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Summary of Contents for Xylem Ai1 Series
- Page 1 All-in-one, rugged, remote monitoring measci.com/ai1 Quick Start Guide October 2019 Revision...
- Page 2 The Manufacturer recommends a level of calibration appropriate to the application, and recommends, at a minimum, recalibration every three years Measurement Science products including the Ai1 and SDI12 sensors are distributed globally by Xylem Analytics. Please contact your local distributor for support services.
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Page 3: Table Of Contents
1. Contents Contents ..................................3 Models ..................................5 Power options ..............................5 Communications options ..........................5 Extras ................................. 5 Unpacking ................................. 6 Overview ................................... 6 Opening Electronics Housing ..........................6 4.1.1 Internal Regulators ............................ 7 4.2 Bottom Terminal Plate ..........................8 4.2.1 USB Port .............................. - Page 4 16.1.1 Power related issues ..........................32 16.1.1 Software and diagnostics ........................32 Sending a new program ............................36 Declarations ................................ 38 18.1 For models including LaserLEVEL ........................38 18.1.1 Warning ..............................38 18.1.2 Caution ..............................38...
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Page 5: Models
2. Models The base Ai1 system includes the measurement and control module and weatherproof housing. The system is enhanced by adding power, communications and integrated systems. 2.1 Power options 1. Ai1-EXT. Externally powered system, no battery or solar modules. 2. Ai1-18W. 2x6W solar panels with 3.3Ah lithium battery 3. -
Page 6: Unpacking
A variety of sensor options are available for integrated sensor systems, such as the integrated Surface Velocity Radar / Laser Level combination station in Figure 2. Figure 2 – Non-contact flow sensors 3. Unpacking When unpacking, take care to keep the packet of parts supplied with the station, which includes: •... -
Page 7: Internal Regulators
For easy alignment of the top or bottom plates, a red dot has been included on both the body and the plate itself. Ensure that the red dots are aligned before installing fully. Figure 3 – Align red dots on the plate and the body Figure 4 - Correct alignment is when the red dot is visible through the hole When closing the top plate, take care to not overtighten the 6 screws or the plate may be damaged. -
Page 8: Bottom Terminal Plate
4.2 Bottom Terminal Plate The main wiring and control of the Ai1 is via the terminal plate at the bottom of the system, protected behind a clear acrylic plate with an o-ring seal. Cable entry can be via the clear plate or via glands inside the side of the housing (as shown in the image to the right), depending on the application. -
Page 9: Power Switch
1. The Ai1 is compatible with the CR300 series. Select this datalogger 2. On first use, you may need to install a USB driver. Click this button and follow these steps 3. When plugging in a USB cable use the Direct type. - Page 10 Excitation ports limited to 2.5V rather than 5V Switched 12V will not operate Single flash every 15 seconds Operating on battery/solar power. Full system functionality Always on Program stopped or no program...
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Page 11: I/O Terminals
4.2.4 I/O Terminals While some models are fitted with an Expansion Port as described in section Error! Reference source not found., all m odels have 16 terminals as described below. Some terminal functionality depends on the model selected Table 2 - Internal terminal functionality Terminal Description 12V or 24V... -
Page 12: Expansion Port
P_SW Pulse Input, switch counting. Counts switch closures such as on tipping bucket rain gauges, security switches, relay contacts or wind sensors. Allows ±17.5V input voltage, 3mS pulse counting up to 150Hz for switch closures or up to 35kHz high frequency signals. May be used as digital output with extremely limited drive (0.1mA @ 3V) P_LL Pulse Input, Low Level AC. - Page 13 An additional slave board is provided which allows for I2C sensors to be added (such as laser level sensor, barometric pressure sensor, compass, etc). This port provides two I2C signal wires (SDA and SCL) as well as two power connections (Vout and G). Vout The I2C slave board must be programmed by the factory only.
- Page 14 TX_3 P_SW State C1 connected to C2 connected to RX_3 Off (0V) Tx_2 Rx_2 On (5V) Tx_3 Rx_3 These are commonly used to increase the C1/C2 pair from one serial port (0-5V RS232) to two. The numbering is TX2/RX2 and TX3/RX3 so as to not be confused with TX/RX already included by default.
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Page 15: Mounting
5. Mounting The Ai1 supports top mounted options, bottom mounted sensors, magnetic mounting feet, or various pole mounting kit options. An overview of these options is provided here. 5.1 Top mounted options An example of the top mounted options is the navigation lantern (Figure 9), Iridium communications option (Figure 1), or top mounted instruments such as wind speed and direction. -
Page 16: Bottom Mounted Sensors
For installation locations that may be prone to bird damage, an optional bird spike kit is available. This may only be used where no other top mounted options use the mounting holes Figure 13 - Bird Spike Kit 5.2 Bottom mounted sensors The bottom 6mm clear acrylic plate can be supplied customized for bottom mounted sensors or solid for customization to suit the project. -
Page 17: Panel Mounted Connectors
The sensor plate can be drilled and customised to suit a wide variety of sensors depending on the application, as shown in Figure 15. The acrylic plate is 6mm thick and can take threads from M3 to M20. Care should be taken for fine threads or threads with excessive force. -
Page 18: Side Cable Entry
5.2.5 Side Cable Entry For bottom mounted locations, such as the pump monitoring in Figure 17, side cable entry may be preferred to bottom cable entry. In situations like this, a side gland may be fitted Figure 18 - Side gland cable entry Figure 19 - Internal wiring for side gland entry 5.3 Pole Mounting Kit A pole mounting kit suits a wide variety of vertical poles, up to 110mm in diameter. -
Page 19: Power Budget
6. Sensor Specific Considerations The Ai1 supports a variety of top and bottom mounted sensor options 6.1 LaserLEVEL or UltraLEVEL The LaserLEVEL and UltraLEVEL are both non-contact level monitoring solutions that need special consideration: The sensor must have a clear view of the water surface below. - Page 20 existing power supply is available on site, or more power than the standard models is required. In these applications the solar panel, regulator and batteries are all external to the system, provided separately. When determining the power budget, it is recommended to perform detailed calculations including the duty cycle (on time / off time) for all subsystems and sensor power requirements, with safety factors to prevent deep battery discharge, and to allow for solar panel loses over time.
- Page 21 While the categorization based on Sunshine Duration or detailed calculation for ESH may be used, consideration should be given to localized shading and platform movement. Additional sensors may require the Ai1-36W model. Vertical Panel Angle Considerations The solar panels on the Ai1 are mounted vertically to allow top and bottom mounting options, to suit the widest variety of locations (including higher latitudes) and to maximise self-cleaning.
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Page 22: Communications
For moving platforms, with two panels (i.e. 2x9W), the panel output must be de-rated by a further 50% to allow for the rotation of the panels (as the panels cover only 180° of the possible 360° orientations). For moving platforms with four panels (i.e. -
Page 23: Software
9. Software All stations are pre-programmed with a user editable CRBasic program. CRBasic files may be edited in a basic text editor such as Notepad or using the feature rich CRBasic editor, available from https://www.campbellsci.com/crbasiceditor The Ai1 uses a custom operating system file called Ai1OS.cr300 that includes many of the internal functions. It is recommended to use this operating system to simplify the station operation, status monitoring, Eagle.io connection and alarming. -
Page 24: Data Destinations
10. Data Destinations The default option for data delivery is a 100% online connection to Eagle.io. The Ai1 supports all of the following data destinations: • Eagle.io • LoggerNet call-back to a hosted LoggerNet system with a fixed IP address •... - Page 25 3. Select CR300 Series model 4. Set the connection to TCP Callback, use existing and use the IMEI number from the datalogger The station will automatically configure the data tables and upload data to Eagle.io. For any other eagle.io functions, refer to the online documentation: http://docs.eagle.io/en/latest/...
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Page 26: Preparing For Field Deployment
12. Preparing for field deployment Ensure that the following steps are performed prior to field deployment • Confirm that the datalogger and the modem are both using the latest operating system and firmware (see Figure 22) and that the correct program is set to run. •... -
Page 27: Servicing
13. Servicing It is possible to perform some more advanced servicing tasks with the right tool 13.1.1 Battery replacement Figure 21 - Important parts when removing battery On the 18W system the battery is replaced Open the housing as described in section 4.1. Unscrew black wire from terminal block, pull through the hole in the clear acrylic and use insulation tape to protect from short circuit on conductive materials Repeat with the red wire... -
Page 28: Recommended Field Tool Kit
14. Recommended field tool kit Review the recommended tools before performing field work Recommended Advanced Spare parts • • • Personal Protective Equipment M6 hand tap 5x20mm fuses • • PPE (depending on site M4 hand tap Clear bottom plate •... -
Page 29: Gps Options
15. GPS Options Ai1 stations commonly include an internal GPS for location tracking (i.e. any model with the -GPS option). For stations fitted with an integrated GPS, the following parameters are reported: GPS_UTCtime UTC time in the format HHMMSS, where HH are hours, MM are minutes and SS are seconds GPS_Latitude_dddmm Latitude and Longitude are reported in dddmm.mmm format, where ddd are... - Page 30 Copy the text below: // Convert Lat/Long var LatA = NODE('../Ai1/GPS - GPS-Latitude-dddmm'); var LatB = NODE('../Ai1/GPS - GPS-LatitudeHemisphere'); var LongA = NODE('../Ai1/GPS - GPS-Longitude-dddmm'); var LongB = NODE('../Ai1/GPS - GPS-LongitudeHemisphere'); var sign; var degreesCalc; var minutesCalc; if (LatB < 0) { sign = -1;...
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Page 31: Fault Finding Process
16. Fault Finding Process Use the sequence below to diagnose potential problems 1. Power Check. What is the power light flash sequence? Look at the LED beside this symbol : Off: No power. Refer to step 2. 1 flash every 10 seconds: Ai1 is powered correctly, programming is running. Refer to step 3b 2 or 3 flashes: Ai1 is powered from the USB, not running from internal power. -
Page 32: Diagnostic Tips
d. If the settings are correct but a cellular connection cannot be made, check the SIM card is correctly installed and secured, as shown in section 4.1 e. Connection problems are application specific and should be referred to your service provider. 17. - Page 33 The program can be confirmed as uploaded by observing that the program signatures updated. Confirm that the new signature matches the calculated signature from CRBasic. If DEBUGGING is enabled in the program, the System data table will store the program signature to know when changes have been made. When using Eagle’s “Manage Configuration”...
- Page 34 o SET COMMS WATCH. It is possible to watch the traffic on almost any port. Common options include 9 for SDI12 communications on port C1 and 12 for the status of the internal cellular connection. A shortcut for SET COMMS WATCH is W. Figure 24 - SET COMMS WATCH for debugging o P.
- Page 35 may respond resulting in garbage. If multiple sensors are connected, disconnect some or advance to the next step Type 0I! Assuming sensor address 0 responds, this asks for the sensor Identification. If a different address is used, substitute for this number in all subsequent commands.
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Page 36: Sending A New Program
18. Sending a new program Setup Eagle.io for remote access. Log in to Eagle.io and navigate to the station that you want to update the program on. Right click on the station and select “Properties” Selection the Connection tab and click Remote access to enable remote access. - Page 37 Use DevConfig to connect. Using DevConfig (free download as described earlier), select the CR300 Series datalogger, and use an IP connection type, with the server address set to the address copied in the previous step. The screenshot here shows the correct settings. Click Connect when ready.
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Page 38: Declarations
19. Declarations 19.1 For models including LaserLEVEL 19.1.1 Warning This device requires no regular maintenance. In the event that the device becomes damaged or is inoperable, repair or service must be handled by authorized, factory-trained technicians only. Attempting to repair or service the unit on your own can result in direct exposure to laser radiation and the risk of permanent eye damage. - Page 39 Global: +1 (760) 994 4442 Asia/Pacific: +61 7 3102 4441 sales@measci.com Measurement Science products are distributed globally by Xylem Analytics. Contact Xylem for support information. salesaus@xyleminc.com, +61 1300 995362 The Ai1 is intended to be part of a well maintained and comprehensive environmental monitoring system. Stations are provided for complete user customization and programming (programming services available).
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