iET PRS-330 series, Operation Manual, Page: 56 / 67

PRS-330 Series
PRS-DMM SOFTWARE 44
9.1.5 Connections of PRS and .DMM
Connect the 3458A or 8508A DMM to the PC via
GPIB. Connect the PRS-330 to the PC via GPIB
or USB. Make sure the addresses are different
on DMM and PRS-330.
9.2 PRS-DMM Main Screen
The main screen of the PRS-DMM software is
shown below.
Figure 9.1 PRS-DMM Main Screen
There are 4 keys; Main, Settings, About Us and
Exit.
9.2.1 PRS-DMM Main Screen Operation
The main screen of the PRS-DMM allows the
user to select Resistance or RTD tables, and it
also allows to be entered the target resistance
value or temperature.
Assuming that the PRS-330 is connected to the
PC and turned on, any value entered as a target
value will automatically switch the PRS-330 to
that resistance or resistance equivalent to the
entered temperature value.
Clicking on the Calibrate key starts the process
of of adjusting. The DMM Measures and adjusts
the PRS-330 to achieve the closest value possible
to the entered target value. The accuracy depends
upon the MEASUREMENT SPEED . See
section 9.3.5.
9.3 PRS-DMM Settings
9.3.1 PRS-DMM Settings Screen
The Settings screen is shown in Figure 9.2. This
menu should be con
fi gured fi rst to set address of
the PRS-330 and DMM.
This menu also allows for adjustment of the PRS-
330 which automates the adjustment process of
the PRS-330 as described in section 8.4.1.
Figure 9.2 PRS-DMM Settings Screen
9.3.2 PRS Settings
PRS Setting screen allows the operator to select
the COM port or GPIB address of the PRS-330.
Make sure the PRS-330 and DMM are turned on
and connected to the PC.
If the address or COM port of the PRS-330 or
DMM is not shown in the I/O box then click on
refresh. Select the GPIB address or COM port
and then click the Initialize key. The IDN string