用PLC实现这个控制,其价格比用NC要低得多。而且,它在进行运动控制的同时,还可进行其它控制。再加上PLC各种运动控制模块的开发与应用,以及相关软件的推出及使用,用PLC进行种种运动控制已变得很容易,其编程也可使用NC语言,很简便。
近年,还出现了专门用于运动控制的PLC,即P(PROGRAMMABLE)M(MOTION)C(CONTROLLER),可编程运动控制器,简称PMC。又为PLC用于精度更高、运动行程更大、控制的坐标更多、操作更方便的运动控制提供了很好的平台。所以,用PLC进行运动控制,在相当程度上,可以代替价格比其昂贵的数控系统。
C不仅可用作系统的工作控制,还可用作系统的信息控制。
PLC用于信息控制有两种:专用、兼用。
专用:PLC只用作采集、处理、存贮及传送数据。
兼用:在PLC实施控制的同时,也可实施信息控制。
PLC用作信息控制,或兼做信息控制,既是PLC应用的一个重要方面,又是信息化的基础。
5.用于远程控制
远程控制是指,对系统的远程部分的行为及其效果实施检测与控制。PLC有多种通讯接口,有很强的联网、通讯能力,并不断有新的联网的模块与结构推出。所以,PLC远程控制是很方便的。
PLC与PLC可组成控制网。可通讯,交换数据,相互操作。参与通讯的PLC可多达几十、几百个。网与网还可互联。这样,参与通讯的PLC则更多,以至于不受限制。
PLC与智能传感器、智能执行装置(如变频器),也可联成设备网。也可通讯,交换数据,相互操作。可联接成远程控制系统,系统范围面可大到几十、几百公里或更大。这种远程控制,既提高了控制能力,又简化了硬件接线及维护。
PLC与可编程终端也可联网、通讯。PLC的数据可在它上面显示,也可通过它向PLC写数据,使它成为人们操作PLC的界面。
PLC可与计算机通讯,加进信息网。利用计算机具有强大的信息处理及信息显示功能,可实现计算机对控制系统的监控与数据采集SCADA(Supervisory Control and Data Acquisition)。同时,还可用计算机进行PLC编程、监控及管理。
36A358208AAG05 WIRE BUNDLE 7PL CABL
36A358208AAG06 8PL CABLE
36A358208AAG07 4PL CABLE
36A358208AAG08 WIRE BUNDLE 6PL CABL
36A358208AAG09 10PL 3 CABLE C & G FRA
36A358208AAG10 12PL CABLE
36A358208AAG11 11PL CABLE C & G FRAME
36A358208AAG12 13PL CABLE C & G FRAME
36A358208AAG14 17PL CABLE
36A358208AAG18 PROGRAMMER CABLE (6′
36A358208AAG19 PROGRAMMER CABLE (8′
36A358208ABG01 8PL 10 CABLE
36A358208ACG01 WIRE BUNDLE
36A358208ADG01 18 PL CABLE
36A358208ARG01 PROGRAMMER CABLE (10
36A358208CCG06 6PL R6 CABLE ASM
36A358208CEG07 CABLE ASM
36A358208CXG01 9PL RIBBON CABLE
36A358208ERG04 PCOM PX CABLE (DC300
36A358208EYG01 14PL M C & G FRAME
36A358208EYG02 14 PL M CABLE (DC600
36A358216AA001 OVERLAY
36A358218BCG02 GATE LEADS R REG W B
36A358218BRG01 AC FUSE MA WIRE BUNDLE
36A358218FXG01 CABLE
36A358218FXG02 CARD PPL CABLE
36A358218RBG01 WIRE HARNESS
36A358218XAG01 4PL CABLE
36A358218XAG02 6PL CABLE
36A358218XAG03 10PL CABLE
36A358218XAG04 11PL D FRAME
36A358218XAG05 12 PL CABLE
36A358218XAG06 13PL D FRAME
36A358218XAG07 WIRE HARNESS
36A358218YAG02 CT ASM (2)
36A358241AAG01 MOV ASM
36A358250AC001 LATCH
36A358250AC002 LATCH
36A358256AAG01 CAPACITOR ASM
36A358260CX001 GASKET
36A358941AAG02 MAINTENANCE KIT DC2000 JU
36A359100CDG02 29PLM CABLE LAN DC D
36A359100CDG04 29PL MICRO APPL CARD
36A359100CRG01 RPL CABLE
36A359100CRG02 RPL CABLE
36A359100CRG03 PANEL RPLDC E
36A359100CYG13 OPTPL JUMPER
36A359100CYG14 LTB/3TB 115V FEED CARD
36A359100CYG15 LTB/3TB 115V FEED CARD
36A359102AAG01 SCR ASM
36A359102AAG03 SCR ASM
36A359102AAG04 SCR AND CONNECTOR
36A359113AC001 2″ SPACER
36A359113AC002 4″ SPACER
36A359113AC003 6″ SPACER
36A359126AEG01 CABLE
36A359133AAG01 LAN POWER SUPPLY
36A359141ABG03 5PL IOS (20″) CABLE
36A359141ACG01 3PL RIBBON (IOS)
36A362260AA003 DC TRANSMITTER
36A362260AA012 TRANSDUCER
36A362432DA001 CURRENT IND METER
36A362535BD004masterSWITCH
36A362535BD006masterSWITCH
36A362717CE002 METER 20-0-20A DO91
36A362717CF003 AMMETER
36A362717CF012 AMMETER
36B605201AAG03 SCR W/ TERMINALS
36B605201AAG07 SCR W/ TERMINALS
36B605201ABG01 SCR W/ TERMINALS
36B605224EAG01 SNUBBER ASM
36B605308FBG01 KIT CB J600
36B605519BA001 CARD DOOR (2000)
36B605538AAG01 TRANSFORMER ASM
36B605538AAG02 TRANSFORMER ASM
36B605538ABG01 TRANSFORMER ASM
36B605538ABG02 TRANSFORMER ASM
36B605538ACG02 CONT POWER TRANSFORMER
36B605538AEG02 CPT ASM (460V)
36B605543AC001 SHEETMETAL ASM
36B605548AAG01 PROGRAMMER CARD ASM
36B605553AAG04 3 POS POWER BLOCK W/BARR
36B605553AAG05 1 POS POWER BLOCK W/BARR
36B605573AAG01 TRANSFORMER ASM
36B605573ACG01 TRANSFORMER ASM
36B605573AEG01 TRANSFORMER ASM
36B605573AYG01 CONTROL TRANSFORMER C EX
36B605573BEG01 CPT ASM 4 6A
36B605573BEG02 CPT ASM 575V 4 6A 11
36B605573BFG01 CPT ASM 3 0A
36B605575AD002 4Q SCR BUS ‘G’
36B605575AE001 INSULATION
36B605593AAG04 FAN MOTOR
36B605594AAG01 BALUN ASM
36B605594ABG01 ENC/DIG TACH BALUN A
36B605594AEG01 ARCNET I/F CARD MOUNTING
36B605609BX002 PLENUM COVER
36B605611AE001 BUS BAR 1/8X2
36B605612AA001 HEATSINK LONG
36B605612AB001 SHORT HEATSINK
36B605619AAG02 BRAIDED CABLE
36B605619AAG03 BRAIDED CABLE
36B605619AAG04 BRAIDED CABLE
36B605619ABG06 P1A CABLE ‘C’ EXT (2)
36B605619ABG07 P2 CABLE ‘C’ EXT (2)
36B605619ACG01 CABLE ASM
36B605619ACG03 BRAIDED CABLE
36B605619ACG06 BRAIDED CABLE
36B605619ADG01 CABLE ASM
36B605625BAG01 APL SHUNT TRANS WIRE ASM
36B605625BAG02 BPL SHUNT TRANS WIRE ASM
36B605625BAG03 CPL SHUNT TRANS WIRE ASM
36B605633AAG01 CT ASM
36B605731AC001 4Q SCR BUS ‘G’
36B605756ABG01 POTTED MOV ASM
36B605756ABG02 MOV ASM 575V
36B605756ADG01 DC300 POWER SUPPLY K
36B605776AAG02 CONTROL TRANSFORMER
36B605787AAG01 HARNESS DC2000
36B605787AAG02 2PL CABLE “DC DX”
36B605787AAG03 2PL CABLE ASM
36B605787AAG05 2PL CABLE
36B605787AAG06 2PL CABLE
36B605787AAG07 2PL CABLE
36B605787ACG01 2PL W/ ARCNET G
36B605787ACG02 2PL W/ ARCNET ‘D’
36B605787ACG03 2PL W/ ARCNET ‘P’
36B605787ACG04 2PL W/ ARCNET ‘Q’
36B605787ACG05 2PL W/ ARCNET
36B605787ACG06 2PL CABLE W/ LCC CARD
36B605787ACG08 2PL IMCP 3TB LDCC AD
36B605796AAG01 USE 36B605796AAG101
36B605796AAG09 ARCNET DCPL IOS (26″)
36B605796AAG101 ARC PL CABLE G
36B605796AAG102 ARC PL CABLE G
36B605796AAG118 ARC PL CABLE G
36B605796AAG18 ARC PL CABLE D
36B605796AAG19 CABLE DLAN ASM
36B605796AAG22 ARC PL CABLE D
36C774122AFG01 SUPPORT MOTOR HOUSING
36C774122BAG01 MOTOR BRACKET AC500
36C774122BAG02 MOTOR BRACKET
36C774122CCG01 SUPPORT MOTOR HOUSING C F
36C774282AAG01 MOVABLE RELAY ASM
36C774296CCG01 DOOR
36C774298EAG12 FILTER SUPPORT & FILTER 14X
36C774298ECG12 FILTER SUPPORT & FILTER 20X
36C774298EDG12 FILTER SUPPORT & 20X25X1
36C774300AA001 CARD FRAME
36C774300BA001 DC2000 KEYPAD SUPPORT
36C774302AAG07 TERMINAL BLOCK 1 POI
36C774344ABG01 POWER SUPPLY ASM
36C774345AAG01 MFC ASM