Cirronet 802.15.4 Technical Reference Download

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ZN-241G

802.15.4 Radio

Technical Reference

3079 Premiere Pkwy, Ste. 140

Duluth, Georgia 30097

www.cirronet.com

+1 678 684-2000

Summary of Contents for 802.15.4

Page 1: ...ZN 241G 802 15 4 Radio Technical Reference 3079 Premiere Pkwy Ste 140 Duluth Georgia 30097 www cirronet com 1 678 684 2000...

Page 2: ...eeded if personnel come closer than 20 cm to the apertures of any of these antennas Approved Antennas 5 dBi Collinear Nearson Antennas Colinear Colinear 5 dBi 5 dBi 7 7 SMA SMA R A Swivel Nearson Serv...

Page 3: ...mm Port Settings 2 2 Firmware Requirements 3 2 1 Addressing 3 2 2 Protocol Modes 3 3 Serial Protocol 4 4 ZN 241G Commands 5 4 1 ZN 241G Registers 7 4 2 ZN 241G Configuration Examples 12 5 ZN Wizard 16...

Page 4: ...d the other end into the ZN 241G and launch the ZNWizard software the following screen will appear Select a different baud rate using the drop down menu labeled Baudrate then Click OK the following sc...

Page 5: ...are two special reserved network addresses The base has NWK address of 0x00 and 0xFF is used to indicate a broadcast packet 2 2 Protocol Modes The ZN 241G can be used in either transparent or protocol...

Page 6: ...he reply packet always has the original command type as bits 3 0 with bit 4 set to one The Transaction ID TransID is provided as an identifier to help a host device distinguish replies from multiple c...

Page 7: ...s such as Announce packets or RxData packets are indicated by 0x20 in the high nybble If multiple arguments are to be provided they are to be concatenated in the order shown Little endian byte format...

Page 8: ...2 15 4 PAN identifier of network joined 2 bytes SerNum Serial number of radio joining also used as 802 15 4 MAC address 8 bytes AnnStatus Status announcement 1 byte Additional fields are also reported...

Page 9: ...lMask R W 4 All but 2480MHz 0x0006 CurrPanID R 2 00 FFFF 0x0007 CurrChannel R 1 0 15 0x0008 CurrNwkAddress R 1 0 62 0x0009 MacAddress R 8 0x000A TxAttemptLimit R W 1 0 16 5 attempts 0x000B TxTimeout R...

Page 10: ...200 bps rate the host device must be configured for 2 stop bits to use this rate Likewise at 57600 it may be necessary in some applications to configure the ZN 241G for 2 stop bits to avoid overrunnin...

Page 11: ...mum allowable packet size is 109 bytes payload bytes or a length value of 112 PanID Sets the radio s PAN identifier Radios must have the same PAN identifier in order for them to link or exchange data...

Page 12: ...s TxAttemptLimit The maximum number of times a radio will attempt to send a data packet if no ACK is received See ProtocolMode for more details Default is 5 attempts TxTimeout In transparent mode the...

Page 13: ...tring LINK to the host either in the case of a remote whenever it successfully associates with a base and in the case of a base whenever a remote successfully associates with it Disabled by default Me...

Page 14: ...and restart so that they take effect After connection with the base send a message to the base and receive a response Enter Protocol Mode Host Packet FB 08 00 00 ZN 241G SOP 0XFB Length in bytes Trans...

Page 15: ...h in bytes TransID MSG Type Arguments Set Register Protocol Mode mode 3 protocol enabled Host Packet FB 05 03 04 03 00 03 SOP 0xFB Length in bytes TransID MSG Type Arguments Reply Packet FB 02 03 14 S...

Page 16: ...Announce Initialization complete Reply Packet FB 03 01 17 00 SOP 0xFB Length in bytes TransID MSG Type Arguments Status Announce Joined PAN Reply Packet FB 03 02 17 04 SOP 0xFB Length in bytes TransI...

Page 17: ...rence 2000 2006 Cirronet Inc 15 M 2400 0006 Rev A Receive Data from base address 0x0000 Reply Packet FB 13 04 15 00 00 C2 4D 65 73 73 61 67 65 20 72 65 63 65 69 76 65 6D SOP 0xFB Length in bytes Trans...

Page 18: ...s dialog will display as shown below This dialog allows for changing configuration parameters for the Comm Port Baudrate Parity Stop Bits and Auto Detect If all the default settings are suitable click...

Page 19: ...ys NOT linked If another ZN 241G cannot be found the program will continue to periodically attempt to find and link with another ZN 241G During that time the Status Window will continue to display inf...

Page 20: ...etailed description of these parameters refer to Section 4 1 Device Mode sets the mode of the radio to either Remote default or Base There can be only one base radio for the network This sets the Netw...

Page 21: ...rial port Default is NONE This control sets the stop bits operating parameter for the serial port Default is 1 This sets the list of channels the radio is allowed to choose from For a more detailed de...

Page 22: ...mask is the name used to describe the list of frequency channels that a ZN 241G can use The default channel mask for remote radios allows them to operate on any frequency from 2405 to 2475 channel 24...

Page 23: ...ireless com may be used to identify potential threats 802 11b g defines 11 channels in the 2 4 GHz band 802 11 Channel Nominal Occupied BW Center Frequency MHz 1 2401 2423 2412 2 2406 2428 2417 3 2411...

Page 24: ...try moving the base to the opposite end of the band e g from 2425 to 2475 MHz and see if the operation of the system improves If this doesn t work the middle of the band may then be tried 2450 MHz Tro...

Page 25: ...CC 15 247 and ETS 300 328 RF power 17 dBm typical 15 dBm minimum Receiver Sensitivity 98 dBm typical 95 dBm minimum Link Margin 110 dB approximately 3 Km LOS propagation Adjacent Ch Rejection 39 dB wi...

Page 26: ...c 24 M 2400 0006 Rev A 8 Hardware Requirements The hardware for the ZN 241G includes the following 6v DC supply Reverse polarity SMA connector Male DB 9 DCE interface 4 wire interface TXD RXD and CTS...

Page 27: ...es external to the goods such as but not limited to power failure No suit or action shall be brought against Seller more than twelve 12 months after the related cause of action has occurred Buyer has...

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