
Chapter 6. Serial Communications
88
DigitalFlow™ DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual (2-Channel)
6.3 Checking the DF868 Baud Rate
For successful serial communications, the DF868 and the personal computer must be set up to send/receive data at
the same speed. To check the
baud rate
setting of the DF868, proceed as follows:
Access the
User Program
, by pressing the
[PROG]
key on the keypad. The standard measurement mode screen is
replaced by the following initial programming mode screen:
The available rates are 300, 600, 1200, 2400, 4800, 9600 and 19200 baud. After verifying or changing the baud rate
setting, press the
[EXIT]
key three times to return to standard measurement mode.
Note:
Refer to Chapter 1,
Programming Site Data
, for a detailed description of using the
COMM
submenu.
6.4 Setting Up the Terminal Software
To communicate with personal computers running under either the Windows 3.X or Windows 9X/NT operating
systems, please refer to “Terminal Communications Software” in the brochure
EIA-RS Serial Communications
(916-
054).
Note:
For computers operating under other operating systems, contact the factory for assistance or consult the
operating system manual supplied with the computer.
PROGRAM Start
‰
Press the
[F3]
key to select the
GLOBL
menu.
PROGRAM
previous selection appears
here
CH1
CH2
GLOB
L
SAVE
PROGRAM Start
‰
Press the
[F4]
key to select the
COMM
submenu.
Global PROGRAM
previous selection appears
here
CLOCK
SYSTM
I/O
COMM
Global COMM PROGRAM
‰
To change the baud rate, press the [
key until the desired baud rate appears
on the option bar, and then press the appropriate
[Fx]
function key.
Global PROGRAM
Comm port
BAUD RATE
current setting appears here
4800
9600
19200
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