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3-2
3.3:
Type
F3
Time
Stamp
Q
Length: 4 Registers (8 bytes)
Q
Each register contains two bytes. Each byte contains a binary number representing up to two digits
in a part of date and time. The units for each byte are century, year, month, date, hour, minute,
second and 10 millisecond. Hour is in 24-hour form, 00H = 0 = 12 AM, 01H = 1 = 1 AM, …, 0BH
= 11 = 11 AM, 0CH = 12 = 12 PM, 0DH = 13 = 1 PM, …, 17H = 23 = 11 PM.
Example:
Registers 00081 – 00084, On Time, might contain the following data:
Address
Value
Bytes
ASCII
Register
String
30H 30H
‘0’ ‘0’
31H 34H
‘1’ ‘4’
“00” “14”
3030H 3134H
0007400073
“0014”
Address
Value
Bytes
Decimal
Unit
Date June 25, 2004 9:19:48.86 AM
Century
20
14H
Year
04
04H 06H
6
Month Date
25
19H 09H
9
Hour Minute
19
13H 30H
48
Second
56H
86
10 Millisecond
00081
1404H
00082
0619H
00083
0913H
00084
3056H