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71M6533- DB Demo Board User’s Manual
Commands for Controlling the RMS Values Shown on the LCD Display:
MR
METER RMS DISPLAY
CONTROL (LCD)
Comment
Description:
Usage:
Allows user to select meter RMS display for voltage or current.
MR [option]. [option]
Command
combinations:
Example:
MR1. [phase]
MR2. [phase]
MR1.3
Displays instantaneous RMS current
Displays instantaneous RMS voltage
Displays phase C RMS current.
Phase 4 is the measured neutral current.
No error message is issued when an invalid parameter is entered, e.g. MR1.8.
Commands for Controlling the MPU Power Save Mode:
PS
Description:
Usage:
POWER SAVE MODE
Enters power save mode
PS
Comment
Disables CE, ADC, CKOUT, ECK, RTM, SSI, TMUX VREF,
and serial port, sets MPU clock to 38.4KHz.
Return to normal mode is achieved by resetting the MPU (Z command).
Commands for Controlling the RTC:
RT
REAL TIME CLOCK
CONTROL
Comment
Description:
Usage:
Allows the user to read and set the real time clock.
RT [option] [value] … [value]
Command
combinations:
Example:
RTDy.m.d.w: Day of week
RTR
RTTh.m.s
RTAs.t
RTD05.03.17.5
RTA1.+1234
(year, month, day, weekday [1 = Sunday]). If the weekday is
omitted it is set automatically.
Read Real Time Clock.
Time of day: (hr, min, sec).
Real Time Adjust: (start, trim). Allows trimming of the RTC.
If s > 0, the speed of the clock will be adjusted by ‘t’ parts per
billion (PPB). If the CE is on, the value entered with 't' will be
changing with temperature, based on Y_CAL, Y_CALC and
Y_CALC2.
Programs the RTC to Thursday, 3/17/2005
Speeds up the RTC by 1234 PPB.
The “Military Time Format” is used for the RTC, i.e. 15:00 is 3:00 PM.
Page: 18 of 75
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