D20ME是D20的第六代主处理器平台。这个32位主处理器模块处理数据收集和发送到主机,运行本地自动化算法和维护系统中的/O和设备数据数据库。CPU和内存
●32位微处理器架构
●2mb冈存应用程序内存
●1.5 MB内存.
●512kb nvram
●1 MB BootROM
●TCXO时钟,1.0 ms分辨率,精确到+2 ppm通信
●7个RS-232/485串口
●RS-232维护接口
●2个D.20 Link HDLC接口,用于与D20 /O模块通信
●无线以太网准备与PPP/TCP/IP自我诊断
●程序内存校验和
●RAM测试
●配置验证
●中断控制器验证
●串口测试
●看门狗和电源监视器
●I/O模块健康检查
●错误记录器
D20ME is the sixth generation main processor platform of D20. This 32-bit main processor module handles data collection and sending to the host, runs local automation algorithms, and maintains the/O and device data databases in the system. CPU and memory
32-bit microprocessor architecture
● 2mb flash application memory
1.5 MB of memory
512kb nvram
1 MB BootROM
TCXO clock, 1.0 ms resolution, accurate to+2 ppm communication
7 RS-232/485 serial ports
● RS-232 maintenance interface
● Two D.20 Link HDLC interfaces for communication with D20/O modules
● Wireless Ethernet preparation and PPP/TCP/IP self diagnosis
● Program memory checksum
● RAM testing
● Configuration verification
● Interrupt controller verification
● Serial port testing
● Watchdog and power monitor
● I/O module health check
● Error recorder
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