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12 serial interface parameters 27, 1 baud rate 27, Serial interface parameters – ThermoWorks 9103 HART SCIENTIFIC FIELD DRY-WELL TEMPERATURE CALIBRATORS User Manual

Page 31: Baud rate, 12 serial interface parameters

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The operating parameters menu contains the High Limit parameter. The High
Limit parameter adjusts the upper set-point temperature. The factory default
and maximum are set to 126 °C. For safety, a user can adjust the High Limit
parameter down so the maximum temperature set-point is restricted.

Press “SET” to enable adjustment of the High Limit parameter.

HL

Flashes “HL” and then displays the setting

H=126

Current HL setting

Adjust the HL parameter using “UP” or “DOWN”.

H=90

New High Limit setting

Press “SET” to accept the new High Limit parameter.

7.12

Serial Interface Parameters

The serial RS-232 interface parameters menu is indicated by,

SEriAL

Serial RS-232 interface parameters menu

The serial interface parameters menu contains parameters which determine the
operation of the serial interface. These controls only apply to instruments fitted
with the serial interface. The parameters in the menu are: BAUD rate, sample
period, duplex mode, and linefeed.

Press “SET” to access the serial parameters.

7.12.1

BAUD Rate

The BAUD rate is the first parameter in the menu. The BAUD rate setting de-
termines the serial communications transmission rate.

The BAUD rate parameter is indicated by,

bAUd

Flashes “bAUd” and then displays the setting

2400 b

Current BAUD rate

The BAUD rate of the serial communications may be programmed to 300 600,
1200, 2400, 4800, or 9600 BAUD. 2400 BAUD is the default setting. Use “UP”
or “DOWN” to change the BAUD rate value.

4800 b

New BAUD rate

27

7 Controller Operation

Serial Interface Parameters