Glossary Of Terms And Abbreviations - ABB Symphony Harmony Series Instructions Manual

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Glossary of Terms and Abbreviations

Table 1-1. Glossary of Terms and Abbreviations
Term
Controlway
Cnet
FC
Function code An algorithm which manipulates specific functions. These functions are linked
I/O expander
bus
Module
mounting unit
MMU
Termination
unit
TU
WBPEEUI240774A0
3. Refer to the troubleshooting section to resolve problems if
they occur.
4. Refer to the maintenance section for scheduled mainte-
nance requirements.
5. Refer to the repair and replacement procedures to replace a
module.
The ? in the nomenclature or in a part number indicates a vari-
able for that position (e.g., IMMFP1?).
Table 1-1 contains those terms and abbreviations that are
unique to ABB Automation or have a definition that is different
from standard industry usage.
High speed, redundant, peer-to-peer communication link. Used to transfer informa-
tion between intelligent modules within a Harmony control unit.
Symphony system advanced data communication highway.
Function code.
together to form the control strategy.
Parallel communication bus between the Harmony rack controllers and rack I/O
modules.
A card cage that provides electrical and communication support for Harmony rack
modules.
Module mounting unit. A card cage that provides electrical and communication
support for Harmony rack modules.
Provides input/output connection between plant equipment and the Harmony rack
modules.
Termination unit.
Definition
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