Remote Processing RPC-150 - Manual (Page 20)

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 D ATE $ and TIM E$ com mands, the curr ent date
and time c an be set and r ead. The D S-1216E M is
accurate to 1 m inute/mon th at 25°C. Battery life is a
mi nim um of 5 ye ar s at 25 °C a nd 2 y ea rs 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. T o set the date and time:
date$="07-25-94"
time$="15:03:00"
T o r et r ie v e d a te a nd ti m e a s pa r t o f a p r o gr a m :
2000 DA$ = DATE$(0)
2010 TI$ = TIME$(0)
You can also print the d ate and time in the imm ediate
mode:
pr time$(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 com mands for the
calendar/clock.
Comm and Function
C O N F I G C L OC K Configures clock
DATE$ Sets date
DAT E$(0) Return s date
TIME$ S e ts ti m e
TIME $(0) R e tu r n s t im e