Description
Term
One of the optional fieldbus adapter modules available for ABB drives. FMBT-
21 is a device through which an ABB drive is connected to an Ethernet network.
FMBT-21 adapter module
Least significant bit
LSB
Least significant character
LSC
Media Access Control address
MAC address
Most significant bit
MSB
Most significant character
MSC
Programmable logic controller
PLC
Adaptation of a communication protocol for a certain application field (for
example drives)
Profile
Simple Network Time Protocol. A protocol to synchronize drive time with the
network time server.
SNTP
16-bit or 32-bit word from a controlled device to the controller with bit-coded
status signals
Status word
■
Modbus/TCP terms and abbreviations
Explanation
Term
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.
Exception code
The second byte sent by the client. The function tells the server what kind of action
to perform.
Function code
Holds data that will be later executed by an application program.
Holding register
Related documents
Code
Manual
Drive hardware manuals and guides
ACS380-04 manuals
ACS480 manuals
ACS580-01 manuals
ACH580-01 manuals
ACQ580-01 manuals
ACS580-04 manuals
ACH580-04 manuals
ACQ580-04 manuals
ACS580-07 manuals
ACH580-07 manuals
ACQ580-07 manuals
ACS880-01 manuals
ACS880-04 manuals
ACS880-07 (45 to 710 kW) manuals
ACS880-07 (560 to 2800 kW) manuals
ACS880-07LC manuals
ACS880-11 manuals
14 Introduction to the manual
Summary of Contents for FMBT-21
Page 2: ......
Page 4: ......
Page 8: ...8 ...
Page 16: ...16 ...
Page 20: ...20 ...
Page 46: ...46 ...
Page 58: ...58 ...
Page 66: ...66 ...
Page 72: ...72 ...
Page 75: ...Appendix A ABB IP configuration tool for FMBT 21 75 ...
Page 76: ...76 ...
Page 80: ...80 ...
Page 84: ...84 Appendix D FMBT 21 configuration web pages ...
Page 90: ...Access to web pages is now enabled 90 Appendix D FMBT 21 configuration web pages ...