Omron NT21 Series, Reference Manual

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3-10 Section Display and Setting of Calendar Clock
345
3-10 Display and Setting of Calendar Clock
The PT provides a function for displaying and setting the date and time. This sec-
tion describes the procedure for using the clock function.
Numeral Memory Table Used by The Clock Function
Numeral memory tables No. 247 to No. 255 are reserved for the display and set-
ting of the clock function.
Memory tables No. 247 to No. 253 are for display and reading, and No. 254 and
No. 255 are for setting.
Memory tables No. 247 to No. 253 store the clock data which is updated accord-
ing to the operation of the clock built into the PT. The data in these memory tables
cannot be changed from the host.
Func-
tion
Numeral
memory
table
Digit
position
Informa-
tion
Value Remarks
Dis-
play/ 247 Second 00 to 59
play/
read-
248 Minute 00 to 59
read
ing
only
249 Hour 00 to 23 24-hour system
only
250 Date 01 to 31
251 Month 01 to 12
252 Year 00 to 99 Last 2 digits of the year
253
Day of
week
00 to 06 See below.
Setting
only 254
Second 00 to 59
only
Date
Hour
Minute
Second
Minute 00 to 59
Hour
Second
Hour 00 to 23 24-hour system
Date 01 to 31
255
Month 01 to 12
Vacant
Day of
Year
Month
Year 00 to 99 Last 2 digits of the year
Day of
week
Month
Day of
week
00 to 06
Vacant 00
The correspondence between the value and day of week is shown below.
Day of week Sun Mon Tue Wed Thu Fri Sat
Value 00 01 02 03 04 05 06
Example of setting: March 27th, ’98 (Fri.), 14 H 53 M 30 S
254
255
0 2 7 1 4 5 3 3
0 0 0 5 9 8 0 3
Reference: The numeral memory tables No. 247 to No. 255, reserved for the clock function,
cannot be allocated to a word in the host.
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