描述
使用CPU内置的高速计数器和高速脉冲发生器处理序列脉冲信号
使用部分CPU数字量输入点的硬件中断功能,在中断服务程序中处理;进入中断的延时可以忽略S7-200拥有“直接读输入”和“直接写输出”指令,可以越过程序扫描周期的时间限制,使用部分CPU数字量输入点的“脉冲捕捉”功能捕捉短暂的脉冲。
注意:S7-200系统中最小周期的定时任务为1ms。所有实现快速信号处理的措施,都要考虑所有限制因素的影响。例如,为一个需要毫秒级响应速度的信号选择500μs输出延时的硬件,显然是不合理的。
欧美品牌停产的,常用的“PLC”备品备件
我司产品应用于以下领域:
1,《发电厂DCS监控系统》
2,《智能平钢化炉系统制造》
3,《PLC可编程输送控制系统》
4,《DCS集散控制系统》
5,《智能型消防供水控制系统》
6,《化工厂药液恒流量计算机控制系统》
7,《电气控制系统》造纸,印染生产线,变电站综合自动化控制系列
本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。
Manufacturer P/N Description
Woodward 126443 Communication Cable
Woodward 376104 LSG-10
Woodward 5441689 24/120 I/O
Woodward 1326-183
Woodward 1691-143+B842 Netcon Expansion Chassis
Woodward 1720-707 Panel Switch,SPDT
Woodward 1720-713 Panel Switch,SPDT
Woodward 1720-719 Panel Switch,SPDT
Woodward 1751-147D 4 Ch.MPU Transformer
Woodward 1751-6058B
Woodward 1751-673 extractor,top handle
Woodward 1751-675 extractor,bottom handle
Woodward 1785-655 100 ohm RTD to 0-5 volt converter
Woodward 1790-789 Intel Memory Card 4 MB
Woodward 1790-791
Woodward 1790-9026
Woodward 1803-105
Woodward 1843-325 Digital Meter
Woodward 1886-313 TM25 Torque Motor
Woodward 1887-031
Woodward 3005-510 filter assembly
Woodward 3005-517 filter assembly
Woodward 3052-141 gasket
Woodward 3081-847 CPU Connection
Woodward 31902-02 505 Display
Woodward 3313-055 METERING SLEEVE
Woodward 3462-757
Woodward 3462-757
Woodward 3462-758
Woodward 376-104 LSG-10
Woodward 4199J51 Standard Summe Board
Woodward 5403-535 Cables,501
Woodward 5403-536 Cables,501
Woodward 5403-616 Govenor Cables
Woodward 5403-824 Multipin 8ft cable
Woodward 5403-975 Cable
Woodward 5403-977 Netcon Cables
Woodward 5403-978 Netcon Cables
Woodward 5405-818 Cables,501
Woodward 5405-819 Cables,501
Woodward 5410-995
Woodward 5412-033
Woodward 5415-623 Control Cables
Woodward 5415-625 Control Cables
Woodward 5415-625 Control Cables
Woodward 5415-703 Control Cables
Woodward 5415-737 Control Cables
Woodward 5415-738 Control Cables
Woodward 5415-816 Control Cables
Woodward 5415-851 Netcon Cables
Woodward 5415-852 Netcon Cables
Woodward 5415-856 Control Cables
Woodward 5415-858 Control Cables
Woodward 5415-966 replace by 5416-348
Woodward 5416-190 Cable
Woodward 5416-337 Cable
Woodward 5416-338 Cable
Woodward 5416-338 NetCon Cables
Woodward 5416-339 Cable
Woodward 5416-351 Netcon Cables
Woodward 5416-352 Netcon Cables
Woodward 5417-032 Cable
Woodward 5417-040 MicroNet Cable
Woodward 5417-173 MicroNet Cable
Woodward 5417-175 Cable
Woodward 5417-176 Cable
Woodward 5417-413 Cable
Woodward 5417-417 Cable
Woodward 5421-112
Woodward 5421-123
Woodward 5421-178
Woodward 5430-856 Ext.Card
Woodward 5430-929
Woodward 5432-039
Woodward 5432-157 Seq.Power Module
Woodward 5434-334
Woodward 5437-027 MODULE,CHASSIS ASSY DCS 509 VFD
Woodward 5437-051 Relay Module,32 ch
Woodward 5437-076 NetCon Power Supply
Woodward 5437-077 inactive,r/b 9907-077
Woodward 5437-078 Netcon Main Chassis
Woodward 5437-078 Netcon Main Chassis
Woodward 5437-079 FTM(Field Termination)
Woodward 5437-080 FTM
Woodward 5437-081 Power Supply
Woodward 5437-092 NETCON
Woodward 5437-173 FTM(Field Termination)
Woodward 5437-281 Linknet-FTM Parts
Woodward 5437-282 FTM(Field Termination)
Woodward 5437-283 FTM Modules
Woodward 5437-406 Linknet-FTM Parts