OMICRON
9
Safety instructions
1.5.1
Discharging after tests on objects with a high inductance
After a winding resistance measurement, the
CPC
monitors the reduction of the current and voltage
levels to zero. During this discharge process, the red status light flashes.
In the
Demag
test card, the discharging process is displayed as a status message. In the other tests, a
discharge dialog is displayed.
Note:
When you disconnect a cable during the discharge process, even low voltage presents
considerable danger as it suddenly increases to a very high level when the circuit is disconnected.
► Do not touch or disconnect any part of the test setup until the current and voltage levels have reduced
to zero.
► If the measurement is interrupted due to, for example, an unexpected loss of supply voltage or
erroneous behavior of the
CPC
do not touch the test setup until the energy has dissipated over time.
Note that the length of time depends heavily on the device under test.
1.5.2
CPC 100 software version
In software versions prior to
4.20 SR2
, if an error occurs in the test device during a DC winding resistance
measurement and the measurement is aborted, the
CPC
discontinues the monitoring of the discharge
status before the test object might be completely discharged.
The
CPC
displays an error message and a green light in this case. This could erroneously be interpreted
as a safe state, although the test setup might still carry potentially hazardous voltage/current.
The
CPC
will now continue to signal a red light when the described error occurs, to reduce the risk of
misinterpretation. This improvement is included in software releases from
4.20 SR2
onwards.
► Ensure that all
CPC
devices in your organization have received an update to version
4.20 SR2
or
higher.
We are happy to provide you with a list of the serial numbers that are linked to your organization.
► Contact OMICRON support for more information.
1.6
Orderly measures
The CPC Getting Started or alternatively the e-book always has to be available on the site where the
CPC
is operated.
The users of the
CPC
must read this manual before operating the
CPC
and observe the safety,
installation, and operation instructions therein.
The
CPC
and its and its accessories may only be used in accordance with the user documentation
(including but not limited to User Manuals, Reference Manuals, Getting Started manuals and
manufacturer manuals).
LED steady-on red: voltage on
6A DC
output > 2 V
Note:
This indicator only applies to the
6A DC
output and
does not
include
the
400A DC
output.
Содержание CPC 100
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