Download - 华东理工大学 自动化系 2007.01
Transcript
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2007.01
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KMM
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FX S7
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TPS PCS7
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>
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,
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220V AC/24V DC140kPa
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,, DCS FCS
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DCS, 4C, TPSPCS 7ECSHollias FCS: , FFProfibusFCS
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> 20~100KPa 0~10mA 4~20mA 1~5V
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R0I0IiRiRiRcmR0 Rcm + nRi R0Rcm Ri
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,
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RiRcmR0U0RcmIiRiRi R0Rcm Ri ,Ri/n R0 + Rcm
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, ,
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> 0(Zone 0) 1(Zone 1) 2(Zone 2)
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MESG()MICRABC t/T1>450 T2450t >200 T3450t >200 t/T4T5135t >100 T6100t >85 200t >135
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ABC(d)(i)(e)(p)(o)(q)(m)(n)iaib
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5 EX di III ABC T1~T6 EXiaIICT5 IIiaBT5
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12 ia0ib12>
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>