ABB SDCS-PIN-3B 3ADT315200r1001 Digital input module

Description

ABB SDCS-PIN-3B 3ADT315200r1001 Digital input module

Product Dimensions：

Product Description

The ABB SDCS-PIN-3B is a dedicated electronic circuit board used primarily in the control stack of older ABB DC drive systems (like the DCS500 series).

Its core function is to act as the interface between the motor’s incremental encoder and the drive’s main control unit. This interface is critical because it:

1. Signal Conditioning: Receives the high-frequency pulse signals (e.g., TTL or HTL) from the encoder and processes them into clean, reliable digital signals.

2. Electrical Isolation: Provides galvanic isolation between the encoder and the sensitive drive electronics, preventing electrical noise and voltage spikes from corrupting the control board.

3. Speed Feedback: Accurately calculates the motor’s actual speed based on the conditioned pulse frequency, providing the essential feedback data for the drive’s high-precision closed-loop speed control.

Product Parameters

Product Advantages

• Superior Accuracy: Ensures the drive achieves extremely high speed control accuracy and repeatability by providing clean, real-time speed feedback signals.

• Robust Noise Immunity: The integrated signal conditioning and isolation features maintain signal integrity and reliability even in electrically harsh industrial environments (like those with large current switching).

• Versatile Interface: Compatible with the two most common industrial encoder standards (TTL and HTL), offering flexibility in sensor selection.

• System Integrity: Guarantees perfect signal matching and protocol communication with the ABB SDCS control architecture.

Important Precautions

• ESD Protection: The SDCS-PIN-3B is an Electrostatic Discharge (ESD) sensitive device. Always use a grounded wrist strap and follow strict ESD procedures when handling the module.

• Encoder Wiring: Shielded, twisted-pair cables must be used for encoder connections. Ensure the cable shield is properly grounded, typically at the drive end, to suppress electrical noise.

• Voltage Match: Verify that the power voltage supplied by the module to the encoder (e.g., $5\ \text{V}$ or $24\ \text{V}$) exactly matches the encoder’s requirement. Incorrect voltage will damage the encoder.

• Power Down: Before installation or removal, cut and lock out all power to the drive system and allow adequate time for all internal capacitors to discharge.

Product Applications

The SDCS-PIN-3B is essential in applications where precise motor speed and synchronization are critical:

• Rolling Mills: Used for accurate speed control and coordinated synchronization between multiple motors in steel and aluminum processing.

• Web Handling: Critical for high-precision synchronous control between different sections of high-speed production lines (e.g., paper, film, printing).

• Tension Control: Provides accurate speed feedback necessary for maintaining constant tension in winding and unwinding applications.

• Test Benches: Used in industrial test setups that require highly regulated and repeatable speed profiles.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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