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PLC Wireless Control Module Wireless Communication between 2 PLC Modbus RTU
Introduction:
LS-R324 is a 1W wireless DTU
Its control distance 2km
Use for wireless communication between 2 PLC
Instead the RS485 cable
Support Modbus RTU
Application:
Water/waste water treatment field
Wind speed, rainfall, humidity etc data collection
Temperature, humidity, concentrations of CO2 etc data collection
Wireless data collection and transmission
Wireless communication between PLC and sensors
Parameter:
Power output: 24V DC
RF power: 1W
Air baud rate: 1,200/2,400/4,800/9,600/19,200bps choose one
Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps programmable
Frequency band: 433, 450, 470 or others
Interface: RS-232, RS-485 and USB
Communication mode: Half-duplex
Channel: 8(default), 16/32(customized)
Receive current: <45mA
Receive sensitivity: -123dBm @ 1,200bps); -118dBm @ 9,600bps)
Transmitting current: <500mA
RF line-of-sight range: 2km (BER=10-5@9600bps); 3km (BER=10-5 @ 1,200bps)
Size: 175*115*32mm (without antenna port)
| Frequency | 433MHz or 450MHz, 470MHz |
| Power Output | 1W(3000m LOS) |
| Protocol support | Standard Modbus RTU protocol or user-defined protocol |
| Power supply | 9-36V DC usually use 24V DC or 12V DC |
| Interface | RS-485(default)or RS232 or USB |
| Channel No. | 15 channel, use DIP to change |
| Antenna | Free sucker antenna with 1.5m cable(buy 5.5dBi sucker antenna) |
| Temperature | -35℃~+75℃ (industrial) |
| Dimension | 175×115×32(mm) exclude antenna |
| Fix method | Screw |
Pin Definition:
Support RS232, RS485, USB, you can use DIP switch to program
About the LED indicator
a. When module is power on, POWER LED is always ON (red).
b. When module enter to set mode (DIP 8 ON), SET LED is always ON (red).
c. When module is transmitting,
if you use RS232 port, RS232 LED blinks (green) regularly.
if you use RS485 port, RS485 LED blinks (green) regularly.
if you use USB port, USB LED blinks (green) regularly.
d. When module is receiving, RF LED blinks (blue) regularly.
