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UR9KH綜合保護(hù)裝置
遠(yuǎn)程接通外部電壓源1。將外部12-24 DC電源或12-24 VAC電源連接到TB4上的端子1和2。必須拆除端子2和3之間的連接。注：端子對(duì)直流極性敏感。端子1（正極）和端子2（負(fù)極）。干觸點(diǎn)1。在TB4的端子2和3之間連接一個(gè)n/o電壓開關(guān)或接觸器。3.4遠(yuǎn)程啟動(dòng)/停止操作（24V遠(yuǎn)程開啟選項(xiàng)不可用）啟動(dòng)/停止功能可以通過雙線控制（單極、單擲、維護(hù)觸點(diǎn)開關(guān)）或三線控制（常開“啟動(dòng)”按鈕開關(guān)和常閉“停止”按鈕開關(guān)）。繼電器線圈工作電壓可以從電源本身內(nèi)部提供，也可以從遠(yuǎn)程電源外部提供。（功率繼電器K1的線圈額定電壓見主示意圖）。注意：對(duì)于遠(yuǎn)程三線控制，前面板的START（啟動(dòng)）和STOP（停止）按鈕仍可用作本地控制。通過遠(yuǎn)程雙線控制，前面板START（啟動(dòng)）和STOP（停止）按鈕被禁用。警告：配備過電壓保護(hù)選項(xiàng)的裝置不應(yīng)使用雙線控制，因?yàn)樵贠VP跳閘的情況下，電源繼電器K1會(huì)反復(fù)打開和關(guān)閉，可能會(huì)損壞OVP和其他部件。3.4.1三線控制，內(nèi)部電源拆除端子TB2-1和2之間的跳線。將“停止”開關(guān)（常閉）連接在端子TB2-1和2之間，將“啟動(dòng)”開關(guān)（常開）連接到端子TB2-2和3之間。
三線控制，外部電源
拆除端子TB2-1和2之間以及端子TB2-4和5之間的跳線。連接端子TB2-2和3之間的“啟動(dòng)”開關(guān)。連接端子TB 2-2和外部電源一側(cè)之間的“停止”開關(guān)。將外部電源的另一側(cè)連接到端子TB2-4。3.4.3雙線控制，內(nèi)部電源拆除端子TB2-1和2之間的跳線。連接端子TB2-1-和3之間的開關(guān)。3.4.4雙線控制、外部電源拆除端子TB 2-1和2中以及端子TB2-4-5之間的跳線。在端子TB2-3和外部電源一側(cè)之間連接開關(guān)。將外部電源的另一側(cè)連接到端子TB2-4。3.4.5遠(yuǎn)程聯(lián)鎖拆除端子TB2-4~5之間的跳線。任何數(shù)量的聯(lián)鎖觸點(diǎn)都可以與這些端子串聯(lián)，以抑制電源繼電器K1的操作。這些觸點(diǎn)可能與檢修門、冷卻系統(tǒng)、電源順序繼電器等相關(guān)。調(diào)整程序1。將電壓控制完全逆時(shí)針設(shè)置，電流和OV ADJ控制完全順時(shí)針設(shè)置。將電源開關(guān)轉(zhuǎn)到“ON”位置，然后按下START（啟動(dòng)）按鈕。2.使用電壓控制將輸出電壓設(shè)置為所需的跳閘點(diǎn)。3.逆時(shí)針緩慢轉(zhuǎn)動(dòng)OV ADJ控制，直到OVP跳閘。這由兩個(gè)模式指示燈熄滅和主接觸器斷開指示。4.完全逆時(shí)針設(shè)置電壓控制。5.等待2分鐘。6.按下START（啟動(dòng)）按鈕，用voltage（電壓）控制緩慢增加輸出電壓，以驗(yàn)證OVP在正確電壓下跳閘。
REMOTE TURN-ON
External Voltage Source 1. Connect either an external 12-24 DC voltage supply or a 12-24 VAC voltage supply to terminals 1 and 2 on TB4. The link between terminals 2 and 3 must be removed. NOTE: Terminals are polarity sensitive to DC. Terminal 1 (plus) and Terminal 2 (negative). Dry Contact 1. Connect an n/o voltage switch or contactor between terminals 2 and 3 of TB4. 3.4 REMOTE START/STOP OPERATION (NOT AVAILABLE WITH 24V REMOTE TURN-ON OPTION) The start/stop function may be controlled from a remote location by means of either two wire control (single-pole, single-throw, maintenance contact switch) or three wire control (normally open "start" push button switch and normally closed "stop" push button switch). Relay coil operating voltage can be supplied internally from the power supply itself, or externally from a remote source. (See main schematic diagram for coil voltage rating of power relay K1). NOTE: With remote three wire control, the front panel START and STOP buttons still function as local controls. With remote two wire control, the front panel START and STOP buttons are disabled. CAUTION Two wire control should not be used on units equipped with the overvoltage protection option, since in the event the OVP trips, the power relay K1 will open and close repeatedly, probably causing damage to the OVP and other components. 3.4.1 THREE-WIRE CONTROL, INTERNAL SOURCE Remove the jumper between terminals TB2-1 and 2. connect the "Stop" switch (normally closed) between terminals TB2-1 and 2 and the "Start" switch (normally open) between terminals TB2-2 and 3.
THREE-WIRE CONTROL, EXTERNAL SOURCE
Remove the jumpers between terminals TB2-1 and 2 and between terminals TB2-4 and 5. Connect the "Start" switch between terminals TB2-2 and 3. Connect the "Stop" switch between terminals TB2-2 and one side of the external source. Connect the other side of external source to terminal TB2-4. 3.4.3 TWO-WIRE CONTROL, INTERNAL SOURCE Remove the jumper between terminals TB2-1 and 2. Connect the switch between terminals TB2-1 and 3. 3.4.4 TWO-WIRE CONTROL, EXTERNAL SOURCE Remove the jumpers between terminals TB2-1 and 2 and between terminals TB2-4 and 5. Connect the switch between terminal TB2-3 and one side of the external source. Connect the other side of the external source to terminal TB2-4. 3.4.5 REMOTE INTERLOCK Remove the jumper between terminals TB2-4 and 5. Any number of interlock contacts may be connected in series with these terminals to inhibit operation of power relay K1. These contacts may be associated with access doors, cooling systems, power sequencing relays, etc.ADJUSTMENT PROCEDURE 1. Set the VOLTAGE control fully counterclockwise, and the CURRENT and OV ADJ controls fully clockwise. Turn the power switch to the "ON" position and press the START button. 2. Set the output voltage to the desired tripping point with the VOLTAGE control. 3. Turn the OV ADJ control slowly counterclockwise until the OVP trips. This is indicated by both mode indicator lights being extinguished and the main contactor disengaging. 4. Set the VOLTAGE control fully counterclockwise. 5. Wait 2 minutes. 6. Press the START button and increase the output voltage slowly with the VOLTAGE control to verify that the OVP trips at the correct voltage.
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