Vaisala WINDCAP WS425 Uživatelská příručka stáhnout pdf (Strana 125)

Chapter 5 _________________________________________________________________ Operation

Status Flags

Table 39 below lists the status flags included in the data message

when the status code item \er has been added to the message.

Each bit corresponds to a specific status.

Status flags are coded in decimal number format. To extract each

bit from the status code, the decimal number must be converted to

binary format.

Table 39 Status Flags

Bit

Description

Temperature sensor 1 failure

Temperature sensor 2 failure

Temperature sensor 3 failure

Heater failure. Incorrect heater element resistance

Too high (Vh > 40 V or Vi > 40 V) supply voltage

Too low (Vh < 20 V or Vi < 10 V) supply voltage

Wind speed exceeds operating limits

Sonic temperature exceeds operating limits

Wind measurement fails over 80% of the averaging time.

Reported wind is still correct

Not used

Blocked sensor. Reported wind is still correct

Example:

The message contains status flag value 130:

130 in decimal format is 128 + 2  00010000010 Binary

| |_________ 2

|_______________ 128

000 1000 0010

| | | |_________Sonic temperature exceeds operating limit

| | |___________Wind measurement OK

| |____________Not used

|_____________No sensors blocked

VAISALA _______________________________________________________________________ 123

1 2 ... 120 121 122 123 124 125 126 127 128 129 130 ... 220 221

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Vaisala WINDCAP WS425 Uživatelská příručka Strana 125