User Guide M211095en-h


aXUx!• Heater Control Command aXHx!



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aXUx!
Heater Control Command
aXHx!
• Check Current Sub mode
aX?!
• Place Sensor in Sub mode B Command
aXQx;c.c;n;yyyy!
• Reset the Sensor to Sub mode A Command
aXS!
• Check Current Measurement Unit Command
aX*!
• Continuous Measurement
aR0!
More Information
‣ Command Set for WMT700 (page 181)
5.26.1.1 ?! — Address Query
This command queries for the WMT700 address.
When you use a question mark (?) as the address character with the
a! command, WMT700
responds as if it was being addressed on the SDI bus. Regardless of its address, WMT700
responds to the command, which allows you to determine the address for the wind sensor.
If more than one WMT700 is connected to the bus, they all respond, causing a bus contention.
?!
?
Wildcard
!
Terminates the command
The response:
WMT700 User Guide
M211095EN-H
154

a
a
Single-digit WMT700 address that corresponds to the first character of the address value

Terminates the response a — Acknowledge Active
This command ensures that WMT700 is responding to a data recorder or another SDI-12
device. It asks WMT700 to acknowledge its presence on the SDI bus.
a!
a
Single-digit WMT700 address that corresponds to the first character of the address value
!
Terminates the command
The response:
a
a
Single-digit WMT700 address that corresponds to the first character of the address value

Terminates the response
1!1
5.26.1.3 aAb! — Change Address
This command changes the WMT700 address. After WMT700 has received this command and sent a response, the sensor does not respond to any other command for one second.
This gives WMT700 time to write the new address to the nonvolatile memory.
You can also change the WMT700 address by entering configuration mode and changing the address parameter.
Chapter 5 – Operation
155

aAb!
a
Current single-digit WMT700 address that corresponds to the first character of the address value
A
Change address command b
New address
!
Terminates the command
The response:
b
b
New single-digit WMT700 address (or the original address if WMT700 is unable to change the address)

Terminates the response aC! — Start Concurrent Measurement
This command starts concurrent measurement. WMT700 does not return measurement data after this command. It sends a response that indicates when the measurement result can be retrieved using the
aD0! command and the number of parameters.
aC!
a
Single-digit WMT700 address that corresponds to the first character of the address value
C
Start concurrent measurement command
!
Terminates the command.
The response:
atttnn
a
Single-digit WMT700 address that corresponds to the first character of the address value
WMT700 User Guide
M211095EN-H
156

ttt
Period of time, in seconds, after which WMT700 has the measurement ready nn
Number of measurement values WMT700 calculates and returns as a response to one or more subsequent
aD0! commands

Terminates the response.
1C! 100205
Interpretation of the example message:
• Time after which the measurement is ready 2 seconds
• Number of returned measurement values To fetch the measurement results, use the


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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