PS-x 系列電源用(yong)(yong)于將 230Vac 或 24Vac 轉換為穩定的(de) 24Vdc 輸出,提供保護、自診斷和(he)自檢功(gong)能。具有過流和(he)過壓(ya)保護、各種條(tiao)件的(de) LED 指示、用(yong)(yong)于輸入丟失的(de)可選(xuan)警報繼電器輸出和(he) PCB 上的(de)復位按鈕。
它們適用于需(xu)要為傳感器或 IO 模(mo)塊提供輔助電源的(de)應用。
LED指示
打開
當 PSU 通電(dian)時(shi),LED 將呈橙色常亮顯示約 0.5 秒。(如果在加電(dian)過程中(zhong)按(an)下(xia)復位按(an)鈕,它會在這一(yi)步保持裝置。)大約 0.5 秒后,輸(shu)(shu)出(chu)被(bei)啟用并且警報繼電(dian)器關(guan)閉。該狀態(tai)保持 5 秒,或直到(dao)輸(shu)(shu)出(chu)電(dian)壓達到(dao)22.0Vdc。
當輸出(chu)電(dian)壓在范圍(wei)內(nei)時,繼電(dian)器保持閉合,并且 LED 顯示穩定的綠色(se)。如果未達(da)到最小電(dian)壓,則(ze)輸出(chu)關閉,繼電(dian)器打開。LED 呈橙(cheng)色(se)長(chang)短閃爍,直到按下(xia)復(fu)位(wei)按鈕(niu)。
復位按鈕
每當按下復(fu)位按鈕時,LED 呈橙色(se)常亮,輸出關(guan)閉,繼電(dian)器打開。
輸出超出限制
如(ru)果(guo)(guo)輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)壓(ya)低于 22.0Vdc,LED 會短時閃爍(shuo)橙色。繼(ji)電(dian)(dian)(dian)器保持關(guan)閉(bi)(bi) 4 秒。如(ru)果(guo)(guo)輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)壓(ya)足夠低足夠長時間,輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)壓(ya)關(guan)閉(bi)(bi),繼(ji)電(dian)(dian)(dian)器打(da)開(kai),LED 呈橙色長短閃爍(shuo),直到(dao)(dao)按(an)下復位按(an)鈕。如(ru)果(guo)(guo)輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)壓(ya)升(sheng)至(zhi) 25.0Vdc 以上,則 LED 以紅(hong)色短-短-短閃爍(shuo)。繼(ji)電(dian)(dian)(dian)器保持關(guan)閉(bi)(bi) 1 秒。如(ru)果(guo)(guo)輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)壓(ya)足夠高且持續時間足夠長,則輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)壓(ya)關(guan)閉(bi)(bi),繼(ji)電(dian)(dian)(dian)器打(da)開(kai),LED 呈紅(hong)色長短短閃爍(shuo),直到(dao)(dao)按(an)下復位按(an)鈕。