组态结果和实时过程数据存储在RAM中,Ethernet 网卡或电池卡上装有RAM
后备电池,可在掉电时保持组态内容及数据。
基本单元PMBO2F特性:
口
4个现场总线接口卡的安装槽位
c
2个Ethernet 网卡的安装槽位
支持现场总线接口卡冗余操作
支持现场总线接口卡带电插拔
基本单元PIB02F 技术指标:
CPU :Intel 80960HT25/75
32位RISC SuperScalar处理器,运算速度150 MIPS
4 MB FLASH-EPROM
EEPROM,serial, 16 Kbit
o
RAM 8 MB (具错校验纠正功能, ABB 专利)
16 K内部高速缓存( CPU cache RAM )
RAM后备电池(matchdog, 可选冗余)
设备内部温度监视
Watchdog
I/0扫擂周期:可组态选择。
处理1000条IL(指令)所器时间:
< 1.0 ms (处理二进制和16位算术指令)
<2ms(处理定点算术指令)
< 1.5ms (处理32位浮点算术指令)
Bthernet网卡EI801F/EI802F/EI803F
工业以太网(Ethernet) 网卡提供与系统网络DigiNet s (IEE802.3 以太网标准)之间的通讯
接口。
has CE standards
Annals.
Industrial “DCS system design purpose: the most economical engineering investment and the most powerful control function.
Industria1 “five features of DCS system:
1、 The comprehensive control system integrates DCS & PLC & field bus;
2、 RISC superscalar high-speed CPU with super performance;
3. High reliability, strict industrial application practice, and application performance of more than 1000 sets in China;
4、 Good openness, flexibility and expansibility;
5、 Easy engineering, friendly interface and simple maintenance;
2. Industria1 “system communication
Industrial ial “the system uses the international standard industrial