Time; Table 6-6 Time Parameters - Honeywell HC900 User Manual

Parameters accessible with Function Code 03, 06,10h

Time

Example
Query: Read Variables 1 and 2 from HC900 at address 1 using Function Code 3 (hex codes).
TCP:
00 03
RTU:
01 03
Response: from HC900 where Variable 1 = 100.0 and Variable 2 = 55.32
TCP:
00 03
RTU:
01 03
6.7 Time
The addresses given in Table 6-6 do not necessarily apply to time parameters in the custom map. For
custom addresses view or print a report in HC Designer.
In HC Designer's custom map these parameters are grouped under the Item Filter "System Parameters."
You must add them all to the custom map in order to write to them. See Attention below.
Fixed Fixed
Address Register
(hex) (decimal)
1DF0 7665
1DF1 7666
1DF2 7667
1DF3 7668
1DF4 7669
1DF5 7670
1DF6 7671
ATTENTION
Time registers must all be written in a single transaction. Writing to Week Day is optional.
56
18 C0 00
18 C0 00
08 42 C8 00
08 42 C8 00

Table 6-6 Time parameters

Parameter
Hours
Minutes
Seconds
Month
Day
Year
Week Day
HC900 Process Controller Communications User Guide
04
04 CRC CRC
00 42 5D
00 42 5D
Access Notes
R/W 0 to 23
R/W 0 to 60
R/W 0 to 60
R/W 1 to 12
R/W 1 to 31
R/W 1970 to 2037
The values read are always in the range
of 1970 to 2037 for a write. 0 – 37
represents 2000 – 2037, 70 – 99
represents 1970 – 1999
R 0 to 6 (0 = Sunday)
47 AE
47 AE CRC CRC
Revision 13
April 2017