EMR-A0404 Series 4 analog inputs and 4 analog outputs

4 analog input, 4 analog output, all with 0~5V, 0~10V, 0~20mA, 4~20mA four kinds (total 16 kinds of combinations, please specify the specific input and output types when ordering);

Analog input and analog output are completely isolated from the system;

12-bit resolution, 0.2% sampling accuracy;

Modbus RTU communication protocol, supporting 3, 4, 6, 16 function codes;

AI input has the function of line break detection;

The 485 address range supports 1-254 (up to 250 devices on the same bus);

The power supply has a non-polar input function, which makes the wiring simpler and "capricious";

RS485 communication interface provides photoelectric isolation and 600W surge protection per line;

It has good over-voltage and over-voltage protection and reverse connection protection.

Forcibly initialize module serial port parameters and set 485 address for any serial port parameters

The EMR-A0404 series module is an RS485 four-channel analog input (AI) and four-channel analog output (AO) module. The EMR-A0404 has 16 models, respectively supporting 0~5V, 0~10V, 4~20mA, 0~20mA input and output (for specific models, see the selection table below). EMR-A0404 Input resolution and output resolution are 12 bits. AI has the function of disconnection detection; The analog signal amplifying sampling circuit is isolated from the main circuit to effectively suppress the field interference; High-speed processing chip, with strong data processing capability; The watchdog circuit design can automatically reset EMR-A0404 when there is an accident, ESD, overvoltage, overcurrent protection design to ensure long-term stable and reliable system operation.

At the same time, for industrial applications, EMR-A0404 adopts isolated RS485 communication interface design to avoid the impact of industrial field signals on EMR-A0404 communication interface. With good expansion performance, support up to 250 devices online communication on the same bus; Standard Modbus RTU communication protocol, support a variety of common function codes, so that users can more easily achieve a wide range of SCADA software, HMI equipment and support Modbus RTU PLC equipment and systems integration application; With communication timeout detection function; In addition, we provide free protocols and sample code to make your secondary development more flexible, easy and efficient.

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1. All the items sold by the company, module card parts, etc., the quality problems arising from normal use during the warranty period are replaced free of charge, and there is no evasion.

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