Geotech ORS SITEPRO 2000, Инструкция по установке и эксплуатации

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Latching
An alarm that, once engaged, requires a manual reset to clear. A non-latching alarm will clear automatically when the
condition that caused the alarm either corrects itself spontaneously or is corrected by operator intervention.
Microprocessor
A computer chip that is capable of executing programmed instructions; the ORS SITEPRO™’s “brain”.
NEC
The NEC (National Electrical Code) is a collection of electrical safety standards compiled by the National Fire Protection
Association.
NEMA 4
Enclosure intended for outdoor use primarily to provide a degree of protection against windblown dust and rain, splashing
water, and hose-directed water; undamaged by the formation of ice on the enclosure. (See IP 66).
Network
A series of ORS SITEPRO™ panels connected by the Interlock Communication Bus.
Normally Closed
A Switch that is closed when not acted upon. See figure 9 for an example of a Normally Closed switch that is held open
by a magnet embedded in a probe float. When the magnet is moved, the switch closes.
Normally open
A switch that is open when not acted upon.
RAM
RAM (Random Access Memory) is computer memory that can be both read and written to. RAM is used for temporary
data storage.
ROM
ROM (Read Only Memory) is computer memory that can be read but not written to. ROM is used to store permanent
programmed instructions.
RS-232
A serial communications network capable of transmitting over short distances only.
RS-485
A serial communications network capable of transmitting over long distances.
Totalizer
A device that counts electrical pulses generated by a flow meter.