1771-P6S
1771-P6S
市場沒有統(tǒng)一價(jià),你總能找到比我們便宜的,也總能找到比我們貴的,市場競爭的大環(huán)境下,各行各業(yè)都不存在暴力,認(rèn)準(zhǔn)一個(gè)靠譜的合作伙伴就可以了。不要比價(jià)比一圈,誰都不相信,zui后你永遠(yuǎn)成不了誰的vip。 致每一位相信我的客戶,盡管不存在好大利潤哪怕賺吆喝,我都會(huì)盡心盡力辦事!
PLC與電氣回路的接口,是通過輸入輸出部分(I/O)完成的。I/O模塊集成了PLC的I/O電路,其輸入暫存器反映輸入信號狀態(tài),輸出點(diǎn)反映輸出鎖存器狀態(tài)。輸入模塊將電信號變換成數(shù)字信號進(jìn)入PLC系統(tǒng),輸出模塊相反。I/O分為開關(guān)量輸入(DI),開關(guān)量輸出(DO),模擬量輸入(AI),模擬量輸出(AO)等模塊。
開關(guān)量是指只有開和關(guān)(或1和0)兩種狀態(tài)的信號,模擬量是指連續(xù)變化的量。常用的I/O分類如下:
開關(guān)量:按電壓水平分,有220VAC、110VAC、24VDC,按隔離方式分,有繼電器隔離和晶體管隔離。
模擬量:按信號類型分,有電流型(4-20mA,0-20mA)、電壓型(0-10V,0-5V,-10-10V)等,按精度分,有12bit,14bit,16bit等。
除了上述通用IO外,還有特殊IO模塊,如熱電阻、熱電偶、脈沖等模塊。
按I/O點(diǎn)數(shù)確定模塊規(guī)格及數(shù)量,I/O模塊可多可少,但其zui大數(shù)受CPU所能管理的基本配置的能力,即受zui大的底板或機(jī)架槽數(shù)限制。
NUMATICS SOLENOID VALVE, 11PAD4460 *NEW*
APOLLO 1-1/4" CONBRACO VALVE C11 600 WOG NNB
UNKNOWN MFG * GATE VALVE NO HANDLE * 1 1/4" 150 FAU
VNE 1000 WOG 1/2 INCH DN15 STAINLESS STEEL BALL VALVE
FLOW TEC BALL VALVE F05-F07 3/4" 3/4" CF8M 1000 WOG
VICKERS PILOT VALVE DC4S4LW-012A-B-?60
UFM TYPE CSA ENCLOSURE 5 P/N 700 LL-ABMSB2GM-8T-?L-220V.9-A2NR-C?-PC4M-Z14
TRABON LUBRIQUIP MANIFOLD DIVIDER VALVE C00 MSP-30S
FESTO CPV10-VI U502 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (6) 161 368 T102 3 BROKE
ALCO CONTROLS 1/8 B 3/64 B PRESSURE:950 SOLENOID VALVE 202CB NIB
ASCO RED-HAT II 1/4" 4W SOLENOID VALVE NIB 8344G70 103798
SEXAUER SLOAN REPAIR KIT FOR CLOSET STOP 098467 *NEW*
PARKER D1VW020DVJGLMJ7?Y NIB
NELES-JAMESBURY 150PSI PNEUMATIC ACTUATOR VALVE ST50E / 4CX 3600 MT3
SEXUAR CLOSET VALVE REPAIR KIT A-156-A *LOT OF 2 NEW*
WANDFLUH HYDRAULIC VALVE ADRVN10-Y-S610
SPERRY VICKERS HYDRAULIC VALVE, DGMFN-3-Y-A2W-2?1
COMPACT AIR PRODUCTS VALVE BLOCK B158X12 NNB
REXROTH 100 BAR NOMINAL SIZE 6 PRESSURE RELIEF VALVE, ZDB-6-VP2-41/10?0V
H.D BAUMANN 1/2" ACTUATOR VALVE 32-24-102
JAMESBURY 316 STAINLESS STEEL SIZE4 WAFER-SPHERE VALVE 815W-11-3600-XZ
HONEYWELL 240A 4-WAY SERVO VALVE V 7037 B 1019 2
3" BUTTERFLY VALVE
1000WOG 3"F-4"R 1.4408 CHECK VALVE CF8M PN64 / DN80F-100R
PARKER 40-125 PSI 3/4" NPT ALUMINUM ALLOY PRESSURE RELIEF VALVE, 665-3-3/4D2
NIBCO 1-1/4" BRONZE GLOBE VALVE T-276-AP
VOGEL 45 PSI CHECK VALVE, 213-900 *NEW*
NUMATICS 150 PSIG SOLENOID VALVE, 152JJ400O *NEW*
DRESSER CONSOLIDATED 1/2" SAFETY RELIEF VALVE 43D / 1543D-21 NIB
JAMESBURY 3000 SERIES 1-1/4" PIPE THREAD BALL VALVE
DeZURIK BODY CI 316 150CWP SIZE 6 KNIFE GATE VALVE 9138532