4-20mA/0-5V To RS485 Converter, 7 Channel

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$139.45

Ex Tax: $139.45

Stock: In Stock
Model: RDDLZ-TR-7-Channel
Weight: 1.00
SKU: RDDLZ-TR-7-Channel

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This 4-20mA to RS485 converter is known for its stability and low power consumption, with a typical power consumption of only 0.08W, making it ideal for long hours of continuous operation. It adopts standard RS485 interface, supports ModBus-RTU protocol, and the signal input and output are strictly optimized to ensure high-quality data transmission. The converter module is compact in size, supports flexible installation, adapts to rail mounting, and is easy and convenient to operate.

Specification

Model	RDDLZ-SN-3002-I20-7	RDDLZ-SN-3002-V05-7
Acquisition Signal	4-20mA	0~5V
DC Power Supply	5-30V
Maximum Power Consumption	0.08W (DC12V)
AD Conversion Resolution	12-bit
Accuracy	Typical accuracy: ±0.1%FS
Communication Interface	ModBus-RTU (2-way, fully independent)
Calibration Method	Numerical range: 0-2
	0: No checksum (None)
	1: Odd parity (ODD)
	2: Even parity (EVEN)
	Default: No parity
Input Resistance	4-20mA: ≤200Ω
	0-5V: ≥10kΩ
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
Working Temperature	-40℃~+60℃
Dimension	122.5mm*70mm
Net Weight	≤550g

Features

7 analog current inputs 4~20mA, voltage inputs 0~5V.
2-channel 485 outputs are completely independent, address baud rate can be set individually.
12-bit resolution, 0.1% accuracy.
ADC supports standard ModBus-RTU communication protocol.
Communication operation indicator, anti-dead watchdog.
With lightning protection, static protection RS485 communication interface, op-amp signal isolation address, baud rate, parity bit can be set through the host computer software.
Configuration software can be set independently of each current or voltage input type anti-reverse connection, over-voltage protection, over-current protection, short-circuit protection.

Dimensional Drawing (unit: mm)

Wiring Drawing

Attention:

The user can switch the current input/voltage input according to the field conditions.

The circuit board needs to be changed accordingly:

If current input is selected, short the shorting cap of the corresponding channel.
If voltage input is selected, remove the shorting cap of the corresponding channel.

Applications

Tips: What input signals does this RS485 converter support?

This 4-20mA/0-5V to RS485 converter supports 7 channels of analog signal inputs, including 4-20mA current signals and 0-5V voltage signals. Each channel can be set independently of the input type, which is suitable for a wide range of sensors and equipment signal acquisition needs, providing a flexible and efficient data transmission solution.

The converter adopts standard RS485 communication interface and supports Modbus-RTU protocol. It is easily compatible with industrial automation systems, PLCs, HMIs and other devices to ensure the stability and accuracy of data transmission. In addition, the communication rate is adjustable and supports multi-device networking to meet complex industrial application scenarios.

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