User Guide M211095en-h



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‣ Upgrading from WS425 to WMT700 (page 88)
4.9.1 Cables
Ready-made cables are available for use with Vaisala MAWS and AWS520 systems. These cables have connectors on both ends. There is also a retrofit cable for Vaisala ROSA system in case analog output has been used with WS425.
Vaisala provides open-lead cables for connections to other host systems:
• Cable 2 m (227567SP)
• Cable 10 m (227568SP)
• RS485 Cable 2 m (228259SP)
• RS485 Cable 10 m (228260SP)
• ROSA Cable 10 m for Analog Outputs (231425SP)
• Junction Box with Cable 2 m (ASM210719SP)
Cable 2 m and Cable 10 m carry through all signals from WMT700 while the RS cables are designed for RS operation with a limited number of wires. The ROSA Cable is intended for replacing WS425 with WMT700 in the Vaisala ROSA system if WS425 is connected using analog outputs. The Junction Box is designed mainly for maritime RS-422
operation but it can be used whenever a connection longer than 10 meters is needed as an entry point for an extension cable.
WMT700 User Guide
M211095EN-H
72

Wire colors in the tables are not applicable to other cables.
If there are unused wires, make sure that they are unconnected and protected. Do not cutoff any wires Cable 2 m, Cable 10 m, Cable 15 m, and Cable 26 m
The following table shows how to connect:
• Cable 2 m (227567SP)
• Cable 10 m (227568SP)
• Cable 15 m (237890SP)
• Cable 26 m (237889SP)
Table 24 Connecting Cable 2 m, Cable 10 m, Cable 15 m, and Cable 26 m


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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