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1. Field Instrumentation

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1. Field Instrumentation 2. Remote Station 3. Communication Network 4. Central Monitoring Station (CMS) – PowerPoint PPT presentation

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Title: 1. Field Instrumentation


1
??????????????????
1. Field Instrumentation 2. Remote Station 3.
Communication Network 4. Central Monitoring
Station (CMS)
2
??????????????????
1. Field Instrumentation
?????????????? ??????????????????????????????????
??????????????????????????????????????????
??????????????????? Physical Parameter ???? Fluid
Flow ,Velocity,Fluid Level ??????? Electrical
Signal ???? Voltage ???? Current
??????????????????????????????? Remote Station
Equipment ???????????????????????? Analog ???
Digital
3
??????????????????
2. Remote Station
?????????????????????????????????????????????????
???? ???????????????????????? SCADA ?????????????
Remote Terminal Unit (RTU)???? Programmable Logic
Controller (PLC) ????? RTU ??? ???????????????????
???????????? Field Sensor ??????????????????????
Controller ?????? ???????
4
??????????????????
2. Remote Station
Remote Station ???????? 2 ????????? 2.1 Single
Board input ??? output ???? Fixed Nmber
??????????????????????????????????????????????????
???? 2.2 Modular Board ???????????????????
Remote Station ??? ??????????????????
5
??????????????????
3. Communication Network
?????????????????????????????????????????????????
?????????? ???????????????????????????????? ????
????????? ??????????
6
??????????????????
4. Central Monitoring Station (CMS)
???????????????????? SCADA ??????????????????????
????????????????????????????????????????
?????????? ????????? ??? ?????????
7
??????????????????
4. Central Monitoring Station (CMS)
??????????????????????? Multitasking ???
??????????? a. ???????????????????????????????????
b. ???????????????????????? c.
???????????????????????????????????? d.
???????????????????????????????????? e. ????????
?????????? ???????????? f. ?????????????????????
???????????? g. ????????????????????????????????
8
???????????????????
?????????????????? SCADA ????????????????????????
??????????????????? ??? ???? SCADA
??????????????????????????????????
??????????????????????????????????????????????????
??????????? ??????????????????????????????????????
?????????????? ???? ?????????? microwave
???????????????????????
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