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Product Introduction
The GE IC693MDL641 is a 32-point Negative Logic Input Module designed for use with the GE Fanuc Series 90-30 Programmable Logic Controller (PLC) systems. This module is engineered to detect discrete field signals from a wide range of industrial input devices operating on negative logic (sourcing-type). It translates these field-level signals into logic levels recognized by the PLC for real-time control and monitoring.
The IC693MDL641 is built for environments that require high-density input capacity without compromising space or reliability. Each of the 32 input channels provides optical isolation, helping prevent damage from electrical surges or ground loops. Designed to accept 24 VDC input signals, it is commonly used in manufacturing lines, process control systems, material handling equipment, and other automation systems where devices source current to the input module.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Model | IC693MDL641 |
| Input Type | 32-Point Negative Logic (Sourcing Devices) |
| Nominal Input Voltage | 24 VDC |
| Input Voltage Range | 0 to 30 VDC |
| Input Current | Approx. 7 mA @ 24 VDC |
| Isolation | 1500 V (Field to Logic, Optical Isolation) |
| Response Time | ON to OFF / OFF to ON: Typically 1 ms |
| Number of Inputs | 32 Channels |
| Commons | 4 Commons (8 inputs per common) |
| Backplane Current Consumption | 120 mA @ +5 VDC |
| Input Status Indicators | One LED per channel |
| Mounting Type | DIN Rail or Panel (Standard 90-30 Baseplate) |
| Wiring Connection | Removable Terminal Block |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions | 130 x 35 x 125 mm |
| Weight | 0.322 kg |
| Certifications | UL, CE, CSA Approved |
Product Applications
The IC693MDL641 module is ideal for a wide array of discrete input applications that require compatibility with sourcing field devices. Typical uses include:
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Factory automation: Detecting signals from sourcing-type sensors and input buttons in production systems.
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Packaging equipment: Monitoring position sensors, actuators, and gate statuses.
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Material handling systems: Interfacing with conveyor tracking switches and limit devices.
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Building control systems: Lighting, access control, and alarm signal inputs.
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Process control environments: Capturing manual input signals from operator interfaces and instrumentation panels.
Product Advantages
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High-Density Inputs: Provides 32 discrete input points in a single compact module.
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Negative Logic Design: Ideal for applications where field devices source current (sink-type module).
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Optical Isolation: Enhances signal integrity and protects logic circuitry from voltage spikes.
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Built-in LED Indicators: Each input point features a dedicated LED for easy troubleshooting and status monitoring.
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Efficient Wiring Architecture: Features 4 commons, simplifying field wiring and circuit segregation.
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Robust Industrial Design: Operates reliably in harsh environments with temperature and humidity tolerance.
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GE 90-30 Compatibility: Integrates seamlessly with other Series 90-30 I/O modules and CPUs.
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Fast Input Response: Enables rapid detection of signal transitions for time-critical applications.
Frequently Asked Questions (FAQ)
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What kind of devices can be connected to the IC693MDL641 module?
Devices that source current such as proximity sensors, switches, or optical encoders with NPN outputs. -
What does “negative logic input” mean in this context?
It means that the module receives current from the device (the module sinks current), common in NPN-type sensor applications. -
Is the IC693MDL641 compatible with all GE Series 90-30 CPUs?
Yes, it is compatible with any GE Fanuc 90-30 CPU that supports I/O modules. -
What voltage should be applied to the inputs?
24 VDC is nominal, but the module accepts up to 30 VDC. -
How are inputs grouped in this module?
Inputs are divided into 4 groups with 8 inputs per group, each sharing a common. -
What happens if the input voltage exceeds 30 VDC?
Exceeding the maximum input voltage may damage the input circuitry. Always use regulated 24 VDC sources. -
Are the input points optically isolated?
Yes, each point is optically isolated from the logic circuit to prevent electrical interference. -
Can this module be installed on a DIN rail?
Yes, standard Series 90-30 bases support both DIN rail and panel mounting. -
Are replacement terminal blocks available for this model?
Yes, the removable terminal block can be ordered separately if needed. -
How do I verify if an input is active?
The LED next to each input will illuminate when a valid signal is detected.
Related Models (Same Series / Similar Functionality)
| Model Number | Description |
|---|---|
| IC693MDL640 | 32-Point Positive Logic Input Module (24 VDC) |
| IC693MDL645 | 32-Point Negative Logic Input Module (24 VDC, Isolated) |
| IC693MDL634 | 16-Point Input Module, 24 VDC, Isolated |
| IC693MDL653 | 32-Point Relay Output Module |
| IC693MDL654 | 32-Point Source Output Module (0.5 A/point) |
| IC693MDL654 | 32-Point Sink Output Module (24 VDC) |
Popular GE Fanuc Models (Same Brand)
| Model Number | Description |
|---|---|
| IC693CPU374 | High-Speed CPU with Ethernet & Logic Power |
| IC693PWR321 | Standard Power Supply (120/240 VAC, 30W) |
| IC693ALG223 | 4-Channel Analog Output Module (Current Mode) |
| IC693APU300 | High-Speed Counter Module |
| IC693BEM331 | Genius Bus Controller Module |
| IC693CHS398 | 10-Slot Series 90-30 I/O Baseplate |
