RS485 to 4-20mA/0-5V/0-10V Converter, 2 Channel

$87.49

ATO offers this RS485 converter is an industrial standard analog output converter, supporting 2-channel outputs with ranges of 4-20mA, 0-5V, and 0-10V. The application layer adopts the standard ModBus-RTU protocol, which conforms to the industrial standard, and is convenient for communication with the upper computer, which can realize rapid networking and build a monitoring system.

Output Signal *

SKU: ATO-RT-2-Channel

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Delivery date: 6-12 days

Overview

The energy-saving and efficient dual-channel RS485 to analog signal converter is a must-have tool for industrial control, providing a wide range of 4-20mA, 0-5V, and 0-10V signal outputs with high compatibility to meet different system requirements. The converter is based on ModBus-RTU protocol for stable and reliable communication and supports address range 1-254 with flexible baud rate adjustment. 12-bit AD conversion resolution and ±0.1%FS typical accuracy ensure highly accurate signal output.

Specification

Model	ATO-SN-3001-I20-2	ATO-SN-3001-V05-2	ATO-SN-3001-V10-2
Output Signal	4~20mA	0~5V	0~10V
DC Power Supply	5-30V
Maximum Power Consumption	0.08W (DC12V)
Operating Temperature	-40℃~+60℃
AD Conversion Resolution	12 bits
Accuracy	Typical accuracy: -0.1%FS
Communication Interface	ModBus-RTU
Address Range	1-254(default 1)
Baud Rate	Numeric range: 0-7
	0: 2400bps
	1: 4800bps
	2: 9600bps
	3: 19200bps
	4: 38400bps
	5: 57600bps
	6: 115200bps
	7: 1200bps
	Default: 4800bps
Output Impedance	4-20mA: ≤200Ω
	0-5V: ≥10kΩ
Dimension	88mm*φ2.5mm
Net Weight	350g

Features

Supports 2 analog outputs of current type and voltage type, each output type is selectable.
12-bit resolution, 0.1% accuracy.
ADC supports standard ModBus-RTU communication protocol.
With lightning, static protection RS485 communication interface, op amp signal isolation address, baud rate can be set through the host computer software.
With anti-reverse connection, over-voltage protection, over-current protection, short circuit protection.

Dimensional Drawing (unit: mm)

RS485 4-20mA 0-10V converter 2 channel size

Wiring Drawing

RS485 4-20mA 0-10V converter 2 channel wiring drawing

Note: The circuit board needs to be modified accordingly.

If current input is selected, short the left and center pins of the shorting cap corresponding to the number of circuits.
If voltage input is selected, short the right and center pins of the corresponding shorting cap. I and V are indicated on the circuit board.

Applications

RS485 converter application

Tips: Why is there a problem of unstable output signal?

The unstable output signal is usually caused by the following reasons:

Power supply problem: Check whether the power supply voltage is stable and meets the converter requirements.
Wiring problem: Make sure the RS485 communication and analog output are wired correctly to avoid short circuit or poor contact.
Communication interference: RS485 line may be subject to electromagnetic interference, need to use shielded wire and proper grounding.
Configuration error: Check whether the software configuration matches the actual demand.
If the problem persists, it is recommended to contact the manufacturer's technical support for further assistance.

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