10332-22000

10332-22000

10332-22000

10332-22000

10332-22000

10332-22000

10332-22000

LC的实际工作过程比这里讲的还要复杂一些，分析其基本原理，也还有一些理论问题。有关人员如果能把上面介绍的入出变换、物理实现--信息处理、I/O电路--空间、时间关系--扫描方式并辅以中断方式，作为一种思路加以研究，弄清了它，也就好理解PLC是怎样去实现控制的，也就好把握住PLC基本原理的要点了。至于更深入的问题，在进一步学习中，将再作具体介绍。

6ES7214-1HE30-0XB0 SIMATIC S7-1200 CPU 1214C DC/DC Relay
6ES7214-1BE30-0XB0 SIMATIC S7-1200 CPU 1214C AC/DC Relay
6ES7212-1BD30-0XB0 Simatic S7-1200 Relay
6ES7212-1AD30-0XB0 SIMATIC Simatic S7-1200 Relay
6ES7211-1BD30-0XB0 CPU 1211C Simatic S7
6ES7211-1AD30-0XB0 CPU 1211C Simatic S7
6ES7158-0AD00-0XA0 COUPLER DP/DP DISTRIBUTED I/O
6ES7 132-0HH01-0XB0 MODULE 16RO 120/230VAC 2/4A ET200B
6ES5470-4UA13 SIEMENS NIB 1 YEAR GUARANTEE
6ES5431-7LA11 6ES54317LA11  1 YEAR 
6ES5420-4UA14 Siemens 6ES5-420-4UA14 N13
69Y1909 IBM Brocade Converged 10GbE Switch Module
6947 -No Box Marel MC88-B Control Module
680TVL 592X Power Zoom WDR IP66 Indoor  Outdoor 24V Built-in Fan and Heater
680TVL 592X Power Zoom WDR IP66 Indoor  Outdoor 24V Built-in Fan and Heater
680TVL 592X Power Zoom WDR Indoor  Outdoor 6" Outdoor High Speed Dome Camera
6000 ex VAT Free UK/EU UPS delivery Good condition
600 excluding VAT Free FAST UK delivery
600  VAT FAST Worldwide UPS delivery
60 HP AC Tech Variable Frequency Inverter 400-480 V 3 Phase 77 Amp Made In USA
571956-B21 HP Virtual Connect FlexFabric 10Gb/24-Port 4 c-Class Blade HP RE
5643  Omron C200H-DA002 Analog I/O Module
538113-B21 HP 10GbE Ethernet Pass-Thru Module for c-Class BladeSys 504624-B21
530TVL SONY Original Module 432X WDR   Night 12pcs IR LEDs up to 330ft OSD
530TVL SONY Original Module 432X WDR   Night 12pcs IR LEDs up to 330ft OSD
520VE-EOD Allen Bradley size 4 multi speed contactor 502VEEOD F334
5150-RS 5150RS SERIES A SCANNER NIB 1 YEAR WARANTY
5150-RS 5150-MRS SERIES A  1 YEAR WARANTY
50pcs USB to 2 CH Audio box with line in  out aux in
50pcs USB to 2 CH Audio box with line in  out aux in
507017-B21 HP BLc7000 Enclosure 3Phas 6PS 10Fan license HP RE3yr Warr
505-7038 Texas Instruments/Siemens TI 5057038 R33
505-2555 Texas Instruments/Siemens TI 5052555 R5
501-6955 SUN T2000 I/O MODULE NON-ROHS PKX/NH-B2N5-1C
500-5056 Texas Instruments Siemens TI 32 pt output module 5005056 N170
500-5056 Texas Instruments Siemens TI 32 pt output module 5005056 N110
5 Year Next Business   on All NetApp
5 Year Next Business   on All NetApp
5 Year Next Business   on All NetApp
5 Year Next Business   on All NetApp
5 Year Next Business   on All NetApp
5 Year Next Business   on All NetApp
5 Year Next Business   on All NetApp
5 inch TFT LCD WiFi Laptop Tablet Touchpad MID UMPC
4x LONGLINE GLC-SX-MM for Cisco SFP1000 Base
4X GLC-T for Cisco SFP Gigabit Transceiver 
4PIN ROSENBERG BMW PAS VIDEO INTERFACE
499NES18100 Modicon / Schneider ConneXium 8TX 10/100 Switch 499-NES-181-00
499NES18100 BRAND Modicon ConneXium 8TX 10/100 Switch 499-NES-181-00
48 10/100/1000Base-T WS-C3750X-48T-S
48 10/100/1000Base-T 4 x SFP mini-GBIC 1 x Stacking Module WS-C2960S-48LP
48 10/100/1000Base-T 4 x SFP mini-GBIC 1 x Stacking Module WS-C2960S-48FP
48 10/100/1000Base-T 2 x XFP 1 x Stacking Module WS-C2960S-48TD-L
48 10/100/1000Base-T 2 x XFP 1 x Stacking Module WS-C2960S-48LPD-L
48 10/100/1000Base-T 1 x Stacking Module 2 x XFP WS-C2960S-48FPD-L
46TB of Dell JBOD SAS Storage in Only 2U of Rack-space
46M6181 IBM BladeCenter 10Gb Ethernet Pass-Thru Module 
46M6071 IBM Cisco Nexus 4001I Switch Module 46M6072 
46C7191 IBM BNT VIRTUAL FABRIC 10GB SWITCH MODULE 
455880-B21 HP Virtual Connect Flex-10 Switch C-Class BladeSystem HP RESeald
455880-B21 456095-001 HP VIRTUAL CONNECT 10GB ETHERNET 
451439-B21 HP BLc Cisco Catalyst 1/10GbE 3120X Blade Switch HP Re
44X1921 IBM Brocade 8Gb 10-Port SAN Switch Module 
44X1920 IBM Brocade 8Gb 20-Port San Switch Module 
44X1920 IBM Brocade 8Gb 20-Port San Switch Module 
44W4404 IBM BNT 1/10GB UPLINK ETHERNET SWITCH MODULE 
44W4404 IBM BNT 1/10GB UPLINK ETHERNET SWITCH MODULE
43W4395 Cisco Catalyst Switch Module 3012 for IBM BladeCenter FRU 43W4404
43W3584 IBM BladeCenter S SAS Raid Controller Module
42C1828 IBM Brocade 8Gb Enterprise 20-port San Switch 
42C1828 IBM Brocade 8Gb Enterprise 20-port San Switch 
4200992L1 Adtran NetVanta 5305 Access Router With T3 Wide Module 2 x 10/100B
411085-001 HP DUAL PORT U320 SCSI I/O MODULE FOR MSA30
4100-234 ALLEN BRADLEY IMC S CLASS COMPACT 4 AXIS MOTION CONTROLLER
400 ex VAT WITH 16 x SFP GBICS FAST UPS DELIVERY
400 ex VAT In HP StorageWorks 5300 Tape Array
400 ex VAT Free UK and EU Delivery Good condition
4 x WS-G5486 1000BASE-LX/LH LONG HAUL GBIC FOR CISCO S.MODE OR M.MODE
4 x SFP mini-GBIC 2 x XFP 48 x 10/100/1000Base-T GSM7352S-200NAS
4 x SFP mini-GBIC 2 x XFP 24 x 10/100/1000Base-T GSM7328S-200NAS
3X-KFMHA-AA Add on I/O module for high performance I/
3Ware LSI00251 9750-24i4e SGL SAS 24 int. 4 ext. RAID
3Ware LSI00251 9750-24i4e SGL SAS 24 int. 4 ext. RAID
3Ware LSI00251 9750-24i4e SGL SAS 24 int. 4 ext. RAID
3Ware LSI00251 9750-24i4e SGL SAS 24 int. 4 ext. RAID
3G5A2-IM211-E OR B500-IM211-E OMRON 3G5A2IM211E
3G2S6-CPU35 Omron PLC CPU 3G2S6CPU35 
3G2C7-MC224 Omron PLC Expansion C20-MC224
3G2A5-RM001-E Omron PLC Remote I/O Master 3G2A5RM001E
3G2A5-OD411A Omron PLC DC Output 3G2A5OD411A
3G2A5-DA001 Omron PLC Analog Output 3G2A5DA001
3CSFP91 1000BASE-SX SFP FOR 3COM 850NM TRANSMITTER WAVELENGTH UP
3COM SWITCH 8810 STARTER KIT 3C17501A
3COM SWITCH 4060 SWITCH 18-PORTS EN FAST EN GIGABIT EN 10BASE-T 3C17709US
3Com SuperStack 4 Switch 5500G-EI SFP 24 -Port 3CR17259-91 /3CR17258-91
3COM NBX V3000 Analog 4-Port IP Phone System 3C10600A SEE DESCRIPTION
3COM 3CS7910E Switch S7910E Chassis Kit
3com 0231A76V S7500E 24-1000BASE T10GBASE-XJD206a
3C17502 HP SW8807 STARTER KIT
3500 excluding VAT Tested Free Worldwide delivery
3-424-1890A Cincinnati Milacron I/O Chassis 3-531-3849A
335921-B21 HP StorageWorks MSA20 Smart Array
32R1783-Nortel 10 Gigabit Uplink Ethernet Switch Module
32R1783-Nortel 10 Gb Uplink Ethernet Switch Mod 32R1785
32R1783-Nortel 10 Gb Uplink Ethernet Switch Mod 32R1785
3200 ex VAT Good Condition Fast UPS delivery
32 Channel Digital Console
31542  Allen Bradley 1746-NI041 I/O Module 8 Point Relay
30106  Allen Bradley SLC500MCR Remote I/O Adapter Module
3000 exVATDell 24/7 365 Pro-Support on-site 
3.6GHz Quad Core 1TB 8GB RAM Alame Galaxy II Home/Media Desktop Computer PC
3 Year Next Business 
3 YEAR MANUFACTURE  INCLUDED IN ORIGINAL BOX
3 axis driver kit CNC Stepper Motor Driver 24-55VAC 2-6A Mircostepping 
2xVC HP 1/10Gb 2xVC 4Gb VC Fibre Channel-120Vor 240V
2x QSC KW122 Powered 12" Speakers KW 122 BBE 882i Sonic Maximizer Stands Cables
2x QSC K12 Powered 12" Speakers K-12 BBE 882i Sonic Maximizer Stands Cables 
2x QSC K10 Powered 10" Speaker and BBE 482i Sonic Maximizer Audio Enhancer K 10
2U Storage Server NM46X 2x AMD Opteron 2214 Dual Core 2.2Ghz 32GB RAM 250GB 191W
2U Storage Rackmount Server 2x AMD Opteron 2220 Dual Core 16GB RAID 4x 250GB
2U Storage Rackable Server NM46X 2x AMD Quad Core 2356 16GB 1x 250GB 207W Power
2U Server NM46X 2x AMD Opteron 2356 2.3Ghz Quad Core 32GB RAM 250GB NM46X V1.10
2U Server NM46X 2x AMD Opteron 2356 2.3Ghz Quad Core 16GB RAM 250GB NM46X V1.10
2U Server 2x AMD Opteron 2214 Dual Core 16GB RAM 2x 250GB RAID NM46X 191W
2U Rackmount Rackable Server 2x AMD Opteron 2356 Quad Core NM46X 16GB 4x 250GB
2U Rackable VMWare ESX Server NM46X 2x AMD Opteron 2214 16GB 2x 250GB 191W
2U NM46X Server 2x AMD Opteron 2356 Quad Core 32GB RAM 2x 250GB SATA Hard Drive
2Port E1/T1 Hardware Echo Cancellation Asterisk trixbox
29H4371 IBM 1-Port ATM I/O Module
29H4370 IBM 1-Port ATM I/O Module for 8260
2803-VIM2 SERIES A REV A 1 YEAR GUARANTEE
2803-CSM1 SERIES A REV A  1 YEAR 
2803-CM SERIES A REV A  1 YEAR   NIB
2711E-K14C6X Allen-Bradley AB PanelView 1400e Terminal Ser. E Frm 5.14 
26L0400 IBM WAN Module
26K654725R5391 Cisco Fiber Intelligent Switch Module
25 x 900GB 10K 2.5" SAS  3 YEARS  
24V Built-in Fan and Heater 680TVL 592X Power Zoom WDR IP66 Indoor  Outdoor
24P8224-1722-8850-IBM DS4300 16 to 64 Partition License
24P8222- 1722-8863 / 8864- IBM DS4300 8 to 64 Partition
24P8219-1722-7354-IBM DS4300/FASTt600 FLASH/VOLUME COPY
24P82171722-7351- IBM DS4300/FASTt600 FlashCopy Option
24P8151- 1722-7362 -IBM DS4300 2nd EXP700/EXP710/EXP810
2400 ANSI LUMENS .with I/O Module
240  VAT Tested
24 10/100/1000Base-T 4 x SFP mini-GBIC 2 x SFP 2 x I/O Module GSM7228PS
24 10/100/1000Base-T 4 x SFP mini-GBIC 1 x Stacking Module WS-C2960S-24TS
24 10/100/1000Base-T 1 x Stacking Module 4 x SFP mini-GBIC WS-C2960S-24PS
24 10/100/1000Base-T 1 x Stacking Module 2 x XFP WS-C2960S-24PD-L
24 10/100/1000Base-T 1 x Network Module WS-C3750X-24T-L
220 Mhz Repeater or 220 Base Station will do both
220 Mhz Repeater 20 Watts
20280 -No Box Allen-Bradley 1769-SDN Compact I/O Module
2011date Allen Bradley 1756-EN2F/B ControlLogix EtherNet/IP Fiber Bridge
2011 mfg date 1794-IE8 Allen Bradley FlexLogix Analog input 1794IE8 N356
2011 date Allen Bradley 1769-PA4 Compact I/O Power Supply
2011 Allen Bradley AB 1756-EN2T / C ControlLogix EtherNet/IP Bridge
2010 Model with Dual Core [Offer 55 for 4GB RAM]
2010 date Mitsubishi QY81P Q-Series 32 points Transistor Output Module
2010 date Allen Bradley 1746-OW16 Series D SLC500 Output 
2010 Allen-Bradley 1794-IF2XOF2I Isolated Analog 1794-1F2X0F21
2010 Allen Bradley AB 1756-EN2T / C ControlLogix EtherNet/IP 10/100 Bridge
2008 mfg date 1794-IE8 Allen Bradley FlexLogix Analog input 1794IE8 N314
2007 mfg in LNC 1746-NO4V Allen Bradley SLC 500 1746NO4V N305
2007 mfg 1746-NIO4V Allen bradley 1746NIO4V D102