Designated Use
13
1DESIGNATED USE
The CMC 356 is a computer-controlled test set for the testing of:
• protection relays
• transducers
• energy meters
• PQ (power quality) analyzers.
In addition to the test functions, optional high-performance measurement
functions [0 Hz (DC) ... 10 kHz] for ten analog inputs are available.
The CMC 356 is part of the OMICRON Test Universe which, in addition to
the physical test set, consists of a test software for a computer with
Windows
1
operating system, and, when needed, external voltage and/or
current amplifiers, GPS or IRIG-B synchronization units or other
accessories.
Features of the CMC 356:
• Output of test quantities:
-4 × voltage
- two galvanically separated three-phase current outputs.
• Capability of protection testing with IEC 61850 devices.
• Control of external amplifiers through the low-level interface (6 additional
test signals with a standard test set at LL out 1-6; six more test signals
with the LLO-2 (low level outputs 7-12) option.
• Supply of DC voltages to the test object.
• Output of binary signals.
• Capture of binary signals and counter impulses.
• Option ELT-1:
Measurement and analysis of DC and AC voltages and currents by
means of a clip-on probe (refer to section 6.11, "Option ELT-1" on page
71) or a measurement shunt.
Any other use of the CMC 356 is considered improper and may result in
damage to property or persons.
1
Windows is a US registered trademark of Microsoft Corporation.
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