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YL_900IL_915MHz 500mW user manual

1 - 2016-1-12

. General

L_900IL_915MHz= is= a=low=cost,=medium= power,= high= performance= transparent=two=way=semi-

duplex=LoRa=

modulation=transceiver=with=operation=at=868/915Mhz.=It=integrates=with=high=speed=MCU=

from=ST=and=high= performance=RF=IC=SX1276.=Adopting=high=efficiency=forward=error=correction=with=

interleaving=encoding= (FEC)= technology,= it= makes= anti-interference= ability= and= reception= sensitivity=

greatly= improved.= That= guarantees= good= performance= in= the= harsh= environment= such= as= some=

industrial=application.=The=FEC=technique is advanced and unique in radio data communication field.

has=the=UART/RS232/RS485=interface,=that=make=it=is=easy=to=implement=wireless=data=

transmission. It=is flexible for userstoset the baud rate,frequency,=output power,airdata rate etc parameters.=

It=can=transmit=transparent=data=with=large=data=buffer=and=also=can=provide=over=32=channels.=The=compact=

size makes it anideal option for radiodata communication application.

2. Features

 10000 meters of communication distance

（

300bps

）

 Output power: Max 500mW (27dBm) (7 levels adjustable)

 Air data rate: 300 - 19200bps, can be configured through RF tool

 UART data rate: 1200 - 57600bps, can be configured through RF tool

 Frequency: 868MHZ-915MHZ

 Working Current: 450mA(TX), 24.2mA(RX), 1.2mA(idle), 220uA(Sleeping)

 More than 32 channels

 parity of series COM: 8E1/8N1/8O1

 LoRa modulation

 Receive sensitivity: -148dBm(@300bps)

 UART/TTL, RS232, RS485

 Exceed 256 bytes data buffer

 Supply Voltage: 4.5 – 15.0V (the ripple less than ±100mV )

 Simply tool for configuration

 62.5KHz- 500KHz Channel spacing

 Dimension: 59.5mm x 39.6mm x 7.0mm

Summary of content (12 pages)

PAGE 1
YL_900IL_915MHz 500mW user manual 1. General YL_900IL_915MHz=is=a=low=cost,=medium=power,=high=performance=transparent= two= way= semiduplex=LoRa= modulation=transceiver=with=operation=at=868/915Mhz.=It=integrates=with=high=speed=MCU= from=ST=and=high= performance=RF=IC=SX1276.=Adopting=high=efficiency=forward=error=correction=with= interleaving=encoding= (FEC)= technology,= it= makes= anti-interference= ability= and= reception= sensitivity= greatly= improved.
PAGE 2
YL_900IL_915MHz 500mW user manual 3. Application:  Automated Meter Reading (AMR)  Remote control, remote measurement system  Access control  Data collection  Identification system  IT household appliance  Baby monitoring system 4. Maximum specification 5. Pin Out: YL_900IL_915MHz module has 5 pins.
PAGE 3
YL_900IL_915MHz 500mW user manual Table 1: Pin definition 6. Working mode a. Standard mode Standard mode is also called transparent mode in which the module receives from or sends data to the host through serial port (RS232 or RS485) at preset data format and users don’t need to care about the process of data inside the module. The AUX pin of will give indication about the data IN/OUT of serial port 2ms in advance in order to wake up the host.
PAGE 4
YL_900IL_915MHz 500mW user manual detects effective wireless signal, it will then enable the serial port. If there is no data In/Out in 1 second, it will close the serial port and continue the CAD monitor Timing Sequence in Sleep Mode 7. Dimension Figure 1: Size of Module 8. Parameter Configuration Through serial port or using setting tool ‘Rf-Tool’, users can configure relative parameters such as frequency, UART rate, air rate, checkout mode and so on. It is very simply for configuration.
PAGE 5
YL_900IL_915MHz 500mW user manual Table 2: Parameter Specification Figure 2: Interface of RF Tool Users can configure the parameters (frequency, data rate, output power, RF Factor, RF Bandwith etc.) through PC or in circuit. ♦ Setting through PC. port is UART/TTL. When connecting with PC, users need to use USB adapter. AppconWireless provides USB adapter as accessory.
PAGE 6
YL_900IL_915MHz 500mW user manual -6- 2016-1-12
PAGE 7
YL_900IL_915MHz 500mWuser manual Baudrate Parity Frequency RF_Factor Mode RF_BW ID NetID Power Parameter Sequence in Data Section Parameters Length Values Baudrate 1 byte 1=1200, 2=2400, 3=4800, 4=9600, 5=19200,6=38400, 7=57600 Parity 1 byte 0=no parity check, 1=odd parity, 2=even parity Frequency 3 bytes The value=Frequency/61.035. E.g. For 433MHz, the value= 433000000/61.
PAGE 8
YL_900IL_915MHz 500mW user manual Command: 0xAF, 0xAF, 0x00, 0x00, 0xAF, 0x80, 0x03, 0x02, 0x00, 0x00, 0x92, 0x0D, 0x0A Response.: 0xAF, 0xAF, 0x00, 0x00, 0xAF, 0x00, 0x03, 0x02, 0x00, 0x00, 0x92, 0x0D, 0x0A Central Mode Command Code: 0x04 Command: 0xAF, 0xAF, 0x00, 0x00, 0xAF, 0x80, 0x04, 0x02, 0x00, 0x00, 0x93, 0x0D, 0x0A Response.
PAGE 9
YL_900IL_915MHz 500mW user manual Figure 7: Connection between Module and Device(TTL/RS232 port) Figure 8: Connection between Module and Device(RS485 port) 10. Constructing Network (one point to multi-point): is a semi-duplex module, which can be communicated by point to point or one point to multipoint. In the second mode, user needs to set one master module, while the others are slave modules. Every module must only have one unique ID.
PAGE 10
YL_900IL_915MHz 500mW user manual 3）Error control The wireless network module has strong capability of anti-interference because of the high efficiency checking error correction with interleaving encoding technology. However, when it is in a bad circumstance that has strong electric interference, the data may be lost or receive some error data. User can increase the development of the system link layer protocol.
PAGE 11
YL_900IL_915MHz 500mW user manual distance 3．The connection of antenna is bad or it is a wrong kind of antenna 4．Antenna is too close to the surface of metal or the ground 5．Receiving circumstance is very bad, for instance buildings and strong interference. 6．There is interference of the same frequency Receive wrong 1．Wrong setting of COM, for example, Baud rate is wrong data 2．The connection of UART is wrong. 3．The cable to the UART is too long.
PAGE 12
YL_900IL_915MHz 500mW user manual FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.