NHP TemBreak PRO - Terminology and Abbreviations

Introduction
6
TemBreak PRO B_BE-UM-001-EN  V1.1.0
Terminology and Abbreviations
Abbreviation
Description
Abbreviation
Description
ACP
Auxiliary Communications port: Plug for Smart auxiliary /
alarm contact block
MIP
Maintenance Interface Port: Plug for temporary
connection to OCR testing, servicing, and maintenance
tools
AL
Alarm: An auxiliary contact indicating trip status
N
Neutral
ASCII
American Standard Code for Information Interchange
NP
Neutral Protection
AX or AUX
Auxiliary: Auxiliary contact indicating open / closed
OAC
Optional Alarm Contact: Connection connector optional
alarm output contact
BE
Basic Electronic Trip Unit (dial type, LSI and LSIG)
OCR
Over Current Relay
CCW
Connected Components Workbench software
P or PTA
Pre-trip Alarm
CIP
1 2
1
Communication Interface Port: Plug for control power
and data for use with the TPED remote display and
TPCM communication module
2
Common Industrial Protocol
PDU
Protocol Data Unit
CRC
Cyclic Redundancy Check – error-detecting code used at
the end of each Modbus message
PELV
Protected Extra Low Voltage (earthed system)
dec
Decimal (base-10) numbering system
PTA
Pre-Trip Alarm: is a programmable output contact to
advise when a trip may be imminent.
DINT
Signed Double Integer datatype (4 bytes or 32 bits in
length)
RTU
Remote Terminal Unit
EIPM
TemBreak PRO Ethernet/IP Module
S or STD
Short Time Delay Protection
FF
Fixed Thermal and Fixed Magnetic
SE
Smart Energy Trip Unit
FM
Fixed Thermal and Adjustable Magnetic
SELV
Separated Extra Low Voltage
G or GF
Ground Fault Protection
SN
Solid Neutral
hex
Hexadecimal (base-16) numbering system
SSID
Service Set Identifier (name of the Wi-Fi wireless
network)
I or INST
Instantaneous Protection
STR
String datatype
IEC
International Electrotechnical Commission
TCP
Transmission Control Protocol
IEEE
Institute of Electrical and Electronics Engineers
TF
Adjustable Thermal and Fixed Magnetic
I
g
Ground Fault Protection Current
THD
Total Harmonic Distortion
I
i
Instantaneous Protection Current
TM
Adjustable Thermal Magnetic
I
n
Rated Current
TPCM
TemCom PRO Communication Module
I
N
Neutral Protection Current
TPED
TemView PRO External Display
INT
Signed Integer datatype (2 bytes or 16 bits in length)
t
r
/ t
R
LTD Time delay
IP
International Protection (Ingress Protection)
t
sd
STD Time delay
I
r
/ I
R
LTD Protection Current
t
tsp
Thermal Self-Protection Time delay
I
sd
STD Protection Current
UDINT
Unsigned Integer (2 bytes or 16-bits in length)
I
tsp
Thermal Self-Protection Current
UINT
Unsigned Integer (2 bytes or 16 bits in length)
L or LTD
Long Time Delay Protection
ULINT
Unsigned Long Integer datatype (8 bytes or 64 bits in
length)
LCD
Liquid Crystal Display (LCD)
URLs
Uniform Resource Locator (address of an Internet
website)
LED
Light Emitting Diode
WORD
2 bytes or 16-bits of data
LINT
Signed Long Integer datatype (8 bytes or 64 bits in
length)
ZSI
Zone Selective Interlocking (zone selectivity)
LSI
Long Time, Short Time and Instantaneous Protection
θ
Thermal imaging value
LSIG
Long Time, Short Time, Instantaneous and Ground Fault
Protection
θ
C
Cold start mode thermal imaging value
MCCB
Moulded Case Circuit Breaker
θ
H
Hot start mode thermal imaging value
microSD
Micro Secure Digital
θ
trip
Thermal imaging value tripping threshold