Radar Level Transmitters Manual - Global Water Instrumentation, Inc.
Contents
1. ShowCalibData Show Calibration Data Screen displays all calibration parameters The fix point Calibration buttons the same as using the probe calibration Push Button are in the top left corner of the screen F T Calib is for Full Tank Calibration and E T Calib is for Empty Tank Calibration In this calibration a target has to be used to simulate full or empty tank fix point calibration Diagnostic button Displays all information on probe errors Sensor error is indicated by an unhappy face icon at the bottom of the screen Echo Chart button Displays information on stability of the echoes Calculated echo peak count basis on peak width voltage is used as an echo correction offset Echo Profile button Displays profiles of your probe NOTE when using this feature the probe is not in the measurement mode To return to measurement mode exit the echo profile select x Wait until you getthe Data Link OK green light on the Probe Status LED 1 On the echo profile you will see a marker where the software picked up an echo and the distance to the target 2 To change target for different measurement exit profile screen wait for updated data and go to echo profile The marker will pick up the new target Freeze screen and select any point on the graph by clicking mouse to display the distance to selected target 3 Save to file command saves the profile to PROBE PROFILE file in C Program2. Callus for tech support 800 876 1172 or 979 690 5560 many problems can be solved over the phone Fax 979 690 0440 or E mail globalw globalw com Be prepared to describe the problem you are experiencing including specific details of the application and installation and any additional pertinent information d In the event that the equipment needs to be returned to the factory for any reason please call to obtain an RMA Return Material authorization Do not return items without an RMA displayed on the outside of the package Clean and decontaminate the Radar Level Transmitter if necessary Include a written statement describing the problems Send the package with shipping prepaid to our factory address Insure your shipment as the warranty does not cover damage incurred during transit Global Water 800 876 1172 e globalw com e When calling for tech support please have the following information ready Model Unit serial number P O the equipment was purchased on Our sales order number or the invoice number Repair instructions and or specific problems relating to the product XIII Warranty a Global Water Instrumentation Inc warrants that its products are free from defects in material and workmanship under normal use and service for a period of one year from date of shipment from factory Global Water s obligations under this warranty are limited to at Global Water s option I replacing or Il repairing
3. Global Water 800 876 1172 e globalw com VIII Installation a Direct mounting sensor simply thread sensor into metal or plastic nozzle b Radar unit MUST be installed into a fitting with the antenna pointing downward See Figure 3 If pipe is submerged y in liquid a vent hole is required Remove all K sharp edges 45 Figure 3 c For very low dielectric constant materials 2 the radar sensor needs at least 2 from the antenna tip to detect the material Any buildup on the rod antennas does not deteriorate the performance of the radar sensors d Software Installation Communication for Single or Network level sensors 1 Load Probe Gateway PC Software into your PC Select SETUP EXE from installation CD and follow instructions on the screen 2 Click on START and under PROGRAMS select Probe Gateway PC 3 Follow instructions in the online help file or see Software Operation section on page 9 4 To connect RS232 or RS485 cables See Figures 4 and 5 page 14 Sensor Terminal Global Water 800 876 1172 e globalw com RS232 Connection RS485 Connection 11 selolj Em d 2 To PC Ol E RS232 Port S Q I 4 O 340 5 ATX 21 OH F amx 1L QH Connect Shield to Ground at one End Figure 4 Connect to Serial Port of PC use Extension Cable length as required Refer to Figure 4 for wiring detail 1 2 PVC Conduit Only for PVC k Housings Metal Conduit not Hoe
4. any products determined to be defective In no case shall Global Water s liability exceed the products original purchase price This warranty does not apply to any equipment that has been repaired or altered except by Global Water Instrumentation Inc or which has been subject to misuse negligence or accident It is expressly agreed that this warranty will be in lieu of all warranties of fitness and in lieu of the warranty of merchantability b The warranty begins on the date of your invoice 20
5. our Quality Assurance Team before shipping If any damage has occurred during shipping please notify Global Water Instrumentation Inc and file a claim with the carrier involved b Use the checklist to ensure that you have received everything needed to operate the Radar Level Transmitter Ill FCC Information for Users a Radar Level Transmitter Sensors have been tested and found to comply with the limits for Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operating in a commercial environment These sensors generate use and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause interference with radio communications Operation of this equipment in a residential area is likely to cause interference that the user will be required to correct Global Water 800 876 1172 e globalw com IV Features a The Radar Level Transmitter uses improved microwave pulse technology to track any target material from the tip of its antenna to the bottom of the tank Its power pulse widths and sensitivity depend on the distance of the target from the antenna and the dielectric constant of the reflecting material b The Radar Level Transmitter sensor features echo marker signal processing making it among the most technologically advanced pulse radar system on the ma
6. you use Windows 2000 or XP go to the port setting advanced change the Transmit Buffer to low and then reboot your PC For MODBUS RTU use the Holding Register address as follows a 108 to read the current from microwave probe b 100 to read 4 mA calibration c 96 to read 20 mA calibration Use Read Sensor ID Not in Network for single probe communication Add new Sensor in network configuration Choose new ID and click OK for network use 4 and higher Remove Sensor in network configuration Choose sensor ID to be removed and click OK Fix Sensor ID Select new Id and then click on Fix Sensor ID to remove old ID Click STOP and START to update the calibration data Sensor ID is 2 for single probe and 4 and higher for network do not use ID 3 Reset Max Temperature Not applicable for microwave probe Empty Tank Distance calibration Programmable with accuracy of 0 1 Full Tank Distance Calibration Programmable with accuracy of alarm relay Global Water 800 876 1172 e globalw com 9 Temperature Scale Not applicable for microwave probe 10 Low Dielectric Material choose for low dielectric constant materials for microwave probes only 11 Pipe Mode On Off for microwave probe only 12 Select Pipe Diameter for microwave probe only 13 Damping OFF Fast response mode of the probe 14 Damping ON Select damping time
7. A Set near target See Figure 7 page 18 1 2 di Calibration mode LED color is Green For Radar Low Dielectric Materials has to be off See step C Push button and hold until LED turns Yellow 20 mA or push button and hold until LED turns Red 4 mA Release button observe LED flashes to acknowledge the calibration b EMPTY Calibrate 4 mA or 20 mA Set Far Target See Figure 7 page 18 1 2 3 Calibration mode LED color is Green For Radar Low Dielectric Materials has to be off See step C Push button and hold until LED turns Red 4 mA or push button and hold until LED turns Yellow 20 mA Release button observe LED flashes to acknowledge the calibration c Turn the Low Dielectric Materials operation mode ON and OFF This mode is recommended for materials with dielectric constant lower than 4 and to eliminate multiple reflections in the tank 1 2 3 To turn the Low Dielectric Materials ON push the calibration button and hold until the LED light flashes yellow then red and then turns off Release the button The blinking green LED light indicates that the Low Dielectric Materials mode is ON To turn the Low Dielectric Materials OFF push the calibration button and hold until the LED light flashes yellow then red and then turns off Release the button The constant green LED light indicates that the Low Dielectric Materials mode is OFF The low dielectric materials operation ca
8. Files um_probe folder Global Water 800 876 1172 e globalw com AutoS can button only for network Collects data for all sensors connected in the network Scanning time for one sensor is 30 seconds Other functions are disabled in Auto Scan mode SensorStatusMonitoring function displays status of selected sensor 1 Push the Update all command button to display status for all sensors in network 2 Traffic icon green red light indicates communication status 3 All other functions are disabled in this mode Select COM Port Used to select Communication Port on PC Selected port can be saved to be used as a default when application is run again Other Tool menu options 1 Low Dielectric Material On For low dielectric constant materials such as oils 2 Select PIPE For microwave propagation in metal pipes after that click on Select Pipe Diameter in Tools menu to choose proper diameter of metal pipe 3 Window Out In case of unwanted reflections this procedure can be used Make sure that the probe is in fast response mode Damping OFF Before using the Window Out procedure programmable calibration on full and empty tank is recommended For the first time users of this procedure contact with technical support group is recommended To use the procedure follow this a Click on Echo Profile button b Click on Clear Window Out c Click on Freeze Update Wind
9. Global Water 800 876 1172 e globalw com Global Water Instrumentation Inc 151 Graham Road P O Box 9010 College Station TX 77842 9010 T 800 876 1172 Int l 979 690 5560 Fax 979 690 0440 E mail globalw globalw com Radar Level Transmitters WL900 01 665 Revision A Publication Number 39340712 Global Water 800 876 1172 e globalw com Congratulations on your purchase of the Radar Level Transmitter This instrument has been quality tested and approved for providing accurate and reliable measurements We are confident that you will find the Radar Level Transmitter to be a valuable asset for your application Should you require assistance our technical staff will be happy to help Table of Contents l Checklist e e e e Page 3 ll Inspection e 3 Il FCC Information e 3 IV Features e e e e e e 4 V Specifications e 5 VI Operation e e 7 VII Software Operation e e 8 VIII Installation e e e e 13 IX Wiring Information e 15 X Calibration e 17 XI Maintenance e 19 XII Troubleshooting e e e e 19 XIII Warranty e 20 Copyright Global Water Instrumentation Inc 2012 Global Water 800 876 1172 e globalw com I Radar Level Transmitter Checklist a Radar Level Transmitter b Manual Il Inspection a Your Radar Level Transmitter unit was carefully inspected and certified by
10. Pressure 150 psi max Installation Category Class Il Process connection 2 NPT Conduit Entry 1 2 NPT standard Housing Aluminum or 316L stainless steel Ingress Protection NEMA 4 IP65 Global Water 800 876 1172 e globalw com Approvals FCC Part 15 low power communication device CE 5 8GHz Models Weight 3 6Lbs 1 63Kg Dimensions 4 10cm diameter x 18 45 7cm long kai sl COVER TOOL ACCESS HOLE 1 2 NPT CONDUIT ENTRY 1 259 4 Global Water 800 876 1172 e globalw com VI Operation a The microwave rod antenna is stimulated by an electromagnetic pulse transmitter and sends very short pulses to a target The pulses reflect from the target and then they are received back by the same antenna The electrical signal from the antenna is amplified and processed The distance to an object is calculated and then converted to 4 20 mA Optionally level information is also sent to a PC via RS232 or RS485 for diagnostic data logging and programmable set up RS232 485 O O 4 20 mA output communications PROCESSOR tp lt T PULSE PULSE RECEIVER TRANSMITTER Microwave Antenna Figure 2 b Turning the low dielectric materials operation mode ON or OFF The ON mode is recommended to eliminate multiple reflections in tanks and for materials with a dielectric constant lower than 4 To turn the low dielectric materials mode ON push the calibration button and hold until the LED ligh
11. l E D d Recommended Except for wite atus Le Metal Housing Figure 5 14 Global Water 800 876 1172 e globalw com IX Wiring Information a Wiring Information 1 2 3 4 Ground shield at one end only All terminal block wiring must be rated for 250V Power input wiring must be protected by a 15A double pole circuit breaker Terminal is for use only with equipment that has no live parts that are accessible See Figure 6 page 16 Terminal is for use with equipment which maintains basic insulation from hazardous voltage under normal and single fault conditions See Figure 6 page 16 Connection used atthe remote end of external circuit See Figure 6 page 16 b Recommended Wiring For AC Sensor Power 3 Wire unshielded 22 AWG 300 V Current Output 1 Pair shielded 24 AWG 300 V Communication 1 Pair shielded 24 AWG 300 V For DC Sensor Power 3 Wire shielded 24 AWG 300 V Current Output 1 Pair shielded 24 AWG 300 V Communication 1 Pair shielded 24 AWG 300 Global Water 800 876 1172 e globalw com Inter Connection Diagram Top View of Sensor Access Cover Removed FUSE F1 8 A 250V DC Power Input Note TB 7 is Connected to TB 4 Control Panel Fastening Screw Terminal Block Status Calibration Pushbutton NOTE Use only 1 2 NPT Conduit Figure 6 X Calibration Global Water 800 876 1172 e globalw com a FULL Calibrate 20 mA or 4m
12. n also be turned ON or OFF with the Radar Level Transmitter software during PC communications which is recommended Global Water 800 876 1172 e globalw com Led Indicator For 4 20 mA 750 ohm Max output OPTIONAL Programmable Calibration amp Diagnostics Data Logging RS232 or RS485 Com Temperature Compensation for the speed of sound 1 12 30Vdc m 115 230 Vac 60 50 Hz 1 2 NPT Conduit Hole 2 NPT CALIBRATION SEA Radar Rod Antenna Radar 190 F 90 C 40 FC O O LED Ultrasonic lt 140 F 60 C o e 2 EMPTY 4 or 20mA Operation An electromagnetic pulse is transmitted from the sensor The pulse travels to the surface being monitored and is refelected off this surface back to the sensor The time of flight is divided by 2 and converted to an outpit signal directly proportional to the material level Figure 7 18 Global Water 800 876 1172 e globalw com XI Maintenance a The unit must be checked periodically The suggested maintenance rate depends on the installation area Check batteries for correct voltage periodically XII Trouble Shooting Issue Radar Level Transmitter not operating correctly Internal piping deposits on the antenna multiple reflections or reflections from the wall can all interfere with the proper operation of the radar sensor a Verify power source is supplying correct voltage b Verify antenna is clean Other issues c
13. o timer is ignored if it is out of defined filter range m File menu options 1 DataLogging in Excel format Default is setto ON Select DataLogging in Excel format from FILE menu to collect history data for current and temperature in MS Excel format Path for data collection C Program Files um_probe GATEWAY PC DATA yyyy mm dd sensorlD Data is collected for each sensor ID The current is collected in 1 hour data files and temperature is collected in 24 hours data files Use chart wizard in MS Excel to create the graph and view current and temperature data The current data is collected every 0 5 second and temperature is collected every 1 minute 2 Profile Logging Stores profile every 1 minute Profile Viewer is used to view stored history profiles Profiles are stored in MS Excel format in C Program Files um_probe GATEWAYPC LOG year_month_day sensorlD directory Global Water 800 876 1172 e globalw com 3 Send Profile by EMAIL Select to send probe profile by Email One or thirty minute frequencies of sending can be selected This option works with Microsoft Outlook Express software The following Email settings are required a Connect Automatically option shall be selected for connection to Internet b In Outlook Express under the Tools menu select Options and then click on Security Tab Make sure that option Warn me when other application tries to send mail as me is not selected
14. ow Out d Using mouse click on a point before unwanted echo and then on WindowOutMin e Using mouse click on a point after the unwanted echo and then on WindowO utM ax f Close the Echo Profile and wait in the Main program for a message WindowOut calibration done g To activate the Window Out procedure go to the Tools menu click on Window Out and wait for the conformation 10 Global Water 800 876 1172 e globalw com 4 Full Tank Blanking Using full tank programmable calibration select distance to the probes that covers any unwanted echoes close to the probes To activate this go to Tools and click on Full Tank Blanking and wait for the conformation 5 Set Loss of Echo Time Not applicable for microwave probe 6 Damping ON Damping OFF In case of waves or turbulence on liquids increase the damping time This will slow down the probe response Do not use it for small tanks with fast rate of liquid change 7 Solid Material Liquid Materials Not applicable for microwave probe 8 Vaporized Liquid High Power Not applicable for microwave probe 9 Select Burst Power Used to change the transmit pulse width in microseconds The selected pulse is used in the dusty and noisy tanks for solids applications in case of noise error 10 Select Filter Used to change the filter width The filter width defines the range of allowed noise The ech
15. rket This technology will provide a reliable continuous pulse shape unaffected by environmental conditions such as e Temperature Vacuums Pressure Methane Vapors C02 e Steam Condensation Wind c Simple mounting and push button calibration make for a very easy installation Calibration can be completed on the bench or in the field by following simple instructions The sensor can be threaded directly into a 2 NPT metal or plastic flange See Installation section page 14 d The Radar Level Transmitter offers features such as Accurate non contact measurement Works in conditions where ultrasonic is not acceptable Pulse radar measurement range 10 to 50 Simple push button calibration Standard 4 20mA signal output Optional RS485 digital output DU gt WINE Global Water 800 876 1172 e globalw com V Specifications Power AC 115 VAC 60 Hz or 230 VAC 50 Hz 20 1 7 VA DC 12 to 30 VDC 0 07 Amps max 24 VDC Outputs Signal 4 20 mA 6 1 uA resolution 750 ohms Communication Optional RS232 or RS485 Accuracy 0 25 of maximum sensor range in air Frequency 6 3 GHz or 5 8GHz CE Measurement Range 10 to 50 0 254 meters to 15 2 meters Resolution 0 22in 5 7mm Transmitter Power 50 uW average Calibration Push button or optional programmable Antenna Polypropylene over dielectric rod Beam Angle 12 degrees Operating Temp 40 C to 60 C 40 F to 140 F Operating
16. t flashes yellow then red and then turns off Release the button The blinking green LED light indicates that the low dielectric materials mode is ON To turn the low dielectric materials mode OFF push the calibration button and hold until the LED light flashes yellow then red then turns off Release the button The constant green LED light indicates that the low dielectric materials mode is OFF The low dielectric materials operation can also be turned ON or OFF with the Radar Level Transmitter software during PC communications which is recommended Global Water 800 876 1172 e globalw com VII Software Operation a Click on START button PROGRAMS and select PROBE GatewayPC b Select Start Data Link In the program s main window there will be two bar graphs displaying the last 8 echoes and the current output When PC is connected to Probe the application header displays the Probe ID When PC is connected to the Radar the application header displays Radar ID range pipe on off status pipe diameter and low dielectric filter status The traffic icon at the screen bottom indicates communication status to probe c Pick Tools and select one of the following functions 1 Select Data Link Protocol RS 232 485 or Modbus RTU Default is RS 232 485 For probe with RS 485 port use a converter RS485 to RS232 between your PC and the microwave probes If those converters do not have external power supply and
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