Vaisala PTB220 - Manual (Page 100)

U SER ' S G UIDE _______________________________________________________________________
94 ___________________________________________________________________ M210194 EN -A
>addr 7
(select address of the barometer)
Address : 7
>smode poll
(select the POLL mode)
Serial mode : POLL
>reset
(resetting will activate the new settings)
(no title will appear after reset in POLL mode)
send 7
(text invisible)
1013.25 hPa
The next picture (below) shows typical RS485/422 differential input
signals RS485/422 LO (upper signal) and RS485/422 HI (lower
signal) at baud rate 9600. The vertical scale is 2V/div for both signals.
The ground level for each signal is shown with a small arrow at the
right. At the left, the signals are at rest.
The next picture (below) shows typical RS485/422 differential output
signals RS485/422 LO (upper signal) and RS485/422 HI (lower
signal) at baud rate 9600. The vertical scale is 2V/div for both signals.
The ground level for each signal is shown with a small arrow at the
right. At the left, the signals are at rest.