User Guide M211095en-h



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‣ Typical System Environments (page 183)
3.6 Serial Communication and Analog
Output
The following functionality is preconfigured at the factory according to your order:
• Digital communication interface for COM2
• Digital communication profile for COM2
Digital communication units
Chapter 3 – Functional Description
39

Analog output signals for wind speed channel (AOUT1)
• Analog output signals for wind direction channel (AOUT2)
3.7 Serial Communication
In WMT700, there are two serial communication ports:
• COM1: Service port (RS-485)
• COM2: Configurable digital communication interface
Both ports support the same commands, protocols, operations, and data messages. You can use any computer or data logger with a serial port to send commands to WMT700 and to receive measurement data Communication Interface
COM1 is a fixed RS communication interface to be used as a service port.
COM2 is a flexible digital communication interface that is preconfigured according to your order. The available options are:
• RS-232 (recommended up to 15 meter distance)
• RS-485 (recommended up to 1200 meter distance in point-to-point connection)
• RS-422 (recommended up to 1200 meter distance)
• SDI-12 (recommended up to 60 meter distance)
Note that the recommendations depend on communication speed and cable type. In optimized environments even longer distances can be considered.
Regardless of the factory configuration, you can change the COM interface type by using terminal software.


Document code
Testsetup according to
More information
Optiontemperature range
Optionheating
Optionhardware interface
Optionunit used
Optionoutput configuration
Selectionoutput configuration
Optionadapter type
Optionaccessories
Order codedescription
Aout1 selected option
Output signal
Swnddiroffset,(angle)
Parameterdefinition
Power supplywire colors
Used heating option
Heating option
Wire type/cable length
Descriptionspare part item
Wmt700connector pin
Open commandto activate the command, press enter
Commanddescription
Wind_getfetches wind calibration information.more information
S command. power must be on for at least 5 seconds after the s
Startcommand.more information
Itemdescription
Bitdescription
G command to fetch the current wmt700 parameters. disable error messages with the command s messages,0
Errors. if all values are valid, wmt700 sends the following response:0,0,0,0you can also use the g
Data message number
Ws425 and sdi messages
Parametername
Parameterdefault
Start command.to stop measurement, use the stop
Wb,wfirmware
Wf output:wff6785672109876.5432.1k99xx5.21.2 ws425 f/g asos data messagewmt700 responds to the wa
Bytedescription
Parameterdefault value
Id character
Wx command with a character fixed-length data message.character
Start command. to stop measurement, use thestop
Problemprobable cause
Error/eventcode
Parameter name
Propertydescription/value
Analog outputs for wind direction
Itemorder code
Configuration mode / measurement
Settingparameter
Start command. you can stop the measurement with the stop
Example of the command and response:
Baud........................................................................ 105clearerr
S............................................................................... 103sleep
Gget message. get parameter.........................................................104h
Jjunction box...............................................................28l



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