INTRODUCTION
WBPEEUI220754A0
2 - 1
SECTION 2 - DESCRIPTION AND OPERATION
INTRODUCTION
This section explains the theory of operation for the operator
interface station. An operator uses the OIS console to monitor
and control the process. The OIS console shows equipment
status and process states with interactive color graphics dis-
plays. Each display can use dynamic variables and symbols
allowing data to be condensed in each display. Any graphic
element can be mixed with any symbol on any display such as
schematics, faceplates, trends and alarm summaries. For OIS
operating procedures, refer to the
Operation
instruction
is a block diagram of the communication process.
Figure 2-1. Communication Levels
IIOIC251
IIOIC252
IIOIC253
IIOIC254
IIOIC255
IIOIC421
IIOIC422
IIOIC423
IIOIC424
IIOIS25
IIOIS42
CONTROLWAY
I/O EXPANDER BUS
COMMUNICATION HIGHWAY (INFI-NET OR PLANT LOOP)
ETHERNET
COMMUNICATION
MODULES
CONTROL
MODULE
CONTROL
MODULE
TP36271B