GE PACSystems RX7i Cpu Programmer's Reference Manual page 307

Chapter 6. Service Request Function
Packed ASCII, 4-Digit Year
ASCII format for a 4-digit year requires 13 words in the parameter block. Values are hexadecimal.
Parameter Block Format
1 = change or 0 = read
83 (ASCII format)
High Byte Low Byte
year (hundreds) year (thousands)
year (ones) year (tens)
month (tens) (space)
(space) month (ones)
day of month (ones) day of month (tens)
hours (tens) (space)
: (colon) hours (ones)
minutes (ones) minutes (tens)
seconds (tens) : (colon)
(space) seconds (ones)
day of week (ones) day of week (tens)
292 PACSystems* RX7i, RX3i and RSTi-EP CPU Programmer's Reference Manual
Address Example
(Mon., Oct. 5, 2005, at 11:13:25 p.m. = 23:13:25
in 24-hour format)
Address 0h (read)
Address+1 83h (ASCII format, 4-digit)
High Byte
Address+2 30h (0)
Address+3 35h (5)
Address+4 31h (1)
Address+5 20h (space)
Address+6 35h (5)
Address+7 32h (2)
Address+8 3Ah (:)
Address+9 33h (3)
Address+10 32h (2)
Address+11 20 (space)
Address+12 32h (2 = Mon.)
Low Byte
32h (2)
30h (0)
20h (space)
30h (0)
30h (leading 0)
20h (space)
33h (3)
31h (1)
3Ah (A)
35 (5)
30h (leading 0)
GFK-2950C