GE Hydran M2-X - Page 202

Hydran* M2-X Instruction Manual
Page 202
MA-029 Rev. 1.0, 30-Jul-18
NPT
National Pipe Thread
Null Modem
Communication method to connect a Hydran M2-X directly
to a computer using an RS-232 serial cable.
O
2
Perception
Oxygen (gas)
Application software (running on Microsoft Windows) used
to interface with one or several Hydran M2-X units using a
laptop or host computer.
PC
Personal Computer
PCB
Printed Circuit Board
PCBA
Printed Circuit Board Assembly
PDF
Portable Document Format
PLC
Programmable Logic Controller
P/N
Part Number
POT
POTentiometer
ppm
Part Per Million (unit used for gas concentration)
PT
Potential Transformer
PVC
PolyVinyl Chloride (type of plastic)
RAM
Random Access Memory
Range
The limit of measurement values that an instrument is
capable of reading
RAS
Remote Access Service
RDBMS
Relational Data-Base Management System
Real-Time
Pertaining to a system or operating mode under which
computation is performed during the actual time when an
external process occurs.
Remote
A connection with Hydran M2-X unit(s) using a modem or
Ethernet connection through a distant host computer
Repeatability
Ability of an instrument to measure the same input to the
same value over a short period of time
Response Time
Time a system (Hydran M2-X) unit takes to react to a given
input (gas concentration change)
RFI
Radio-Frequency Interference
%RH
Relative Humidity in %
RMS
Root Mean Square
RS-232
Serial communications based on TIA-232-F standard
RS-485 Network Link
Network using RS-485 serial connection
RTC
Real-Time Clock
RTD
Resistance Temperature Detector
RTDB
Real-Time Data Base
RTU
Remote Terminal Unit