User Manual

Siemens Building Technologies CM2N8883E / 10.1999
Landis & Staefa Division 3/4
Processing functions are used mainly for building installation processes. The tasks are:
T
T
BPS
8883Z03E
Supervise
Control
Regulate
Calculaate/Optimize
Statistics
The table below contains the processing functions that are available in the VISONIK
BPS for the above tasks:
Task Processing functions
Supervising
−
Execution check on switching commands (feedback)
−
Limit value supervision (measuring and counting values)
−
Operating hours count (e.g., for pumps and fans)
−
Event-oriented reaction programs (event processing)
−
Signalling functions: Fault and alarm messages to local
printer, to superposed system level, or to a tele printer
(remote alarming)
Control
−
Plant control with the associated plant points (PLT)
−
DISPATCH function (selecting and distributing of values)
Regulating
−
P, PI, PID controller block
−
SEQ function (sequence and cascade controller)
−
STR function (self-tuning-regulator)
Processing/optimizing
−
Timeswitch program with weekday, exception day, and
special day catalogues
−
Daylight saving/standard time changeover as per EU
standards or programmable
−
Definition of time zones in linked systems
−
Optimum Start/Stop Program OSTP
−
Network return program
Statistics
−
Output of system, alarm, error reports, etc.
−
Statistics messages on temperatures, energy values, etc.
−
Recording of process data from the technical installations
(DP-BPS)
In addition to this function sheet, the following documents contain further information on
the VISONIK BPS:
Document no. Title
CM2N8880E BPS function sheets, overview
CM2N8301E Building Process Station, data sheet
CM2B8301E Building Process Station, operating instructions
CM2Z8567E VISONIK
Point Types and Parameters (expert documentation)
CM2T8567E VISONIK System Basics (expert documentation)
Processing
functions
General tasks
BPS functions
Additional information