1746-FIO4V產(chǎn)品功能
設(shè)置程序運(yùn)行監(jiān)視系統(tǒng)(WDT)
利用CPU內(nèi)部的WDT可以實(shí)現(xiàn)系統(tǒng)定時(shí)復(fù)位。在程序正常運(yùn)行時(shí),每隔一段時(shí)間對(duì)WDT清零。一旦程序運(yùn)行不正常,沒(méi)有及時(shí)給WDT送清零信號(hào),則在WDT計(jì)數(shù)溢出時(shí)自動(dòng)將系統(tǒng)復(fù)位。所使用的西門(mén)子公司生產(chǎn)的C504單片機(jī)的WDT溢出時(shí)間可人為設(shè)定。若晶振用12MHz,其可選時(shí)間為512μs~11s。本系統(tǒng)設(shè)計(jì)溢出時(shí)間為7ms。
34采用軟件濾波
被測(cè)信號(hào)的抗干擾可以采用“軟件濾波”的方法解決。常用的有:算術(shù)平均值法,比較取舍法,中值法,一階遞推數(shù)字濾波法。本系統(tǒng)采用的是比較取舍法。
1746-FIO4V
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1746-FIO4V參數(shù)規(guī)格
Alvarion ComMATCH 820281 89-854-020 TLV121AA TP-610
LINXS TELECT 026-2429-0160 LIGTHWAVE X-CONNECT SYSTEM
LOT OF 2500 FAIRCHILD SEMICONDUCTOR FDS6680A NEW
RADWARE 19238019 DefensePro 10016 ODS3-S1/2CPU/2U 8GB
CATAPULT i3000 TEKELEC 977-1011-01 977-2005-03 977-2003
4 X APC MasterSwitch Distribution Unit AP9212 W/AP9606
GENCOBOT 4/3L 3LA0140 GENMARK 676 WAFER TRANSFER ROBOT
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ZARAK ABACUS BULK CALL SIMULATOR GENERATOR 82-00011
HP STORAGEWORKS MSL6000 LIBRARY 331558-001
Alvarion Walkair BS-BU BU-BS 3.5GHz 400401 PSL 4.84
BOSCH MODEL: TYK 9C W-NR 892 CAMERA
VAT VACUUM GATE VALUE AND MORE LOOK INSIDE!
RAD ACE3800 ACE-3800 CHASSIS W/FAN PS BOARD
60-0000212-01 SP471-1A Cherokee Power Supply FH2G
ROHDE & SCHWARZ 2 WAY Coaxial Switch BS-403 482.4615.02
SANRAD V-SWITCH 3000 ISCSI V SWITCH
APPLIED MATERIALS 0100-00572 GAS PANEL DISTRIBUITON
LOT OF 3 RADGUARD clPro-3000 clPro-2500 clPro-CA
Allen Bradley 6181-EPEDBCZZN POWER IS UP!
METRA 1010 BT MLOLOBT-COS-E 610-0025-000
StorageTek 3100213002 STK L20 library 10 slots RM LVD
LOT OF 4 Aera FC-D980C Mass Flow Controller
RAD MP2200B/E/48 PN: 7645170000-A WITH MODULES
Radware AX-SD5 AppXcel16000/150KCEC 2FE 3G+41G 19151096
Harmonic DVB ProView PVR 4000 MPEG2 Receiver Decoder
CTI-Cryogenics PN: 8033167 CRYO-TORR 8 VACUUM PUMP
ANRITSU ML422C Selective Level Meter M21237
1746-FIO4V