Campbell AL205E User Manual Download

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07/2020

Copyright © 2020

Campbell Scientific, Inc.

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Summary of Contents for AL205E

Page 1: ...07 2020 Copyright 2020 Campbell Scientific Inc ...

Page 2: ...tions 2 3 Configuration 4 3 1 Settings explanations 6 4 Controlling and sending data using the API interface 14 5 Test transmission procedure 17 6 Operating system update 19 7 Port descriptions 22 7 1 Radio output level 23 Appendix A Terminal information and troubleshooting 25 Table of Contents i ...

Page 3: ...e These features increase the accuracy and performance of flood warning and other data acquisition systems For more information about the ALERT2 protocol refer to www hydrologicwarning org content aspx page_id 22 club_id 617218 module_id 83216 The AL205E includes GPS functionality that provides time synchronization required for TDMA radio transmissions The configurable FEC supports 250 millisecond...

Page 4: ...eing supplied to the TX radio Transmit Lights up while the AL205E is transmitting Clock Sync A solid light indicates that the AL205E has a reliable clock source and will transmit in TDMA mode The clock can maintain synchronization for up to 4 hours without the GPS being on GPS On Lights up to indicate the GPS is currently powered up The GPS may require several minutes to initially get a fix but af...

Page 5: ...57600 bps LEDs Serial 2 Serial 1 GPS On Clock Sync Transmit Tx Radio On Configuration Micro USB console and configuration port USB Software upgrade and data export via thumb drive Active GPS antenna SMA female TX radio 5 pin spring clip power ground PTT data channel select ALERT2 Compatible with NHWC ALERT2 AirLink v1 1 MANT v1 1 API v1 0 Supports ALERT2 API input and ALERT2 API and ASCII output I...

Page 6: ...otocol Device APD that will manage the AL205E configuration Refer to Settings explanations p 6 for more information The following procedure uses the configuration menu 1 Connect the AL205E to the computer using a USB cable 2 Start the Device Configuration Utility 3 Click the Unknown from the Device Type list 4 Click Direct 5 Select the appropriate Communications Port AL205E ALERT2 Encoder 4 ...

Page 7: ...ing system settings and configuration parameters After each parameter is displayed the screen waits 3 seconds for a new value to be entered 9 Type a new value or leave the field blank to skip to the next parameter After all parameters are displayed the new configuration is stored in the AL205E and displayed again AL205E ALERT2 Encoder 5 ...

Page 8: ...t network device pdf Table 3 1 Settings Setting number Setting Description 00 55 Start serial boot loader to load new program To load a new operating system into the AL205E type 1 then press Enter to put the AL205E into boot loader mode see Operating system update p 19 01 55 Load default configuration parameters save in non volatile memory Type 1 then press Enter to reset the device to factory def...

Page 9: ...1 minute maximum is period minus 1 minute 06 55 FEC AirLink Encoding Mode 0 default highest error correction lowest throughput traditional ALERT2 transmission mode 1 medium error correction medium throughput 2 lowest error correction highest throughput 07 55 Low Power Mode 1 default the AL205E does not turn on the radio if messages are not transmitted in this frame In this setting the APD must com...

Page 10: ...isable 1 enable 11 55 Port 0 source address Port 0 serial port 1 is not configured for an independent source address SA Therefore an SA entry is not allowed The AL205E uses this port to send the IND address assigned to the data Range is 1 to 65534 default is 9000 12 55 Port 0 baud Baud rate setting for port 0 serial port 1 Valid entries are 57600 default 38400 19200 9600 4800 or 1200 13 55 Port 0 ...

Page 11: ...isable 1 enable 17 55 Port 1 source address Port 1 serial port 2 is not configured for an independent source address SA Therefore an SA entry is not allowed The AL205E uses this port to send the IND address assigned to the data Range is 1 to 65534 default is 9001 18 55 Port 1 baud Baud rate setting for port 1 Serial port 2 Valid entries are 57600 default 38400 19200 9600 4800 or 1200 19 55 Port 1 ...

Page 12: ...ress must be an integer between 1 and 65534 Default is 9999 29 55 Add time service request When enabled the ALERT2 network adds time service request information to the packet 1 default enable 0 disable 30 55 Add path service request When enabled each IND adds its source address to the PDU as it gets repeated This can be used to determine the path a packet took to get from the remote to the base 1 ...

Page 13: ...crypt the packet 16 byte key is required 37 55 Pending encrypt key Sets the encryption key used to encrypt the packet This setting is used in conjunction with the next setting to allow the entire network to move to a new key all at the same time 38 55 Pending encrypt key effective date Sets the effective data of the new encryption key Pending encryption key update time is set as a unix timestamp s...

Page 14: ...ault disable 1 enable Table 3 8 AirLink media access configuration settings Setting number Setting Description 43 55 Enable TDMA media access 1 default enable 0 disable 44 55 TDMA frame length Sets the TDMA frame length in milliseconds for the ALERT2 network The frame needs to be long enough to accommodate all remote stations repeaters and possible future stations transmitting on the same frequenc...

Page 15: ...e an integral multiple of the INDS minimum slot size Typically this value is set to 500 or 1000 default is 1000 46 55 TX slot time offset into frame Sets the amount of time in milliseconds into the TDMA frame that the station transmission slot will begin Each station in the network must have a unique slot offset to prevent multiple stations from transmitting at the same time Range is 0 to length o...

Page 16: ... 5 to 1000 ms Default is 55 ms 54 55 Transmission postamble tail time Sets the amount of unmodulated carrier time in milliseconds that follows the transmitted frame Range is 0 to 100 ms Default is 5 ms 55 55 Modulation inverted Sets the modulation polarity of the modulated signal fed to the radio 0 default no 1 yes 4 Controlling and sending data using the API interface Advanced Programming Interfa...

Page 17: ...ix Length API command type Length Value ASCII Decimal ALERT2 3 Display parameter 124 1 Return GPS time valid flag 127 Encoded Hex 41 4C 45 52 54 32 03 7C 01 7F Table 4 2 Display parameter response return GPS time valid flag Prefix Length API command type Length Value ASCII Decimal ALERT2 3 Return GPS time valid flag 127 1 03 GPS clock not synced Encoded Hex 41 4C 45 52 54 32 03 7F 01 03 1The ALERT...

Page 18: ...alid flag Prefix Length API command type Length Value ASCII Decimal ALERT2 3 Return GPS time in seconds since 2010 126 4 03 GPS clock not synced Encoded Hex 41 4C 45 52 54 32 03 7E 04 13 AA CE 181 1 13 AA CE 18 in HEX is 329960983 seconds since 2010 The date the GPS is reporting is 06 15 2020 23 49 44 Example 3 Sending ALERT2 self reporting data This example sends an ALERT2 message using a general...

Page 19: ...it will not respond to API commands Instead it is expecting binary ALERT data in the 4 byte format as shown in the following table Table 4 6 ALERT concentration example Prefix Value ASCII Decimal 3067 1022 Encoded Hex 7B 6F FC DF 5 Test transmission procedure The AL205E can generate test tones for radio and antenna testing Use the following procedure to generate test tones 1 Connect the AL205E to ...

Page 20: ...y power to the AL205E The AL205E will display the current operating system settings and configuration parameters 9 Press Enter after the initial information is displayed 10 Repeatedly press Enter until the cursor reaches the following text 02 55 Enable Test Transmissions 1 continuous 1 KHz audio tone 2 continuous 1 2 KHz audio tone 3 ALERT2 transmission AL205E ALERT2 Encoder 18 ...

Page 21: ...WR testing can now be accomplished 6 Operating system update The user can update the AL205E operating system OS to get new features or bug fixes Use the following procedure to update the OS 1 Download the operating system from www campbellsci com al205e 2 Copy the downloaded file to c temp directory 3 Connect the AL205E to the computer using a USB cable 4 Start the Device Configuration Utility 5 C...

Page 22: ... drop down list 9 Click Connect 10 Supply power to the AL205E The AL205E will display the current operating system settings and configuration parameters 11 Press Enter after the initial information is displayed AL205E ALERT2 Encoder 20 ...

Page 23: ... then press Enter to put the AL205E into boot loader mode 13 Click Disconnect 14 Open a Windows Command Prompt window 15 Go to the C temp directory where you stored the firmware download AL205E ALERT2 Encoder 21 ...

Page 24: ...matically exits CAUTION Do not cycle power while loading the new operating system to avoid corrupting the AL205E operating system To confirm a successful update redo steps 3 through 9 then cycle power to the AL205E and check the window for the new operating system version number 7 Port descriptions The AL205E has two serial ports with configurable functionality The serial ports operate at RS 232 l...

Page 25: ...the TX port Table 7 3 TX pinout from left facing the AL205E Pin number Label Pin function 1 AO RF data output from the AL205E 2 G Ground 3 PTT Push to talk 4 12V 12 V power provided by the AL205E 5 CS Channel select 7 1 Radio output level On the circuit board the AL205E has two jumpers that enable user customization of the audio level sent to the TX radio Different radios have different audio volt...

Page 26: ...ight CAUTION To complete the circuit both jumpers must be in the same jumper position If the AL205E is ordered with a radio the AL205E comes configured with the proper jumper settings for that radio A misconfigured output level can cause poor signal quality and missed messages AL205E ALERT2 Encoder 24 ...

Page 27: ...he Device Type list 4 Click Direct 5 Select the appropriate Communications Port 6 Select 57600 from the Baud Rate drop down list 7 Click Connect 8 Apply power to the AL205E and the AL205E will display the current settings After the AL205E powers up the Device Configuration screen will display the AL205E operating system and stored settings and indicate whether the settings were retrieved from flas...

Page 28: ...Source Address Enabled 0 No Port 0 Source Address 9 000 Port 0 Baud Rate 57 600 Port 0 Parity 0 none Port 0 Stop bits 1 Serial Port 1 Configuration Port 1 Configuration 0 API input Port 1 Independent Source Address Enabled 0 No Port 1 Source Address 9 001 Port 1 Baud Rate 57 600 Port 1 Parity 0 none Port 1 Stop bits 1 Serial Console Port Configuration Console Port Debug Output 1 Yes Console Port D...

Page 29: ...after getting the GPS fix While the AL205E is getting the GPS fix the screen will be similar to the following system started clk slow GPS UPDATE START Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 13 00 00 01 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 13 00 00 07 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 17 20 51 22...

Page 30: ...e valid False GPS Time 11 11 13 00 00 31 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 13 00 00 37 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 13 00 00 43 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 13 00 00 49 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 13 00 00 55...

Page 31: ...ix type No Fix SVs 0 GPS time valid False GPS Time 11 11 13 00 03 13 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 17 00 32 52 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 17 00 32 58 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 17 00 33 04 Leap Source Unknown Fix type No Fix SVs 0 GPS time valid Fals...

Page 32: ...urce Unknown Fix type No Fix SVs 0 GPS time valid False GPS Time 11 11 17 00 34 34 Leap Source Unknown MAX TIME WAITING FOR 3D FIX SHUTDOWN GPS UPDATE TIMEOUT GPS SHUTDOWN Consecutive Failed 1 clk slow After getting the GPS fix the screen will display the Alert2 data A2 on the S0 Serial 1 port A2 on S0 at 34677 The next line shows the transmission of that received data and the number of bytes in t...

Page 33: ...Other manufacturer s products that are resold by Campbell Scientific are warranted only to the limits extended by the original manufacturer Refer to www campbellsci com terms warranty for more information CAMPBELL SCIENTIFIC EXPRESSLY DISCLAIMS AND EXCLUDES ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Campbell Scientific hereby disclaims to the fullest extent allow...

Page 34: ...tion or Repair Reference number contact your CAMPBELL SCIENTIFIC regional office Please write the issued number clearly on the outside of the shipping container and ship as directed For all returns the customer must provide a Statement of Product Cleanliness and Decontamination or Declaration of Hazardous Material and Decontamination form and comply with the requirements specified in it The form i...

Page 35: ...prohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers l Use only manufacturer recommended parts materials and tools Utility and Electrical l You can be killed or sustain serious bodily injury if the tripod tower or attachments you are installing constructing using or maintaining or a tool stake or anchor come in contact with overhead or un...

Page 36: ...info campbellsci fr www campbellsci fr Germany Location Phone Email Website Bremen Germany 49 0 421 460974 0 info campbellsci de www campbellsci de India Location Phone Email Website New Delhi DL India 91 11 46500481 482 info campbellsci in www campbellsci in South Africa Location Phone Email Website Stellenbosch South Africa 27 21 8809960 sales campbellsci co za www campbellsci co za Spain Locati...

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