Combination Of Data Formats - YOKOGAWA WT3001E User Manual

2.4

Combination of Data Formats

Circuit idle state
IM WT3001E-17EN
The RS-232 interface of this instrument performs communications using start-stop
synchronization. In start-stop synchronization, characters are transmitted one at a time.
Each character consists of a start bit, data bits, a parity bit, and a stop bit (see the
following figure).
Start bit
1 character
Data bit
(7 or 8 bits)
Parity bit
Even, odd or none
Level returns to idle
state (dotted line)
until the start bit of
the next item of data
(solid line).
Stop bit
1
1 or 2 bits
2
2-5
1
2
3
4
5
6
7
App
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