10300-11200

10300-11200

10300-11200

10300-11200

10300-11200

10300-11200

用这种不断地重复运行程序实现控制称扫描方式。是用计算机进行实时控制的一种方式。此外，计算机用于控制还有中断方式。在中断方式下，需处理的控制先申请中断，被响应后正运行的程序停止运行，转而去处理中断工作（运行有关中断服务程序）。待处理完中断，又返回运行原来程序。哪个控制需要处理，哪个就去申请中断。哪个不需处理，将不被理睬。显然，中断方式与扫描方式是不同的。

ALLEN BRADLEY 1745-E107  1745E107
Allen Bradley 1738-AENTR /A PKG 2011 ArmorPoint EtherNet/IP Adapter
ALLEN BRADLEY 1734-OB8S -FS- 1734OB8S
ALLEN BRADLEY 1734-DIB8XOB8ES USPP 1734DIB8XOB8ES
ALLEN BRADLEY 1734-DIB8XOB8E USPP 1734DIB8XOB8E
Allen Bradley 1734-AENTR /A 2-Port EtherNet/IP Media I/O Adapter 2010 QTY
Allen Bradley 1734-AENTR /A 2-Port EtherNet/IP Media I/O Adapter
ALLEN BRADLEY 1734-ACNR  1734ACNR
ALLEN BRADLEY 1732D-16CFGM12M12 NSFP 1732D16CFGM12M12
ALLEN BRADLEY 1492-CABLE050Y NSPP 1492CABLE050Y
ALLEN BRADLEY 1492-CABLE050Y NSFP 1492CABLE050Y
ALLEN BRADLEY 1492-CABLE050WN NSFP 1492CABLE050WN
ALLEN BRADLEY 1492-CABLE050TBCH NSFP 1492CABLE050TBCH
ALLEN BRADLEY 1492-CABLE050R NSFP 1492CABLE050R
ALLEN BRADLEY 1492-CABLE050N3 FNFP 1492CABLE050N3
ALLEN BRADLEY 1492-CABLE050J NSFP 1492CABLE050J
ALLEN BRADLEY 1492-CABLE025WN NSFP 1492CABLE025WN
ALLEN BRADLEY 1492-CABLE025R NSFP 1492CABLE025R
Allen Bradley 1336 Plus II AC Drive Program Terminal 1201-HJ2 1203-GK1 Cable
ALLEN BRADLEY 1300-GTWY USPP 1300GTWY
ALLEN BRADLEY 13  RACK PLC SLC 5/04 CPU  I/O MODULES 194
ALLEN BRADLEY 13  RACK PLC SLC 5/04 CPU  I/O MODULES 193
ALLEN BRADLEY 13  RACK PLC SLC 5/04 CPU  I/O MODULES 192
ALLEN BRADLEY 13  RACK PLC SLC 5/04 CPU  I/O MODULES 169
ALLEN BRADLEY 13  RACK PLC SLC 5/04 CPU  I/O MODULES 166
Allen Bradley 1203-GD1 COMMUNICATION MODULE I/O SINGLE
ALLEN BRADLEY 12 BIT ANALOG INPUT MODULE CAT 1771-IFE A
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 197
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 196
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 191
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 190
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 185
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 184
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 183
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 182
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 181
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 180
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 179
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 178
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 177
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 176
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 174
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 173
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 172
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 171
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 170
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 167
ALLEN BRADLEY 10  RACK PLC SLC 5/04 CPU  I/O MODULES 165
Allen Bradley "1771-ASB C" Remote I/O Adapter Module
ALLEN BARDLE 1771-ARC REMOTE I/O ADAPTER MODULE
Allen  Heath MixWizard3 WZ3:20S Mixer B-Stock  Mix Wizard WZ320S
Allen  Heath iLIVE-80 20 Fader Control Surface Mixer
Allen  Heath iLIVE-176 44 Fader Control Surface Mixer
Allen  Heath iLIVE-144 36 Fader Control Surface Mixer
Allen  Heath iLIVE-112 28 Fader Control Surface
Allen  Heath iLive EtherSound Audio Network Option
Allen  Heath iDr10 Top of the Line Modular Mix Rack
Allen  Heath GLD-80 Digital Mixer
Allen  Heath GLD-80 20 Fader Digital Mixer with 8 inputs and 8 outputs
Allen  Heath GL2400-32 GL240032 NYC PROAUDIOSTAR
Allen  Heath GL2400-32- gl240032 32ch PROAUDIOSTAR
Allen  Heath GL2400-16 gl240016 PROAUDIOSTAR
Allan Bradley Input Module 1771-IFE
Allan Bradley DC Input Module 1771-IB
Allan Bradley ASCII I/O Module
ALESIS HIGH DEF DRUM MODULE W/DYNAMIC AR DM10
ALESIS DM7 USB KIT 5-DRUM 3-CYMBAL USB ELECTRONIC DRUM
Alesis DM10 Pro Kit Professional Electronic Drumset with ' RealHead Drum
Alesis DM10 Pro Kit Professional Electronic Drumset
ALESIS DM10 HIGH DEFINITION DRUM MODULE
ALESIS DM10 DM-10 PRO KIT ELECTRONIC DRUM SET
ALESIS DM10 DM-10 PRO KIT ELECTRONIC DRUM KIT
ALCATEL TL2005.61622A/ 10464-419 OPTIC FIBER
Alcatel Lucent 3HE00020AB 7750 SR 20G I/O Module  90
Alcatel 7750 3HE03619AA SR 50G I/O Module 3-XP
Alcatel 7450 ESS 20 Gbps I/O Module 3HE00229AB
ALCATEL 3CN00014AAAA/ A1911 SDH TX OPTRONICS
AKAI EWI4000s ELECTRONIC WIND CONTROLLER INCLUDES ELECTRONIC VALVE FOR BRASS
AKAI EIE Pro ElectroMusic Interface Expander USB 2.0 24-bit Extended
Ajinextek AXT BPHR Rev B1.0 2 x SMC-2V01 SMC-2V02 4 Axis Motion DIO AIO COM
AJA KONA LHe 102035-03 Video I/O HD/SD PCI-e Editing Capture Card  Module 19"
AJ751A HP MSA2000 Drive Enclosure I/O Module 481342-001
AJ751A HP MSA2000 Drive Enclosure I/O Module 481342-001
AJ72P25 Mitsubishi PLC Remote Optic Data Link
AJ65SBTCF1-32D Mitsubishi PLC AJ65SBTCF132D
AJ65SBTB3-16D Mitsubishi PLC AJ65SBTB316D
AJ65BT-D62 Mitsubishi PLC AJ65BTD62
AJ55TB32-16DR Mitsubishi PLC Remote I/O AJ55TB3216DR
AJ55TB2-16R Mitsubishi PLC Remote I/O AJ55TB216R
AJ35TB1-16D Mitsubishi PLC 16 Point Net/Mini Output AJ35TB116D
AIR-WLC4404-100-K9 4400 SER. WLAN CONTROLLER UPTO 100 LW APS WARANTY
AIR-WLC2106-K9 2100 SER. WLAN CONTROLLER UPTO 6 LIGHTWEIGHT APS
AIR-WLC2106-K9 2100 SER. WLAN CONTROLLER UPTO 6 LIGHTWEIGHT APS
AIR-PWRINJ-BLR1 CISCO AIRONET 1400 BRIDGE POWER INJECTOR LR
AIR-PWRINJ4 POWER INJECTOR 1140 / 1250 SERIES; SPARE
AIR-LAP1522AG-A-K9 802.11A CISCO B/G OUTDOOR MESH AP FCC CFG
AIR-LAP1522AG-A-K9 802.11A CISCO B/G OUTDOOR MESH AP FCC CFG
AIR-LAP1510AG-A-K9 ACCESS POINT CISCO AIRONET 1510 LT WT OUTDOOR MESH AP W/N CO
AIR-LAP1252G-A-K9 CISCO ACCESS POINT 802.11G/N-D2.0 2.4-GHZ MOD UNIFIED AP; 3 R
AIR-LAP1252G-A-K9 CISCO ACCESS POINT 802.11G/N-D2.0 2.4-GHZ MOD UNIFIED AP; 3 R
AIR-LAP1142N-N-K9 CISCO ACCESS POINT 802.11A/G/N FIXED UNIFIED AP; INT ANT;
AIR-LAP1142N-N-K9 CISCO ACCESS POINT 802.11A/G/N FIXED UNIFIED AP; INT ANT;
AIR-LAP1142N-A-K9 CISCO ACCESS POINT 802.11A/G/N FIXED UNIFIED AP; INT ANT; A RE
AIR-LAP1142N-A-K9 CISCO ACCESS POINT 802.11A/G/N FIXED UNIFIED AP; INT ANT; A RE
AIR-LAP1141N-A-K9 ACCESS POINT 802.11G/N FIXED UNIFIED W/ INT ANT
AIR-LAP1141N-A-K9 ACCESS POINT 802.11G/N FIXED UNIFIED W/ INT ANT
AIR-CT5508-50-K9 CISCO 5508 Series Controller
AIR-CT5508-50-K9 CISCO 5508 Series Controller
AIR-CT5508-25-K9  Cisco 5508 Wireless Controller W/25 APS
AIR-CT5508-25-K9  Cisco 5508 Wireless Controller W/25 APS
AIR-CT5508-12-K9 CISCO Cisco 5508 Wireless Controller WITH 12 APS
AIR-CT2504-25-K9 CISCO 2504 wlan controller with 25 ap
AIR-CAP3502E-A-K9 CISCO 3500e series access points 1YR - ASK 4 QTY
AIR-CAP3502E-A-K9 CISCO 3500e series access points 1YR - ASK 4 QTY
AIR-BR1310G-A-K9 Cisco Aironet 1310 Outdoor Access Point/Bridge
AIR-BR1310G-A-K9 Cisco Aironet 1310 Outdoor Access Point/Bridge
AIR-AP1232AG-N-K9 Access Point 802.11A/G DUAL RADIO IOS AP NON-FCC CNFG
AIR-AP1232AG-N-K9 Access Point 802.11A/G DUAL RADIO IOS AP NON-FCC CNFG
AIR-AP1131AG-A-K9 CISCO ACCESS POINT 802.11A .11G AP INT RADIOS ANTS FCC
AIR-AP1121G-A-K9 Access Point 802.11G AP SINGLE MPCI RADIO INT ANT
AIR-AP1120B-A-K9 Access Point w/1YR  AIRAP1120BAK9
AIR-AP1041N-A-K9 CISCO ACCESS POINT 11GN FIXED W/INT ANT A REG DOMAIN
AIR-AP1041N-A-K9 CISCO ACCESS POINT 11GN FIXED W/INT ANT A REG DOMAIN
AIR-ANTM2050D-R  DUALBAND DIPOLE ANTENNA 2.2DBI/2.4GHZ5.0DBI/5GHZ
AIR-ANTM2050D-R  DUALBAND DIPOLE ANTENNA 2.2DBI/2.4GHZ5.0DBI/5GHZ
AIR-ANT5959 OMNI CEILING ANTENNA W/ RP-TNC CONNECT 2.4 GHZ 2 DBI DIVERS.
AIR-ANT2455V-N 2.4 GHZ 5.5 DBI OMNI ANTENNA WITH N CONNECT
AIR-ANT2455V-N 2.4 GHZ 5.5 DBI OMNI ANTENNA WITH N CONNECT
AIM-*/SSL-1 CISCO DES/3DES/AES/SSL * ENCRYPTION/COMPRESSION MODULE
AIM-*/HPII DES/3DES/AES * ENC./COMP. MODULE FOR 3660/3745
AIM-*/HP DES/3DES * MODULE FOR CISCO 3660/3745
AIM-*/EPII DES/3DES/AES * ENC./COMP. MODULE FOR CISCO 2691/3725
AIM-ATM-4T1/E1 ATM T1/E1 IMA BUNDLE AIM-ATM AND 2 VWIC2-2MFT-T1/E1
AIM-ATM-4T1/E1 ATM T1/E1 IMA BUNDLE AIM-ATM AND 2 VWIC2-2MFT-T1/E1
AIM-ATM-4E1 CISCO EXPANSION MODUEL
AIM-ATM-4E1 CISCO EXPANSION MODUEL
AIM-ATM-1E1 CISCO ATM E1 MODULE  FREE 1 YEAR
AIM-ATM-1E1 CISCO ATM E1 MODULE  FREE 1 YEAR
AIC Barebones IU Server PSG Max i/o Aquila 3Y YH-8451B 450W
Agilent-HP 3499A 5- Switch/Control Mainframe
Agilent/HP N2263A 32 bit Digital I/O module for 3499A/B/C
Agilent N5306A-A16 Analyzer for PCIe 1.0 and 2.0
AGILENT N2269A DAC 16-BIT DIG I/O MULTIFUNTION MODULE
Agilent N2263A 32-Bit I/O Module for HP 3499A
Agilent E5515C 8960 Series 10 Wireless Com Test Set WCDMA GSM/GPRS
Agilent E2251A M Module Carrier in the Box
Agilent CertiPrime N5306A-A08 Protocal Anaylzer for PCIe 1.0 and 2.0
Agilent / HP E6237A VXI Pentium Real-Time Controller LynxOS/166 MHz  Opt 002
AEG AS-B872-200 ASB872200 Output Module
ADVANTECH BAS-2014 14 CHANNEL I/O EXPANSION MODULE
Advantech ADAM-6015 Remote I/O Ethernet Module
ADVANCED MOTION SB1391-C-R-C-A NSPP SB1391CRCA
ADVANCED MICRO CONTROLS 3401 NSFP 3401
Advanced Energy SEKIDENKO OR4000T Optical Fiber Thermometer 4 Channels
Advanced Energy AE Sekidenko OR4000T Optical Fiber Thermometer Lower Price
Advanced Energy AE Sekidenko OR4000T Optical Fiber Thermometer Lower Price