beautypg.com

2 sample period 31, 3 duplex mode 31, 4 linefeed 31 – ThermoWorks 9141 HART SCIENTIFIC FIELD DRY-WELL TEMPERATURE CALIBRATORS User Manual

Page 34: Sample period, Duplex mode, Linefeed

background image

Press “SET” to set the baud rate to the new value or “EXIT” to abort the opera-
tion and skip to the next parameter in the menu.

7.11.2

Sample Period

The sample period is the next parameter in the serial interface parameter menu.
The sample period is the time period in seconds between temperature measure-
ments transmitted from the serial interface. If the sample rate is set to 5, the in-
strument transmits the current measurement over the serial interface
approximately every five seconds. The automatic sampling is disabled with a
sample period of 0. The sample period is indicated by,

SPer

Serial sample period parameter

Press “SET” to choose to set the sample period. The current sample period
value will be displayed. Press “EXIT” to exit without saving the changes.

SP= 1

Current sample period (seconds)

Adjust the value with “UP” or “DOWN” and then use “SET” to set the sample
rate to the displayed value.

SP= 60

New sample period

7.11.3

Duplex Mode

The next parameter is the duplex mode. The duplex mode may be set to full du-
plex or half duplex. With full duplex any commands received by the calibrator
via the serial interface are immediately echoed or transmitted back to the device
of origin. With half duplex the commands are executed but not echoed. The du-
plex mode parameter is indicated by,

dUPL

Serial duplex mode parameter

Press “SET” to access the mode setting.

d=FULL

Current duplex mode setting

The mode may be changed using “UP” or “DOWN” and pressing “SET”.

d=HALF

New duplex mode setting

7.11.4

Linefeed

The final parameter in the serial interface menu is the linefeed mode. This pa-
rameter enables (on) or disables (off) transmission of a linefeed character (LF,

31

7 Controller Operation

Serial Interface Parameters