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1W RS232 RS485 Wireless Radio Modem Modbus DTU PLC Communication
1W Wireless Radio Modem 1W RS232 RS485 Modbus DTU PLC Wireless Communication
General Introduction
LS-R324 wireless DTU whose transmission distance reaches 3km LOS, supports wireless communication between Siemens S7-200, S7-300 series PLC, Schneider PLC, Mitsubishi PLC, ABB PLC etc. LS-R324 supports Modbus protocol, including Modbus ASCII and Modbus RTU protocol, PPI protocol.
LS-R324 DTU can also connect with VFD, HMI, PC for wireless communication. It supports point to point, point to multi-points wireless data transmission. Wireless solution has the advantage of keep users from wiring cables in dangerous field, easy to set up, no need program knowledge. It is a reliable and competitive solution.
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: 15 channels
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(2-3km 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 |
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.
Application Example
