ES51932
22,000 Counts Auto DMM
inactive. Hence the start bit (0) could be used as the triggering signal to begin the
reading process. The following figure shows the data format of a single packet. The
LSB is sent first and the MSB is sent last.
single package
0V
p
P 1
D0 ~D6
0
-3V
LSB
MSB
One data block consists of 14 packets, or 140 bits. The following figure shows the
format of a data block. The range packet indicates the full scale range of the meter.
Digit4 through digit0 are just the digits on the LCD panel. The function packet
indicates the measurement mode of the meter. Status, option1~4 give the status of the
meter. CR and LF are delimiters used to separate the blocks.
all packets
The meter always outputs the current input value to the serial port in spite of HOLD
mode. The detailed data format of each packet is listed at next page.
Ver. 1.2
21
10/05/27
CYRUSTEK [ Cyrustek corporation ]
