製品紹介
The GE IC697MDL251 Discrete Input Module is a reliable, high-performance digital input module designed for use within the GE Fanuc Series 90-70 PLC system. It provides 16 discrete input points, arranged into four electrically isolated groups / four points each, allowing flexible configuration and secure signal isolation. This modular design ensures enhanced system protection, fault tolerance, and noise imm台y—key features in demanding industrial control environments.
The IC697MDL251 is used to interface field input devices such as pushbuttons, limit switches, sensors, and relays with the PLC’s control logic. Its design emphasizes robust isolation, fast input response, and compatibility with both DC and AC input signals, depending on system configuration. The module connects easily through the backplane bus, facilitating seamless integration into Series 90-70 racks without external wiring complications.
Technical Specifications
| Parameter | Specification |
|---|---|
| モデル Number | IC697MDL251 |
| Product Type | Discrete Input Module |
| Series | GE Fanuc Series 90-70 |
| Number / Input Points | 16 points total |
| Input Group Configuration | 4 isolated groups / 4 points each |
| Input Voltage Range | 24 V DC nominal |
| Logic “1” Voltage | 15 V DC (minimum) |
| Logic “0” Voltage | 5 V DC (maximum) |
| Input Current | 7 mA per point (typical at 24 V DC) |
| Input Isolation | 1500 V between groups and backplane |
| Input Delay Time | 2.5 ms (typical ON/OFF delay) |
| Module Power Consumption | 0.5 W (typical) |
| Backplane Current | 60 mA at 5 V DC |
| Indicators | 16 individual LED indicators for input status |
| Diagnostics | Self-checking circuits and group fault isolation |
| Mounting | Single-slot module for Series 90-70 rack |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 5% to 95%, non-condensing |
| Dimensions (L×W×H) | 200 × 45 × 145 mm |
| 重量 | 0.64 kg |
Product Applications
The GE IC697MDL251 module is widely used in industrial control systems where dependable digital signal acquisition is required. Its isolated input groups make it ideal for applications demanding signal segregation, noise imm台y, and safety isolation.
Typical Applications Include:
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Factory Automation: Reading status signals from sensors, switches, and control panels.
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Process Control Systems: Monitoring field equipment and integrating discrete signals into process logic.
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Material Handling Systems: Detecting limit switch positions, photoelectric sensors, and gate controls.
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Energy and Utility Monitoring: Collecting discrete status information from substations and circuit breakers.
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Machine Tool Control: Monitoring interlocks, safety switches, and operational signals.
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Building and HVAC Automation: Gathering input signals from thermostats, dampers, and access controls.
Product Advantages
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High Signal Isolation: Four isolated input groups provide excellent electrical protection and system integrity.
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Enhanced Noise Imm台y: Effective in electrically noisy industrial environments.
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Compact and Modular Design: Occupies a single slot while /fering 16 input points.
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Status Indication: Individual LED indicators display the state / each input point.
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Reliable Input Filtering: Built-in filtering prevents false triggering from electrical transients.
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Flexible Configuration: サポートs varied field wiring and voltage levels.
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Seamless Integration: Fully compatible with Series 90-70 PLC racks and backplane communication.
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Low Power Consumption: Efficient design minimizes load on the system’s power supply.
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Maintenance-Friendly: Diagnostic LEDs and modular design simplify troubleshooting and replacement.
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Industrial Durability: Designed for long-term use in harsh automation environments.
FAQ
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What is the main function / the IC697MDL251 module?
It converts discrete field input signals (such as switch or sensor states) into logic-level signals that can be processed by the PLC CPU. -
How many input points does the module support?
The module provides a total / 16 input points, organized into four isolated groups / four. -
What is the benefit / having isolated input groups?
Isolation prevents electrical interference between input groups and protects the PLC system from voltage spikes or ground loops. -
What is the nominal operating voltage for this module?
The IC697MDL251 operates typically at 24 V DC nominal input voltage. -
How does the module indicate input status?
Each input point has an LED indicator that lights up when the corresponding input signal is active. -
Is the module suitable for fast digital signals?
Yes, with an input response time / 2.5 ms, it is suitable for most industrial digital signal applications. -
Can this module be used in combination with analog modules?
Yes, it can be used alongside analog input or output modules within the same Series 90-70 rack. -
How is the module powered?
It draws power directly from the Series 90-70 rack backplane, requiring 5 V DC supply. -
Is there built-in protection against transient voltages?
Yes, the module includes input filtering and transient suppression for enhanced reliability. -
What diagnostic features are provided?
Each input has a status LED, and the module performs internal checks to detect faults within isolated groups.
Related モデルs (Same Series)
| モデル Number | 説明 |
|---|---|
| IC697MDL240 | 120 VAC Discrete Input Module, 16 points |
| IC697MDL250 | 24 VDC Isolated Input Module, 16 points |
| IC697MDL252 | 48 VDC Discrete Input Module, 16 points |
| IC697MDL253 | 5 VDC Logic-Level Input Module |
| IC697MDL654 | 32-Point DC Input Module |
| IC697MDL655 | High-Density DC Input Module for Series 90-70 |
Popular モデルs from GE Fanuc Series 90-70
| モデル Number | 説明 |
|---|---|
| IC697CPU782 | Central Processor ユニット with 12K I/O capability |
| IC697CPX772 | 32-bit high-performance CPU module |
| IC697CPU789 | High-speed CPU with floating-point support |
| IC697GDC701 | DSP Coprocessor Module |
| IC697ALG230 | Analog Input Module, 8 channels |
| IC697MDL740 | 24 VDC Output Module, 16 points |
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