Siemens Open Processor User manual

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125-2189 Rev. 1, 9/98

Open Processor with Trane Driver Owner’s Manual
ii
Rev. 1.0, December 1998
NOTICE
The information contained within this document is subject to change without notice and should not be construed as
a commitment by Siemens Building Technologies, Inc. Siemens Building Technologies, Inc. assumes no
responsibility for any errors that may appear in this document.
All software described in this document is furnished under a license and may be used or copied only in accordance
with the terms of such license.
WARNING
This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance
with the instructions manual, may cause interference to radio communications. It has been tested and found to
comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to
provide reasonable protection against such interference when operated in a commercial environment. Operation of
this equipment in a residential area is likely to cause interference in which case users at their own expense will be
required to take whatever measures may be required to correct the interference.
SERVICE STATEMENT
Control devices are combined to make a system. Each control device is mechanical in nature and all mechanical
components must be regularly serviced to optimize their operation. All Landis & Staefa, Inc. branch offices and
authorized distributors offer Technical Support Programs that will ensure your continuous, trouble-free system
performance.
For further information, contact your nearest Siemens Building Technologies, Inc. representative.
Copyright 1998 by Siemens Building Technologies, Inc.
TO THE READER
A Reader Comment form is located at the end of this manual. Please use this form for reporting errors or
discrepancies.
APOGEE is a trademark of Siemens Building Technologies, Inc.
Tracer Summit is a trademark of The Trane Company
BACnet is a trademark of American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)
Insight for Minicomputers is a registered trademark of Siemens Building Technologies, Inc.
Insight for Personal Computers is a registered trademark of Siemens Building Technologies, Inc.
Printed in U.S.A.

Table of Contents
iii
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How To Use This Manual .............................................................................................I
Manual Organzation ...................................................................................................I
Manual Conventions ..................................................................................................II
Manual Symbols ........................................................................................................II
Prerequisites III
Introduction................................................................................................................... 1-1
Chapter Overview......................................................................................................1-1
Principles of Open Processor Operation 1-1
Hardware ....................................................................................................................... 2-1
Chapter Overview......................................................................................................2-1
System Configuration 2-1
System 600 APOGEE Components 2-2
Trane Components 2-8
Software ........................................................................................................................3-1
Chapter Overview......................................................................................................3-1
Open Processor Software 3-1
Point Database .............................................................................................................. 4-1
Chapter Overview......................................................................................................4-1
What is a Point Database? 4-2
Types of logical points 4-2
Virtual Points 4-3
Local points 4-3
Point characteristics 4-3
Point type attributes 4-12
BCU Mapping/ Metapoints 4-18
BACnet™ 4-22
BACnet Object Mapping 4-23
Point Database Guidelines 4-25
Applications .................................................................................................................. 5-1
Overview ................................................................................................................... 5-1
Open Processor Applications 5-1

Open Processor with Trane Driver Owner’s Manual
iv
Features 5-2
Typical Trane Objects by Equipment Controller 5-2
Object Worksheet 5-5
Troubleshooting............................................................................................................ 6-1
Chapter Overview 6-1
Open Processor Troubleshooting 6-2
Open Processor Operation 6-3
Trunk Interface 6-4
Point Operation 6-5
Communications with Trane System 6-7
Battery Replacement Procedure 6-7
Glossary ......................................................................................................................... Glossary-1
Index...............................................................................................................................Index-1

Siemens Building Technologies, Inc. I
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This manual is written for the owner and user of the System 600 APOGEE Open Processor
with Trane driver, referred to as Open Processor for the remainder of this manual. It is
designed to help you become familiar with the Open Processor and its applications. The
manual contains the following information:
This section covers manual organization, manual conventions and symbols used in the
manual, how to access help, related publications, and any other information that will help you
use this manual.
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xChapter 1, Introduction, describes each chapter in this manual and presents an
overview of the Open Processor operation.
xChapter 2, Hardware, describes and explains the function of the Open Processor and
related hardware.
xChapter 3, Software, describes the software contained in the Open Processor.
xChapter 4, Point Database, defines the Open Processor’s point database.
xChapter 5, Applications, describes the applications available with the Open
Processor. Point maps, complete with slopes and intercepts, are included for each
supported Trane equipment controller.
xChapter 6, Troubleshooting, describes basic corrective measures to take if you
encounter a problem when using the Open Processor. This chapter is not intended
to serve as a full diagnostic guide. Rather, it is designed to address basic
troubleshooting issues. If you encounter a problem not covered in this chapter or
require further assistance, consult your local Siemens Building Technologies
representative.
xA Glossary describes the terms and acronyms used in this manual.
xAn Index is provided to help you locate information presented in this manual.

Open Processor with York Driver Owner’s Manual
II Siemens Building Technologies, Inc.
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The following table lists conventions to help you use this manual in a quick and efficient
manner.
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Numbered Lists
(1,2,3…) indicate a
procedure with
sequential steps.
1. Turn OFF power to the field panel. Turn ON power to
the field panel.
2. Contact your local Siemens Building Technologies
representative.
Actions that you
should perform are
specified in
boldface font.
Type F
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Click O
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New terms
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italicized.
The Open Processor continuously executes a user-defined set
of instructions called the control program.
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The following table lists the symbols used in this Owner’s Manual to draw your attention to
important information.
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:Indicates that personal injury or loss of life may occur
to the user if a procedure is not performed as
specified.
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For more information about the Trane driver, contact your local Trane representative.

How to Use This Manual
Siemens Building Technologies, Inc. III
Landis Division
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This manual should be used in conjunction with the System 600 APOGEE Field Panel User’s
Manual (125-3000). This manual describes the Operator Interface Program used to
communicate with the Open Processor and other System 600 APOGEE field panels.
In addition to reading this owner's manual, you should also become familiar with the
following technical documents. Each document has been written to help you get the most
use out of your Open Processor.
xPowers Process Control Language (PPCL) User's Manual (125-1896). This manual
describes PPCL, the language used to write the control programs for the Open
Processor.
xSystem 600 APOGEE Field Panel User's Quick Reference Guide (125-3001). This
guide is a pocket version of the Field Panel User's Manual written for experienced
users of the operator interface. It contains a listing of the operator interface prompt
strings and the keystrokes an operator needs to access the functions.
These manuals, along with information about other Siemens Building Technologies products,
services, and technical training classes, can be obtained from your local Siemens Building
Technologies representative.

Open Processor with York Driver Owner’s Manual
IV Siemens Building Technologies, Inc.
Landis Division
Notes

Siemens Building Technologies, Inc. 1-1
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Chapter 1 covers the basic concepts involved in Open Processor operation. The following
topics are included in Chapter 1:
xPrinciples of Open Processor Operation
xGathering and Processing Field Inputs
xExecuting Control Programs
xProcessing Operator Commands
xBuilding Level Network
xSingle Open Processor Remote Sites
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Through the floor level network, the Open Processor establishes communication with and
gathers information about the Trane equipment it monitors and controls. Updated information
received from the Trane network is stored into a standard System 600 APOGEE point type.
The Open Processor also executes control programs, handles operator commands and
requests, and makes control management decisions.
Figure 1-1 shows an Open Processor.
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Open Processor with Trane Driver Owner's Manual
1-2 Siemens Building Technologies, Inc.
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The Open Processor is compatible with the following products:
xAPOGEE Insight“for Personal Computers
xStand-alone Control Unit (SCU), Revision 6.1 or greater
xLocal Area Network (LAN) Controller
xRemote Control Unit Protocol 2 (RCU P2)
xModular Equipment Controller (MEC)
xModular Building Controller (MBC)
xRemote Building Controller (RBC)
xFloor Level Network (FLN) Controller
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The Open Processor samples the Trane network inputs, or points, for information and stores
numerical representations of these values. The Open Processor then takes the required
action; that is, it either adds current information to the history file or sends an alarm message
to the proper location.
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The Open Processor continuously executes a user-defined set of instructions called the
control program. This program uses the most recent point values and the most recent clock
time. The control program performs the following functions:
xEvaluates control strategies.
xUses an internal calendar and time clock for time-based functions.
xUpdates point values, and commands field points according to the program results.
xSends alarms, messages, or reports to proper terminal locations as needed.
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An operator can issue commands or requests to the Open Processor using an operator
terminal and the operator interface program that resides in the Open Processor. Reference
the System 600 APOGEE Field Panels User’s Manual (125-3000) for more information on
access levels.

Introduction
Siemens Building Technologies, Inc. 1-3
Landis Division
Valid operator commands to change point values or to command field points are handled
similarly to field input or control program commands. For example, if an operator issues an
ON command to a fan starter, the Open Processor issues the ON command to the field point
and updates the value in its memory. In this case, the operator overrides the control program.
The fan point would remain ON until the operator commands the fan OFF or until the
operator releases the point back to automatic control.
NOTE: Either the Open Processor or the Trane system can command Trane equipment
controllers.
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Up to 100 Open Processors and field panels (addressed 0-99) can be connected on a building
level network (BLN), also known as a Protocol 2, P2, or peer-to-peer network. Information
from any Open Processor or field panel on the BLN can be accessed and shared. The BLN
provides connections within or between buildings by using dedicated network wiring,
dedicated telephone lines, or dial-up telephone lines.
More than one operator can access the network at one time. For example, as one operator
accesses the system, another operator can access the system at another terminal or from a
remote site by using a modem. Alarms are reported to the alarm printer even as an operator
accesses information.
When an operator issues a command over the network, the Open Processor or field panel at
which the operator issued the command does the following:
xValidates the command,
xDetermines the command’s destination.
xPasses the command to the destination over the network.
Figure 1-2 illustrates the following process: The operator issues a command at the Open
Processor. The Open Processor is located in the lower level of the building. This command is
sent through the BLN to the Open Processor located on the penthouse to control the main air
handling unit of the building.
For more information about networking, contact your local Siemens Building Technologies
representative.
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The Open Processor can operate as a stand-alone controller. A single Open Processor is
typically used in remote sites where only the equipment for that site needs to be controlled.
Communications with the remote site is achieved using modems.

Open Processor with Trane Driver Owner's Manual
1-4 Siemens Building Technologies, Inc.
Landis Division
The remote-site Open Processor can initiate a telephone call to a printer, a dumb terminal, or
a minicomputer or personal computer running Insight software. Once the remote site
connects to the device, an alarm or other user-defined event is issued. When the remote site
no longer requires the connection to the device, the remote site disconnects. The remote
site can also receive telephone calls from a device running Insight software to allow
centralized access of a local network database.
For more information about remote site Open Processors, contact your local Siemens
Building Technologies representative.

Introduction
Siemens Building Technologies, Inc. 1-5
Landis Division
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Open Processor with Trane Driver Owner's Manual
1-6 Siemens Building Technologies, Inc.
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Notes

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Chapter 2 describes the hardware components of the Open Processor, and the function of
Trane devices. The Open Processor allows some control and monitoring functions that
formerly required hard-wired interfaces between the System 600 and field equipment. By
using the Open Processor, much of the expense of field wiring can be eliminated. The
following topics are included in Chapter 2:
xSystem Configuration
xSystem 600 APOGEE Components
xTrane Components
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The Open Processor with Trane driver enables the System 600 APOGEE to monitor and/or
control the Trane Tracer Summit™ Building Control Unit (BCU).
The integrated system consists of the Trane system and the System 600 APOGEE, linked by
the Open Processor and Trunk Interface II. The Trane System consists of a BCU
communicating with many Trane equipment controllers.
Figure 2-1 diagrams a typical Trane and System 600 APOGEE configuration.

Open Processor with Trane Driver Owner's Manual
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The Open Processor may reside in any Modular Building Controller (MBC) or Remote Building
Controller (RBC) enclosure with an open slot on the communications bus (C-Bus).

Hardware
Siemens Building Technologies, Inc. 2-3
Landis Division
In addition, the Open Processor does the following:
xSupports Expansion Module Kits.
xDoes not require a Power Module in the enclosure unless the Open Processor
controls Point Termination Modules (PTMs).
xCan reside in an enclosure that contains a Power Module and one or more Controller
Modules and/or other Open Processors. Other Open Processors are those capable of
supporting one of a variety of communication drivers.
NOTE: An MBC enclosure is FCC-approved for a maximum of four Controller Modules
and/or Open Processors.
Figure 2-2 shows an MBC enclosure with various modules.
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The Open Processor with Trane driver is a high-performance, independent controller that is
customized to meet your exact building control needs. It controls mechanical equipment and
performs specialized applications using Direct Digital Control (DDC). The Open Processor
with Trane driver can communicate with System 600 APOGEE field panels and Insight
workstations. It can be implemented as a central monitoring unit or remote site equipment
controller, and can communicate with the point modules in the cabinet.
Data about Trane equipment controllers for controlling, displaying, logging, alarming, and
trending on the System 600 APOGEE is made available by the Open Processor, shown in
Figure 2-3, Figure 2-4, and Figure 2-5. Points in the Open Processor’s database hold
information about Trane equipment controllers.

Open Processor with Trane Driver Owner's Manual
2-4 Siemens Building Technologies, Inc.
Landis Division
The Open Processor with Trane driver cannot communicate with any other FLN devices such
as Terminal Equipment Controllers. The Open Processor connects to the Trane system using
only the FLN 1 port. However, the Open Processor uses the address space of FLN 1, FLN 2,
and FLN 3.
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Eight LEDs are located on the front of the Open Processor, but only six are active. Each LED
is labeled according to its function. Refer to Table 2-1 and Figure 2-6 for additional
information.
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Green FLN TX Open Processor is transmitting information over
the FLN 1 trunk.
Green FLN1 RX Open Processor is receiving information over the
FLN 1 trunk.
Green BLN TX Open Processor is transmitting information over
the BLN trunk.
Green BLN RX Open Processor is receiving information over the
BLN trunk.
Green STATUS Open Processor is powered up and operating
properly when this LED is flashing.
Red BATT LOW The Open Processor backup battery is low.
Replace the battery.

Hardware
Siemens Building Technologies, Inc. 2-5
Landis Division
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Other Open Processors are those capable of supporting one of a variety of communication
drivers.
Other Open Processors also gather information about building systems that they monitor and
sometimes control. The information from the building systems is then stored into standard
System 600 APOGEE point types.
For more information about other Open Processors and associated drivers, contact your local
Siemens Building Technologies representative.
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The Open Processor does not require a Power Module or a Controller Module when it is in an
MBC or RBC enclosure. However, Power Modules and Controller Modules can share an
MBC or RBC enclosure with Open Processors.
NOTE: If an Open Processor controls PTMs, a Power Module is required.
For more information about Power Modules and Controller Modules, refer to the System 600
Modular Building Controller and Remote Building Controller Owner’s Manual (125-1992).
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two sets of MBC or RBC enclosures when the first enclosure reaches its maximum point
capacity.

Open Processor with Trane Driver Owner's Manual
2-6 Siemens Building Technologies, Inc.
Landis Division
The Expansion Module Kit contains two different types of modules: the Primary Module (PM)
and the Expansion Module (EM). The PM is installed in the primary panel (an MBC or RBC
with the Open Processor or Controller Module). The primary panel is responsible for
controlling PTMs installed within that enclosure, as well as any enclosures with Expansion
Module Kits joined to the primary panel.
The EM is installed in the expansion panel (an MBC or RBC without an Open Processor or
Controller Module). The purpose of the expansion panel is to provide extra PTM slots for the
primary panel to use.
For more information about Expansion Module Kits, refer to the System 600 Modular
Building Controller and Remote Building Controller Owner’s Manual (125-1992).
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Point Termination Modules (PTMs) are signal converters that have one, two, or four points.
PTMs are the interface between the field equipment and an Open Processor or a Controller
Module. Field equipment includes devices that provide information to, or are controlled or
monitored by an Open Processor or a Controller Module. All field input and output points are
either digital points or analog points such as 4mA–20mA sensors, 0Vdc–10Vdc outputs to
control actuators, and pulse accumulators.
For more information about PTMs, refer to the System 600 Modular Building Controller and
Remote Building Controller Owner’s Manual (125-1992).
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Operator interfaces, such as operator terminals (PCs, laptops), video display terminals, and
printers, allow you to communicate with the Open Processor.
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Operator terminals allow you to communicate interactively with the Open Processor. A
keyboard is used for input, and a video screen or printer is used to display (echo) your inputs
and the system responses. Operator terminals allow you to do the following:
xDirectly control or request information about Open Processor points.
xCheck the operation of Trane building controls.
xChange or override control programs in the Open Processor.