolution: Delivers 4096 discrete steps across the full input range, providing the measurement granularity required for precise process control.
- Optical Isolation: Protects the CPU and backplane from ground loops and electrical noise common in industrial environments.
- Hot-Swap Compatible: Supports module replacement without full system shutdown when used with appropriate Series 90-30 rack configurations.
- Plug-and-Play Integration: Recognized natively by Proficy Machine Edition and legacy Logicmaster 90 programming environments — no custom drivers required.
- Proven Field Reliability: Designed to MIL-spec vibration and shock standards, suitable for harsh industrial environments.
- Long-Term Availability: Konmask.com maintains stock of both new and refurbished units to support legacy system maintenance and MRO procurement.
Industry & Equipment Applications
- Oil & Gas: Pipeline pressure monitoring, wellhead control panels, compressor station automation
- Water & Wastewater Treatment: Flow meter integration, chemical dosing control, level sensor acquisition
- Power Generation: Turbine control systems, boiler management, generator monitoring
- Petrochemical & Refining: Reactor temperature loops, distillation column control
- Food & Beverage: CIP process monitoring, pasteurization temperature control
- Automotive Manufacturing: Paint booth environmental control, press force monitoring
- HVAC & Building Automation: Chiller plant optimization, air handling unit control
System Integration & Compatible Parts
The IC693ALG221 is designed to operate within the GE Series 90-30 ecosystem. Compatible and commonly paired components include:
- CPUs: IC693CPU311, IC693CPU313, IC693CPU321, IC693CPU331, IC693CPU340, IC693CPU341, IC693CPU350, IC693CPU360, IC693CPU363, IC693CPU374
- Power Supplies: IC693PWR321, IC693PWR322, IC693PWR330, IC693PWR331
- Backplane Racks: IC693CHS391 (5-slot), IC693CHS392 (10-slot), IC693CHS393 (expansion)
- Analog Output Modules: IC693ALG390, IC693ALG391, IC693ALG392
- Communications: IC693CMM301 (Genius Bus), IC693CMM302 (Ethernet), IC693PBS301 (PROFIBUS)
- Programming Software: GE Proficy Machine Edition, Logicmaster 90-30
Our Quality Assurance Process
Every IC693ALG221 unit shipped from Konmask.com undergoes a rigorous multi-stage inspection process:
- Visual Inspection: PCB, connectors, and housing examined for physical damage, corrosion, or counterfeit indicators
- Functional Power-On Test: Module powered and verified to initialize correctly on a Series 90-30 test rack
- Channel Accuracy Verification: All 4 analog input channels tested with calibrated 4–20 mA signal source
- Firmware Version Check: Firmware revision documented and disclosed prior to shipment
- Anti-Static Packaging: Shipped in ESD-safe bags with foam cushioning and moisture barrier
- Traceability: Each unit assigned a Konmask inspection record number for post-sale reference
How to Order
- Submit an Inquiry: Contact us via the form below or email support@konmask.com with your required quantity and delivery timeline.
- Receive a Quote: Our team will respond within 1 business day with pricing, availability, and lead time.
- Confirm & Pay: We accept T/T (bank transfer), PayPal, and other B2B payment methods. Proforma invoice provided upon request.
- Shipment & Tracking: Units shipped via DHL, FedEx, or UPS Express with full tracking. Export documentation (commercial invoice, packing list) included.
- After-Sales Support: 12-month warranty on all tested units. Technical support available via email and WhatsApp.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation MRO — We focus exclusively on PLC, DCS, HMI, and drive components from leading brands including GE, Siemens, Allen-Bradley, ABB, and Schneider.
- ✅ Genuine Parts Guarantee — Every unit is sourced from verified supply chains and inspected against counterfeit risk.
- ✅ Global Export Experience — We ship to 60+ countries with full export documentation and customs support.
- ✅ Fast Response — Inquiry-to-quote within 24 hours. Urgent orders accommodated.
- ✅ Technical Expertise — Our team includes experienced automation engineers who can assist with compatibility verification and system integration questions.
- ✅ Long-Term Partnership — We support OEM manufacturers, system integrators, and MRO procurement teams with consistent supply and competitive pricing.
Frequently Asked Questions
Q1: Is the IC693ALG221 still in production?
A: The IC693ALG221 has been discontinued by GE/Emerson as part of the Series 90-30 product line sunset. However, Konmask.com maintains stock of new-surplus and fully tested refurbished units to support ongoing maintenance requirements.
Q2: What is the difference between IC693ALG221 and IC693ALG222?
A: The IC693ALG221 provides 4 analog current input channels (4–20 mA), while the IC693ALG222 provides 4 analog voltage input channels. Selection depends on your field sensor output type.
Q3: Can this module be used with a Series 90-70 or PACSystems rack?
A: No. The IC693ALG221 is designed exclusively for Series 90-30 backplane racks. It is not compatible with Series 90-70 (IC697 series) or PACSystems RX3i/RX7i platforms.
Q4: Do you provide a warranty?
A: Yes. All tested and refurbished units carry a 12-month warranty covering functional defects. New-surplus units carry a 6-month warranty. Warranty terms are provided in writing with each order.
Q5: Can you provide a datasheet or wiring diagram?
A: Yes. Contact us at support@konmask.com and we will provide the official GE IC693ALG221 user manual and wiring documentation at no charge.
Q6: What is the minimum order quantity (MOQ)?
A: MOQ is 1 unit. We accommodate both single-unit emergency replacements and bulk procurement orders.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
{
“@context”: “https://schema.org”,
“@graph”: [
{
“@type”: “Product”,
“name”: “GE IC693ALG221 4-Channel Analog Current Input Module”,
“description”: “GE IC693ALG221 is a 4-channel analog current input module for the Series 90-30 PLC platform, accepting 4-20mA signals with 12-bit resolution. Suitable for process control in oil & gas, water treatment, and manufacturing industries.”,
“sku”: “IC693ALG221”,
“brand”: {
“@type”: “Brand”,
“name”: “General Electric”
},
“manufacturer”: {
“@type”: “Organization”,
“name”: “General Electric (GE Automation / Emerson)”
},
“model”: “IC693ALG221”,
“category”: “PLC Analog Input Module”,
“url”: “https://konmask.com/products/ge-ic693alg221-analog-input-current-series-90-30”,
“offers”: {
“@type”: “Offer”,
“seller”: {
“@type”: “Organization”,
“name”: “Konmask.com”,
“url”: “https://konmask.com”
},
“availability”: “https://schema.org/InStock”,
“priceCurrency”: “USD”,
“priceValidUntil”: “2026-12-31”,
“itemCondition”: “https://schema.org/UsedCondition”
}
},
{
“@type”: “FAQPage”,
“mainEntity”: [
{
“@type”: “Question”,
“name”: “Is the IC693ALG221 still in production?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The IC693ALG221 has been discontinued by GE/Emerson as part of the Series 90-30 product line sunset. However, Konmask.com maintains stock of new-surplus and fully tested refurbished units to support ongoing maintenance requirements.”
}
},
{
“@type”: “Question”,
“name”: “What is the difference between IC693ALG221 and IC693ALG222?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The IC693ALG221 provides 4 analog current input channels (4-20 mA), while the IC693ALG222 provides 4 analog voltage input channels. Selection depends on your field sensor output type.”
}
},
{
“@type”: “Question”,
“name”: “Can this module be used with a Series 90-70 or PACSystems rack?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “No. The IC693ALG221 is designed exclusively for Series 90-30 backplane racks. It is not compatible with Series 90-70 (IC697 series) or PACSystems RX3i/RX7i platforms.”
}
},
{
“@type”: “Question”,
“name”: “Do you provide a warranty?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. All tested and refurbished units carry a 12-month warranty covering functional defects. New-surplus units carry a 6-month warranty.”
}
},
{
“@type”: “Question”,
“name”: “What is the minimum order quantity (MOQ)?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “MOQ is 1 unit. We accommodate both single-unit emergency replacements and bulk procurement orders.”
}
}
]
}
]
}
