Abbreviations; Modbus/Tcp Terms And Abbreviations - ABB FENA-01 User Manual

32 Introduction to the manual
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Abbreviations

Abbreviation
DHCP
EMC
FBA
LSB
MSB
PLC
SNTP
SNMP
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Modbus/TCP terms and abbreviations

Term
Exception code
Function code
Holding register
Explanation
Dynamic Host Control Protocol. A protocol for
automating the configuration of IP devices. DHCP can be
used to automatically assign IP addresses and related
network information.
Electromagnetic compatibility
Fieldbus adapter
Least significant bit
Most significant bit
Programmable logic controller
Simple Network Time Protocol. A protocol to synchronize
drive time with the network time server.
Simple Network Management Protocol.
Explanation
If an error related to the requested Modbus function
occurs, the data field contains an exception code that
the server application can use to determine the next
action to be taken.
The second byte sent by the client. The function tells the
server what kind of action to perform.
Holds data that will be later executed by an application
program.