Name: Analog Wireless RTU 420mA Signal Wireless Transmitter 2km Wireless Control
Brand: Lensen
Price: 1 USD

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Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control

Categories	Wireless Control Module
Brand Name:	Lensen
Model Number:	LS-RAI02+LS-R324
Place of Origin:	China
MOQ:	2pcs
Price:	Negotiation
Payment Terms:	T/T, Western Union
Supply Ability:	6000pcs/month
Delivery Time:	2-7 days
Packaging Details:	standard carton
Frequency:	433MHz
Power output:	1W
Input:	analog 4-20mA
Distance:	2km
Protocol:	RS485 modbus RTU
Program:	needed

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Shenzhen Qianhai Lensen Technology Co., Ltd

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Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control

Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control

LS-RAI02 Parameter

Frequency	433MHz or 450MHz or 470MHz
Power output	100mW(600m),1000mW(3000m)
Products	2AI,4AI,2AO,4AO
Input type	4-20mA or 0-5V or 0-10V
Output type	4-20mA or 0-5V or 0-10V
Resolution ratio	24 bit
Accuracy	±0.02%
Power supply	9-36V DC usually use 24V DC
Interface	RS-485
Channel No.	16ch default, can program via DIP switch
Antenna	Sucker antenna with 1.5m cable
Working temperature	-35℃~+75℃ industrial
Working humidity	10%～90% relative humidity, no condensation
Dimension	2AI,4AI	115×90×40(mm)
	2AO,4AO
Fix way	Standard 3.5 inch industrial DIN guild rail

LS-RDIO0202 Parameter

Parameter
Power output:	1W (or 100mW version)
Power supply:	9V-30V (usually choose 24V DC or 12V DC)
Control distance:	3km (or 1km version)
Baud rate:	1200bps
Receiving sensibility:	-123dBm@1200bps, -118dbm(9600bps)
Networking
Networking:	Point to point and point to multipoint
Protocol:	Modbus RTU protocol
Port Description
Input:	2 active inputs (passive customize), isolated
Output:	2 passive relay outputs, isolated contact max load AC250V/5A,DC30V/5A (active outputs 0-5V customize)
Communication port	RS485 (wireless RS485 customize)
Current
Transmit current:	<600mA (or 100mA version)
Receiving current:	<50mA (or 20mA version)
General
Frequency:	433MHz, 400, 450, 470 or other band
Channel No:	16 channels, can change via DIP switch
Physical Properties
Dimension:	115×90×40(mm)
Antenna Connector:	SMA,vehicle antenna with 1.5m cable
Temperature:	-35℃~+75℃( industrial)
Mounting method:	Standard 3.5 inch industrial guild rail

It is 1 master to many slaves application. Support Modbus RTU protocol.

Master is the PLC at RO plant. This side we recommend a LS-R324 to connect with PLC and RO Plant. LS-R324 is to collect all slave's data, forward to PLC for analysis. PLC process data, give command to RO Plant.

Slaves are the sensors on tank, the valves and the pumps.

a. About level sensors, there are 2 types, because there is salt water, to avoid Corrosion, we don't suggest thrown-in type sensor. Ultrasonic level sensor is more recommended.

Each sensor, you need an analog I/O module to collect and transmit the level sensor's 4-20mA signal to PLC. Use our LS-RAI02 module, it has 2 analog inputs.

b. About the pump, each one, you need a digital I/O module to start or close the pump. It is to control when we should intake water according tank level. Here we recommend LS-RDIO0202, it has 2 digital inputs and 2 relay outputs.

c. About the valves, each one, you need a digital I/O to start or close the valve. It is to control when we should blow off water according the tank level. Here we recommend LS-RDIO0202, it has 2 digital inputs and 2 relay outputs.

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Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control

Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control

Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control

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Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control