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CALENDAR/CLOCK CHAPTER 7

Page 18 RPC-150

Figure 7-1 Calendar/clock ins tallation

DESCRIPTION

The RPC-150 has a battery backed Calendar/clock

option using the DS-1216EM. When used in conjunction

with the DATE $ and TIM E$ com mands, the curr ent date

and time can be set and r ead. The D S-1216EM is

accurate to 1 minute/month at 25°C. Battery life is a

mi nim um of 5 ye ar s at 25°C a nd 2 years wh en at 5 0°C .

INSTALLATION

The real time clock is installed in socket U3. Remove

the IC in U3. Install the DS-1216EM in U3. Install the

IC previously removed into the top of the DS-1216EM.

SETTING DATE AND TIME

The clock must be turned on before it is used. This need

be done only once. To turn on the clock, type:

CONFIG CLOCK ON

The date and time can be set while running a program or

in the immediate mode. Date and time are treated as

strings and not numbers. To set the date and time:

date$="07-25-94"

time$="15:03:00"

To retrieve date and time as part of a program:

2000 DA$ = DATE$(0)

2010 TI$ = TIME$(0)

You can also print the date and time in the immediate

mode:

pr time$(0)

15:04:03

The clock is turned on and off using the CONFIG

CLO CK statem ent.

COMMANDS

The following is a list of CAMBASIC commands for the

calendar/clock.

Command Function

CONFIG CLOCK Configures clock

DATE$ Sets date

DATE$(0) Returns date

TIME$ Sets time

TIME$(0) Returns time

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Remote-processing RPC-150 Manuale Utente Pagina 20