Maxim-integrated 71M6533-DB Manual de usuario descargar pdf (Pagina 11)

71M6533-DB Demo Board User’s Manual

Page: 11 of 75 ` REV 3

Step

Display in

left-most

digit(s)

Text

display

Correspon-

ding CLI

command

Displayed Parameter

Delt C

Temperature difference from calibration temperature.

Displayed in 0.1°C

Frequency at the VA_IN input [Hz]

Accumulated real energy [Wh]. The default display setting

after power-up or reset.

Accumulated exported real energy [Wh].

VARh

Accumulated reactive energy [VARh].

VARh

Accumulated exported reactive energy [VARh].

VAh

Accumulated apparent energy [VAh].

HOURS

Elapsed time

TIME

Time of day (hh.mm.ss)

DATE

M10

Date (yyyy.mm.dd)

M11

Power factor

M12

V/V phase angle [degrees]

EDGES

M13

Zero crossings of the mains voltage

PULSES

M14

Pulse counter

M15

RMS current

M16

RMS voltage

BAT V

M17

Battery voltage

Table 1-1: Selectable Display Options

1.7.4 SERIAL CONNECTION SETUP

After connecting the DB9 serial port to a PC, start the HyperTerminal application and create a session using the

following parameters:

Port Speed: 9600 bd or 300bd (see below)

Data Bits: 8

Parity: None

Stop Bits: 1

Flow Control: XON/XOFF

See section 3.1 for proper selection of the operation mode when main power is removed:

 A jumper across pins 2-3 (VBAT-GND) of JP16 indicates that no external battery is available. The IC

will stay in brownout mode when the system power is down and it will communicate at 9600bd.

 A jumper across pins 1-2 (BATMODE-VBAT) indicates that an external battery is available. The IC will

be able to transition from brownout mode to sleep and LCD modes when the system power is down

and it will communicate at 300bd.

HyperTerminal can be found by selecting Programs Accessories  Communications from the Windows



start

menu. The connection parameters are configured by selecting File  Properties and then by pressing the

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