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MNS低壓抽屜柜的出廠檢測四大步

發(fā)布時間:2023-03-14 來源:http://www.kisansushi.com/ 瀏覽量:

無論是什么設備在出廠前都是要按照相關的設計要求進行檢測的,只有設備在符合各項標準之后才能出廠。MNS低壓抽屜柜也是如此,那它的成功出廠需要經(jīng)過哪些檢驗呢?下面MNS低壓抽屜柜廠家為大家介紹MNS低壓抽屜柜的出廠檢測四大步,感興趣的朋友可以了解一下。
No matter what equipment is delivered, it shall be tested according to relevant design requirements, and it can only be delivered after it meets various standards. The same is true for MNS low-voltage drawer cabinet. What tests are required for its successful delivery? The manufacturer of MNS low-voltage drawer cabinet will introduce the four major steps of factory inspection of MNS low-voltage drawer cabinet for you. Interested friends can learn about it.
一、MNS低壓抽屜柜的測試準備
1、 Test preparation of MNS low-voltage drawer cabinet
1、MNS低壓抽屜柜或IO柜上電前一定要切除全部電源開關。
1. Before powering on MNS low-voltage drawer cabinet or IO cabinet, all power switches must be cut off.
2、MNS或DCS卡件與外部的連接一定要全部切斷。
2. All connections between MNS or DCS cards and the outside must be cut off.
3、檢查各電源端子導線及連接裝置壓接是否緊密,電源線虛接會導致儀表或電器燒毀。
3. Check whether the power terminal wires and connecting devices are tightly crimped. False connection of the power line will cause the instrument or electrical appliance to burn.
4、檢查各種儀表、電器硬件設置與設計要求是否一致;檢查端子板電源設置、回路設置與設計要求是否一致。
4. Check whether the hardware settings of various instruments and electrical appliances are consistent with the design requirements; Check whether the power supply and circuit settings of the terminal board are consistent with the design requirements.
二、MNS低壓抽屜柜的上電檢測
2、 Power-on detection of MNS low-voltage drawer cabinet
1、原則:從總電源開始逐個分級送電,送電前檢查開關輸入側電壓是否正常以及開關輸出側阻抗是否正常,輸出側電阻較小時應分析原因進行確認。柜內(nèi)儀表不允許一次性多個儀表同時送電,一塊儀表上電正常后再投入下一塊。
1. Principle: start from the main power supply to deliver power one by one. Before power transmission, check whether the voltage at the input side of the switch is normal and whether the impedance at the output side of the switch is normal. If the resistance at the output side is small, analyze the reason for confirmation. Multiple instruments in the cabinet are not allowed to be powered on at the same time. One instrument can be put into operation after it is powered on normally.
2、MNS低壓抽屜柜廠家提醒大家在總電源合閘前應先確認交流電壓等級是否符合要求。帶有兩路交流電源進線且不帶自動切換時應嚴格注意避免并接,帶自動切換時應空載測試雙電源自動切換裝置是否正常動作。
2. The manufacturer of MNS low-voltage drawer cabinet reminded everyone to confirm whether the AC voltage level meets the requirements before closing the main power supply. When there are two incoming lines of AC power supply and there is no automatic switching, strict attention shall be paid to avoid parallel connection. When there is automatic switching, no-load test shall be conducted to check whether the automatic switching device of dual power supply operates normally.
MNS低壓抽屜柜
3、交流供電正常后再給直流電源送電,檢查直流電源輸出電壓是否正常,是否正常送各直流開關入口側。
3. After the AC power supply is normal, power on the DC power supply. Check whether the output voltage of the DC power supply is normal and whether it is normally sent to the inlet side of each DC switch.
4、檢查直流電源是否送各用電設備端子,包括MNS擴展模塊電源端子。檢查完成后可以暫時關閉不用的儀表以等待下一步測試。
4. Check whether the DC power supply is sent to the terminals of all electrical equipment, including the power supply terminals of the MNS expansion module. After the inspection, the unused instruments can be temporarily closed to wait for the next test.
三、MNS低壓抽屜柜的信號注入
3、 Signal injection of MNS low-voltage drawer cabinet
使用信號發(fā)生器向儀表注入信號時一定要明確注入點的性質和信號發(fā)生器的輸出類型。電壓信號不允許注入電流信號輸入端。AI輸入端要根據(jù)信號類型(2線制、四線制、電壓、電阻、mv等)在儀表信號輸入端帶電注入對應信號,選錯信號會導致信號發(fā)生器或儀表燒毀。
When using the signal generator to inject signals into the instrument, it is necessary to clarify the nature of the injection point and the output type of the signal generator. The voltage signal is not allowed to inject into the current signal input terminal. AI input terminal shall inject corresponding signals into the instrument signal input terminal according to the signal type (2-wire system, four-wire system, voltage, resistance, mv, etc.). Selecting the wrong signal will cause the signal generator or instrument to burn.
四、MNS低壓抽屜柜的注意事項
4、 Precautions for MNS low-voltage drawer cabinet
1、儀表或MNS帶電時,在電流信號輸出端子上不允許注入電流信號,會導致燒表。
1. When the instrument or MNS is electrified, it is not allowed to inject current signal on the current signal output terminal, which will cause the meter to burn.
2、不允許使用電阻檔測量帶電設備或元件的電阻或通斷,違犯本要求會導致電阻檔燒毀。
2. It is not allowed to use the resistance gauge to measure the resistance or on-off of live equipment or components. Violation of this requirement will cause the resistance gauge to burn.
3、電阻箱是一種信號發(fā)貨時呢過器,只能作為模擬電阻溫度信號源使用,不允許隨意做為可變電阻進行其它試驗。
3. The resistance box is a kind of signal transmitter at the time of delivery. It can only be used as the analog resistance temperature signal source. It is not allowed to be used as a variable resistance for other tests at will.
4、將電流表串入回路測電流時應確認電流范圍選用合適的檔位。
4. When the ammeter is connected in series to the circuit to measure the current, it should be confirmed that the current range is selected as the appropriate gear.
其實,MNS低壓抽屜柜在設計過程中出現(xiàn)一些錯誤配線或者是設置失誤的現(xiàn)象是正常的,不過我們應該采取有效的措施盡量地避免,而上述的四大步驟就能夠有效地避免一些問題,實現(xiàn)MNS低壓抽屜柜的成功出廠。更多相關內(nèi)容就來我們網(wǎng)站http://www.kisansushi.com咨詢吧!
In fact, it is normal for MNS low-voltage drawer cabinet to have some wrong wiring or wrong setting in the design process, but we should take effective measures to avoid as much as possible, and the above four steps can effectively avoid some problems and achieve the successful delivery of MNS low-voltage drawer cabinet. Come to our website for more relevant content http://www.kisansushi.com Ask!

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