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訪問(wèn)次數(shù):401更新時(shí)間:2017-10-27 11:21:29
burkert 8605系列進(jìn)口比例閥:電子設(shè)備會(huì)將一個(gè)外部標(biāo)準(zhǔn)信號(hào)轉(zhuǎn)換成一個(gè)經(jīng)過(guò)脈寬調(diào)制 (PWM) 的信號(hào),利用該轉(zhuǎn)換信號(hào)可以對(duì)比例閥開(kāi)口尺寸進(jìn)行無(wú)級(jí)調(diào)節(jié),進(jìn)而調(diào)節(jié)流體輸出變量(例如流量)。一個(gè)將 PWM 信號(hào)占空比作為調(diào)節(jié)參數(shù)的內(nèi)部電流調(diào)節(jié)裝置,能夠確保不管線圈的溫度狀態(tài)如何,都能為每個(gè)輸入信號(hào)值明確分配一個(gè)有效線圈電流值。通過(guò)一個(gè)顯示屏和操作按鍵,可以針對(duì)特定的比例閥以及具體的使用條件對(duì)電子設(shè)備進(jìn)行輕易調(diào)整
burkert 8605系列進(jìn)口比例閥:
:Technical data Operating voltage 12 - 24 V DC Voltage tolerance ±10 % Residual ripple <5 % Power consumption approx. 1 W (without valve) Output current (valve) max. 2A Ambient temperature –10 to 60°C Input signal 0-20 mA, 4-20mA or 0-5V, 0-10 V (confi gurable) Input impedance <200 Ω (with current input) >20 kΩ (with voltage input) Output signal for valve control PWM signal – frequency adjustable from 80Hz to 6 kHz Ramp function Time variable from 0 to 10 s Version – Cable plug for direct installation (with PG- or M12 connection) – DIN-rail version (DIN EN 50022) Protection class Cable plug – IP65 DIN-rail – IP40 Housing material Cable plug – Polyamide / PC DIN-rail – Polyamide / PBT
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