How to correctly install the PLC analog module? -Solutions - Huaqiang Electronic Network

L0504-Murata muRata common mode inductor 90Ω 150mA

Use the following methods to ensure that the installation is correct and reliable:
• Ensure that the 24 VDC sensor supply is noise-free and stable.
• The sensor cable is as short as possible.
• Use a shielded twisted pair for the sensor cable.
• Terminate the shield only on the sensor side.
• Unused channels should be shorted.
• Avoid bending the wires at an acute angle.
• Use cable ducts for wire bonding.
• Avoid placing signal lines parallel to high energy lines. If the two lines must coincide, they should intersect at the correct angle.
• Ensure that the input signal range is within the common mode voltage specified by the specification by isolating the input signal or selecting the common terminal of the external 24 V supply as the input signal reference point.
Note: The common mode voltage of the common mode voltage analog module is less than 12V, so be careful when using the 2-wire sensor. If the current is selected on the M side, the voltage of the signal and the power supply M are common. The reference point, the common mode voltage is the signal voltage, which meets the requirements; and when the acquisition point is selected on the 24V side, the common mode voltage is 24V, which exceeds 12V, and the module does not work normally.

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