2-10
MST-MHT SERIES 071320
6.
Set switch S1 (Figure 2-4) to OPEN SENSE position. Verify that the unit responds as
described in 3.7b.
7.
Set switch S1 (Figure 2-4) to CLOSE SENSE position. Set power switch to OFF, then ON,
to reset the unit. Then power cycle the MST 488-27HT controller.
8.
Send the following command from the host computer:
VOLT:PROT 10
Set switch S1 (Figure 2-4) to OPEN SENSE position; verify OUTPUT ENABLED indicator
on front panel goes off and unit responds as described in PAR. 3.8.1.
9.
Verify that DVM connected across terminals O1+ and O2– of DC Output connector reads
0V.
10. Reset the unit per PAR. 3.7.1.
11. Issue the following commands from the host computer:
OUTP:OFF
FUNC:MODE CURR
CURR 5,:VOLT 36
12. Verify that CURRENT MODE indicator on front panel is on and AMPS meter on front panel
indicates I
MAX
(e.g. 5A for MST 36-5MHT).
13. Issue command from the host computer to read back current:
MEAS:CURR?
Verify that read back current is I
MAX
(e.g. 5A for MST 36-5MHT).
2.8
POWER MODULE TO LOAD INTERFACE
The general function of a voltage or current stabilized Power Module is to deliver rated output to
the load. The load may be fixed or variable; resistive, capacitive, or inductive; and may be
located close to or far away from the Power Module. The Power Module is designed for varied
applications. The aim of the following paragraphs is to instruct the user in the interface of the
Power Module to the load.
The perfect interface between a Power Module and load insures optimum performance. To
approach this state of operation, one must be familiar with certain requirements, such as inter-
connection guidelines, Ohm's Law and a-c theory.
Load Wire Selection - A stabilized d-c Power Module is not an ideal voltage or current source
with zero output impedance (voltage mode) or infinite output impedance (current mode): All volt-
age sources have some amount of impedance which increases with frequency and all current
sources have impedance which decreases with frequency (see Figure 2-5).
Summary of Contents for MST 100-2MHT
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