Adeunis RF A RF53 Operation & User’s Manual

Text of Adeunis RF A RF53 User Guide:

• A RF53 User Guide Ref. 08-07-V6-lmn p 19 Type Regi ster Function Description Default value Note R/W S219 RS485 delay Delay between DE activation and the first RS485 transmitted byte From 0 up to 160 3 Protocol R/W S220 Protocol ‘2’= hopping all the band ‘3’= hopping low band ‘4’= hopping high band 2 R/W S2

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 7 RS485 wiring The RS485 bus wiring needs only two wires (TX+ is connected to RX+ and TX- is connected to RX- on the PCB) BUS RS485 NAME + Vcc GND A TX+/RX+ B TX- / RX- + - RX TX INHIB RTS CTS TX+ TX- RX+ RX- Connect only TX- or RX- (note 1) Connect only TX+ or RX+ (note 1) Note 1: ¾ TX- is connected to RX- on the PCB ¾ TX+ is connected to RX+ on the PCB ON 1 2 Figure 1: RS485 wiring In order to activate the RS485 management the SW1.1 switch MUST be ON and the S215 value MUST be 1 (see the following table). W ARNING the SW1.1 switch is read only a

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 16 ATSn? Displays the Sn register content where n represents the register number. The response has the following format: Sn=y<cr><lf> ATSn=m Sets the Sn register value with ‘m’. n represents the register number.. AT&W Saves the new register configuration in EEPROM. Each time you switch on the modem, the EEPROM configuration will be loaded in the modem registers. AT/S Displays all register values. The response has the following format: Sxxx=y<cr><lf> for each register. AT/V Software

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 21 Specifications General technical characteristics 902/928 MHz version Operating temperature -30 to +70 °C Power supply 4,5 to 36 Volts (integrated regulator) Size 145x100x40 mm Number of channels 50 FHSS channels Modulation FSK Packaging IP65 Box with integrated or external antenna Transmitter Programmable Frequencies 902,75 to 927,25 MHz through 500 kHz steps Programmable Radiated RF power Up to 27 dBm (500 mW). Tx / Rx consumption 3,2 W / 0,27 W Receiver Receiver Sensitivity Down to -112

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 11 Channel selection S220 = 2: Frequency hopping over the whole 50 channels S220 = 3: Frequency hopping over the lower Sub Band S220 = 4: Frequency hopping over the higher Sub Band ATS200? = Viewing the hopping table (Channel numbers) Air radio rate selection S202 = 0: 10 kbps Narrowband S202 = 1: 57.6 kbps Wideband (Default) Channel rejection The graph below shows the typical channels rejection in WideBand (WB) and NarrowBand (NB) modes. 10 20 30 40 50 60 70 80 -2000 -1750 -1500 -1250 -10

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 3 Compliance to FCC US/CAN This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, ther

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 15 Processing incoming radio frame: the valid data are extracted from the incoming radio packet and internally buffered. The buffered data are sent on the fly to the RS232 module output. AT Commands Description AT commands are interpreted only when the transceiver is in Command mode. Command : are used to read and update the modem parameters A command starts with the 2 ASCII ‘AT’ characters. ‘AT’ means ‘Attention’ follow with one or several characters or other data. Each command is ended

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 23 Glossary TBD To Be Defined NC Not Connected NU Not Used FHSS Frequency Hopping Spread Spectrum FIFO First In First Out WB Wide Band NB Narrow Band ANNEX : Firmware updates Firmware Updates V2.02 Pin code added V1.0 Original version Firmware Updates V6.0 Pin code added (LMN) V4.0 NB configuration when leaving factory V3.0 RF power update + “EASY CHECK” assertions + Power Mgt suppress V2.0 Commands update V1.0 Original version

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 20 without flow control, while using a serial baudrate greater or equal to 9600 bauds will produce data overrun. We recommend to use RTS handshake (S216=0) for serial baudrate greater or equal to the radio rate in order to avoid FIFO buffer overlap. For example with serial baudrate greater or equal to 9600 bauds for Narrow band (radio rate 10 kbits/s) and serial baudrate equal to 57600 bauds for Wide band (radio rate 57600 kbits/s). N OTE 3 when

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 6 N° / SUB-D 9 NOM + Vcc 5 GND 2 RXD 3 TXD + - RX TX RTS CTS TX+ TX- RX+ RX- ON 1 2 7 RTS 5 8 CTS DCE RS232 This is for example the case of a modem connected to a measuring device. RTS and CTS are required only if flow control is used. N° / SUB-D 9 NOM + Vcc 5 GND 3 RXD 2 TXD + - RX T X INHIB RTS CTS T X+ T X- RX+ RX- ON 1 2 8 RTS 7 CTS E ASY CHECK Serial link activity will make the green LED flashing, whatever the selected data rate is right or wrong.

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 9 100 Ω Rt SW1.2 B A B’ / Z A’ / Y R T B / RX- A / RX+ Z / TX- Y / TX+ R T MODEM Network termination 485 RS485 Network EASY CHECK Serial link activity will make the green LED flashing, whatever the selected data rate is right or wrong. Radio communication This modem has 50 channels over the 902-928 MHz Band used through FHSS transmission. Hopping is possible over the whole range but also selectable over up or down sub-bands. These modes can be selecte

• A RF53 User Guide Ref. 08-07-V6-lmn p 18 Type Regi ster Function Description Default value Note R/W S231 RF OUT level Adjusts the RF out level 0 => 20 dBm (100 mW) 1 => 23 dBm (200 mW) 2 => 24,5 dBm (<450 mA for USB power supply) 3 => 27 dBm (500 mW – Not for USB power supply) 3 S

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 13 Command mode The command mode is used to read and update the modem configuration registers using AT command. N OTE The AT command can be locked using ATPWD command. In command mode, the radio is inhibited (reception and transmission), excepted when using test command. Entering command mode: issues on the serial link a +++ sequence. The sequence of 3 consecutive + characters is accepted only if no character have been seen before and after the +++ sequence. Register (S214) defines the silence duration. T IPS 1 if you are using a terminal (such as Hyperterm), you have to send the +++ sequence

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 8 By default the DE and RE lines are asserted LOW, allowing receiving character from the RS485 differential bus. The DE and RE lines are asserted HIGH only when one or several characters have to be transmitted over the RS485 differential bus: when a radio frame is demodulated, the lines are asserted HIGH and then the data extracted from the radio frame are sent to the module TXD line and therefore to the RS485 differential bus. When the last character has been transmitted over the RS485 differential bus, the lines are asserted LOW. Figure 2 : DE/RE timing when data are sent over the serial link Threshold: minimum =

• A RF53 User Guide Ref. 08-07-V6-lmn p 17 Register description The register value could be updated using the ATSn=m<cr> command and displayed using ATSn?<cr> command. At power-up, the previous transceiver configuration is restored from E2PROM (non volatile) to RAM. The registers are located in RAM registers, any modification is performed o

• Adeunis RF A RF53, No part of this document may be reproduced or transmitted (in electronic or paper version, photocopy) without Adeunis RF consent. This document is subject to change without notice. All trademarks mentioned in this guide are the property of their respective owner. ADEUNIS RF 283, rue Louis Néel 38920 Crolles France Phone +33 (0)4 76 92 07 77 Fax +33 (0)4 76 08 97 46 Ref. 08-07-V6-lmn

• Adeunis RF A RF53, A RF53 User Guide Ref. 08-07-V6-lmn p 22 Protocol Serial data rate from 1200 to 57600 bauds (programmable through AT commands) Serial ports TxD, RxD, RTS, CTS. Standard configuration: RS232 port. The RS485 configuration is performed through AT commands Setup and configuration through Hayes commands Modes Transparent or Addressed mode, full custom firmware on demand Embedded protocol ADEUNIS-RF enhanced and versatile RF communications manager Embedded profiles Multimode modem Standards compliance FCC Part 15.247

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