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Eno Scientific Well Watch 700, Руководство пользователя

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WELL WATCH 700

USER MANUAL

TABLE OF CONTENTS

PRODUCT OVERVIEW...................................................................................4
QUICK START GUIDE....................................................................................5
CAUTIONS........................................................................................................7
BACKGROUND – HOW IT WORKS..............................................................9
INSTALLATION.............................................................................................11
SET UP.............................................................................................................14
LOGGING........................................................................................................23
USB COMMUNICATIONS............................................................................24
ANALOG OUTPUT.........................................................................................25
RS232 COMMUNICATIONS.........................................................................26
REMOTE SERIAL OPERATION OVER RS232...........................................27
INTERPRETATION OF SERIAL DATA.......................................................29
MODBUS COMMUNICATIONS...................................................................30
MAINTENANCE.............................................................................................35
FREQUENTLY ASKED QUESTIONS..........................................................36
Appendix A:  UPDATE RATES......................................................................38
Appendix B:   BAUD RATES..........................................................................39
SPECIFICATIONS..........................................................................................43
ADDITIONAL NOTES...................................................................................44
WARRANTY AND SERVICE........................................................................45

  Eno Scientific  Well Watch 700

Page 

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Содержание Well Watch 700

Страница 1: ...Eno Scientific Well Watch 700 Page 1 ...

Страница 2: ...Box 1586 Hillsborough NC 27278 USA www enoscientific com 910 778 2660 Copyright Notice Copyright 2017 Eno Scientific Hillsborough NC 27278 USA All rights reserved Part number 700 901 Eno Scientific Well Watch 700 Page 2 ...

Страница 3: ...23 USB COMMUNICATIONS 24 ANALOG OUTPUT 25 RS232 COMMUNICATIONS 26 REMOTE SERIAL OPERATION OVER RS232 27 INTERPRETATION OF SERIAL DATA 29 MODBUS COMMUNICATIONS 30 MAINTENANCE 35 FREQUENTLY ASKED QUESTIONS 36 Appendix A UPDATE RATES 38 Appendix B BAUD RATES 39 SPECIFICATIONS 43 ADDITIONAL NOTES 44 WARRANTY AND SERVICE 45 Eno Scientific Well Watch 700 Page 3 ...

Страница 4: ...straight or crooked with a constant diameter The Well Watch 700 consists of a model 710 control unit and a model 730 smart probe which are which are interconnected by a 4 conductor cable The 710 controller contains the driver electronics processor data logger display and keypad while the smart probe contains a second processor drive electronics speaker a microphone and a threaded spout to connect ...

Страница 5: ...s is an issue 2 Mount Controller Mount the controller in a protected area It is not weather proof It can be mounted using the screw flange or to a DIN rail 3 Connect the Controller to the Probe It is recommended that 1 2 flexible liquid tight conduit be used between the probe and controller area to prevent damage and moisture intrusion However a moisture tight strain relief may also be used Connec...

Страница 6: ...ter the new setting and stop the flashing Press the UP or DOWN button to continue to scroll through the other available settings Press DISP at any time to return to read the measured depth For best depth results the Range Min Range Max and the Well Temperature should all be set 8 Read other information While reading the depth display press the UP or DOWN buttons to read other information We encour...

Страница 7: ... is a possibility Use surge suppressors and grounding on signal lines When connecting the Well Watch to remote equipment through the RS232 port or analog outputs care is required to prevent ground loops lightning induced transients etc from reaching the Well Watch Over voltage and surge protectors and proper grounding should be used if this is a possibility FCC Warning Statement THIS DEVICE COMPLI...

Страница 8: ... this radio transmitter may only operate using an antenna of a type and maximum or lesser gain approved for the transmitter by Industry Canada To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication Conforme ment a la re glementation ...

Страница 9: ...ulate where in the well the pulse was reflected by timing the returning pulse The pressure wave generated by the probe will continue to travel into the well until something disturbs it Every imperfection in the well will disturb the wave and every time it is disturbed some of the wave changes direction and is reflected back to the Well Watch leaving the main wave a little weaker A complete obstruc...

Страница 10: ...maximum range setting is available to tell the Well Watch how long to listen If for example the pump is mounted at 200 feet then there is no reason to set any more than 250 ft as a maximum range The strength of the sound pulse generated by the probe depends on how much space it needs to fill A 12 pipe is 4 times larger than a 6 pipe in volume and therefore the pulse will be 4 times smaller A weake...

Страница 11: ...ell Watch to perform correctly It is best to install the probe mostly vertical with the wire connection toward the lower side to prevent any water leakage past a poor seal Also keep in mind that the probe is heavy and may require additional support if connected to the well with a small or flexible tube 2 Mount Controller Mount the controller in a protected area It is not weather proof and will suf...

Страница 12: ...ler matching pin for pin 4 Connect Power to the controller Connect the power source to the Ext Pwr terminal and adjacent GND terminal The unit requires 12 to 36 VDC at a peak load of 150 ma GND on the controller refers to the signal ground and power supply negative not earth ground 5 Connect Outputs from the controller The controller offers several options for data and control outputs There are tw...

Страница 13: ...DI 12 line and the shield to the GND terminal There are 2 analog outputs 0 5V and 4 20mA These outputs are available concurrently and are independently programmable The 0 5V output can source up to 15mA and requires and requires one wire for the output as well as a ground wire or common ground with the destination device The 4 20mA output acts as a throttle valve for an applied voltage and is isol...

Страница 14: ...uct name and hear a popping sound coming from the probe The Well Watch is now ready to run SET UP POWER ON Apply power to start the Well Watch The probe will pulsate and the LCD screen will display a product information screen for a few seconds then go to the default DISPLAY mode screen The depth is displayed on the top line once the unit adjusts to the well and calculates a stable reading While t...

Страница 15: ... in the units selected Occasionally a spurious depth reading will be calculated due to random noise in the well Software in the Well Watch identifies the anomaly and holds the last good data through a few bad data points while a good depth is obtained An asterisk is displayed before the depth while holding If a stable depth is not found in several tries the depth is replaced with searching until o...

Страница 16: ... normal operation The new settings are saved automatically as they are changed so there is no need to press ENTER There are several setting options as follow CONTROLLER PRODUCT INFO displays the controller product type configuration and the software version number The unit serial number is displayed by pressing the ENT button Press ENT or BACK to return to scroll settings PROBE PRODUCT INFO displa...

Страница 17: ... numbers are below the reference level into the earth The default reference level is 0 meaning that all reported depths are from the Well Watch It is common to set the reference level to the level of the pump for example 550ft so that numbers will be positive feet meters above the pump When this number is changed all other settings and readouts will be changed accordingly Eno Scientific Well Watch...

Страница 18: ...erence level at which the Well Watch will continue to look for the surface of the water A shorter range means more frequent pulses and faster updates A longer range gives less frequent updates and increases the possibility of collection spurious noise This should be set just beyond the lowest level expected WELL TEMP sets the average air temperature in the well If you do not know the well temperat...

Страница 19: ... the amount of water in the well It does not effect the measurement This is usually set to the level of the pump so that the WIW display indicates the amount of useable water in the well FLOW METER enables the flow meter functions in software if the flow meter input is being used Press ENT to enable the flow meter Press enter again to set the scale factor for the flow meter in gal pulse liters pul...

Страница 20: ...ing is enabled allows reporting of serial data to be scheduled independently of the system update time RS232 SETUP if RS232 is selected sets the serial port parameters The default is 19 200 baud 8 data bits 1 stop bit and no parity Press ENT to cycle through the various parameters Then ENT again or BACK to return to settings scroll mode RS485 MODBUS DATA if RS485 is selected sets MODBUS parameters...

Страница 21: ... will close when the level rises above 150 ft and open otherwise ALARM LOW ON available if the low alarm is enabled sets the low deep level with respect to the reference level at which the alarm contacts will close So for example if Alarm LOW is selected and the low set point is set to 650 then the alarm contacts will close when the level drops below 650 ft and open otherwise AUX OUTPUT enables th...

Страница 22: ...lts FACTORY RESET allows the user return the unit to the factory default configuration Press the ENT button to make the selection All user settings will be set to the Factory default values DIAGNOSTICS allows the user to display and perform some diagnostic functions The diagnostic display screens are as follow Last update showing D for the last reported depth without filtering BC for the number of...

Страница 23: ...ement data automatically at preset intervals when automatic logging is enabled Each data point includes the system time and date well ID depth temperature battery voltage signal strength and error codes The data is recorded in the SD memory which maintains the data even if the battery goes dead This memory is only accessible using the USB interface as described in the next section or by removing t...

Страница 24: ...T 88 5 81 4 B23 5 11 4 11 2 G171 199 300 N002 R0001 F24000 The interpretation of this data is as follows Data year month day Time hour min sec Depth in feet meters with respect to the reference level Temperature controller temp probe temp Battery Voltage controller ext pwr probe cap before pulse probe cap after pulse Gain outgoing pulse return pulse noise Noise level index Error codes see appendix...

Страница 25: ...alog depth 0v and the Analog depth 5v The voltage will then vary monotonically over this range and may be increasing or decreasing The 0 5 volt output can supply a maximum of 15ma The 4 20 ma output is an isolated current regulator for a supply voltage up to 36 v supplied externally The Well Watch external power can be jumped to the 4 20 terminal to allow the 4 20 terminal to source 4 20mA This ca...

Страница 26: ... allows communication from the Well Watch to the remote device and back This allows the Well Watch to be programmed and operated from a remote location The Well Watch offers a complete command set over the serial link to allow configuring the Well Watch settings A standard terminal emulator program such as HyperTerminal included with windows or Tera Term Pro available for free download from http w...

Страница 27: ... Well Watch If your computer has a built in com port it will probably be COM1 If you are using a USB adapter it may be any where from COM3 thru COM12 Then enter the port settings 19200 baud 8 data bits parity none 1 stop bit and flow control none Turn on the Well Watch and press the return key on your computer If it is set up correctly the Well Watch will return with a line of data and a WS2k prom...

Страница 28: ...k on when finished USER REMOTE COMMANDS In the following list iiii indicates a parameter of up to a 4 character integer no decimal point ddddd indicates up to 5 character decimal number decimal point optional cc indicates two nonnumeric characters and ret indicates a return ret send current data a0 ret alarm off a1 ret low alarm on a2 ret high alarm on a3 ret both alarms on ah iiii ret set high al...

Страница 29: ...meter ws ddddd ret set sound tube diameter wt ddddd ret set well temperature wm ddddd ret set well methane concentration x0 ret disable the aux output x1 ret enable the aux output xh ddddd set the turn off level for the aux output xl ddddd set the turn on level for the aux output return send a list of the current settings INTERPRETATION OF SERIAL DATA DATA QUERY A simple return sent to the unit in...

Страница 30: ...e rn indicates that the min range is 25 0 and the well temperature is set to 60 5 degrees etc MODBUS COMMUNICATIONS The RS485 port on the Well Watch is configured to communicate as a slave device on a two wire Modbus bus When the RS485 Modbus port is enabled the Well Watch becomes a Modbus slave device listening for data requests from a Modbus master device using either RTU or ASCII mode Data requ...

Страница 31: ...egister is addressed as all even numbers Address numbers require the addition of 1 to 4 thousand to define the formatting of the data Addition of 1000 sends data high byte of the high word first to low byte of the low word last Addition of 2000 swaps words 3000 swaps bytes of each word and 4000 swaps both So for example if registers 20 and 21 contained A B and C D respectively then address 1020 wo...

Страница 32: ... R O Flo32 probe bat voltage high 24 R O Flo32 probe bat voltage low 26 R O Flo32 probe temperature 28 R O Flo32 probe reported depth 30 R O Int32U amp gain fingerprint 32 R O Int32U amp gain echo 34 R O Int32U amp gain for max noise 36 R O Int32U probe noise level as of signal max 38 R O Int32U probe error codes 40 R O Int32U system error code 42 R O Flo32 controller battery voltage 44 R O Flo32 ...

Страница 33: ...nt32U probe unit serial number 126 R W Int32U probe unit ID 128 R W Int32U power save mode 130 R O Int32U enable and next turn on time for probe 132 R W Int32U english 0 metric 1 134 R W Flo32 max range min level 136 R W Flo32 min range max level 138 R W Flo32 depth of well 140 R W Flo32 diameter of well 142 R W Flo32 reference level 144 R W Flo32 well temperature 146 R W Int32U methane concentrat...

Страница 34: ...erial enable 0 off 1 rs232 2 rs485 3 sdi12 194 R W Int32U serial interval minutes 196 R W Int32U flow meter enable 198 R W Flo32 scale factor for flow meter 200 R W Flo32 offset for flow meter 202 R W Int32U flow accumulator 204 R W Flo32 battery voltage scale factor 206 R W Flo32 scale factor for thermistor 208 R W Flo32 offset for thermistor 210 R W Int32U zero level for analog output 212 R W In...

Страница 35: ... mask 3 282 R W Int32U ip mask 4 284 R W Int32U mac address 1 286 R W Int32U mac address 2 288 R W Int32U mac address 3 290 R W Int32U mac address 4 292 R W Int32U mac address 5 294 R W Int32U mac address 6 MAINTENANCE LITHIUM BATTERY There is a lithium coin cell inside the unit to maintain the system clock and settings This is a common type 2032 battery available at most local outlets This batter...

Страница 36: ...Watch work on larger diameter wells A The Well Watch with the standard probe works on wells up to 18 in diameter However as the well diameter increases the signal strength weakens and becomes more susceptible to pump noise and imperfections in the well Q How deep will the Well Watch measure A The maximum range is 7000 feet This may not be achievable on all wells however On a good 6 well with tight...

Страница 37: ... hand dug wells A Hand dug wells are often fairly large and irregular and as such may cause problems for the Well Watch due to multiple or weak reflections Some work and some do not However in any difficult to measure well a small tube can be installed specifically for measurement A 3 4 PE pipe can be used for up to 1000 provided splicers do not restrict the ID Q Can I use the Well Watch to measur...

Страница 38: ...ases after the the pulse has passed the nearby stronger reflections the stronger reflection from the water will dominate and the depth will jump up to the water level Appendix A UPDATE RATES Only certain update rates are allowed and are therefore referenced from a table by index number When setting the update rate remotely the rate must be specified by its index as follows index 0 0 minutes 1 1 2 ...

Страница 39: ...the display than in the log or serial communication Display error codes On the display error codes are represented one character per bit and is a period if the condition is normal or a capital letter if a condition is true Letters are used to make identification easier These can be interpreted as follows Probe errors A data overrun B driver voltage low C good pulse following long line probable wat...

Страница 40: ...ig ratio above level 2 W quiet noise to sig ratio above level 3 X quiet noise to sig ratio above level 4 Probe Status A power on normal mode B auto run mode C probe awake D probe running E probe incomplete F probe error G probe complete H set range max I set range min J set well temp K set pulse type L set pulse gain 1 M set pulse gain 2 N set pulse 1 O set pulse 2 P received depth result Q receiv...

Страница 41: ...rsed making the A bit the first on the right Four bits are expressed for each hexadecimal digit where each digit is composed of 4 bits with values of 1 2 4 and 8 You add the 4 bit values together to get the resulting code This sounds complicated but it really is not Here is how it works for the right digit expressing the error codes above The bits are 1 A 2 B 4 C 8 D So if error C was set the righ...

Страница 42: ...For the second digit the bits are 1 E 2 F 4 G 8 H etc Eno Scientific Well Watch 700 Page 42 ...

Страница 43: ... oz 284 g Mounting DIN rail or mounting flange Probe Dimensions 4 5 w x 4 5 h x 10 5 d 11 5cm w x 11 5 h x 26 7 l Unit Weight 10 lb 4 5 kg Mounting 2 FPT FEATURES Display 2x16 character LCD USB for access to the log data RS232 Serial Port baud 300 57600 8 data bits one stop bit 19200 baud default RS485 Serial Modbus Port baud 300 57600 8 data bits one stop bit 19200 baud default SDI 12 Ethernet An...

Страница 44: ...other It is also possible that a breakout or large fracture opening can also cause a false echo Ordinary pump piping and wiring will not interfere with the measurements The accuracy is also dependent on the sound speed in the well Since the sound speed is determined by the temperature the average temperature must be specified correctly The error is approximately 1 F The maximum range is limited by...

Страница 45: ...y direct indirect or consequential damages abuse acts of third parties rental equipment environmental conditions or other expenses which may arise in connection with such defective equipment This warranty shall not apply to damage of equipment caused by incorrect installation usage lightning storage alteration or inadequate care This warranty does not apply to parts assemblies or devices not manuf...

Страница 46: ...Eno Scientific Well Watch 700 Page 46 ...

Страница 47: ...Eno Scientific Well Watch 700 Page 47 ...

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