DATA and SETup Commands

Data Preamble Description

Byte Position Bytes 241 through 244 contain the number of valid rows of data for pod 1 of either the expansion card in a two-card module, or a middle cardslot expansion card in a three-card module.

Bytes 245 through 248 contain the number of valid rows of data for pod 4 of the master card.

Bytes 249 through 252 contain the number of valid rows of data for pod 3 of the master card.

Bytes 253 through 256 contain the number of valid rows of data for pod 2 of the master card.

Bytes 257 through 260 contain the number of valid rows of data for pod 1 of the master card.

26188 bytes - The trigger point location for each pod, organized in the same way as the data rows (bytes 173 – 260). These rows start at 0, which represents the first sample stored for a pod. Bytes 345 through 348 contain the trigger location for pod 1.

Example

If bytes 341 and 344 contain the value 101008, the data in row 101008 for

 

that pod is the trigger. There are 101008 rows of pre-trigger data.

 

 

349234 bytes - Unused

5832 bytes - Real Time Clock (RTC) year at time of acquisition. Year value is equal to the year minus 1990.

5852 bytes - RTC month (1 = January . . . 12 = December ) at time of acquisition.

5861 byte - RTC day of the month at time of acquisition.

5871 byte - RTC day of the week at time of acquisition.

5881 byte - RTC hour (0 through 23) at time of acquisition.

5891 byte - RTC minutes at time of acquisition.

5901 byte - RTC seconds at time of acquisition.

17–10