GE PACSystems RX7i - Page 304

Chapter 6. Service Request Function
GFK-2950C February 2018 289
Unpacked BCD (2-Digit Year)
In Unpacked BCD format, each digit of the time and date items occupies the low-order four bits of a
byte. The upper four bits of each byte are always zero. This format requires nine words. Values are
hexadecimal.
Parameter Block Format
Address
Example
(Thurs., Dec. 8, 2002, at 9:34:57 a.m.)
1 = change or 0 = read
Address
0h
2 (Unpacked BCD format)
Address+1
2h
High Byte
Low Byte
High Byte
Low Byte
year
Address+2
00h
02h
month
Address+3
01h
02h
day of month
Address+4
02h
08h
hours
Address+5
00h
09h
minutes
Address+6
03h
04h
seconds
Address+7
05h
07h
day of week
Address+8
00h
05h
Unpacked BCD (4-Digit Year)
In Unpacked BCD format, each digit of the time and date items occupies the low-order four bits of a
byte. The upper four bits of each byte are always zero. This format requires nine words. Values are
hexadecimal.
Parameter Block Format
Address
Example
(Thurs., Dec. 8, 2002, at 9:34:57 a.m.)
1 = change or 0 = read
Address
0h
82h (Unpacked 4-digit BCD format)
Address+1
82h
High Byte
Low Byte
High Byte
Low Byte
year
Address+2
00h
02h
month
Address+3
01h
02h
day of month
Address+4
00h
08h
hours
Address+5
00h
09h
minutes
Address+6
03h
04h
seconds
Address+7
05h
07h
day of week
Address+8
00h
05h