Pseudo Points; Introduction; Digital Pseudo Points - Simplex 4010 Installing And Operating Insructions

Pseudo Points

Introduction

Digital Pseudo Points

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Like the 4100 and 4005, there are three types of pseudo points that exist in every
system. They include digital, analog, and list pseudos. Each of these types may
be referenced in Custom Control in both the input and output sides of an
equation. Reserved system pseudo points are used to indicate system trouble or
alarm indications, control diagnostics or other system functions, and to
communicate information between the 4010 Master and SMPL. Some pseudos
are set by the system and are read only to the user. Other pseudos are either set
from SMPL or from the front panel as a cue for the system to perform some
operation. Pseudo cards contain no card status points.
Every 4010 system has two Digital Pseudo "cards" at addresses 18 and 19. The
first card is reserved for system pseudo points while the second is available to
the user. Each contains 75 digital pseudo points which may be programmed as
shown in Table B-18.
Table B-18. Programming Digital Pseudo Points
Type
UTILITY Utility point (ON/OFF - no acknowledge required).
ALARM Fire alarm point.
SUPV Supervisory point.
TROUBLE Trouble point.
Each system digital pseudo point falls into one of the following three categories
shown in Table B-19.
Table B-19. Categories for Digital Pseudo Points
Class
R Point is controlled by the 4010 master and is read only to the
end user.
RW Point is controlled by the 4010 master but may also be
controlled by the end user (front panel or SMPL).
W Point is controlled by the end user and is read by the 4010
Master in order to accomplish some function or operation.
B-14
Description
Description
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