Gill Instruments MetPak User Manual Download Page 10

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Gill Instruments Ltd

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MetPak/MetPak RG and MetPak Pro

Page | 10

Issue 1

Doc. No. 1723-PS-0022

October 2018

Inputs MetPak Pro (MetPak RG Digital Input only).

Analogue 1 (AN1)

0 to 5V or 4 to 20mA MetPak Pro powered or Analogue Sensor
Powered

Analogue 2 (AN2)

0 to 5V or 4 to 20mA MetPak Pro powered or Analogue Sensor
Powered

Analogue Input A-D
Conversion

12 bit resolution with an accuracy of



0.1% of reading, +35uV

offset (voltage inputs) or



0.5uA (current inputs).

Analogue Input Impedance

Input impedance for 0-5v input is 330 k ohm.

Input impedance for 4-20mA input is 47 ohms.

PRT

4 wire PRT, Pt100 conforms to IEC 60751

Digital Input (DIG1)

Rain Gauge

Contact Closure input (tipping bucket rain gauge) capable of
capturing events up to 10Hz

Digital Input

Capable of detecting an event with a duration of greater than
1.4mS.

Digital Input

Capable of detecting a space between events (i.e. terminals
open-circuit) with a duration of greater than 11mS.

Digital Input

Capable of reading a switch contact closure providing the total
Digital Switch contact resistance (contact and cabling) is less
than 1k ohm.

Outputs

Digital Outputs

RS232, RS422, *RS485 (*2 wire point to point) or SDI-12.
(RS232 point to point and RS485 2 wire networkable –
MODBUS RTU/ASCII)

Baud Rates

1200 (SDI-12), 4800-57600 (ASCII RS232, RS422, *RS485)
9600-19200 (MODBUS RTU/ASCII)

Protocols

ASCII, SDI-12 V1.3, NMEA 0183 (MetPak only) or MODBUS
RTU/ASCII

Data Output

1 reading per second (1 Hz), 1 reading per 2 seconds, 1
reading per 4 seconds or Polled Mode

MetPak Status

Status codes provided within the data message string

RS485 2 wire point to point only.

Power Supply

Input voltage (RS232, RS422,
RS485)

4.5v to 30v dc

Current at 12v

MetPak            - 22mA
MetPak RG      - 26mA
MetPak Pro      - 26mA

Input Voltage SDI-12

9.6v to 16v dc (12v nominal)

Current

MetPak            - 30mA
MetPak RG      - 35mA
MetPak Pro      - 35mA

Summary of Contents for MetPak

Page 1: ... 1723 XB X 11X Firmware version 2436 4 02 04 Modbus units only Doc No 1723 PS 0022 Issue 1 Gill Instruments Limited Saltmarsh Park 67 Gosport Street Lymington Hampshire SO41 9EG UK Tel 44 1590 613500 Fax 44 1590 613555 Email 1 Website www gillinstruments com MetPak MetPak Pro MetPak RG ...

Page 2: ...TALLATION 12 4 1 Equipment supplied 12 4 1 1 Optional Extras 12 4 2 Connector and Cable Assembly 13 4 3 Communication Cabling 13 4 3 1 Cable type 13 4 3 2 Cable length 14 4 4 Cable Connections General 14 4 5 Earthing 14 4 6 Power supplies 15 4 7 Power and Communication Connections 15 4 8 Connecting to a PC using Gill RS232 to USB Configuration Cable 16 4 9 Connecting to a PC using RS232 Default se...

Page 3: ...VIEWING METPAK DATA 70 7 1 Use MetView to View the MetPak Data 70 7 1 1 Opening MetView 70 7 1 2 Scanning for Devices 71 7 1 3 The MetView Console 72 7 1 4 MetPak Pro User External Sensor Display 73 7 1 5 MetView Console Display Options 74 7 1 6 MetView Gauge Ranges and Graphs 75 7 1 7 Data logging 77 7 2 Use a Terminal Program to View the MetPak Data 79 7 2 1 Setting up a logging file 81 7 2 2 To...

Page 4: ...ed in the proven WindSonic instrument measures wind speed and direction Temperature and Humidity are measured and Dewpoint calculated using an industry standard probe housed in a naturally aspirated radiation shield Barometric pressure is measured using an industry standard sensor The MetPak RG allows in addition for the customer to use an aerodynamic tipping bucket for Rain measurements The MetPa...

Page 5: ...er MetPak MetPak RG MetPak Pro Wind Speed Relative Yes Yes Yes Wind Direction Relative Yes Yes Yes Temperature Air Yes Yes Yes Humidity Relative Yes Yes Yes Dewpoint Yes Yes Yes Barometric Pressure Yes Yes Yes Rain Precipitation No Yes Yes with user supply Rain Gauge Temperature from a PRT No No Yes with user supply PRT Analogue Sensor 1 No No Yes with user supply Sensor Analogue Sensor 2 No No Ye...

Page 6: ...y of U and V if the wind components along the U and V axis are blowing in the direction of the respective arrows MetPak outputs Relative wind wind speed and or direction relative to the north marker which may not be facing north 2 1 4 Radiation Shield A MetSpec Multi Plate Radiation Shield provides excellent protection to the Rotronics temperature and relative humidity sensor shielding the probe f...

Page 7: ... 2 1 7 Precipitation Digital Input 1 MetPak RG and MetPak Pro Rainfall is measured by the well proven tipping bucket method Rain is collected by a funnel and is passed to one of the two buckets situated at either end of a short balance arm The balance arm tips when the first bucket is full emptying this bucket and positioning the second bucket under the funnel The tipping process repeats indefinit...

Page 8: ...MetPak Sensors Status Code see para 8 3 2 2 1 12 Supply Voltage The DC Supply voltage measured at the MetPak unit is output in the MetPak Digital Data Output string 2 2 MetPak Sensors default ASCII Output Summary MetPak Default Data String Node Relative Wind Direction Relative Wind Speed Pressure Humidity Temperature Dewpoint Supply Voltage Status Checksum STX Q 170 000 08 1019 5 035 0 024 7 008 3...

Page 9: ...ind Direction Range 0 359 Degrees No dead band Accuracy 3 12 m s Resolution 1 Air Temperature Hygroclip Type Pt 100 1 3 Class B Range 35 C to 70 C Accuracy 0 1 C Resolution 0 1 C Units of Measure C or F Relative Humidity Hygroclip Range 0 100 Accuracy 0 8 23 C Resolution 1 Units of Measure RH Dew Point Resolution 0 1 C Accuracy 0 15 C 23 C ambient temperature 20 C dew point Units of Measure C or F...

Page 10: ... capturing events up to 10Hz Digital Input Capable of detecting an event with a duration of greater than 1 4mS Digital Input Capable of detecting a space between events i e terminals open circuit with a duration of greater than 11mS Digital Input Capable of reading a switch contact closure providing the total Digital Switch contact resistance contact and cabling is less than 1k ohm Outputs Digital...

Page 11: ... Construction UV Stabilised white thermoplastic Wind Sensor and Hygroclip Mountings and anodized Aluminium bracket Fittings Overall Dimensions MetPak MetPak RG MetPak Pro 364mmx287mmx142mm excluding bracket clamp 364mmx287mmx142mm excluding bracket clamp 364mmx287mmx142mm excluding bracket clamp Weight MetPak MetPak RG MetPak Pro 2 2kg including bracket 2 2kg including bracket 2 2kg including brac...

Page 12: ...on a CD in the MetPak box this manual and Product Test Report 4 1 1 Optional Extras Item Part Number Barometric Pressure Hub Box Gore Tex filter spares kit 1723 PK 024 Hygroclip Temperature and Humidity Filter Replacement Kit two filters 1723 PK 025 Hygroclip HC2 S3 GI 037 04263 Junction Box with internal terminating pcb for MetPak Pro 1723 PK 201 Rain Gauge ARG100 Tipping bucket no cable attached...

Page 13: ...osure input connection DIG1 Digital Switch MetPak Pro has in addition various Sensor Input connection options AN1 and AN2 Analogue inputs 0 5v or 4 20mA PRT Platinum Resistance Thermometer Input It is important that the cable is appropriate for the chosen communication network The following sections describe the recommended types and maximum lengths of cable in each case 4 3 1 Cable type Wire type...

Page 14: ...ot used should be isolated and grounded at the terminating equipment user end Digital OV should be used in conjunction with RS422 TX RX lines in order to improve noise immunity The Cable should be secured With cable clamps or equivalent at regular intervals such that the hub box cable gland does not support the cable weight Away from the mounting bolts to prevent chaffing of the cable NOTES Instal...

Page 15: ...rip the power and communication cable wires to have 8mm of exposed soldered wire Pass the cable through one of the gland nuts please refer to para 4 4 Notes Locate the green 8 way plug in connector J5 see below Connect the cable to J5 for the required communication type e g RS232 RS422 etc Attach the cable s screen wires to the Hex terminal post see below After connection securely tighten the glan...

Page 16: ...nnecting to a PC using Gill RS232 to USB Configuration Cable Connect MetPak to a PC USB port using the Gill Configuration Cable 1723 10 051 J5 Pin 1 2 3 4 5 6 7 8 Colour None None Yellow Orange None None Black Red Connection of Gill USB Cable Part No 1723 10 051 the J5 8way Phoenix connector part number is 1881383 NOTES If upon connecting the USB lead to a PC the driver is not found by the PC then...

Page 17: ...ns 8 way connector J5 all units Connector J1 Wire Colour Signal Name 1 No Connection 2 Blue RXD from Hygroclip UART 3 Red TXD to Hygroclip UART 4 Yellow Analogue 0V Not Used 5 Grey Supply Signal 0V 6 Green Supply ve 3 3V DC Connector J4 Wire Colour Signal Name 1 No Connection 2 No Connection 3 Blue RS232 TX Anemometer Output to Hub 4 White RS232 RX Hub Output to Anemometer 5 Green Signal 0v 6 Yell...

Page 18: ...G and MetPak Pro Digital Switch Input DIG1 2 way connector J8 MetPak Pro Analogue Sensors Input AN1 and AN2 8 way connector J9 Connector J7 Signal Name 1 PWR PRT Power Supply ve 2 PRT 3 PRT 4 GND PRT Power Supply Ground Connector J8 Signal Name 2 DIG1 Digital Switch Contact Input 1 GND Ground Connector J9 Signal Name 1 VI 1 Voltage Input 1 2 GND Voltage Input 1 Ground 3 VI 2 Voltage Input 2 4 GND ...

Page 19: ...No 1723 PS 0022 October 2018 4 9 Connecting to a PC using RS232 Default setting 1 MetPak Range default factory comms setting is RS232 2 The recommended cable length for reliable operation is limited to 6 5m 20ft 3 For longer cable runs we recommend use of RS422 output 4 10 Connecting to a PC using RS422 Not a Default Setting 1 MetPak Range default factory comms setting is RS232 2 To use the MetPak...

Page 20: ...tory comms setting is RS232 2 To use the MetPak Range with RS485 2 wire point to point communication use MetSet to change the COMMS Interface setting to RS485P 2W 3 Use MetSet to change the Message setting from CONT Continuous to POLL the node address letter may be changed if required 4 Note that it is not possible to network other devices on this 2 wire RS485 link unless the unit has been set for...

Page 21: ...erminal 1 AN1 and AN2 4 13 Analogue Digital and PRT Input Connections NOTE MetPak This section is Not Applicable MetPak RG Digital input connection applicable only MetPak Pro Analogue Digital and PRT Input connections all applicable Analogue 0 5 volt Input Connections AN1 and AN2 This is not a default setting ensure the MetPak Pro has been configured for this input requirement before wiring sensor...

Page 22: ...ak Pro has been configured for this input requirement before wiring sensors to the MetPak Pro See picture above for Power and Communication Connections Analogue 4 20mA Input Connections MetPak Pro Powered AN1 and AN2 This is not a default setting ensure the MetPak Pro has been configured for this input requirement before wiring sensors to the MetPak Pro See picture above for Power and Communicatio...

Page 23: ...the Hub Box or another rain gauge wiring 1 Open the MetPak hub box by unfastening the four screws 2 Locate connector J8 3 Pass the cable through one of the gland nuts see Note below 4 Connect the cable to connections as detailed above 5 Attach the cable s screen wire to a terminal post 6 After connection securely tighten the gland nut to prevent moisture ingress 7 Re fit the hub box lid NOTE The M...

Page 24: ...___________________________________________________ MetPak MetPak RG and MetPak Pro Page 24 Issue 1 Doc No 1723 PS 0022 October 2018 Platinum Resistance Thermometer PRT Input This is not a default setting ensure the MetPak Pro has been configured for this input requirement before wiring sensors to the MetPak Pro See the previous picture for Power and Communication Connections ...

Page 25: ...minal connectors and optional mounting hardware to provide a means of connecting external sensor and MetPak Pro wiring at a convenient common point Alternatively the pcb with removable terminal connectors can be supplied as a standalone item for mounting in a customer supplied box Junction Box parts if required are 1723 PK 201 Junction Box with internal terminating pcb 1723 PK 202 Terminating pcb ...

Page 26: ...o Page 26 Issue 1 Doc No 1723 PS 0022 October 2018 Junction Box Terminal Block Connections Note that the Junction box glands will accept cables with an outer diameter between 3 10mm If a smaller diameter cable is to be used bulk out with heat shrink or suitable sleeve to ensure the gland can secure the cable and provide an environmental seal Communication System Connections Only connect cables tha...

Page 27: ...______________________________________________________________________________________________ MetPak MetPak RG and MetPak Pro Page 27 Issue 1 Doc No 1723 PS 0022 October 2018 4 20mA Current Sensor System Connections Sensor Powered 4 20mA Current Sensor System Connections MetPak Pro Powered 0 5 Volt Voltage Sensor System Connections ...

Page 28: ...____________________________ ________________________________________________________________________________________________ MetPak MetPak RG and MetPak Pro Page 28 Issue 1 Doc No 1723 PS 0022 October 2018 Digital Switch Sensor System Connections PRT System Connections External Power Supply Connections ...

Page 29: ...e Gill Instruments Configuration cable 4 15 2 Software Gill MetSet Software used as a configuration Tool supplied on MetPak CD will run on PC s with up to and including Windows 10 and can be downloaded free from http www gillinstruments com main software html 4 15 3 Bench system test The CD supplied in the MetPak box contains a copy of the manual and relevant software to check and set up the MetPa...

Page 30: ...________________________________________________________ MetPak MetPak RG and MetPak Pro Page 30 Issue 1 Doc No 1723 PS 0022 October 2018 5 INSTALLATION General Installation Guidelines are as follows 5 1 Example Installation Guidelines 5 1 1 Non Heated Wind Sensor System MetPak Pro System Connections A Typical MetPak Pro system might look like the following illustration ...

Page 31: ...integrity must be maintained to prevent the EMC performance being compromised Earth loops should not be created earth the system in accordance with the installation guidelines Ensure the power supply operates to the MetPak specification at all times 5 3 Wind Sensor Installation Avoid turbulence caused by surrounding structures that will affect the accuracy of the MetPak such as trees masts and bui...

Page 32: ...unting clamp suitable for attaching to a vertical pipe with a diameter of 30 58mm When mounting the MetPak consider the position orientation and alignment of the unit Note that the mounting pipe should first be degreased and when assembling the MetPak clamp assembly the outer clamp nuts need to be tightened evenly to a torque figure of 3 Nm The moving plate part of the clamp needs to be reversed f...

Page 33: ..._____________________________________________________________ ________________________________________________________________________________________________ MetPak MetPak RG and MetPak Pro Page 33 Issue 1 Doc No 1723 PS 0022 October 2018 MetPak Units overall dimensions ...

Page 34: ...________________________________________________________ MetPak MetPak RG and MetPak Pro Page 34 Issue 1 Doc No 1723 PS 0022 October 2018 5 5 MetPak Pro Junction Box Mounting 1723 PK 021 The optional MetPak Pro Junction Box comes with two mounting arrangement options Junction Box Pole Mount Using Gill Instruments part 1723 PK 203 Pole Mount brackets set for Junction Box ...

Page 35: ...e A clear view of the sky is best for an optimal solar measurements Mounting obstructions tree canopy hills mountains and tall buildings that obscure the view overhead or of the horizon can impede solar readings If a solar sensor is incorporated with the MetPak then mount the unit as vertical as possible during installation for optimal readings 5 7 Rain Gauge Installation The MetPak RG ARG100 rain...

Page 36: ...like concrete by replacing the 4 supplied pegs with screws and rawlplugs For temporary mounting on hard surfaces use some bricks or heavy weights on the four corners of the baseplate the height of the weights should be kept as low as possible to cause the minimum interference with the aerodynamics of the rain gauge Refit the tipping bucket base assembly Refit the nylon spacers over the 3 studs Loo...

Page 37: ..._________________________________________________ ________________________________________________________________________________________________ MetPak MetPak RG and MetPak Pro Page 37 Issue 1 Doc No 1723 PS 0022 October 2018 Rain Gauge Dimensions Rain Gauge Base plate Dimensions ...

Page 38: ...8 3 Dewpoint 04 9 Supply Voltage 00 Status ETX 55 Checksum NOTES STX is the Start of String character ASCII value 2 ETX is the End of String character ASCII value 3 Checksum the 2 digit Hex Checksum sum figure is calculated from the Exclusive OR of the bytes between and not including the STX and ETX characters MetSet Reading MetPak Default Settings Setting Function Setting Function Comms Levels RS...

Page 39: ...x Checksum sum figure is calculated from the Exclusive OR of the bytes between and not including the STX and ETX characters MetSet Reading MetPak RG Default Settings Setting Function Setting Function Comms Levels RS232 Sensor WindSpeed On Baud Rate 19200 Wind Speed Units MS Metres Second Data Connection Data Bits 8 Parity None Stop Bits 1 Flow Control None Temperature Sensor On Node ID Q Temperatu...

Page 40: ...ressure 042 1 Humidity 23 0 Temperature 009 4 Dewpoint PRT PRT not configured Analogue Input 1 not configured Analogue Input 2 not configured Digital Input 1 not configured 04 9 Supply voltage 00 Status code ETX 40 Checksum NOTES STX is the Start of String character ASCII value 2 is the default output for PRT until configured by MetSet is the default output for Analogue Inputs 1 2 and Digital Inpu...

Page 41: ...nits MS Metres Second Temperature Sensor On Temperature Units C Degrees Celsius Dewpoint Sensor On Dewpoint Units C Degrees Celsius Pressure Sensor On Pressure Units Hecto Pascals Humidity Sensor On Humidity Units Report Format Node Polar Wind Direction and Wind Speed Pressure Humidity Temperature Dewpoint PRT AN1 AN2 DIG1 Volts Status Checksum Status Message Output On Report Message Output On Uni...

Page 42: ...2 1 2 Opening MetSet Click on the MetSet button on your PC s desktop or choose Start All Programs MetSet MetSet The MetSet Control Centre window is displayed If you have more than one MetPak connected to your PC MetSet by default selects the first device detected For most applications it is recommended to click on the MetSet Connect and Read button MetSet interrogates the MetPak and returns a summ...

Page 43: ... ON UNITS DEWPOINT C SENSOR PRESS ON UNITS PRESS HPA SENSOR RH ON UNITS RH REPORT NODE DIR SPEED PRESS RH TEMP DEWPOINT PRT AN1 AN2 DIG1 VOLT STATUS PUPMSG STATUS ON PUPMSG REPORT ON PUPMSG UNITS ON PUPMSG INPUTS ON SENSOR PRT ON UNITS PRT C SENSOR AN1 ON SENSTYPE AN1 NOT CONFIGURED UNITS AN1 ANIP AN1 VOLTAGE 99999 99998 SUBST AN1 NOT CONFIGURED SENSOR AN2 ON SENSTYPE AN2 NOT CONFIGURED UNITS AN2 ...

Page 44: ...sfully connected to MetSet OFFLINE in Grey indicates that MetSet is being used without a MetPak in communication with MetSet 19200 COM7 19200 is a report on the MetPak Baud rate setting COM 7 is a report on the MetPak COM Port connection number S W ver 2436 4 01 01 2436 is the MetPak Firmware number 4 01 01 is the firmware revision PV 4 is the Protocol Version Gill Internal Reference Source Device...

Page 45: ...When selected MetSet retrieves a MetSet edit PC file and updates MetSet with these settings Save Configuration File When selected MetSet edit settings are saved to a PC file location Back Up Device Settings When selected the MetPak configuration settings are transferred to MetSet and then to a file location selected on a PC Restore Device Settings When selected MetSet retrieves a MetPak configurat...

Page 46: ...e can be used to Select Protocol GILL or MODBUS Interface RS232 RS422 RS485P2W point to point SDI 12 Baud Rate 4800 9600 19200 38400 or 57600 1200 baud auto selected with SDI 12 setting Node ID A to P Q to Z Output Rate 1Hz 1 per second 1 2Hz and 1 4Hz Message Mode CONT Continuous output or POLL Polled Mode NOTES When COMMS or Baud Rate settings are changed and Saved to Device a warning is issued ...

Page 47: ...North alignment then an offset figure can be set to correct for this Sensor WindSpeed ON or OFF Wind Speed Units MS KTS MPH KPH FPM Metres Second Knots Nautical miles hour Miles Hour Kilometres Hour Feet Minute No Direction Wind Speed 0 00m s to 5 00m s speed above which direction readings are output The Temperature Page can be used to select Temperature Sensor ON or OFF Temperature Units C K or F...

Page 48: ...G or MetPak Pro units Select Parameters to Report Actual reported parameters and order of output shown will depend on the MetPak Model and for more details on derived parameters refer to page 5 Blank Field NODE Outputs a Node letter A to Z DIR Outputs Wind Direction readings SPEED Outputs Wind Speed readings PRESS Outputs the Barometric Pressure reading RH Outputs Relative Humidity reading TEMP Ou...

Page 49: ...ct Status Message Output ON or OFF E g METPAK PRO 2436 V4 01 01 STARTUP OK Report Message Output ON or OFF E g NODE DIR SPEED PRESS RH TEMP DEWPOINT PRT AN1 AN2 DIG1 VOLT STATUS CHECK Units Message Output ON or OFF E g DEG MS HPA C C C V Inputs Message Output ON of OFF E g PRT CONFIGURED AN1 NOT CONFIGURED AN2 NOT CONFIGURED DIG1 NOT CONFIGURED The PRT Page MetPak Pro can be used to select PRT Sen...

Page 50: ... and AN2 Edit pages can be used to set a MetPak Pro low value and high value range figure to be input to match the output range of the connected sensor For instance if a 0 5v Pressure Sensor scaled over a range of 600 to 1100 Milli bars is connected to AN1 then set MetSet AN1 Edit Screen for low value 600 and high value to 1100 and save this as device setting The MetPak Pro will then output the ac...

Page 51: ...r example 0 199 mm hr Substitute Name A field available for typing in a user name between 3 to 8 characters long In Continuous Output Mode A count will occur of the number of switch closure events taking place over 1 second default 1Hz output rate or during 2 seconds 0 5Hz or during 4 seconds 0 25Hz and will be output in each digital data output reading when DIG 1 enabled In Polled Mode The MetPak...

Page 52: ...________________________________________ MetPak MetPak RG and MetPak Pro Page 52 Issue 1 Doc No 1723 PS 0022 October 2018 The MODBUS Page can be used to select Mode RTU or ASCII Address 1 to 247 Data Bits 8 for Modbus RTU 7 for Modbus ASCII Stop Bits 2 for No Parity 1 for Even Odd Parity Parity NONE ODD or EVEN Termination Char ASCII code 10 0 255 Inter Char Timeout mS 1000 500 to 10000 ...

Page 53: ...m sends a Poll signal to the MetPak Unit consisting of a Character followed by the MetPak Unit Node ID that is the relevant letter A Z The commands available in Polled mode are Description Command Base Station Response Enable Polled mode None MetPak Unit ID A Z Data output generated Disable Polled mode None Request MetPak Unit Identifier A Z as configured It is suggested that in polled mode the fo...

Page 54: ... changes are required Click on Save Settings to Device on the Online Mode Menu Shut down the MetPak unit Change the hardware connections for SDI 12 see Para 4 12 Power up the MetPak unit SDI 12 supply voltage 9 6v to 16v dc 6 4 1 SDI 12 Units of Measure NOTE Not all the following outputs are available and will depend on the MetPak variant see page 5 Para 2 1 2 MetPak Model SDI 12 Output Parameters...

Page 55: ...ll MetPak Status Codes aM4 Pressure Hecto Pascals millibars aM5 PRT Analogue Input 1 Analogue input 2 and Digital Input 1 aM6 PRT aM7 Analogue Input 1 and Analogue Input 2 aM8 Digital Input 1 aM9 Power Supply Voltage Volts aD0 Request a line of the above data Command Description Response Example Unit Address a CR LF 0 CR LF aAb Change the unit address a 0 the default b the new address b CR LF 1 CR...

Page 56: ... LF aM3 Temperature degrees C Humidity Dewpoint Degrees C and Full Sensor Status Codes atttn CR LF 00054 CR LF 0D0 Retrieve a line of the above data a temp humidity dewpoint status CR LF 0 21 6 041 0 0007 8 00 CR LF aM4 Pressure Hecto Pascals millibars atttn CR LF 00051 CR LF 0D0 Retrieve a line of the above data a pressure CR LF 0 1013 0 CR LF aM5 PRT Analogue Input 1 Analogue Input 2 and Digital...

Page 57: ...Power Supply Voltage Volts and CRC aD0 Request a line of the above data Command Description Response Example aMC Wind Direction Speed direction in Degrees speed in Metres Sec Temperature degrees C Pressure Hecto Pascals millibars Humidity and CRC atttn CR LF a is unit identifier ttt is time in seconds n is number of data values Measurement command to retrieve a reading of the maximum time the MetP...

Page 58: ...ve a line of the above data a pressure CRC CR LF 0 1017 8GM CR LF aMC5 PRT Analogue Input 1 Analogue Input 2 Digital Input 1 and CRC atttn CR LF 00054 CR LF 0D0 Retrieve a line of the above data a prt AI1 AI2 dig1 CRC CR LF 0 001 19 0000 6 0000 4 0000 000 CQx CR LF aMC6 PRT and CRC atttn CR LF 00051 CR LF 0D0 Retrieve a line of the above data a prt CRC CR LF 0 001 19IT CR LF aMC7 Analogue Input 1 ...

Page 59: ...3 5 Characters Silence Frame End Characters CR LF 0D 0A Hex 3 5 Characters Silence Gaps in Message 1 Second 1 5 Times Character Length Start Bit 1 1 Data Bits 7 8 Parity Even Odd None Even Odd None Stop Bits 1 2 1 2 Read Holding Registers function code is 0x03 Diagnostics 0x08 Get Comm event counter 0x0B Report slave server ID 0x11 Requires MetPak unit with version 2346 4 02 04 firmware MetSet Sof...

Page 60: ...quired Baud rate 9600 or 19200 supported Node ID Default is Q Not used for MODBUS Output Rate Default is 1Hz Set update rate for MetPak Data Message Mode Default is CONT Select POLL mode and MetPak will only make and output a measurement set by the output rate on demand from the Modbus Master In CONTinuous mode the MetPak continuously makes measurements set by output rate 0 25Hz to 1Hz and only ou...

Page 61: ...RE 32 Bit Floating Point Value 2 40010 11 DEWPOINT 32 Bit Floating Point Value 2 40012 13 SUPPLY VOLTAGE 32 Bit Floating Point Value 2 40014 15 STATUS 32 Bit Unsigned Integer UINT 2 40016 17 MetPak RG Output Parameters Type No of Registers Register Numbers NODE 4 Bit Character String 2 40001 2 DIRECTION 32 Bit Floating Point Value 2 40003 4 SPEED 32 Bit Floating Point Value 2 40005 6 PRESSURE 32 B...

Page 62: ...bit register s value shall be High Byte Low Byte 5 For each 32 bit data type whether floating point or integer the order of the first pair of bytes and last pair of bytes shall be High Word Low Word 6 Registers start at address 40001 7 Holding registers available in the order of the MetPak data string which can be established by the REPORT command in non Modbus Gill ASCII Mode 8 If measurements ca...

Page 63: ...d Click on Save Settings to Device Alternatively set for NMEA using a Terminal Program Open a Terminal program such as Tera term Putty HyperTerminal Place the MetPak into SETUP MODE by Typing the command Type REPORT NMEA and press Enter Type BAUD 4800 and press Enter Type COMMS RS422 and press Enter Until the unit is restarted the COMMS setting will remain unchanged Shut down the MetPak unit Chang...

Page 64: ... 0 Temperature Reading C Temperature Reading in Degrees Centigrade TEMP Name of Temperature Sensor P Type of Sensor Pressure 1 0199 Pressure Reading in Bars B Pressure Units of Measure Bars PRESS Name of Pressure Sensor H Type of Sensor Humidity 039 6 Humidity Reading in Percent P Humidity Units of Measure Percent RH Name of Relative Humidity Sensor 33 Hex CheckSum CR is a Carriage return characte...

Page 65: ...tever configuration setting may have been made For instance if the unit has been set for SDI 12 or Modbus operation Safe Mode can be used to change the communication option back to RS232 RS422 or RS485 6 7 1 Safe Mode Method 1 Connect the MetPak for RS232 communication as detailed in Para 4 9 Open Gill MetSet Software see Para 6 2 Click on Connect and Read MetSet will scan COM port settings for a ...

Page 66: ..._______ MetPak MetPak RG and MetPak Pro Page 66 Issue 1 Doc No 1723 PS 0022 October 2018 Enter the MetPak COM Port connection number Ensure power is now disconnected from the MetPak If using the Gill RS232 to USB configuration lead then unplug the 8 way connector from J5 in the MetPak hub box Do not remove the Gill Configuration lead USB connector from the PC as this will stop Safe Mode being achi...

Page 67: ...___________________ MetPak MetPak RG and MetPak Pro Page 67 Issue 1 Doc No 1723 PS 0022 October 2018 Now re connect power to the MetPak If using the Gill Instrument RS232 to USB configuration cable then plug in the 8 way connector to J5 in the MetPak Hub box MetSet should now find the MetPak as follows to read settings MetPak Settings read as follows and reports Comms mode setting as RS4852W Click...

Page 68: ..._________________________________ MetPak MetPak RG and MetPak Pro Page 68 Issue 1 Doc No 1723 PS 0022 October 2018 MetSet now opens a Safe Mode 4800 baud connection from which all settings can now be read and changed MetSet has detected the MetPak settings in this case Comms were set for RS485 2 Wire Now use the MetSet Interface Menu to make any required changes e g change comms back to RS232 ...

Page 69: ...not applicable Open Gill Wind Software Serial Port Set the drop down menu to the required COM Port Connection Click on the OK button Baudrate Set the drop down menu to 4800 Bauds A blank Wind Terminal screen will be opened Left Click the mouse in the blank terminal screen Hold down the key on the keypad With the key still held down apply power to the MetPak This will result in placing the unit int...

Page 70: ...RS422 connected units only MetView will not read SDI 12 or MODBUS data strings 7 1 1 Opening MetView Click on the MetView button on your PC s desktop or choose Start Programs MetView MetView The MetView Control Centre window is displayed Connect to first device found Default setting and when selected and Scan operated will connect to the MetPak with the lowest COM port number if multiple MetPaks a...

Page 71: ...________________________ MetPak MetPak RG and MetPak Pro Page 71 Issue 1 Doc No 1723 PS 0022 October 2018 7 1 2 Scanning for Devices To set up communicate between MetView and a connected MetPak Range unit Click on the Scan button to search the available COM ports for MetPak devices When a device is found MetView obtains the MetPak unit configuration settings and then retrieves and displays MetPak ...

Page 72: ... Input 1 and Analogue Input 2 There are also digital readouts of Dew Point and Digital Input 1 Buttons beneath each of the gauges allow you to choose the displayed units and other options Each gauge also shows the maximum and minimum values recorded during the current session The wind speed gauge also shows the maximum gust speed Note MetView will not show data if the unit is set for MODBUS or SDI...

Page 73: ...____________________ MetPak MetPak RG and MetPak Pro Page 73 Issue 1 Doc No 1723 PS 0022 October 2018 7 1 4 MetPak Pro User External Sensor Display NOTE The order in which the instruments are shown in the MetView display reflects the order in which the instrument data appears in the MetPak Pro data string PRT Input AN1 Input with user defined title SUN AN2 Input DIG 1 Input Typically used with Rai...

Page 74: ...choose from two display styles NSEW or Maritime Wind Speed Markers Use buttons to add markers on the gauge for Max Min or Max Gust Wind Speed Use buttons to choose from five wind speed units m s kph mph kts fpm Pressure Use buttons to choose from pressure scales hPa mbar inHg mmHg Humidity Displays Max and Min values during current session in Temperature DewPoint Use buttons to choose from three t...

Page 75: ...to view changes in conditions more visibly Note these changes only affect MetView settings and do not affect the MetPak Unit output For instance if the typical temperature measurement range required is from 10 degrees to 40 deg C then the temperature gauge range can be adjusted to reflect this Place the mouse pointer over the Temperature display gauge and double click to bring up the Set Gauge Ran...

Page 76: ... 1723 PS 0022 October 2018 Graphs MetView allows data detected over the last minute last 1 hour and last 24 hours to be accessed and shown on a graph Note Data is only shown up to the time when the graph function is selected the graph is not updated once opened Data is collected from the time that MetView is opened and reading data from a MetPak unit Click on the Last Min Last Hour or Last 24 Hour...

Page 77: ...p data logging Setting up a logging file Select Enable Logging Log File location Click on the Browse button to identify the folder where you want to store the data file Enter the name of the file Log file header If required type some notes on the data that is to be recorded which will appear at the top of the saved data log file Log File Rotation If required set up segmented logging with each logg...

Page 78: ...d Click on the OK button to commence logging and return to the console To show that data is being recorded the Logging button s icon changes to a green tick To stop logging Click on the Logging button on the MetView console Clear the Enable Logging check box Click on the OK button If logging has stopped the Logging button shows a red background cross instead of the green background tick see above ...

Page 79: ...ro Page 79 Issue 1 Doc No 1723 PS 0022 October 2018 7 2 Use a Terminal Program to View the MetPak Data There are many terminal programs that might be used to view the MetPak data string examples include HyperTerminal Putty Tera Term etc If for example Tera Term is used Open Tera Term Select Serial Select MetPak connected Com port Click on Ok Tera Term has opened at 9600 baud and MetPak uses 19200 ...

Page 80: ...____ ________________________________________________________________________________________________ MetPak MetPak RG and MetPak Pro Page 80 Issue 1 Doc No 1723 PS 0022 October 2018 Select Setup from the top menu Click on Serial Port from the drop down menu Change Baud rate to 19200 Click on OK Data will be output as follows ...

Page 81: ...ober 2018 7 2 1 Setting up a logging file Select File Log Look in select a log file location Select Save in destination E g Desktop File Name add the name for the file e g teraterm Tick options as required e g Timestamp Click on Save The following dialog box will open on the PC desk top 7 2 2 To stop logging Click on the Close button to Stop Logging Understanding Logged Data Logged data is stored ...

Page 82: ...ersists 8 2 1 Wind Sensor WindSonic If there is any build up of deposits on the unit it should be gently cleaned with a cloth moistened with soft detergent Solvents should not be used and care should be taken to avoid scratching any surfaces The unit must be allowed to defrost naturally after being exposed to snow or icy conditions do NOT attempt to remove ice or snow with a tool There are no movi...

Page 83: ...f you do not replace the filter every 24 months you may start to see elevated or erroneous readings of the pressure sensor with time and this behaviour can be corrected by replacement of the Gore Tex filter unit The Gore Tex filter kit is available from Gill Instruments Part Number 1723 PK 024 To replace the filter unscrew the 4 screws retaining the hub box lid Remove the existing Gore Tex filter ...

Page 84: ...e enabled HCS2 S3 GI 8 2 5 Tipping Bucket Precipitation Sensor MetPak RG and MetPak Pro optional Maintenance periods are site dependant but periodic maintenance every 2 3 months should be considered To ensure reliable and accurate measurements we recommend that the following checks are carried out at each visit to the rain gauge Please note that if the gauge is still connected to a data logger and...

Page 85: ...emove and clean any dirt from the tipping buckets being careful not to tip the bucket should the rain gauge still be logging Check that the gauge is still level It is possible for the gauge to become tilted as a result of small ground movements vandalism etc There will be times when for one reason or another the rain gauge will be not logging or will be disconnected from the logger during these ti...

Page 86: ...mmed into the MetPak Range hub box If a replacement or re calibrated Rain Gauge is used then the Hub box will need programming using MetSet with the new tip calibration factor if this has changed Calibration figures can be seen on the labels inside the Rain Gauge on the underneath of the bucket and adjacent to the tip assembly 8 2 6 Tipping Bucket Spare Parts 1723 PK 076 Aerodynamic Tipping Bucket...

Page 87: ...r should be obtained from Gill Instruments first if returning directly to Gill Instruments 8 3 Fault finding 8 3 1 Fault Symptons Solutions Symptom Solution No output Check DC power to MetPak cable and connections Check communications settings of the MetPak and host system match including correct Com port Check that the unit is in Continuous mode Check that in line communication devices are wired ...

Page 88: ...ulty 04 Wind Sensor Axis 1 and 2 failed U and V axis blocked or faulty 08 Wind Sensor NVM error Non Volatile Memory checksum failed data could be uncalibrated 09 Wind Sensor ROM error Read Only Memory checksum failed data could be uncalibrated 0B Wind Sensor reading failed Wind Sensor faulty 10 Hygroclip error Hygroclip faulty 20 Dewpoint error Hub Pec faulty 40 Humidity error Hygroclip faulty 66 ...

Page 89: ...ing a known working test cable Check for normal output data and that the Status Code is OK 00 If the status code is other than 00 refer to above Table for a list of status error codes Use an office fan or similar to check that the unit is sensing wind turning the unit to simulate changing wind direction and to check that both axes are functioning Check for output changes in temperature and relativ...

Page 90: ... string character fpm Feet per minute GND GrouND HEX HEXadecimal I P InPut IP66 Protection Classification KPH Kilometres per Hour LF Line Feed m s Metres per second MAG MAGnitude scalar reference to wind speed MAX MAXimum MIN MINimum MPH Miles per Hour NMEA 0183 V3 National Marine Electronics Association No Number NVM Non Volatile Memory O P Output PC Personal Computer PCB Printed Circuit Board RO...

Page 91: ...________________________________________________________________ ________________________________________________________________________________________________ MetPak MetPak RG and MetPak Pro Page 91 Issue 1 Doc No 1723 PS 0022 October 2018 9 2 Electrical Conformity ...

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