About this Guide
TM40/40U Rev. (Af), February 2019
13
Abbreviation/Term Meaning
EOL
End of Line
FOV
Field of View
HART
Highway Addressable Remote Transducer
–
communications protocol
IAD
Immune at Any Distance
IECEx
International Electro-Technical Commission
Explosion
IP
Internet Protocol
IPA
Isopropyl Alcohol
IR
Infrared
IR3
Refers to the 3 IR sensors in the VID
JP5
Jet Fuel
LED
Light Emitting Diode
MODBUS
Serial communications protocol using Master-Slave
messaging
N/A
Not Applicable
N.C.
Normally Closed
NFPA
National Fire Protection Association
N.O.
Normally Open
NPT
National Pipe Thread
NTSC
National Television System Committee (a color
encoding system)
PAL
Phase Alternation by Line (a color encoding
system)
P/N
Part Number
RFI
Radio Frequency Interference
RTSP
Real Time Streaming Protocol
SIL
Safety Integrity Level
UNC
Unified Coarse Thread
VAC
Volts Alternating Current