1783-BMS10CGN 罗克韦尔自动化AB模块化管理型交换机1783-BMS20CGP

1783-BMS10CGN 罗克韦尔自动化AB模块化管理型交换机1783-BMS20CGP

产品详情资料

1、PWR（电源）灯亮否？

如果不亮，在采用交流电源的框架的电压输入端（98-162VAC或195-252VAC）检查电源电压；对于需要直流电压的框架， 测量+24VDC和0VDC端之间的直流电压，如果不是合适的AC或DC电源，则问题发生在SR PLC之外。如AC或DC电源电压正常，但PWR灯不亮，检查保险丝， 如必要的话，就更换CPU框架。

2、PWR（电源）灯亮否？

如果亮，检查显示出错的代码，对照出错代码表的代码定义，做相应的修正。

3、RUN（运行）灯亮否？

如果不亮，检查编程器是不是处于PRG或LOAD位置，或者是不是程序出错。如RUN灯不亮，而编程器并没插上，或者编程器处于RUN方式 且没有显示出错的代码，则需要更换CPU模块。

4、BATT（电池）灯亮否？

如果亮，则需要更换锂电池。由于BATT灯只是报警信号，即使电池电压过低，程序也可能尚没改变。更换电池以后， 检查程序或让PLC试运行。如果程序已有错，在完成系统编程初始化后，将录在磁带上的程序重新装入PLC。

5、在多框架系统中,如果CPU是工作的,可用RUN`继电器来检查其它几个电源的工作。如果RUN继电器未闭合(高阻态),按上面讲的步检查AC或DC电源如AC 或DC电源正常而继电器是断开的,则需要更换框架。

一般查找故障步骤

其他步骤于用户的逻辑知识有关。下面的一些步骤，实际上只是较普通的，对于您遇到的特定的应用问题，尚修改或调整。查找故障的工具就是 您的感觉和经验。首先，插上编程器，并将开关打到RUN位置，然后按下列步骤进行。

1、如果PLC停止在某些输出被激励的地方，一般是处于中间状态，则查找引起下一步操作发生的信号（输入，定时器，线川，鼓轮控制器等）。 编程器会显示那个信号的ON/OFF状态。

2、如果输入信号，将编程器显示的状态与输入模块的LED指示作比较，结果不一致，则更换输入模块。入发现在扩展框架上有多个模块要更换， 那么，在您更换模块之前，应先检查I/O扩展电缆和它的连接情况。

3、如果输入状态与输入模块的LED指示指示一致，就要比较一下发光二极管与输入装置（按钮、限位开关等）的状态。入二者不同，测量一下输入 模块，如发现有问题，需要更换I/O装置，现场接线或电源；否则，要更换输入模块。

4、如信号是线圈，没有输出或输出与线圈的状态不同，就得用编程器检查输出的驱动逻辑，并检查程序清单。检查应按从有到左进行， 找出不接通的触点，如没有通的那个是输入，就按和第三步检查该输入点，如是线圈，就按第四步和第五步检查。要确认使主控继电器步影响逻辑操作。

5、如果信号是定时器，而且停在小于999.9的非零值上，则要更换CPU模块。

6、如果该信号控制一个计数器，首先检查控制复位的逻辑，然后是计数器信号。按上述2到5部进行。

英文产品详细信息

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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