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Siemens Building Technologies, Inc.
Modular Control Panels with Application
Flexibility
The MBCs are high performance controllers with
complete flexibility to allow the owner to customize
each control panel with the exact hardware and
program for the application.
The facility manager only purchases what is needed.
For example, for monitoring applications, the control
panel can be customized with the exact number and
type of analog inputs to match the sensor devices.
For monitoring and controlling a large number of (on-
off) fans or motors, digital input and output Point
Termination Modules are added.
The control program for each panel is customized to
exactly match the application. Proven Powers
Process Control Language (PPCL), a “BASIC” type
programming language, provides direct digital
control and energy management sequences to
control equipment precisely and optimize energy
usage.
For interaction between events and data on separate
systems, Open Processors equipped with various
communication drivers are utilized.
Integrated Building Block Architecture
Every MBC is capable of communications with
multiple systems. Each Power Open Processor or
Open Processor provides stand-alone control for a
family of up to 96 FLN devices. A total of 5
processors, potentially communicating with 5 other
building systems, can reside in a single MBC panel.
Powerful flexibility provides an unlimited number of
configuration possibilities. For example, two Open
Processors communicate with 192 FLN devices
while a third processor controls lighting panels and a
fourth processor communicates with a fire system
or even a network of devices utilizing a standard
protocol.
In a stand-alone configuration, the MBC can fulfill all
requirements of a BMS supervisory network
coordinator, managing operation schedules, alarms,
dialing out to other building systems, printers and
pagers, and communicating for the connected
devices.
Global Information Access
Each MBC is equipped with two RS-232 operator
terminal ports. These ports support the connection
of a modem, simple CRT terminal, laptop PC, or
printer. Devices connected to the terminal port gain
global information access.
Multiple Operator Access
Multiple operators can access the network
simultaneously. Multiple operator access ensures
that alarms are reported to an alarm printer while an
operator accesses information from a local terminal.
When using the Ethernet BLN option, multiple
Operators may also access the controller through
concurrent Telnet sessions and/or local operator
terminal ports.
Menu Prompted, English Language
Operator Interface
The MBC field panel has a simple, yet powerful
menu driven English Language Operator Interface
that provides, among other things:
• Point monitoring and display,
• Point commanding,
• Historical trend collection and display for
multiple points,
• Equipment scheduling,
• Program editing and modification via Powers
Process Control Language (PPCL),
• Alarm reporting and acknowledgment, and
• Continual display of dynamic information.
Built-in Direct Digital Control Routines
The MBC provides stand-alone DDC to deliver
precise HVAC control, and comprehensive
information about system operation. The Open
Processor receives information from sensors in the
building, processes the information, and directly
controls the equipment. The following functions are
available in the MBC:
• Closed Loop Proportional, Integral and Derivative
(PID) control,
• Advanced loop tuning algorithm for (PID)
parameters,
• Logical sequencing,
• Alarm detection and reporting, and
• Reset schedules.
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