Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx - Manual (Page 198)

7–52
Publication 1336 FORCE–5.13 –– September, 1998
If an error occurs in the BTW, a value of -29952 is returned in word
2 of the BTR response.
Example
In this example, a reference time stamp data read was requested
through the BTW. Word 2 of the BTW defines this request with a
decimal value of 2816 for the PLC command code. The BTR
response indicates a successful request with a returned value of 2816
in BTR word 2. Words 4 through 7 then return the clock data. The
clock data indicates a time stamp of February 1995, the fifth day of
the week (Thursday), and a date of 23 (17 in ASCII). The hour,
minutes, and seconds change according to the time.
1 0
N10:10
2 3 4 5 6 7 8 9
N10:90
BTW
Data File
BTR
Data File
Data Format
0
0 7681
3
0
2816
2816 3594 5893 1282
N10:90 0E\01 0E\0A 17\05 05\02
S\.1S Hr\Min Date\Day Yr\Mth
ASCII Display Values
Reference Time Stamp Data
Read
(continued)