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GE IC670MDL640 Field Control Digital Input Module
Product Overview
The GE IC670MDL640 is a high-reliability 16-channel digital input module designed for GE’s Field Control Series, a modular automation platform widely used in industrial environments requiring distributed I/O control. As part of the IC670 Series, this module interfaces with sensors, switches, and other field devices, converting their physical states into digital signals for processing by programmable logic controllers (PLCs) or distributed control systems (DCS). Its design emphasizes flexibility, ruggedness, and compatibility with legacy systems, making it essential for maintaining operational continuity in factories, water treatment plants, and oil & gas facilities.
Featuring 16 isolated digital input channels, the GE IC670MDL640 supports 24 V DC input voltage with positive/negative logic grouping, allowing it to accommodate a wide range of industrial sensors, including proximity switches, limit switches, and pushbuttons. Each channel operates with a 8.0 mA maximum current consumption, ensuring stable signal detection even in noisy environments. The module’s galvanic isolation (up to 1500 VAC, inferred from similar Field Control modules like the IC670MDL730K) protects the control system from voltage spikes and electromagnetic interference (EMI), critical for applications with heavy machinery or motor drives.
In automation systems, the IC670MDL640 integrates seamlessly with Genius Bus Interface Units (BIUs) such as the IC670GBI002, enabling real-time data transmission to PLCs like the IC693CPU363. Its compact form factor (2″ x 3″ x 3.5″ / 5.08 cm x 7.62 cm x 8.89 cm) and lightweight design (0.5 lbs / 0.23 kg) facilitate installation in tight control cabinets, while a rugged metal housing and conformal coating ensure durability in extreme temperatures (0°C to 60°C) and high-humidity conditions. Though discontinued by GE, the GE IC670MDL640 remains a cornerstone for maintaining legacy systems, offering cost-effective reliability where upgrading to newer platforms is impractical. By combining high channel density, flexible signal handling, and robust isolation, the IC670MDL640 enhances system responsiveness, reduces wiring complexity, and supports efficient industrial operations.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | IC670MDL640 |
| Manufacturer | GE |
| Product Type | Digital Input Module (Field Control Series) |
| Series | IC670 (Field Control I/O) |
| Input Channels | 16 (isolated) |
| Input Voltage | 24 V DC (±10%) |
| Input Current | 8.0 mA per channel |
| Input Logic | Positive/negative grouped |
| Isolation Rating | 1500 VAC (channel-to-channel, channel-to-backplane; inferred from similar models) |
| Physical Dimensions | 5.08 cm (L) × 7.62 cm (W) × 8.89 cm (D) |
| Weight | 0.23 kg |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Tolerance | 5%–95% (non-condensing) |
| Bus Compatibility | Genius Bus (via BIUs like IC670GBI002) |
| Certifications | CE, UL 508 (assumed based on GE Field Control standards) |
Main Features and Advantages
High channel density and flexible logic:
The IC670MDL640’s 16 isolated channels maximize input capability in a compact design, ideal for applications requiring multiple sensors—such as conveyor systems in automotive assembly lines or valve position monitoring in chemical plants. Its positive/negative logic grouping allows seamless integration with both PNP and NPN sensors, eliminating the need for external signal converters and simplifying inventory management.
Reliable isolation and noise immunity:
With 1500 VAC galvanic isolation (inferred from comparable Field Control modules), the module prevents cross-talk and protects against voltage transients, ensuring stable operation in environments with variable frequency drives or welding equipment. This isolation mitigates the risk of sensor faults propagating to the control system, reducing downtime in safety-critical processes like wastewater treatment.
Robust industrial design:
Rated for 0°C to 60°C operating temperatures and 5%–95% non-condensing humidity, the IC670MDL640 thrives in harsh conditions. Its conformal coating resists dust, moisture, and chemical exposure, making it suitable for washdown areas in food processing plants or dusty foundries. The metal housing further enhances durability, ensuring long-term performance in vibrating or shock-prone environments.
Seamless Field Control integration:
Designed exclusively for the Field Control Series, the module pairs with IC670GBI002 BIUs to communicate with PLCs via the Genius Bus. This integration enables centralized configuration and real-time monitoring, with sensor data transmitted to the PLC with minimal latency—critical for time-sensitive applications like high-speed packaging or quality control.
Low power consumption:
Drawing just 8.0 mA per channel, the IC670MDL640 minimizes energy usage, making it suitable for remote or energy-constrained applications such as offshore platforms or solar-powered monitoring stations.
Application Areas
The GE IC670MDL640 excels in industries requiring reliable digital signal acquisition:
- Manufacturing:
Monitors limit switches in robotic workcells, photoelectric sensors in material sorting systems, and safety interlocks in industrial ovens. Its 16 channels support synchronized sensor input, ensuring precise control of production processes. - Water and Wastewater Treatment:
Detects level switches in storage tanks, flow sensors in filtration systems, and pressure switches in pump stations. Its rugged design withstands corrosive chemicals and frequent washdowns, ensuring consistent performance in treatment plants. - Oil and Gas:
Monitors valve position switches in wellheads, temperature sensors in compressors, and emergency stop buttons in offshore platforms. Isolation features protect against electrical noise from nearby motors, ensuring reliable operation in hazardous environments. - Food and Beverage Processing:
Tracks conveyor belt alignment sensors, bottle presence detectors in filling lines, and door switches in cold storage units. Its ability to handle wet, hygienic environments supports compliance with food safety standards.
Related Products
- GE IC670GBI002(Genius Bus Interface Unit):
Facilitates communication between the IC670MDL640 and PLCs via the Genius Bus, managing data transmission and power distribution to Field Control modules. - GE IC670MDL730K(Field Control Digital Output Module):
A 16-channel digital output module that pairs with the IC670MDL640 to form closed-loop control systems, actuating relays or solenoids based on sensor inputs. - GE IC670PWR100(Field Control Power Supply):
Provides 24 V DC power to the IC670MDL640 and other Field Control modules, ensuring stable operation in fluctuating mains environments. - GE IC693BEM331(Genius Bus Controller):
Manages data flow between the IC670MDL640 and Series 90-30 PLCs, enabling centralized monitoring of distributed I/O systems. - GE IC670ALG230K(Field Control Analog Input Module):
An 8-channel analog input module that works alongside the IC670MDL640 to integrate analog sensor data (e.g., pressure, temperature) into control logic. - GE IC670CHS002(Field Control Terminal Block):
A rugged terminal block for secure wiring between the IC670MDL640 and field sensors, preventing loose connections in vibrating industrial environments.
Installation and Maintenance
Pre-installation preparations:
Ensure the mounting surface (DIN rail) is clean, grounded, and within the 0°C to 60°C operating range. Verify compatibility with the Field Control BIU (e.g., IC670GBI002) and target sensors (24 V DC, PNP/NPN type). Connect shielded twisted-pair cables from the module’s terminals to sensors, routing them away from high-voltage lines to minimize EMI. Apply 24 V DC power via the BIU and configure input addresses using GE’s Proficy Machine Edition software to avoid conflicts on the Genius Bus.
Maintenance suggestions:
Perform quarterly visual inspections to check for loose terminal connections or damaged cables, reseating connections as needed. Clean dust from module vents biannually with compressed air, especially in dusty environments like cement plants, to prevent overheating. Test input channels annually using a multimeter to confirm 24 V DC signal detection, ensuring consistent sensor performance. Store spare IC670MDL640 modules in anti-static packaging at 10–30°C with <60% humidity, testing functionality yearly to ensure readiness for replacement.
Product Guarantee
Our company offers a one-year quality warranty service for the IC670MDL640, covering hardware malfunctions not caused by human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement services. In addition, for discontinued models or urgent demands, relying on our global supply chain network, we can quickly respond to customers’ procurement needs for scarce spare parts, and provide reliable services to support the continuous and stable operation of industrial systems.
As a leading enterprise in the industrial control industry, established in 2007, we have 17 years of experience. We are an import and export trade distribution company, mainly selling major brands of industrial control parts, with many unpopular discontinued models and a large stock. Our supply channel advantages ensure a large number of in-stock items, meeting customers’ urgent needs for spare parts. We distribute PLC modules, DCS cards, ESD system cards, and more, with a focus on reliable service and timely delivery.
For inquiries, contact us via WhatsApp at +86 18859254943 or email at sales@ygplc.com.
