Introduction:
LS-U100S-RS485 is a UHF band 100mW data module. With elegant plastic casing, it is convenient for you to connect with RS485 devices. Easy to install, no program needed, no communication fee.
Parameter:
· Power output: 5V DC
· RF power: 100mW
· 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, 868, 915 or ISM others
· Interface: RS485
· Communication mode: half-duplex
· Channel: 8(default), 16/32(customized)
· Receive current:<40mA(TTL connect)
· Receive sensitivity: -123dBm @ 1,200bps); -118dBm @ 9,600bps)
· Transmitting current:<100mA
· RF line-of-sight range: 600m (BER=10-5@9600bps); 1,000m (BER=10-5 @ 1,200bps)
· Size: 68x 45 x 18mm (without antenna port)
Application:
Queuing machine wireless control
LED display/ LED sign
Factory automation
Handhold device
Irrigation system
RS485 to wireless
Robotics control
Home automation
PIN Definition:
Red cable---VCC 5V (Power supply DC)
Black cable----GND (Grounding of power supply)
Blue cable----485 A
Yellow cable---485 B
Pin No. | Signal Name | Function | Level | Connection with terminal | Remarks |
1 | GND | Grounding of power supply | Ground | ||
2 | VCC | Power supply DC | 5V | ||
3 | RxD/TTL | Data receiving | TTL | TxD | |
4 | TxD/TTL | Data transmitting | TTL | RxD | |
5 | SGND | Signal | |||
6 | A (TXD) | A of RS-485 (TxD of RS-232) | A(RxD) | ||
7 | B (RXD) | B of RS-485 (RxD of RS-232) | B(TxD) | ||
8 | SLEEP | Sleep control | TTL | Sleep signal | Low level valid |
9 | TEST | Factory testing |
