RV-M50-EC Daisy ISM-NA Wireless Modem and GPS Transponder Technical Manual Revision A1 (November 2015) Raveon Technologies Corporation www.raveon.com | www.ravtrack.
RV-M50-EC Technical Manual Table of Contents 1. Overview ............................................................................................................................................... 4 1.1 Input and Output .......................................................................................................................... 4 Universal Wireless Radio Connector ..................................................................................................... 4 LED ................
RV-M50-EC Technical Manual Active Transmission Rate .................................................................................................................... 12 Report Format ..................................................................................................................................... 13 Local Position Information .................................................................................................................. 13 Deep Sleep .................................
RV-M50-EC Technical Manual 1. Overview The Daisy Wireless Modem is a secure, high-performance, longrange wireless access card and GPS transponder. Two data interfaces are available, transparent-link mode and Raveon’s WMX Wireless Packet Format. Modem operation is virtually transparent to the user and the configuration of the modem is done easily through the user serial port. As a GPS transponder, configuration is as simple as setting a report rate.
RV-M50-EC Technical Manual 2. Configuring the Daisy ISM 2.1 Overview The UART serial port on the unit is used to send and receive data over the air, as well as to configure the RF modem. In standard transparent-link operation, the user sends serial data into the TxD pin of the user port, and this data is transmitted over the air. Received data from another RF modem is output to the user via the RxD pin of the user port. This is the default operating condition of the RF modem.
RV-M50-EC Technical Manual RV-M50-EC OK Once in command mode, the instructions in the following sections can be followed to continue radio configuration. Exiting Command Mode To exit command mode and return to data mode, the command EXIT may be used. Alternatively, command mode will timeout after a configurable amount of time, by default 60 seconds. 2.3 Using Commands To execute a command, send the command name and any parameters separated by spaces, followed by a line ending.
RV-M50-EC Technical Manual ATBT Silence BEFORE Sequence – Sets period of silence before the command sequence character in mS. Range: 0-1000 mS ATBW Set/Read Channel Bandwidth See section 3 ATCT Command Time Out – If no valid commands have been received via the serial port within this time period (in milliseconds), modem returns to normal operation mode from Command mode. If the CONFIG button inside the M8 is pressed, this parameter will be automatically set to 60000.
RV-M50-EC Technical Manual ATTE Read product temperature – Read the internal temperature of the unit’s circuit board in degrees Celsius. ATVB Read DC input Voltage– Returns the DC input voltage reading, in mV (12500 = 12.5VDC input). ATVR Firmware Version – Returns firmware version currently loaded on the module. AT&F Restore Factory – Restore to the factory configuration PING Ping another modem. Format is PING xxxx, where xxxx is the ID of the modem to ping.
RV-M50-EC Technical Manual Command GPS GPS&F IDLERATE NMEAOUT NMEAMASK NMEARATE TRIGDX TRIGSPEED TXRATE TRIGSLEEP Command Description GPS Operation Mode. Set the Operating mode. Reset all GPS parameters IDLE TX Interval. Set the number of seconds between position transmissions when the unit is idle (has not moved more than TRIGDX meters). Enable/Disable NMEA messages. Configures output standard NMEA messages (GGA, GLL, RMC) out its serial port. NMEAOUT 0 disables the messages. NMEAOUT 1 enables them.
RV-M50-EC Technical Manual 2.6 Factory Default Settings Standard Factory Settings Channel 1 2 3 Center Frequency 916.3 919.6 922.9 Bandwidth 500kHz 500kHz 500kHz Symbol Rate 37.50 kbps 37.50 kbps 37.50 kbps Serial port ................................................................................ 38400 baud, N/8/1 ID (ATMY)................................................................................. 1234 GPS Option Factory Settings Report Interval.................................................
RV-M50-EC Technical Manual 3. Operational Modes and Configuration 3.1 Channel Configuration and Virtual Channelization About Virtual Channelization With Virtual Channelization, the RV-M50-EC will operate in a proprietary, decentralized, 1-3 channel frequency-agile manner. This unique feature allows networks of RV-M50-EC radios to operate with no central network controller and no requirement that all radios are in range of each other.
RV-M50-EC Technical Manual 2 500kHz 26dBm To comply with FCC regulations, 125kHz channels may only be used if exactly one 500kHz channel and exactly two 125kHz channels are in use. Channel Data Rate Channel data rate is set with ATR2 , where is set according to the table below: ATR2 Setting Bit Rate for 125kHz Channels Bit Rate for 500kHz Channels 6 9.37 kbps 37.50 kbps 7 5.46 kbps 21.87 kbps 8 3.12 kbps 12.50 kbps 9 1.75 kbps 7.03 kbps 10 3.90 kbps 11 2.14 kbps 12 1.
RV-M50-EC Technical Manual 3. Speed See the command section for details on how to configure these values. Report Format A number of output report formats are available, with the most common being $PRAVE, a customized format for wireless GPS transponders. See the OUTPUT command for more detail. Local Position Information The NMEAOUT, NMEARATE and NMEAMASK commands will configure the unit to output its GPS position locally over the user serial port.
RV-M50-EC Technical Manual location of a RADAR target. A plotter or display connected to the modem that supports the TLL message should put an icon on its screen at the location specified. The icon name is the MYID of the modem that transmitted its position over the air. 3.7 $GPGGA NMEA GPS Position Fix Data. This message is the standard position message from a GPS receiver. NMEAOUT 1 $GPGSV NMEA Satellites in view.
RV-M50-EC Technical Manual 3.8 Local NMEA data from the internal GPS The modem may be configured to output standard NMEA 0183 GPS messages from its internal GPS receiver. For GPS tracking, these GPS transponders can receive GPS position reports from other radios, and they may also be configured to output their own GPS location via their serial port.
RV-M50-EC Technical Manual With Bad CRCs: nnn (over-the-air packets with bit errors that were discarded) Bytes received: nnn (number of bytes this modem received, and sent out its serial port) Bytes transmitted: nnn (number of bytes this modem received via the serial port, and over the air) Packets send: nnn (number of packets this modem has transmitted over the air.
RV-M50-EC Technical Manual 5. Mechanical 6. NOTICE There are no user-serviceable points inside this transceiver. All service work must be referred to your Authorized Service Center or Raveon Technologies Service Department. 6.1 Safety Training information Always use this radio with the antenna supplied with it. This radio is restricted to occupational use.
RV-M50-EC Technical Manual This equipment generates, uses, and radiates radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference. However, there is no guarantee that interference will not occur.
