1771-IJC Allen‑Bradley

Description

Product Name : 1771-IJC Allen Braley Power module

Product details:

The Allen-Bradley 1771-IJC is an Encoder Counter Module designed for the PLC-5 Universal I/O system. It serves as a high-speed interface between an industrial processor and an incremental encoder, allowing for precise tracking of position, velocity, and direction in motion control applications.

Product Specifications

Key Product Advantages

• High-Speed Processing: Capable of handling pulse rates up to 50 kHz, making it ideal for fast-moving production lines where standard digital inputs are too slow.
• Bi-directional Counting: Supports quadrature signals, allowing the system to determine both the distance traveled and the direction of rotation.
• Flexible Integration: Fits seamlessly into existing PLC-5 architectures, extending the life of legacy systems without requiring a total overhaul.
• On-board Intelligence: The module can perform counting independently of the PLC scan time, ensuring no pulses are missed during heavy processor loads.

Product Applications

The 1771-IJC is typically utilized in environments requiring precise mechanical feedback:

1. Positioning Systems: Tracking the movement of a carriage or tool head on a linear rail.
2. Conveyor Synchronization: Measuring belt speed to synchronize multiple conveyors or sorting arms.
3. Cut-to-Length: Measuring material (like paper, steel, or fabric) to trigger a cutting mechanism at exact intervals.
4. Rotary Tables: Monitoring the angular position of indexing tables in machining centers.

Important Considerations & Maintenance

Caution: Always remove power from the I/O chassis before installing or removing the module to prevent damage to the backplane or the module circuitry.

• Wiring Shielding: To prevent electromagnetic interference (EMI) from corrupting pulse data, use shielded twisted-pair cabling for all encoder connections.
• Voltage Selection: Ensure the module’s jumpers or DIP switches are correctly set to match the output voltage of your encoder (5V vs. 24V).
• Legacy Status: As part of the 1771 series, this module is considered a legacy product. While highly reliable, it is recommended to keep critical spares on hand as new units are increasingly difficult to source.
• Keying: Use the plastic “keying bands” on the backplane connector to ensure only a 1771-IJC can be inserted into that specific slot, preventing accidental damage from mismatched modules.

Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!

We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！

Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service

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