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SERCON816
SERCON816
| Part Number | SERCON816 |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) > Interface – Industrial Bus Controllers / SERCOS Interface ICs |
| Description | SERCOS II Real-Time Optical Bus Interface Controller, High-Speed Motion Control Communication IC, PQFP-100 Package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
SERCON816 is STMicroelectronics single-chip SERCOS bus controller for CNC and multi-axis motion control. It integrates hardware protocol acceleration and 2048×16 dual-port RAM, supporting up to 16 Mbaud transmission without extra peripheral circuits. Compatible with Intel/Motorola timing and legacy SERCON410B, this PQFP-100 chip works at -40℃~+85℃ and supports fiber & RS-485 full-duplex interfaces.
Core Advantages
Wide Industrial Temperature Range
-40℃ to +85℃, stable operation for harsh workshop environments.
Dual-Port RAM & DMA Support
2048×16-bit internal memory, dual-buffer DMA transmission with flexible RAM mapping.
Hardware SERCOS Acceleration
Auto process sync/async telegrams, master-slave mode, cycle range 62.5μs~65ms.
Dual Full-Duplex Interface
Fiber optic + RS-485, built-in signal regenerator and loop repeater.
Strong Compatibility
8/16-bit bus width optional, backward compatible with SERCON410B for easy equipment upgrade.
Key Specifications
| Brand | STMicroelectronics SERCOS Motion Control Series |
|---|---|
| RoHS Status | RoHS Compliant / Standard Industrial Options Available |
| EDA/CAD Model | Schematic symbols, 3D CAD step profiles and PQFP-100 footprint land patterns are available on request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | PQFP-100 (14×20×2.7mm) |
| Mounting Type | Surface Mount (SMT / SMD) |
| Surface Marking / Silkscreen | SERCON816 Marking |
| Protocol Supported | SERCOS interface (IEC 61491) Real-Time Motion Bus |
| Maximum Serial Baud Rate | Up to 16 Mbaud (Built-in clock recovery, no extra peripheral circuit) |
| Data Bus Width | 8-bit or 16-bit optional, support Intel/Motorola control timing |
| Internal Memory | 2048 × 16 bits dual-port RAM |
| Clock Input | MCLK (Frame processing): 12–64 MHz; SCLK (Serial clock): Max 64 MHz |
| Typical / Max Power Consumption | Typical 850 mW (16 Mbaud, MCLK=64MHz), Max 1000 mW |
| Interface Expansion | Support optical fiber, RS-485 bus, full-duplex |
| Operating Voltage (VCC) | 4.75V ~ 5.25V (Typical 5V) |
| Operating Temperature Range | -40°C to +85°C (Industrial Grade Specification) |
| Communication Cycle Range | 62.5μs ~ 65ms |
| Built-in Functions | Signal regenerator, loop repeater, optical power modulation, watchdog timer |
| Compatibility | SERCON410B compatible mode for legacy system upgrade |
| Transmission Mode | Synchronous & Asynchronous telegram automatic processing, master-slave dual mode |
| Transmission Buffer | Dual buffer transmission with DMA, flexible RAM mapping |
Typical Applications
- Computer Numerical Control (CNC) multi-axis machine tools and precision laser cutting beds
- Digital AC servo drives, multi-axis motion control cards, and intelligent motor amplifiers
- Industrial robotics, articulated arm controllers, and automated pick-and-place systems
- Packaging machinery, high-speed printing presses, and web handling automation units
- Factory automation master controllers, PLC motion modules, and optical bus gateways
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What primary role does the SERCON816 play in a SERCOS motion control network?
A: It is a dedicated SERCOS bus hardware controller, handling optical data transmission, ring synchronization and cyclic data buffer management between main control DSP and optical transceiver modules.
Q2: What serial baud rates are supported by SERCON816?
A: Max transmission rate reaches 16 Mbaud, compatible with lower baud rates for old automation equipment renovation.
Q3: Can SERCON816 work as master and slave on SERCOS ring?
A: Yes, master/slave working mode can be switched by internal register configuration.
Q4: What clock frequency range does the chip support?
A: MCLK for frame processing ranges 12–64 MHz; the maximum serial clock SCLK is 64 MHz to guarantee stable high-speed communication.
Q5: Is SERCON816 compatible with the old SERCON410B chip?
A: It reserves SERCON410B compatible mode to cut hardware upgrade costs of legacy devices.
Q6: What operating temperature range does this IC support?
A: Industrial grade range from -40℃ to +85℃, stable operation under harsh factory workshop environments.
Q7: What communication interfaces are integrated on SERCON816?
A: Dual full-duplex interfaces including optical fiber and RS-485, built-in signal regenerator and loop repeater inside the chip.
Q8: Does SERCON816 support DMA data transmission?
A: Yes, it comes with 2048×16-bit dual-port RAM, supporting dual-buffer DMA transmission and flexible RAM area mapping.
Q9: What package form is SERCON816 supplied in?
A: PQFP-100 package with dimension 14×20×2.7mm, standard SMT surface mount design.
Q10: Can I get free samples of SERCON816 for testing?
A: Sample supply is available, fill in the inquiry form with your project details, and our sales team will confirm sample quantity and delivery time for you.
Q11: What typical industrial equipment uses SERCON816?
A: Widely used on CNC machine tools, multi-axis servo controllers, industrial robots, packaging and printing automation equipment.
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