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The ABB SDCS-PIN-3A (3ADT312200R1) is a Pulse Interface Module designed as a vital signal processing component within ABB’s DCS 500 and DCS 600 DC Drive Control Systems. It acts as an interface between the encoder or tachometer and the converter control unit, providing clean, isolated, and accurately processed pulse feedback signals for precise motor speed and position control.
This model, SDCS-PIN-3A, represents an enhanced version of the SDCS-PIN-3, featuring improved signal filtering, wider input compatibility, better thermal performance, and an upgraded component layout for extended durability. It supports TTL, HTL, and RS-422 differential encoder inputs, making it adaptable for a wide variety of automation and motion control applications.
The module is known for its robust build, reliability, and longevity, ensuring dependable feedback communication and superior performance across heavy-duty industrial environments.
| Parameter | Specification |
|---|---|
| Model | SDCS-PIN-3A (3ADT312200R1) |
| Product Type | Pulse Interface Module |
| Input Signal Type | Encoder / Tachometer / Pulse Generator |
| Supported Encoder Standards | TTL, HTL, RS-422 differential |
| Input Frequency Range | 0 – 500 kHz |
| Output Signal Type | Pulse output to converter control board |
| Supply Voltage | 24 V DC (±10%) |
| Electrical Isolation | Galvanic isolation between input and logic circuits |
| Power Consumption | Approx. 2.2 W |
| Diagnostic Indicators | LED indicators for status and fault monitoring |
| Communication Interface | Internal system bus connection |
| Mounting Type | Plug-in module (rack-based) |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Relative Humidity | 5% – 95% (non-condensing) |
| Protection Features | Reverse polarity, surge, and short-circuit protection |
| Dimensions (L × W × H) | 115 × 65 × 22 mm |
| Weight | 0.28 kg |
| Typical Lifetime | Over 10 years continuous service |
| Compliance | CE, RoHS compliant |
The SDCS-PIN-3A module is an advanced signal interface card that provides accurate and isolated pulse conversion between encoder feedback devices and ABB DC drive systems. Its main purpose is to ensure the drive receives precise motor speed and position information, allowing for stable control and smooth performance in complex automation systems.
This model was developed as a reliable, high-precision enhancement to earlier pulse interface modules such as the SDCS-PIN-3. Its internal circuit design is optimized to handle high-frequency signals while maintaining robust noise immunity and signal clarity.
The SDCS-PIN-3A is easy to install using the plug-in method, reducing maintenance time and simplifying system configuration. With its superior reliability, it is widely used in high-demand industrial applications requiring accurate feedback and control precision.
Metallurgical Production Lines – For monitoring and controlling motor speed in rolling mills and steel processing.
Pulp and Paper Industry – Ensures precise synchronization between motor-driven rollers to maintain even sheet tension.
Textile Machinery – Provides accurate speed feedback for winding, spinning, and weaving applications.
Material Handling Equipment – Enhances the safety and accuracy of cranes, lifts, and conveyors.
Marine Propulsion Systems – Delivers reliable feedback for propulsion control and stabilization.
Robotics and Automation – Used for position feedback and closed-loop motor control in automated systems.
High Signal Accuracy: Provides clear and stable pulse feedback for precision motor regulation.
Enhanced Noise Immunity: Advanced filtering reduces electrical interference from heavy industrial machinery.
Full Electrical Isolation: Protects sensitive drive control circuits from transient voltage or signal spikes.
Compact and Modular Design: Space-saving structure simplifies installation and maintenance.
Durable and Reliable: Built to perform in harsh industrial environments for extended service life.
Broad Compatibility: Supports various encoder signal types for diverse drive control applications.
Fast Response Time: Optimized circuitry ensures minimal delay in pulse signal processing.
Low Maintenance Requirement: Designed for long-term operation with minimal servicing needs.
Brand: ABB
Series: DCS Drive Control System Series (DCS 500 / DCS 600)
| Model | Product Type | Main Function | Supply Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SDCS-PIN-3 | Pulse Interface Module | Encoder signal interface for DCS drives | 24 V DC | 115 × 65 × 22 | 0.27 |
| SDCS-PIN-21 | Pulse Interface Module | Standard encoder interface version | 24 V DC | 110 × 65 × 22 | 0.25 |
| SDCS-PIN-22 | Pulse Interface Module | Dual encoder input and isolation version | 24 V DC | 110 × 65 × 22 | 0.26 |
| SDCS-FEX-2 | Fiber Extension Board | Fiber optic communication module | 24 V DC | 130 × 90 × 20 | 0.35 |
| SDCS-IOB-23 | I/O Expansion Module | Provides analog and digital I/O connections | 24 V DC | 150 × 100 × 25 | 0.38 |
| Model | Product Type | Application | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| ACS580-01-046A-4 | AC Drive | General-purpose variable-speed control | 400 V AC | 370 × 203 × 200 | 8.2 |
| DCS800-S02-0050-05 | DC Drive | Heavy-duty industrial motor control | 500 V DC | 425 × 270 × 190 | 12.5 |
| ACS880-01-145A-3 | Industrial Drive | Advanced torque and process control | 400 V AC | 540 × 270 × 245 | 15.0 |
| ACS355-03E-07A3-4 | Compact Drive | Light-industrial automation systems | 400 V AC | 125 × 70 × 130 | 1.2 |
| ACS150-03E-02A4-4 | Micro Drive | Small machine and fan control | 400 V AC | 98 × 70 × 120 | 1.0 |
Q1: What is the function of the SDCS-PIN-3A module?
A1: It converts encoder or tachometer signals into drive-readable feedback pulses for precise motor speed and position control.
Q2: What is the difference between the SDCS-PIN-3A and SDCS-PIN-3?
A2: The SDCS-PIN-3A has improved signal filtering, better thermal performance, and wider encoder compatibility.
Q3: Which ABB drives are compatible with this module?
A3: It is mainly used with ABB DCS 500 and DCS 600 drive systems.
Q4: What is the operating voltage for this module?
A4: It operates on 24 V DC (±10%).
Q5: Can it handle high-frequency encoder signals?
A5: Yes, it supports input frequencies up to 500 kHz.
Q6: Does the module provide isolation between circuits?
A6: Yes, full galvanic isolation is implemented between input and logic sections.
Q7: How is the SDCS-PIN-3A installed?
A7: It is a plug-in type module designed for direct installation into the drive rack.
Q8: Is it hot-swappable?
A8: No, the drive must be powered down before module insertion or removal.
Q9: What kind of maintenance is required?
A9: Regular cleaning, connection checks, and signal verification ensure optimal performance.
Q10: How long is its expected operational life?
A10: Under normal industrial conditions, it can last more than 10 years.
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All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
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We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
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Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
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24-hour after-sales service guarantee team, professional and standardized management service system.