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The SDCS‑REB‑1 is an interface and routing board for ABB’s DCS drive systems. Its primary role is to route firing pulses from upstream interface boards (e.g., PIN‑51) to downstream thyristor driver boards (e.g., PIN‑48) in both forward and reverse bridge configurations. It ensures timing accuracy, signal integrity, and simplified wiring for large industrial DC drives.
The board is designed to be modular, plug-in, and durable in industrial environments, supporting reliable operations under vibration, temperature fluctuations, and electrical noise. Its compact design fits within the converter electronics stack, making maintenance and replacement straightforward.
| Parameter | Specification |
|---|---|
| Model | SDCS‑REB‑1 (3ADT1154914R0001) |
| Product Type | Interface / Routing Board |
| Primary Function | Route firing pulses to bridge driver modules for forward/reverse operation |
| Typical Signal Inputs | Firing pulses and direction logic signals (SR1/SR2) |
| Typical Signal Outputs | Firing outputs to driver boards (PIN‑48, PIN‑41) |
| Operating Temperature | –20 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Relative Humidity | Up to 95% non‑condensing |
| Mounting | Plug-in card in converter rack |
| Dimensions (L × W × H) | 254 × 25 × 248 mm |
| Weight | 0.4 kg |
| Compatibility | ABB DCS500/DCS600 converters; DCS800 rebuild kits |
| Notes | Not hot-swappable; power must be removed before replacement |
The SDCS‑REB‑1 board receives firing pulses and direction signals and distributes them to the appropriate thyristor driver boards for forward and reverse motor control. It centralizes pulse routing, which reduces wiring complexity and ensures consistent timing across all bridge circuits.
The modular design allows for quick replacement during maintenance, helping to maintain high uptime in industrial drive systems. By handling both the routing of signals and direction logic, the REB‑1 plays a critical role in safe and reliable motor operation.
Heavy industrial DC drives (steel plants, rolling mills, mining operations).
Retrofitting and rebuilding older DCS500/DCS600 drives.
Systems requiring forward and reverse motor control.
Automation systems with modular drive electronics.
Spare parts inventory for reducing downtime in high-power drive systems.
Dedicated routing of firing pulses for forward/reverse control.
Modular plug-in design for easy replacement.
High signal integrity in industrial environments.
Compact footprint for efficient use of space.
Standardized compatibility with DCS drive platforms.
Facilitates maintenance and diagnostics.
Simplifies system wiring and reduces complexity.
Rugged and reliable in harsh environments.
Ensures correct reversing logic.
Contributes directly to system uptime and reliability.
Brand: ABB
Series: DCS Drive Control Series — REB interface/routing boards
| Model | Product Type | Main Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| SDCS‑REB‑2 | Pulse Amplification Board | Routes & duplicates firing pulses for parallel bridges | 254×25×248 | 0.4 |
| SDCS‑REB‑3 | Firing Pulse Routing Board | Additional routing for complex bridges | 254×25×248 | 0.4 |
| SDCS‑PIN‑51 | Measuring Interface Board | Supplies firing pulses upstream of REB‑1 | 100×70×20 | 0.42 |
| SDCS‑PIN‑48 | Power Interface Board | Driver board receiving signals from REB‑1 | 115×65×22 | 0.33 |
| SDCS‑POW‑4 | Power Supply / Interface | Provides auxiliary supply to REB-series boards | 115×65×22 | 0.39 |
| Model | Product Type | Application | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ACS580‑01‑046A‑4 | AC Drive | General variable-speed motor control | 370×203×200 | 8.2 |
| DCS800‑S02‑0050‑05 | DC Drive | Heavy-duty DC motor control | 425×270×190 | 12.5 |
| ACS880‑01‑145A‑3 | Industrial Drive | Precision motion/torque | 540×270×245 | 15.0 |
| ACS355‑03E‑07A3‑4 | Compact Drive | Light industrial automation | 125×70×130 | 1.2 |
| ACS150‑03E‑02A4‑4 | Micro Drive | Small machine/fan/pump control | 98×70×120 | 1.0 |
Q1: What is the SDCS‑REB‑1 used for?
A1: Routing firing pulses from upstream interface boards to bridge driver boards for forward/reverse control.
Q2: Which drives is it compatible with?
A2: ABB DCS500/DCS600 and DCS800 rebuild kits.
Q3: What are its dimensions and weight?
A3: 254 × 25 × 248 mm, 0.4 kg.
Q4: Can it be replaced while powered?
A4: No, it is not hot-swappable.
Q5: What signals does it handle?
A5: Firing pulses and direction signals (SR1/SR2).
Q6: What happens if it fails?
A6: Thyristor firing may fail or mis-fire, potentially causing drive trips.
Q7: Is it suitable for parallel bridge setups?
A7: For parallel bridges, REB‑2 or additional boards may be needed.
Q8: Does it need a separate power supply?
A8: No, it receives power via upstream boards.
Q9: What environments is it designed for?
A9: Industrial environments with vibration, temperature variation, and electrical noise.
Q10: What maintenance is required?
A10: Inspect connectors, verify seating, check cooling, and replace damaged modules promptly.
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