亚洲国产精品二区久久,日本美女后入式午夜视频在线观看,国产污视频在线观看,欧美日韩国产精品中文字幕在线观看

1791-8BC
1791-8BC

PLC自檢信號(hào)很多，內(nèi)部器件也很多，多數(shù)使用者未充分發(fā)揮其作用。

    其實(shí)，*可利用它進(jìn)行PLC自身工作的監(jiān)控，或?qū)刂茖?duì)象進(jìn)行監(jiān)控。

    這里介紹一種用PLC定時(shí)器作看門狗，對(duì)控制對(duì)象工作情況進(jìn)行監(jiān)控的思路。

    如用PLC控制某運(yùn)動(dòng)部件動(dòng)作，看施加控制后動(dòng)作進(jìn)行了沒有，可用看門狗辦法實(shí)現(xiàn)監(jiān)控。具體作法是在施加控制的同時(shí)，令看門狗定時(shí)器計(jì)時(shí)。如在規(guī)定的時(shí)間內(nèi)動(dòng)作完成，即定時(shí)器未超過警戒值的情況下，已收到動(dòng)作完成信號(hào)，則說明控制對(duì)象工作正常，無需報(bào)警。

    若超時(shí)，說明不正常，可作相應(yīng)處理。

    如果控制對(duì)象的各重要控制環(huán)節(jié)，都用這樣一些看門狗"看"著，那系統(tǒng)的工作將了如指掌，出現(xiàn)了問題，卡在什么環(huán)節(jié)上也很好查找。

專業(yè)銷售專業(yè)銷售專業(yè)銷售◇技術(shù)數(shù)據(jù)◇技術(shù)數(shù)據(jù)專業(yè)銷售價(jià)格更好，貨期更短
價(jià)格更好，貨期更短
價(jià)格更好，貨期更短
主營產(chǎn)品：Allen-Bradley，Schneider ,Foxboro,Triconex,Ovation,Siemens等各類工控產(chǎn)品
咨詢！
公司名稱：廈門泰尼電氣有限公司
：小廖
        
：請(qǐng)備注“01008"收）

:
:
廈門泰尼電氣有限公司技術(shù)力量雄厚，設(shè)備齊全，檢測(cè)手段完善，質(zhì)量可靠，性能*。由于我司遵循一切為用戶著想為宗旨，堅(jiān)持嚴(yán)謹(jǐn)?shù)慕回浧谙?，合理的價(jià)格標(biāo)準(zhǔn)，優(yōu)良的產(chǎn)品質(zhì)量，妥善的售后服務(wù)，*與廣大新老用戶進(jìn)行真誠而有效的合作，體現(xiàn)出可靠的性能和與眾不同的優(yōu)點(diǎn)，受到廣大用戶信賴和歡迎。

HONEYWELL 120VAC TEMPERATURE CONTROLLER DC3004-0-100-1-

MARPOSS DCM CONTROL MODULE

PHOENIX CONTACT POWER SUPPLY QUINT-PS-100-240AC/24DC/10

ICA CENETIC AUTOMATION SERVO NUTRUNNER DISPLAY UNIT DP3

FANUC ETHERNET CIRCUIT BOARD PCB A16B-2200-0821/04B

KEYENCE FIBER OPTIC SENSOR FS-L41 

FANUC ROBOTICS PC I/F CONNECTION UNIT A02B-0236-C254

MTL MICROTECH MICRO ENCODER MES-40-360P E  IN BOX

BOSCH LINE FILTER/SUPPRESSOR? NE 021/B-D

SQUARE D CLASS 9999 DPDT ELECTRICAL INTERLOCK R46 

PANASONIC ROBOTICS I/O BOARD ZUEP 52122

MODICON FACTORY MATE PLUS 19" INDUSTRIAL DISPLAY 557VCM

MODICON AEG BRIDGE PLUS / MODBUS PLUS NW-BP85-000 WORN

ALLEN BRADLEY VISION COLOR MONITOR 2801-N8 SER. A PART

FANUC CIRCUIT BOARD PCB A16B-1210-0020/09E

WEIDMULLER 0.2A, 230VAC/24VDC POWER SUPPLY 112066

CUTLER-HAMMER 90-132VAC/18-50VDC PROXIMITY SENSOR E58-1

ALLEN BRADLEY REMOTE PROGRAMMING ANTENNA 2750-ASPR 

LAMBDA 24V 20A DC POWER SUPPLY DHP480-24-3

MITSUBISHI ELECTRIC KEYPAD BOARD FP5-MD78

EMECANIQUE TSX 8-SLOT STANDARD RACK TSX RKS8

SCHNEIDER ELECTRIC TSX MOMENTUM 24VDC I/O BASE 170 ADO

WERA EMG RECOTEC INPUT CARD RE-26XIN

WERA EMG RECOTEC OUTPUT CARD RE-24OUT

WERA EMG RECOTEC DISPLAY CARD RE-DTSP

SQUARE D 600VAC 25A SWITCH CONTROL STATION 9421 V2A30

WERA EMG RECOTEC I/O CARD RE-ME-OT

FANUC PCB A16B-2300-0020/02B PARTS/REPAIR

ABB CONTROL SIZE W4 600VAC 230A WELDING ISOLATION CONTA

EMECANIQUE 600V MAX PANEL MOUNT BUSBAR AK5 JB145 LO

ALLEN BRADLEY AC SERVO DRIVE CONTROLLER 15KW AXIS MODUL

ALLEN BRADLEY 5-24VDC PRE-WIRED FACTORY SEALED LIMIT SW

GE 1.5KVA 1-PHASE 240/480 TO 120/240 STEP DOWN TRANSFOR

GOULD MODICON 115VAC OUTPUT MODULE B804 LOT OF 10, MIS

EBM 266/460V, 0.11A, 65W, AXIAL FAN W2D200-CA04-52

ALLEN BRADLEY SLC 500 10-SLOT RACK 1746-A10 SER B W/ PO

SOLA GENERAL SIGNAL 2-25/5-50V 48/24A DC POWER SUPPLY 0

TEXAS INSTRUMENTS LOOP ACCESS MODULE PM 550-400

CKD 24VDC SOLENOID VALVE HVL42-X0015 LOT OF 4

ISSC 4-PIN PROXIMITY SENSOR T12-A168-F 

MATSUSHITA ELECTRIC 3000 R/MIN 200W AC SERVO MOTOR MFA

 MITSUBISHI ELECTRIC 3-PHASE 104V 2.8A 400W AC SERVO MOT

 ORIENTAL MOTOR 40W VEXTA BRUSHLESS DC MOTOR FBLM440C-GF
 
Free shipping
 ORIENTAL MOTOR 100W VEXTA BRUSHLESS DC MOTOR HBLM5100N-

GH CCS01.4 CONTROL BOARD

UNI-PRO BF-PLASMA II A 20.004574-003386 OPERATOR PANEL

SICK OPTIC 24VDC LIGHT CURTAIN SENDER / RECEIVER CONTRO

ALLEN BRADLEY GuardPLC 1200 PROGRAMMABLE CONTROLLER 175

SIEMENS 400V TO 24V STEP-DOWN TRANSFORMER 4AV2306-2AB

NUMATICS 34SPA43AK000030 PNEUMATIC VALVE 

3M WELDING SHIELD ASSEMBLY 061-31-01R01 

NUMATICS VT40N10Y LOCKOUT VALVE, 150 PSIG MAX, 1" AND 1

LUNKENHEIMER 2140 2" NPT RISING STEM GLOBE VALVE, 

ABB ROBOTICS I/O BOARD PCB IOS-01 E-31701

COOPER GARDNER DENVER RACK-MOUNT POWER SUPPLY MODULE NT

SANYO DENKI STEP-SYN STEPPING MOTOR 103H7126-0744

RUSSELLSTOLL 250V/600VAC, 60A, 3W EVER-LOK PLUG F27194

REXROTH INDRAMAT SERVO SOFTWARE MODULE FWC-DSM02.1-ASE-