ABB AC 800M

About This User Manual Terminology
3BDS009029R5001 B 13
MBP Transmission technology Manchester Coding and Bus
Powered. This term replaces the previously common
terms for intrinsically safe transmission “Physics in
accordance with IEC 61158-2, 1158-2, etc.
NRZ Non Return to Zero, a protocol behavior of the MBP
transmission technology.
PROFIBUS PROcess FIeldBUS. PROFIBUS is a manufacturer-
independent fieldbus standard for applications in
manufacturing, process and building automation. The
PROFIBUS family is composed of three types of
protocol, each of which is used for different tasks. The
three types of protocols are: PROFIBUS FMS, DP and
PA.
PROFIBUS FMS Fieldbus Message Specification. Is designed for
communication at the cell level, where programmable
controllers, such as PLCs and PCs primarily
communicate with each other. It was the forerunner of
PROFIBUS DP.
PROFIBUS DP PROFIBUS DP is the communication protocol for
Decentralized Peripherals. DP covers the versions DP-
V0, DP-V1 and DP-V2.
PROFIBUS PA PROFIBUS for Process Automation
PROFIBUS
International (PI)
The international umbrella organization for PROFIBUS
founded in 1995.
PROFIBUS User
Organization e.V. (PNO)
The PNO is the trade body of manufacturers and users
for PROFIBUS founded in 1989.
Redundancy The existence of more than one capability of an item
(system, equipment or component) to perform its
intended function.
Remote I/O Input/Output units connected to a controller via a
fieldbus.
Term/Acronym Description