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Reference Manual
00809-0100-4832, Rev AA
October 2004
Rosemount 3095FC
Glossary-2
Discrete - Input or output that is non-continuous, typically representing two levels such as on/off.
DP - Differential Pressure.
DSR - Data Set Ready modem communications signal.
DTR - Data Terminal Ready modem communications signal.
Duty Cycle - Proportion of time during a cycle that a device is activated. A short duty cycle conserves power for I/O
channels, radios, and such.
DVM - Digital voltmeter.
Sensor Module - Dual-Variable Sensor. Provides static and DP inputs to a 3095FC.
E
EFM - Electronic Flow Metering or Measurement./
EIA-232 - Serial Communications Protocol using three or more signal lines, intended for short distances. Also
referred to as RS-232.
EIA-422 - Serial Communication Protocol using four signal lines. Also referred to as the RS-422 standard.
EIA-485 - Serial Communications Protocol requiring only two signal lines. Can allow up to 32 devices to be
connected together in a daisy-chained fashion. Also referred to as RS-485.
EMI - Electro-magnetic interference.
ESD - Electronic Static Discharge.
EU - Engineering Units.
F
Firmware - Internal software that is factory-loaded into a form of ROM. In the 3095FC, the firmware supplies the
software used for gathering input data, converting raw input data calculated values, storing values, and providing
control signals.
Flash ROM - A type of read-only memory that can be electrically re-programmed. It is a form of permanent memory
and requires no backup power.
FSK - Frequency shift keyed.
G
GFA - Ground fault analysis.
GND - Electrical ground, such as used by the 3095FC power supply.
GP - Gauge Pressure.
H
HistoryLink Utility - HistoryLink utility allows the user to access and retrieve the 10-Minute History from the
3095FC. The HistoryLink utility supplements Rosemount User Interface for Windows Software.
Holding Register - Analog output number value to be read.
hw - DP.