National Instruments RMX-410 Series, Руководство пользователя, Страница: 11 / 132

10
NATIONAL
INSTRUMENTS
CAUTION :
RMX-410x series units are not authorized for use as critical component in nuclear control systems,
life support systems or equipment for use in hazardous environments without the express written
approval of the National Instruments.
OVERVOLTAGE CATEGORY AND ENVIRONMENTAL CONDITIONS
The RMX-410x series units have been evaluated to Overvoltage category II.
The RMX-410x series units are intended for use in the following operation conditions:
* Indoor use
* Pollution degree 2
* Max. operational altitude: 3000m above sea level
* Ambient temperature: 0°C-50°C.
GROUNDING
RMX-410X series units are Class I product. To minimize electrical shock hazard, the RMX-410x series
units must be connected to an electrical ground. The instruments must be connected to the AC
power supply mains through a standard certified three-wire power cable, with the ground wire
firmly connected to an electrical ground (safety ground) at the power outlet. Any interruption of
the protective ground conductor or disconnection of the protective earth terminal will cause a
potential shock hazard that might cause personal injury.
LIVE CIRCUITS
Operating personnel must not remove the RMX-410x series unit cover.
No internal adjustment or component replacement is allowed by non-NI qualified service personnel.
Never replace components with power cable connected. To avoid injuries, always disconnect
power, discharge circuits and remove external voltage sources before touching components.