Anritsu Site Master S331D Manual de usuario descargar pdf (Pagina 39)

288) Reference Level Offset

(highest byte)

289) Reference Level Offset

290) Reference Level Offset

291) Reference Level Offset (lowest byte)

292-321) Not Used

322-1921) Sweep Data

(400 points * 4 bytes/point = 1600 bytes)

4 bytes for each data point

1. dBm

(highest byte)

2. dBm

3. dBm

4. dBm (lowest byte)

Site Master Returns: 1 byte

1) 255 (FFh) Operation Complete Byte

224 (E0h) Parameter Error: Not enough bytes transferred

225 (E1h) Memory Error: Not enough memory to store data

238 (EEh) Time-out Error

Query Sweep Memory – Control Byte #27 (1Bh)

Description: Queries Site Master for percentage of memory that is available for trace storage.

Bytes to Follow: 0 bytes

Site Master Returns: 1 byte

1) % of memory currently available (0 to 100)

Upload Site Master VNA Sweep Trace – Control Byte #28 (1Ch)

NOTE: This command exists for backward compatibility with the S33xC models. Features new to the

S33xD models are not available here. To access the new features use Control Byte #36 (24h).

Description: Uploads a Site Master VNA Mode (SWR, return loss, cable loss, DTF) sweep trace to the Site Master.

Bytes to Follow: 1255, 2287, or 4351 bytes (depending on resolution)

1-2) # of following bytes

3) Measurement Mode

4-7) Time/Date (in Long Integer)

8-17) Date in String Format (mm/dd/yyyy)

18-25) Time in String Format (hh:mm:ss)

26-41) Reference number stamp (16 ASCII bytes)

42-43) # of data points

44) Start Frequency (highest byte)

45) Start Frequency

46) Start Frequency

47) Start Frequency (lowest byte)

Site Master PM 33

68 Value sent as (Value in dBm * 1000 ) + 270,000

69 Value sent as (Value in dBm * 1000 ) + 270,000

70 See Control Byte #3 “Set Measurement Mode” for available measurement modes.

71 Frequency in Hz

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 131 132

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Anritsu Site Master S331D Manual de usuario Pagina 39

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