Rockwell Automation 1757-FFLD Linking Device Configuration Manual - Manual (Page 133)

Publication 1757-PM002A-EN-E - June 2006
RSFieldbus Time Stamping Setup D-3
Example:
• Eastern Time (US and Canada) during daylight savings, which is
GMT -4 hours, 460800000=(4 * 60 * 60 * 1000 * 32)
StartDayTime and EndDayTime define when daylight savings begins
and ends. These parameters follow the mechanism that Windows uses
to specify a time zone. The field is a 4 -byte structure. The first byte is
the month, 2nd byte is the day of the week, 3rd is a special byte that is
used to indicate on which week of the month daylight savings time
occurs, and the 4th byte is the hour that daylight savings time goes into
effect. For all the time zones defined in Windows that use daylight
savings time, only the values 01 meaning first week of the month and 05
meaning last week of the month are used for byte 3.
Example:
• Eastern daylight savings time goes into effect the first weekend of
April at 2AM on Sunday and ends on the last weekend in October at
2AM Sunday.
StartDayTime is 0x04000102 = 04 (April) 00 (Sunday) 01 (1st weekend) 02
(2AM)
67109122 decimal = hexadecimal notation 0x04000102 is used;
StartDayTime = 67109122
EndDayTime is 0x0a000502 = 10 (October) 00 (Sunday) 05 (last weekend) 02
(2AM)
167773442 decimal = hexadecimal notation 0x0a000502 is used;
EndDayTime =167773442.
2.Once the IDShellHSE.ini file has been edited the following actions
must be completed for the coordinated time to be used by the linking
device.
a. Stop the RSFieldbus services; RS HSE OLE Server and RS DD
Server.
i. Open RSServerManager
ii. Click Disconnect.
b. In Windows Explorer, navigate to C:\Program Files\Rockwell
Software\RSFieldbus\OleServers and delete the IDShellHSE.bin
file. This file will be rebuilt once the services are started and
RSFieldbus begins on line monitoring.
c. Start the RSFieldbus services; RS HSE OLE Server and RS DD
Server.
i. Open RSServerManager.
ii. Click Connect.