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GE IC693MDL240F Input Module
GE IC693MDL240F
GE IC693MDL240F is a high-performance 16-point DC sinking input module, which belongs to the well-known Series 90-30 Programmable Logic Controller (PLC) series under General Electric (GE). In automated control systems, this module acts as a “sensory scout” and serves as a key interface between the PLC and on-site equipment. Its core function is to receive DC switch signals (usually 24 VDC) from various on-site devices such as switches, buttons, proximity sensors, or photoelectric sensors. Through internal photoelectric isolation and signal conditioning circuits, it safely and reliably converts these on-site signals into internal logic levels recognizable by the PLC CPU. GE IC693MDL240F is renowned for its excellent reliability, high anti-interference capability, and plug-and-play compatibility. The suffix “F” typically indicates that the module has a higher level of filtering or enhanced anti-noise performance, making it highly suitable for industrial environments with complex electrical conditions and significant electromagnetic interference. It provides stable and reliable digital state sensing capabilities for the 90-30 Series PLC system.
Product Parameters
- Product Model: IC693MDL240F
- Manufacturer: General Electric (GE)
- Product Type: 16-point DC sinking input module (Series 90-30 PLC)
- Number of Input Points: 16 points (divided into 2 groups, each group shares 1 common terminal for 8 points)
- Input Type: Sinking (NPN) [On-site equipment needs to provide positive electrode (24VDC), and the module provides negative electrode]
- Rated Input Voltage: 24 VDC (rated range: 10-30 VDC)
- “1″ Signal Level: +15 to +30 VDC (sinking current ≥ 2.5 mA)
- “0″ Signal Level: 0 to +5 VDC
- Input Delay: Typical value 3 ms (filterable, effectively suppressing noise)
- Isolation Method: Photoelectric isolation (500 VAC, between channels and backplane)
- Power Consumption: 5V backplane current: 60 mA, 24V on-site current: 40 mA (max)
- Operating Temperature: 0°C to +60°C
- Installation Method: Modular, inserted into the 90-30 Series PLC rack
Structure and Composition
GE IC693MDL240F adopts a compact modular design. Its sturdy plastic housing is equipped with two rows of 16 LED status indicators on the front; each green LED corresponds to one input channel, which can intuitively display the real-time signal status (ON/OFF) of that point. Inside the module, every 8 input channels form a group and share one common terminal (COMM); this grouped design simplifies wiring. The core of each input channel is an optocoupler, which achieves complete electrical isolation between the external on-site circuit (24VDC) and the internal PLC logic circuit (5VDC). This effectively prevents high-voltage intrusion and ground loop interference, protecting the backplane and CPU. The front of the module is a detachable screw terminal block for connecting wires of on-site equipment. The rear of the module is a gold finger connector, which is used to insert into the base plate of the 90-30 Series PLC to realize data and power connection with the backplane bus.
Key Features and Advantages
High Reliability and Strong Anti-Interference Capability
GE IC693MDL240F is designed specifically for harsh industrial environments. Its built-in photoelectric isolation provides an isolation barrier of up to 500VAC, effectively suppressing ground noise and transient high voltage. The typical 3-ms input delay plays an effective role in software filtering, which can ignore short pulses caused by contactor jitter or electromagnetic interference, ensuring the stability and accuracy of signal reading and greatly reducing misoperations caused by signal noise.
Plug-and-Play and Excellent Compatibility
As a standard module of the 90-30 Series, IC693MDL240F is fully compatible with all 90-30 CPUs and base plates, and can be automatically recognized by the system without any configuration software. Its sinking (NPN) input type is the most common wiring method in the industry, which can seamlessly connect to DC two-wire or three-wire PNP proximity switches, photoelectric sensors, and other equipment of most brands, enabling simple and fast integration.
Clear Diagnosis and Easy Maintenance
The one-LED-per-point indicator on the front of the module greatly facilitates troubleshooting. Maintenance personnel can instantly identify whether the fault lies in on-site equipment (sensor has a signal but the LED does not light up), line failure (LED lights up but the PLC has no input), or internal PLC failure. This significantly shortens the Mean Time to Repair (MTTR) and improves equipment availability.
Application Fields
As a basic discrete input module, GE IC693MDL240F is widely used in all industrial fields where 90-30 PLC is applied. In the automotive manufacturing industry, it is used to detect cylinder positions, threshold switch statuses, and conveyor belt item in-place signals. On packaging machinery, it connects to photoelectric sensors to detect the presence of packaging materials, or connects to buttons as start/stop commands. In water treatment plants, it is used to monitor the operating status of pumps and the open/close limit positions of valves. In addition, in almost all discrete and process control industries such as material handling, food processing, and iron and steel metallurgy, GE IC693MDL240F is a core component for collecting on-site switching signals and building the sensing layer of control systems.
Installation and Maintenance
Preparation Before Installation
Before installing GE IC693MDL240F, ensure that the power supply of the PLC system is completely turned off. Confirm that the module model is consistent with the required input type (sinking). Plan the wiring of on-site equipment and prepare an independent 24VDC power supply for each group of 8 inputs. Use a suitable screwdriver to fasten the terminal block screws.
Maintenance Recommendations
The module requires simple maintenance. During daily inspections, observe whether the LED indicator status is consistent with expectations. The most common faults are on-site side issues, such as sensor damage, line disconnection, or power failure, which can all be quickly identified through the LED status. Regularly check whether the wiring terminals are loose, especially in vibrating environments. For cleaning, use dry compressed air to remove dust from the module surface; do not use solvents. The module itself has an extremely low failure rate; if a fault is suspected, it can be verified by swapping with adjacent channels.
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Applicable Industries
Our automation spare parts are widely used in key sectors including:
Iron & steel, hydropower, nuclear power, power generation, glass manufacturing, tire factories, rubber production, thermal power generation, papermaking, shipping, navigation, and more.
Iron & steel, hydropower, nuclear power, power generation, glass manufacturing, tire factories, rubber production, thermal power generation, papermaking, shipping, navigation, and more.
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