GE PACSystems RX7i - Page 302

Chapter 6. Service Request Function
GFK-2950C February 2018 287
In any format:
▪ Hours are stored in 24-hour format.
▪ Day of the week is a numeric value ranging from 1 (Sunday) to 7 (Saturday).
Value
Day of the Week
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
BCD, 2-Digit Year
In BCD format, each time and date item occupies one byte, so the parameter block has six words.
The last byte of the sixth word is not used. When setting the date and time, this byte is ignored;
when reading date and time, the function returns a null character (00).
Parameter Block Format
Address
Example
(Sun., July 3, 2005, at 2:45:30 p.m.
= 14:45:30 in 24-hour format)
1 = change or 0 = read
Address
0 (read)
1 (BCD format)
Address+1
1 (BCD format)
High Byte
Low Byte
Address
High Byte
Low Byte
month
year
Address+2
07 (July)
05 (year)
hours
day of month
Address+3
14 (hours)
03 (day)
seconds
minutes
Address+4
30 (seconds)
45 (minutes)
(null)
day of week
Address+5
00
01 (Sunday)
BCD, 4-Digit Year
In this format, all bytes are used.
Parameter Block Format
Address
Example
(Sun., July 3, 2005, at 2:45:30 p.m.
= 14:45:30 in 24-hour format)
1 = change or 0 = read
Address
00 (read)
81h (BCD format, 4-digit)
Address+1
81h (BCD format, 4-digit)
High Byte
Low Byte
Address
High Byte
Low Byte
year
year
Address+2
20 (year)
05 (year)
day of month
month
Address+3
03 (day)
07 (July)
minutes
hours
Address+4
45 (minutes)
14 (hours)
day of week
seconds
Address+5
01 (Sunday)
30 (seconds)