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针对电力系统智能设备应用，推出了新一代智能电气设备开发平台-DG850/i60x。
该平台采用了ADI公司最新发布的Blackfin 60x系列双核DSP构建的新一代演示开发套件，其结构设计最大程度的考虑到目前电力系统内中、低压智能设备的迫切应用需求，将测量、继保及IEC61850通讯设计统筹考虑，兼顾经济性，提供了典型的双核芯片级综合解决方案，是电力二次智能设备制造商理想的参考案例，降低新产品开发风险和提高产品投放市场的速度。
- 主要特色
> 双核DSP智能电网IED典型高性价比原型设计
> 针对智能电网主流智能设备的应用需求，提供了完整的继电保护、测控及IEC61850一体化功能演示及设计参考
> 丰富的软、硬件设计参考资料，有利于厂商提升自主产品开发能力，提升开发效率，降低产品开发风险，加快产品开发周期
> 理论结合实践，全面阐述了IEC61850标准在设备级上的开发应用过程
- 产品功能
> 全球第一款基于双核高性能DSP(Core#1、Core#2)结构设计，2 x 500Mhz主频，并发多任务运行处理方式
> Core#1实现基于uCLinux Kernel 3.3嵌入式任务，Core#2实现各类实时任务
> 支持完整的IEC61850 MMS功能应用
> 支持多网口GOOSE硬实时发布
> 支持IRIG-B校时功能
> 支持1路带隔离RS485外部通讯接口
> 4路独立MAC地址的10/100M以太网接口，可分别支持IEC61850 MMS/GOOSE
> 可支持IEEE1588 v1/v2 PTP扩展
> 支持8通道DI(状态量输入)和8通道DO(状态量输出)功能
> 支持16通道AC采样，最高精度可达0.2级
- 产品参数
> 处理器：ADI BF609双核DSP，单核主频500MHz
> RAM：128M DDR2，最高支持256M
> NOR FLASH：16M，最高支持64M
> SPI FLASH：4M
> 16通道16位高速AC同步采样，采样速率可达200KSPS
> 1xIRIG-B码对时
> 1xRS232接口(可跳线选择RS232转USB接口)
> 1xRS485接口
> 1xCAN总线接口
> 240*128点阵液晶显示
> 4*4矩阵键盘接口
- 硬件结构设计拓扑图
- 系统结构逻辑拓扑图
- 开发平台ADI器件列表
| Part Number | Description | Key Features | Benefit |
Processor | ADSP-BF60x | Dual Core Blackfin DSP | 400/500MHz dual core processor, 2X 148kB L2 SRAM, 128/256kB SRAM, system bus crossbar, dual Ethernet MAC with IEEE1588 | High performance dual core processor with dual IEEE1588 Ethernet |
ADC | AD7606 | 8-ch, 16bits simultaneous ADC | True bipolar analog input ranges: ±10 V, ±5 V, Single 5V Analog Supply, 2.3 V to +5V VDRIVE, 1MΩ Analog Input Impedance, Analog Input Clamp Protection | 8 channels simultaneous sampling AFE with single 5V supply |
Voltage Reference | ADR421B | Voltage Reference | Init. Accuracy <= 0.05% with drift <= 3ppm/˚C, high output current: 10 mA, different output voltage option 2.5V, low noise (0.1 Hz to 10.0 Hz): 1.75 µV p-p @ 2.5 V output | High performance (3ppm), high output current: 10 mA |
Amplifier | AD8275 | Difference OPAMP | Fixed Gain = 0.2, +/-10V to 0~4V Level Translation with single supply, 1 ppm/°C gain drift, 80dB CMRR, +40 V to −35 V OVP with single 5V supply, Rail-to-rail output | +/-10V to 0~4V Level Translation with single 5V supply, 16bits ADC driver |
Interface | ADuM2587E | Isolated RS-485/RS-422 transceiver | Half or Full duplex, 500kbps, 5V or 3.3V operation, 3 in 1 (power isolation, signal isolation and RS485 driver) | RS485 with integrated isolated DC-to-DC converter. +/-15kV ESD protection |
ADM3053 | Isolated CAN transceiver | Signal and power isolated CAN transceiver, Complies with ISO 11898 Standard, High Speed Data Rates up to 1Mbps, 3 in 1 (power isolation, signal isolation and CAN transceiver) | CAN bus interface with Integrated isolated DC-to-DC | |
Power Management | ADP7104 | LDO | 500mA output current, Vin up to 20V, PSRR performance of 60 dB at 10 kHz when VOUT = 3.3 V, Initial accuracy: ±0.8%, Reverse current protection | LDO which can be used as the power supply sourced from AC/DC to a 16 bits above analog system |
ADP2384 | 20 V, 4 A, Synchronous, | Input voltage: 4.5 V to 20 V, Integrated MOSFET: 44 mΩ/11.6 mΩ , Continuous output current: 4 A, 180° out-of-phase clock synchronization, | High efficiency 4A DC/DC regulator with Integrated MOSFET | |
ADM13305 | Dual Processor power supply supervisors | Dual supervisory circuits with pretrimmed threshold options: 1.8 V, 2.5 V, 3.3 V, and 5V, watchdog integrated, maximum supply current of 40 μA | Dual Processor power supply supervisors with watchdog |
