A6312 | EMERSON | Analog current Module

Description

A6312 | EMERSON | Analog current Module

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In industrial automation control, we often encounter various concepts such as switching quantity, digital quantity, analog quantity, pulse quantity, etc., and digital quantity acquisition module is used to collect digital quantity. Under normal circumstances, the A6312 digital quantity we say is a signal type composed of 0 and 1, which is usually a regular signal after coding. However, for the switching quantity, the contact closure can be considered to be 1, and the contact break is 0, such as the DAM-5161 switching quantity input module of Shenzhen Chengkong Electronics is to convert the switching quantity into a digital quantity acquisition signal. The analog quantity can be quantized by the critical value, less than the critical value is 0, greater than or equal to the critical value is 1.
So at a glance, you know the obvious difference that exists, A6312 like the switching quantity is on/off signal, passive signal, resistance test method is resistance 0 or infinity, mainly refers to the amount of opening and opening, refers to the auxiliary contact with a device, such as the auxiliary contact of the relay brought by the motor thermostat is the motor after overtemperature change, The auxiliary contact with the valve CAM switch is changed after the valve switch, the auxiliary contact with the contactor is changed after the contactor action, and the thermal relay is changed after the thermal relay action.

A6312 analog is widely used in PLC system, there are two kinds of analog in PLC system, one is analog voltage, one is analog current, analog voltage is the most common, the most used. Analog voltage is generally 0~10V, parallel equal, long distance transmission is easy to be disturbed, generally used in OEM equipment. Analog current is generally 4~10mA, series equal, strong anti-interference ability, commonly used in DCS system.

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