MAN0923_Issue 3_04/15
Touchpoint Pro
Operating Instructions
221
Abbreviation
Meaning
A1, A2 or A3
Level 1, 2 or 3 Threshold Alarm
AIM
Analogue Input Module
AOM
Analogue Output Module
CCB
Control Centre Board
COB
Communication Board
CM
Control Module
C&E
Cause and Effect, usually used in conjunction with the C&E Matrix
DIM
Digital Input Module
DOM
Digital Output Module
HART
Highway Addressable Remote Transducer
I/O
Input/Output
IP
Internet Protocol
LAN
Local Area Network
LCD
Liquid Crystal Display
LED
Light Emitting Diode
NOC / NO
Normally Open Contact. Relay contacts that are normally open when a power supply is absent (open circuit)
NCC / NC
Normally Closed Contact. Relay contacts that are normally closed when a power supply is absent (closed
circuit)
OS
Operating System
P2P
Peer to Peer
PCB
Printed Circuit Board
RAM
Random Access Memory; volatile memory
RCM
Ring Coupling Module
RDN
Redundant power supply module
RJ45
Mechanical interface of the standard Ethernet connector
ROM
Relay Output Module
RTC
Real Time Clock
SD
Secure Digital (FLASH memory card)
SOC
System On a Chip
SFF
Safe Failure Fraction
T90
Sensor Response Time
UART
Universal Asynchronous Receiver / Transmitter
UDID
Unique Device Identifier
UPS
Uninterruptible Power Supply
WAN
Wide Area Network
17. Appendix 4 - Abbreviations