TS4000H
4
The Interface Module Type TS4000(H) must be protected by a fuse with a breaking capacity of
1500A fitted in the external circuits.
1.4 Glossary of Terms
Table 1: Glossary of Terms
Term /
Abbreviation
Definition
A
Amperes
AC
Alternating Current
AWG
American Wire Gauge
Baud Rate
The number of signal level changes per second in a line, regardless of
the information content of those signals
bps
Bits per second
BU
Base Unit
Cable Armor
Cable having interlocked or corrugated armor where it is essential to
provide positive grounding of cable armor
Cable Screen
Mesh surrounding a cable
COM
DC Ground
CR
Control Room
CRC
Cycle Redundancy Check
DC
Direct Current
DCS
Distributed Control System
De-Energized
To disconnect from a power source
ECC
Electrochemical Cell
EEPROM
Electrically Erasable Programmable Read-Only Memory
EMI
Electromagnetic Interference
ENERGIZED
To apply voltage or energy
FS
Full Scale
GM
General Monitors
Hex
Hexadecimal Number
I / O
Input / Output
IM
Interface Module
Instrument Earth
Grounded using a grounding strap
Intrinsically Safe
Intrinsic safety is a protection concept employed in potentially explosive
atmospheres
IS
Intrinsically Safe
Latching
Refers to relays remaining in the “on” state even after the “on” condition
has been removed
LED
Light Emitting Diode
mA
Milli-Amps refers to 1/1000 of an Amp
Master
Controls one or more devices or processes
Modbus
Master-slave messaging structure
HART
Highway Addressable Remote Transducer. A master-slave field
communications protocol
N/A
Not Applicable
NC
Normally Closed
NO
Normally Open
Non-Latching
Refers to relays being reset to the initial state after “on” condition has
Содержание TS4000H
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