Configuration
3.22 Real Time Clock Set Up Group
Introduction
This group configures the Real Time Clock option.
ATTENTION
The Real Time Clock will not automatically adjust for Daylight Savings Time; it must be done manually.
The Real Time Clock will automatically adjust for Leap Years to make February 29 days long.
Function Prompts
Function Prompt
Lower Display
HOURS
MINUTES
SECONDS
YEAR
MONTH
DAY
SET CLK?
ADJUST
162
Table 3-22 CLOCK Group Function Prompts
Selections or
Range of Setting
Upper Display
0 to 23
0 to 59
0 to 59
2005 to 2099
JANUARY to DECEMBR
1 to 31
NO
YES
-31 to +31
UDC3500 Universal Digital Controller Product Manual
Parameter
Definition
HOURS
MINUTES
SECONDS
YEAR
MONTH
DAY
CHANGE CLOCK SETTING?—Change the clock
setting?
NO—Leave the clock values as they are.
YES—Change the values. Pressing the
Func
Loop 1/2
key sets the clock. Pressing any other
key will not set the clock. "YES" will also clear a
CLOCKERR diagnostic message.
ADJUST—The clock speed can be adjusted via this
parameter. A setting of zero represents no
adjustment.
Each positive increment represents a clock change
of +10.7 seconds per month. Each negative
increment represents a clock change of –5.35
seconds per month. These values correspond to a
total adjustment range of between +5.5 and –2.75
minutes per month.
10/05