Massa M3 Manual de usuario descargar pdf (Pagina 27)

MASSA PRODUCTS CORPORATION June 11, 2013

Product Manual 26 M3 Wireless Ultrasonic Level Sensor

Example of Auto Send messages saved to an Excel file

13.11 AutoSend Monitor Menu

This menu will allow you to record

Command 1 messages sent by the sensor

when the sensor is programmed with a non-

zero Deep Sleep Timer value and the

Outgoing Message Mode register is 1, 2 or 3.

The data will be saved as an Excel file with a

“csv” extension. As you can see in the

example below, the first column is the date

and time stamp when the message was

received, the 2

column is the MAC address

of the sensor, the 3

column is the Event # of

the data captured, the 4

and 5

columns are

the Status bytes, the 6

column is the capture

range to target in inches, the 7

column is the

temperature in degrees Centigrade, and the

column is the sensor’s battery voltage.

A Command 1 message will only send a

maximum of 8 events of the most recent

captured events. Range reported as 510” or

greater is an indicator for a cleared record as

defined in section 8.2.1.2 where the

RangeMSB byte will be 255. In the example

below, the real record starts at Event #1 and

not at Event #869 due to the range being

510”.

To activate saving Autosend messages to a

file, click on the “Enable Data Receiver and

Save Data to File” box. You may select “Save Most Recent Record Only” to save the last record from the message or “Save All

Data” to save all 8 records from the message.

To gain control of sensors after say a weekend test, use the Deep Sleep Control options to clear the Deep Sleep timer when the

sensors wake up after a specified time period (Edit Date and Time box). This will keep the sensor awake allowing access of other

sensor features such as obtaining an ultrasonic waveform. This feature is useful when the sensors are being evaluated at a difficult

location to access.

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