INTRODUCTION
GLOSSARY OF TERMS AND ABBREVIATIONS (continued)
1 - 4
I-E96-209A
®
GLOSSARY OF TERMS AND ABBREVIATIONS
(continued)
NOMENCLATURE
The following is a list of related hardware:
Term
Description
OIS
Operator Interface Station. Integrated operator console with data acquisition and
reporting capabilities. It provides a digital access into the process for flexible control
and monitoring.
PCU
Process Control Unit. A node on the plant wide communication network containing
master and slave modules.
Plant Loop
Network 90 data communication highway.
RAM
Random Access Memory. Contents are lost when power is removed.
ROM
Read Only Memory. Contents remain when power is removed.
Slave Expander
Bus
Parallel communication bus between the master and slave modules.
TM
Termination Module. Provides input/output connection between plant equipment and
the INFI 90/Network 90 modules.
TU
Termination Unit. Provides input/output connection between plant equipment and the
INFI 90/Network 90 modules.
Nomenclature
Hardware
Master Module
IMLMM02
Logic Master Module
I/O Modules
IMDSM04
IMDSM05
IMDSO01/02/03/04
IMDSI02
Pulse Input Slave Module
Digital Input Slave Module
Digital Slave Output
Digital Slave Input
Termination Units
NTDI01
NTDO02
Digital Input
Digital Output
Termination Modules
NIDI01
NIDO01
Digital Input
Digital Output
Cables
NKTU01
NKTM01
NKTU02
Cable from NTDI01/NTDO02 to IMLMM02
Cable from NIDI01/NIDO01 to IMLMM02
Cable from NIDI01/NIDO01 to IMLMM02