Serial port communication, Setting up serial communication via hyperterminal – VICI 150 Dynacalibrator User Manual
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Serial Port Communication
The Dynacalibrator Model 150 can be monitored and controlled remotely by
means of a serial port connection and a terminal emulation program such
as HyperTerminal.
®
The unit is controlled by entering two-character commands, shown in the
table below. Commands may be either upper case or lower case. Param-
eters enclosed in brackets ([ ]) are optional. Note that for enable/disable
commands, the states indicated by an “*” are the defaults at power-up. Only
the altered set point temperature and function coefficients are retained
when power is off and restored at power-up.
Command
Meaning
DC[ [=] n ] Show/set decimation count
(Data logging rate, in seconds)
L+
Start data logging
(Log data at the interval set by the decimation count:
DC=1 sets a one second interval)
L-
Stop data logging*
P+
Enable front panel control*
P-
Disable front panel control
(Prevent set point from being changed with panel controls)
SC
Show coeffecients
TE
Read environment temperature
TR
Read controlled temperature
TS[ [=] n ]
Show/set temperature setpoint
VR
Show firmware version
??
Display the list of available commands
* Factory defaults, reset at start-up
Setting Up Serial Communication via HyperTerminal
®
1. To open HyperTerminal in Windows
®
, click Start > Programs > Accessories >
Communications > HyperTerminal. The following screen will appear: