V
OLTECH
AC
I
NTERFACE
U
SER
M
ANUAL
98-072
ISS
7
PAGE
35
3.7. I
NTEGRATION OF
AC
I
NTERFACE TESTS WITH
ILK,
SURG,
MAGI,
STRW,
WATT,
VOC
T
ESTS
This applies when writing test programs combining the AC Interface “X” tests with any of the following
standard “on board” AT3600 or AT5600 tests; ILK, SURG, MAGI, STRW, WATT, VOC Tests
These tests must not be used on any winding on a component to which the AC Interface is attached.
Before performing any SURG, MAGI, STRW, WATT, VOC tests, the AC Interface must be isolated from the
windings under test with a 2-pole safety isolation relay, controlled by the User Port.
The relays should be selected with suitable isolation to safely isolate the AC INTERFACE from any voltages
you wish to apply using these tests.
This is to prevent voltages induced across the winding being transferred to the AC Interface
If these tests are required, then additional relays can be added to the test fixtures that switch out the AC IF
connections so that they are isolated. These can then be controlled by the User Port (and OUT test) on the
AT before and after the application of the above tests
See the OUT test in the AT series user manual for details on how to control relays for mid-test switching.
The following illustrates this setup
