the Clock Display object and double-click the Clock Display object. The Edit Clock Display Object
dialog box appears.
2. In the
Time Source
frame, select
HMI
or
PLC
as the source of the clock information. If HMI is
selected, the frame to the right will change to Write to… This field is used to select a PLC address that
will be used to write the current time and date. If PLC is selected, the frame to the right will change to
Read from… This field is used to select a PLC address that the HMI uses to read the current time and
date. Whether reading from or writing to a PLC register, the HMI requires seven consecutive 16-bit
registers for the clock data. Using the PLC address in the example above, the registers would be as
follows:
PLC Register Clock Data
Range
(binary
format)
Example
4x1
Year
00-99
2004 = 04
4x2
Day of Week
1-7
Monday =1, Sunday =7
4x3
Month
1-12
January =1, December =12
4x4
Date (Day of Month)
1-31
4x5
Hour (24hr format)
0-23
1= 1am, 12= noon, 18=6pm
4x6
Minute
0-59
4x7
Second
0-59
1010-0300, Rev 02
90
Blue Series Installation & Operation Manual
