1783-BMS10CGN 羅克韋爾自動化AB模塊化管理型交換機1783-BMS20CGP

1783-BMS10CGN 羅克韋爾自動化AB模塊化管理型交換機1783-BMS20CGP

產品詳情資料

1、PWR（電源）燈亮否？

如果不亮，在采用交流電源的框架的電壓輸入端（98-162VAC或195-252VAC）檢查電源電壓；對于需要直流電壓的框架， 測量+24VDC和0VDC端之間的直流電壓，如果不是合適的AC或DC電源，則問題發生在SR PLC之外。如AC或DC電源電壓正常，但PWR燈不亮，檢查保險絲， 如必要的話，就更換CPU框架。

2、PWR（電源）燈亮否？

如果亮，檢查顯示出錯的代碼，對照出錯代碼表的代碼定義，做相應的修正。

3、RUN（運行）燈亮否？

如果不亮，檢查編程器是不是處于PRG或LOAD位置，或者是不是程序出錯。如RUN燈不亮，而編程器并沒插上，或者編程器處于RUN方式 且沒有顯示出錯的代碼，則需要更換CPU模塊。

4、BATT（電池）燈亮否？

如果亮，則需要更換鋰電池。由于BATT燈只是報警信號，即使電池電壓過低，程序也可能尚沒改變。更換電池以后， 檢查程序或讓PLC試運行。如果程序已有錯，在完成系統編程初始化后，將錄在磁帶上的程序重新裝入PLC。

5、在多框架系統中,如果CPU是工作的,可用RUN`繼電器來檢查其它幾個電源的工作。如果RUN繼電器未閉合(高阻態),按上面講的步檢查AC或DC電源如AC 或DC電源正常而繼電器是斷開的,則需要更換框架。

一般查找故障步驟

其他步驟于用戶的邏輯知識有關。下面的一些步驟，實際上只是較普通的，對于您遇到的特定的應用問題，尚修改或調整。查找故障的工具就是 您的感覺和經驗。首先，插上編程器，并將開關打到RUN位置，然后按下列步驟進行。

1、如果PLC停止在某些輸出被激勵的地方，一般是處于中間狀態，則查找引起下一步操作發生的信號（輸入，定時器，線川，鼓輪控制器等）。 編程器會顯示那個信號的ON/OFF狀態。

2、如果輸入信號，將編程器顯示的狀態與輸入模塊的LED指示作比較，結果不一致，則更換輸入模塊。入發現在擴展框架上有多個模塊要更換， 那么，在您更換模塊之前，應先檢查I/O擴展電纜和它的連接情況。

3、如果輸入狀態與輸入模塊的LED指示指示一致，就要比較一下發光二極管與輸入裝置（按鈕、限位開關等）的狀態。入二者不同，測量一下輸入 模塊，如發現有問題，需要更換I/O裝置，現場接線或電源；否則，要更換輸入模塊。

4、如信號是線圈，沒有輸出或輸出與線圈的狀態不同，就得用編程器檢查輸出的驅動邏輯，并檢查程序清單。檢查應按從有到左進行， 找出不接通的觸點，如沒有通的那個是輸入，就按和第三步檢查該輸入點，如是線圈，就按第四步和第五步檢查。要確認使主控繼電器步影響邏輯操作。

5、如果信號是定時器，而且停在小于999.9的非零值上，則要更換CPU模塊。

6、如果該信號控制一個計數器，首先檢查控制復位的邏輯，然后是計數器信號。按上述2到5部進行。

英文產品詳細信息

1. Is the PWR (power supply) light on?

If it does not light up, check the power supply voltage at the voltage input terminal (98-162VAC or 195-252VAC) of the frame using AC power supply; For frames that require DC voltage, measure the DC voltage between the+24VDC and 0VDC terminals. If it is not a suitable AC or DC power source, the problem occurs outside of the SR PLC. If the AC or DC power supply voltage is normal, but the PWR light is not on, check the fuse, and if necessary, replace the CPU frame.

2. Is the PWR (power supply) light on?

If it is on, check the displayed error code, compare it with the code definition in the error code table, and make corresponding corrections.

3. Is the RUN light on?

If it does not light up, check if the programmer is in the PRG or LOAD position, or if there is a program error. If the RUN light is not on and the programmer is not plugged in, or if the programmer is in RUN mode and no error code is displayed, the CPU module needs to be replaced.

4. Is the BATT light on?

If it is on, the lithium battery needs to be replaced. Due to the fact that the BATT light is only an alarm signal, even if the battery voltage is too low, the program may not have changed yet. After replacing the battery, check the program or have the PLC test run. If the program has errors, after completing system programming initialization, reload the program recorded on the tape into the PLC.

5. In a multi frame system, if the CPU is working, the RUN relay can be used to check the operation of several other power supplies. If the RUN relay is not closed (high resistance state), check the AC or DC power supply according to the above steps. If the AC or DC power supply is normal and the relay is disconnected, the frame needs to be replaced.

General troubleshooting steps

The other steps are related to the user's logical knowledge. The following steps are actually just ordinary and need to be modified or adjusted for the specific application issues you encounter. The tool for finding faults is your perception and experience. Firstly, plug in the programmer and turn the switch to the RUN position, then follow the following steps.

1. If the PLC stops at a point where certain outputs are excited, usually in an intermediate state, then look for the signal that causes the next operation to occur (input, timer, wire flow, drum controller, etc.). The programmer will display the ON/OFF status of that signal.

2. If the status displayed by the programmer is not consistent with the LED indication of the input module when inputting the signal, replace the input module. There are multiple modules on the expansion framework that need to be replaced, so before you replace the module, you should first check the I/O expansion cable and its connection.

3. If the input status is consistent with the LED indication of the input module, it is necessary to compare the status of the LED with the input device (button, limit switch, etc.). The two are different. Measure the input module and if any problems are found, replace the I/O device, on-site wiring, or power supply; Otherwise, replace the input module.

4. If the signal is a coil and there is no output or the output is different from the state of the coil, a programmer must be used to check

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