64MB RAM HMI PLC Combo Portrait Display Passive NPN Transistor Coolmay
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HMI PLC Combo Supports Portrait Display Passive NPN Input Transistor Output
Package includes: * 1 device + cables * Software and manuals. You can download on our website or contact our sales team for links.
Note: (1) The device is
Parameter
PLC analog wiring Two-wire system:the positive pole of the power supply is connected to the positive pole of the transmitter; the negative pole of the transmitter is connected to the AD side; the negative pole of power supply is connected to GND,which normally it is wring way of 4-20mA/0-20mA transmitter. Three-wire system:the positive pole of the power supply is
connected to the positive pole of the transmitter; the negative
pole of the power supply and the negative pole of the signal output
are the same terminal and transmitter signal output is connected to
the AD terminal; Four-wire system:the positive and negative poles of the power supply are respectively connected to the positive and negative poles of the power supply of the transmitter,and the positive and negative poles of the transmitter signal output are respectively connected to the AD and GND terminals; The analog line of the temperature is connected to the AD terminal and the GND terminal respectively. if I is a three-wire Pt100, it needs to be connected in two lines. The GND common terminal of the analog input and output can be shared. PLC anti-interference processing 1,Strong and weak currents should be separated and wired, and not common ground; when there is strong electric interference,magnetic rings should be added on the power supply side; and properly and effectively grounded according to the type of the chassis. 2,when the analog quantity is disturbed, 104 ceramic capacitors can be added for filtering,and a correct and effective grounding can be performed. |
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Product Tags: 64MB RAM HMI PLC Combo HMI PLC Combo Portrait Display Passive NPN Transistor Coolmay HMI |
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