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Electrical Safety Analyzer
Selecting the Test Load
A A Warning
To avoid the possibility of electric shock, the
FUNCTION-SELECTION KNOB should be set
to the OFF position whenever connecting or
disconnecting a DUT to the ESA601.
1.
Connect the DUT's applied parts to the universal
ECG jacks on the back panel of the ESA601.
(See Figure 3.) AHA and IEC color-coded dots
label these jacks as an aid to connecting the
corresponding U.S. and international ECG leads.
2.
Connect the power cord from the DUT to the
version-specific test receptacle on the ESA601.
Selecting the Test Load
A slide switch on the ESA601 permits the selection of
either the ANSI / AAMI ES1 or the IEC 60601-1
measurement load (American or European standards,
respectively). Select the test-load type before beginning
testing.
Selecting the Operating Mode
Local Mode is the default setting upon powering up the
ESA601. In Local Mode, functions are selected by
manually positioning the FUNCTION-SELECTION KNOB.
To change modes from Local to Remote, use a terminal-
emulation program to send the remote command
REMOTE (with no parameters) to the RS-232 serial port.
The system responds with the message "WAIT," followed
by the message "REMOTE MODE OK."
Note
When the mode is changed from Local to
Remote, the system initially sets the "active"
function to OFF. (This action turns OFF all power
to the Equipment Outlet and to applied parts, but
not power to the ESA601.)
To change modes from Remote to Local, send the remote
command LOCAL (with no parameters). The system
responds with the message "LOCAL MODE."
Performing Electrical Safety Tests
For test-principle diagrams and step-by-step testing
procedures for each of the following ESA601 electrical-
safety tests, refer to the Operator s Manual provided on
the CD-ROM (P/N 2388919).
«Mains Voltage or Mains Line
«
Protective-Earth Resistance or Ground-Wire
Resistance
« © Mains-Insulation Resistance
«
Applied-Parts-Insulation Resistance
"
Earth-Leakage Current or Ground-Wire-Leakage
Current
«
Enclosure-Leakage Current or Chassis-Leakage
Current
17
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