INTRODUCTION
I-E96-117B
1 - 1
SECTION 1 - INTRODUCTION
INTRODUCTION
The IISAC01 Analog Control Station provides process loop con-
trol and monitoring capabilities for a single loop. The analog
control station (SAC), while functionally compatible with the
NDCS03 Digital Control Station, includes additional features
not found on earlier digital control stations, including:
•
Additional analog input display with square root option.
•
High resolution bar graph displays.
•
Five or 40-kilohertz serial link.
INTENDED USER
System engineers and technicians must read this instruction
before installing and operating the SAC station. Refer to the
Table of Contents to find specific information.
HARDWARE DESCRIPTION
The SAC station is a single printed circuit board assembly. The
board assembly is housed in a panel mounted plastic case. The
faceplate indicators and membrane switches provide the oper-
ator interface.
The faceplate has three gas plasma bar graph displays. They
provide a high resolution display of:
•
Set point.
•
Process variable.
•
Control output (demand output) data.
An eight-character alphanumeric display shows:
•
Process variable value.
•
Process variable alarms.
•
Set point.
•
Control output (demand output).
•
Operational mode.
•
Error codes.