OMICRON 17
MPD 800 measurement system
► If the MPD 800 acquisition unit needs to be grounded, use the shortest path with the lowest
achievable inductance. For this purpose, use the common grounding circuit of the test voltage
source, test object and coupling capacitor.
► RBP1 is grounded through the MPD 800 acquisition unit. Therefore, make sure that the RBP1
housing is electrically insulated from ground potential.
► Place MCU2 in close proximity to the PC and outside of the high-voltage or test area (EN 50191). If
leakage current to MCU2 can not be prevented completely, provide additional safety measures, for
example, grounded USB hub. Observe the safety advises from "Front panel connections" on
page 13, regarding fiber-optic connections.
► It is not recommended to place the MPD 800 acquisition unit outside of the high-voltage or test area
(EN 50191). If the MPD 800 acquisition unit is placed outside these areas, perform additional
precautions in order to achieve an equivalent safety level according to safety standards (see
1.2.1 "Safety standards" on page 6).
DANGER
Death or severe injury caused by high voltage or current
► Always observe the five safety rules (see 1.2.2 "Safety rules" on page 6) before
connecting or integrating the MPD 800 acquisition unit into a system.
► Provide protection against live parts in order to avoid accidental contacts.
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