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發(fā)布時(shí)間:2016-11-08 13:41  
【廣告】
【1747-AIC現(xiàn)貨】
【1747-AIC現(xiàn)貨】
狀態(tài)要保持一個(gè)掃描周期。
可編程控制器的工作過程包括兩部分:自診斷及通信響應(yīng)的固定過程和用戶程序執(zhí)行過程, PLC在每次執(zhí)行用戶程序之前,都先執(zhí)行故障自診斷程序、復(fù)位、監(jiān)視、定時(shí)等內(nèi)部固定程序,若自診斷正常,繼續(xù)向下掃描,然后PLC檢查是否有與編程器、計(jì)算機(jī)等的通信請(qǐng)求。如果有與計(jì)算機(jī)等的通信請(qǐng)求,則進(jìn)行相應(yīng)處理。當(dāng)PLC處于停止(STOP)狀態(tài)時(shí),只循環(huán)進(jìn)行前兩個(gè)過程。而在PLC處于運(yùn)行(RUN)狀態(tài)時(shí),PLC從內(nèi)部處理、通信操作、輸入掃描、執(zhí)行用戶程序、輸出刷新五個(gè)工作階段循環(huán)工作。每完成一次以上五個(gè)階段所需要的時(shí)間稱為一個(gè)掃描周期。
聯(lián)系人:李工[銷售工程師]
聯(lián)系電話:0591-62182520 * 13696852881
聯(lián)系QQ:1273632994
公司傳真:0591-62032566
公司全稱:
福州卓凱電子科技有限公司
公司地址:
福建省福州市閩侯西江濱大道77號(hào)正榮潤園1號(hào)樓1205室
本公司專業(yè)銷售全球知名品牌備品備件
主營產(chǎn)品:
【1】DCS控制系統(tǒng)
【2】機(jī)器人系統(tǒng)
【3】PLC系統(tǒng)
【4】伺服數(shù)控系統(tǒng)
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下面是我公司的優(yōu)勢(shì)產(chǎn)品(日常用的最多的,還有不常用的未列出,但都有做的)歡迎您的咨詢!
施耐德140系列、TSX系列
Honeywell DCS卡件
AB 1746、1756、1747、1771、1336F、1745等系列
ABB機(jī)器人備件 DSQC系列,F(xiàn)OBXORO FBM開頭,
TRICONEX系列 3503E 3805E 3604E等,motorola MVME系列,XYCOM產(chǎn)品
Siemens 6DD 6SC 6SN 6FC 6GK 6FX S5系列 等
Siemens TI 5系列開頭
Siemens Moore APACS
GE IC200/693/697系列
SMC MGPM32-50 Pneumatic Cylinder 145 PSI 1 MPa MGPM3250
SMC MGPM32N-50 Pneumatic Cylinder 145 PSI 1 MPa 2 Inch Travel MGPM32N50
SMC MGPM50N-50-Y7PW Pneumatic Slide Cylinder 145 PSI 1 MPa MGPM50N50Y7PW
SMC MGPM50N-75 Pneumatic Slide Cylinder 145 PSI 1 MPa MGPM50N75
SMC MGPM50TN-50Z Pneumatic Cylinder 145 PSI 1 MPa 2 Inch Travel MGPM50TN50Z
SMC MHC2-16D Air Gripper Cylinder MHC216D
SMC MHC2-25D Air Gripper Cylinder MHC225D
SMC MHC2-25D Air Gripper Cylinder MHC225D (TB)
SMC MHL2-20D Pneumatic Cylinder MHL220D
SMC MHL2-25D Pneumatic Cylinder MHL225D
SMC MHZ2-25D Pneumatic Gripper Cylinder MHZ225D
SMC MHZ2-32D Pneumatic Gripper Cylinder MHZ232D
SMC MK2B32-20RN Pneumatic Cylinder MK2B3220RN
SMC MSUB20-180S Rotary Actuator MSUB20180S
SMC Multiconnector 1/4" Inch (TB)
SMC MXQ12-75 Linear Guide Slide Cylinder MXQ1275
SMC MXS20-100 Linear Guide Slide Bearing Cylinder MXS20100
SMC MY1B32TNG-940HS-Z73L Pneumatic Cylinder MY1B32TNG940HSZ73L
SMC NAF3000-N03 Pneumatic Filter Assembly NAF3000N03
SMC NAF4000-N04D Pneumatic Filter NAF4000N04D
SMC NAF5000-N06 Pneumatic Filter Assembly NAF5000N06
SMC NAL2000-N02-3C Pneumatic Lubricator Assembly NAL2000N023C
SMC NAR2060-N02 Pneumatic Regulator 0.1-0.85 MPa NAR2060N02
SMC NAR3000-N03 Pneumatic Regulator 0.05-0.85 MPA NAR3000N03
SMC NAR4000-N04 Pneumatic Regulator 0.05-0.85 MPA NAR4000N04
SMC NAR4060-N04 Pneumatic Regulator NAR4060N04 (TSC)
SMC NARBF3000-A Air Valve Regulator NARBF3000A no Box
SMC NAV4000-N04-3DZ Pneumatic Valve 94-138 VAC NAV4000N043DZ
SMC NAV4000-N04-3DZ Pneumatic Valve 94-138 VAC NAV4000N043DZ
SMC NAV4000-N04-5DZ Pneumatic Valve 24 VDC NAV4000N045DZ
SMC NAW2000-N02-C Pneumatic Filter Regulator Assembly NAW2000N02C
SMC NAW3000-N03D Pneumatic Regulator Filter Assembly NAW3000N03D
SMC NAW4000-N04 Pneumatic Regulator Filter Assy NAW4000N04
SMC NCDA1B150-1400 Pneumatic Cylinder NCDA1B1501400
SMC NCDA1B150-2000 Pneumatic Cylinder NCDA1B1502000
SMC NCDA1B250-0500-A54LS-XA28FB5 Pneumatic Cylinder NCDA1B2500500A54LSXA28FB5
SMC NCDA1B250-0800-A54LS-XA28F-XB5 Pneumatic Cylinder NCDA1B2500800A54LSXA28FXB5
SMC NCDA1B250-1400-A54LS-XA28F-XB5 Pneumatic Cylinder NCDA1B2501400A54LSXA28FXB5
SMC NCDA1B325-0500 Pneumatic Cylinder 250 PSI NCDA1B3250500 (TSC)
SMC NCDA1D250-0100-X2USITT Pneumatic Cylinder NCDA1D2500100X2USITT
SMC NCDA1D250-0300-X2USITT Pneumatic Cylinder NCDA1D2500300X2USITT
SMC NCDA1D250-1200-X2USITT Pneumatic Cylinder NCDA1D2501200X2USITT
SMC NCDA1KWR150-0200 Pneumatic Cylinder 250 PSI 2" Stroke NCDA1KWR1500200
SMC NCDGBA40-0300 Pneumatic Cylinder 1 1/2" Bore 3" Stroke NCDGBA400300
SMC NCDMB106-0100 Pneumatic Cylinder NCDMB1060100 (TB)