Motorola 89FT4840 User Manual
Motorola Inc.1999
All rights reserved
ToolBox for MOSCAD
For Programming ToolBox Versi on 7. 51
RTUs
System Overview
68P02956C45-A
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Table of Contents
GENERAL ..............................................................................................................................................................III
Glossary...........................................................................................................................................................iii
Terms and Conventions....................................................................................................................................vi
MOSCAD RTU And ToolBox Software Version Policy ...................................................................................vii
Applicable Documentation...............................................................................................................................viii
Model Complements.........................................................................................................................................ix
Options.............................................................................................................................................................x
Accessories.......................................................................................................................................................xi
HE MOSCAD SYSTEM -OVERVIEW................................................................................................................... 1
T
The MOSCAD System ......................................................................................................................................1
Control Center ..............................................................................................................................................................1
Remote Terminal Unit (RTU)....................................................................................................................................... 2
Communication Processor/MODBUS (MCP-M).........................................................................................................2
Communication Processor/TCP/IP (MCP-T)................................................................................................................2
ToolBox for MOSCAD RTUs ...........................................................................................................................3
Features and Functions.................................................................................................................................................3
The RTU Programming Concept.................................................................................................................................. 3
Programming Sequence................................................................................................................................................ 4
RTU Definition.................................................................................................................. ........................................... 4
Communication Network..................................................................................................................................6
The RTUs and the Network..........................................................................................................................................7
Communication Links...................................................................................................................................................7
Communication Types.................................................................................................................................................. 7
Network Configurations ...............................................................................................................................................8
Starting a ToolBox Application........................................................................................................................ 15
Entering the Password .................................................................................................................................................. 15
Changing the Session Password.................................................................................................................................... 15
THE TOOLBOX FOR MOSCAD RTUS...................................................................................................................16
Hardware and Software Requirements ............................................................................................................16
Installing ToolBox............................................................................................................................................16
Connecting ToolBox to RTU ............................................................................................................................16
A Brief Tour .....................................................................................................................................................16
The RTU....................................................................................................................................................................... 16
Database Principles....................................................................................................................................................... 18
Programming Philosophy..............................................................................................................................................20
The Tools..........................................................................................................................................................22
Site Configuration (MOSCAD-L).................................................................................................................................23
Network Configuration................................................................................................................................................. 25
Application Programmer .................................................................................................................................26
Database Builder........................................................................................................................................................... 28
Process Programming................................................................................................................................................... 28
I/O Link ........................................................................................................................................................................29
Compiler....................................................................................................................................................................... 30
Downloading and Monitoring....................................................................................................................................... 31
REMOTE TERMINALUNIT......................................................................................................................................32
The RTU Hardware..........................................................................................................................................32
i
CPU Module................................................................................................................................................................. 32
I/O Modules.................................................................................................................................................................. 38
RTU Software...................................................................................................................................................38
MDLC C
OMMUNICATION PROTOCOL...................................................................................................................40
Physical Layer..................................................................................................................................................41
Link Layer ........................................................................................................................................................41
Network Layer..................................................................................................................................................42
Transportation Layer .......................................................................................................................................42
Session Layer ...................................................................................................................................................42
Presentation Layer...........................................................................................................................................43
Application Layer.............................................................................................................................................43
ii
General
Glossary
This list of terms consists of abbreviations, acronyms and specialized words used in this
manual.
Acronyms and Abbreviations
ACK Acknowledge
AGA American Gas Association
ASL Arithmetical Shift to Left
ASR Arithmetical Shift to Right
BCD Convert to BCD Format
BIN Convert to Binary Format
CD Carrier Detect
COS Change of State
CPU Central Processing Unit
CPY Copy
CRC Cyclic Redundancy Check
CTD Count Down
CTS Clear to Send
CTU Count Up
DBB Data Base Builder
DCE Data Communication Equipment
DFM Direct Frequency Modulation
DOF Delay Off
DON Delay On
DPL Digital Private Line
DPSK Differential Phase Shift Keying
DSP Digital Signal Processing
DSR Data Set Ready
DTE Data Terminal Equipment
DTR Data Ready
EGU Engineering Units
FEP Front End Processor (MCP-M, MCP-T, or FIU)
FIU Field Interface Unit
FSK Frequency Shift Keying
GND Ground
GPS Global Positioning System
HDLC High -level Data Link Communication
HW Hardware
I/O Input/Output
IGC/M IBM Graphic Center for MOSCAD (old)
IMP Integrated Multiprotocol Processor
INTRAC Two-layer (32 bits) protocol
iii
General
JMP Jump
JSP Jump To Subprocess
LED Light Emitting Diode
LSL Shift to Left
LSR Shift to Right
MCP-M Motorola Communication Processor – MODBUS
MCP-T Motorola Communication Processor – TCP/IP
MDLC MDLC Motorola Data Link Communication (Seven-layer OSI protocol)
MEIC Previous generation RTU type
MMI Man Machine Interface
MODBUS MODICON BUS Protocol
MOSCAD Motorola SCADA
MOSCAD-L Motorola SCADA-Light
MOVE Move Value
MOVH Move High
MTE Multi Task Environment
NACK Negative Acknowledge
N.C. Normally Closed
N.O. Normally Open
NEMA National Electrical Manufacturers Association (issues enclosure
standards)
OSI Open System Interconnection
OVF Overflow
PC Personal Computer
PID Proportional Integral Derivative
PL Private Line
PLC Programmable Logic Controller
PPH Pulse per Hour
PPS Pulse per Second
PSTN Public Switching Telephone Network
PTT PushtoTalk(buttononradio)
RAM Random Access Memory
RET Return
RF Radio Frequency
ROM Read Only Memory
ROR Rotate to Right
RNR Receive, Not Ready
RR Receive, Ready
RST Reset
RTS Request to Send
RTU Remote Terminal Unit (can be MOSCAD or MOSCAD-L)
RUNP Run Process
RX Receive
SCADA Supervisory Control and Data Acquisition
SW Software
TDPSK Trunked Differential Phase Shift Keying
iv
TRT Retentive Timer
TX Transmit
UART Universal Asynchronous Receiver Transmitter
UCL User Call Function
UDF Underflow
XTAL Crystal
Definitions
Upload Load a block of data or code, from the RTU to the ToolBox
Download Load a block of data or code, from the ToolBox to the RTU.
General
v
Terms and Conventions
The MOSCAD RTU is shipped in two versions, MOSCAD RTU and MOSCAD-L RTU.
Most of the features described in the MOSCAD documentation are common to MOSCAD
and MOSCAD-L. Throughout the documentation the terms “RTU” and “MOSCAD” refer
to the “generic” system. Differences are indicated by specific references to MOSCAD and
MOSCAD-L.
RTUs and MCP/Ms are “sites”. In the MOSCAD documentation, references to “site”
generally mean “RTU” and vice-versa. The MCP/M is a central adapter between SCADA
and the field.
The MOSCAD ToolBox package consists of several Windows 95/NT applications, such as
Site Configuration and Application Programmer. Throughout the MOSCAD
documentation the application names are printed in initial capitals.
Some features are valid from a certain version of Programming ToolBox. as specified
using the ≥ Va.b notation. See MOSCAD RTU And ToolBox Software Version Policy.
General
vi
MOSCAD RTU And ToolBox Software Version Policy
The version numbers of the Programming ToolBox and MOSCAD RTU system software
are updated according to additional features and improvements.
Compatibility (at source level) between the Programming ToolBox and the MOSCAD
RTU is assured only if the version number of the Programming ToolBox Software is later
than the version number of the MOSCAD RTU system software.
A version number is composed of two numbers, as in the following example: V1.61. The
one-digit number to the left of the decimal point describes a major modification of the
software, while the two-digit number to the right of the decimal point describes a minor
modification.
In this manual, some headings of major subjects are marked by the following annotation:
≥
Va.b.
For example, ≥ V1.61 indicates that the marked subject is supported by an RTU whose
MOSCAD software version number is at least 1.61.
General
This numbering convention applies to MOSCAD-L as well, except for the versions below:
If no version number is specified, then that feature is supported by all versions of
MOSCAD and MOSCAD-L.
MOSCAD-L Version Supported by
ToolBox Version
1.0x 5.01
2.0x 6.00
2.40 6.50
vii
Applicable Documentation
The MOSCAD system includes the following manuals:
• ToolBox for MOSCAD RTUs, MOSCAD Programming ToolBox - Overview,
Motorola publication no. 68P02956C45
• ToolBox for MOSCAD RTUs, MOSCAD Programming ToolBox - System Setup &
Diagnostic Tools,
Motorola publication no. 68P02956C50
• ToolBox for MOSCAD RTUs, MOSCAD Programming ToolBox - Application
Programmer,
Motorola publication no. 68P02956C55
• ToolBox for MOSCAD RTUs, MOSCAD Programming ToolBox - Third Party
Protocols Support, Modbus and Allen Bradley,
Motorola publication no. 68P02956C70
• ToolBox for MOSCAD RTUs, MOSCAD Programming ToolBox C Toolkit,
Motorola publication no. 68P02956C75
General
• ToolBox for MOSCAD RTUs, MOSCAD Programming ToolBox - AGA8 Gas Flow
Calculations,
Motorola publication no. 68P02957C10
• MOSCAD RTU Service manual,
Motorola publication no. 68P02991G90
• MOSCAD RTU Owner's manual,
Motorola publication no. 68P02994G10
• MCP/M User’s Manual,
Motorola publication no. 68P02945C05-0.
viii
Model Complements
F2316 MOSCAD Programming ToolBox
FVN4126 Program Software Package on CD-ROM + Manuals
FLN6457 RS232 T e rminal Adapter Cable + Adapters
General
ix
Options
V377 Third Party Protocols
V378 AC Analyzer Toolkit
V284 AGA8 Gas Flow Calculations
V212 Master Key Diskette
V385 X.25 option for ToolBox
V204 MDLC over IP option for ToolBox
General
FVN4119 Third Party Protocols
FVN 4335 AC Analyzer Toolkit
FVN 4334 AGA8 Gas Flow Calculations
FVN 4396 Master Key Diskette
FVN 4730 X.25 option for ToolBox
FVN 4782 MDLC over IP option for ToolBox
x
Accessories
FVN1710 Upgrade ToolBox
FVN4126 Program Software Package on CD-ROM + Manuals
FVN4334 AGA8 Gas Flow Calculations + Manual
FVN4119 Third Party Protocols
FVN4335 AC Analyzer Toolkit
FVN4396 Master Key Diskette
FLN2391 “C” Toolkit Package + Manual
General
xi
The MOSCAD System - Overview
MOSCAD Programming ToolBox is a package of computer programs that builds
sophisticated distributed SCADA (Supervisory Control and Data Acquisition) systems
for a wide range of applications.
The MOSCAD (Motorola SCADA) system consists of remote terminal units (RTU)
and one or more computerized control centers, connected to a communication network
via the Communication Processor/TCP/IP (MCP-T) or the Communication
Processor/MODBUS (MCP-M). The Programming ToolBox software package runs
on a Pentium 100 (or more powerful) computer.
The main function of the Programming ToolBox is to define and maintain the
MOSCAD system according to user needs and requirements.
The Programming ToolBox also enables the engineer to program/download the
application program to be executed in the RTU and to perform debugging in each
RTU, using a symbolic (graphic) debugging tool. The Programming ToolBox may be
operated either locally by direct connection to the selected unit’s computer port, or
remotely, by connection to a computer port of any other RTU in the system (MCP-M,
MCP-T, or RTU) via the system communication network.
By connecting the Programming ToolBox to a computer port of one of the RTUs,
MCP-Ms, or MCP-Ts in the system, you can program or service that specific RTU or
any other RTU in the system.
The MOSCAD System
The entire control system is comprised of the SCADA central computer as a master
station, communicating with RTUs over various communication links, such as
conventional radio, trunked radio, microwave, wireline, or dial system (telephone).
The communication system is used for transmitting alarms, status information,
telemetric readings, calculated data, diagnostics, and error logging information from
the RTUs to the central facility computer and vice versa. It is also used for
downloading, monitoring, and debugging the application program at the site.
The system can be relatively simple, comprising several RTUs and a control center, or
a more complicated hierarchical system, where several sub-centrals communicate with
lower, parallel and higher hierarchies. The RTUs may also communicate with each
other and/or with any other hierarchy in the system.
Control Center
The control center computer, with the user i nterface, provides the user with full
graphic control of the RTUs’ operation, including database and parameter changes,
and on-line application monitoring for the system engineer. The central computer and
MCP-M communicate using the MODBUS protocol; MCP-T uses the TCP/IP
protocol.
1
One of the functions of the control center is to exchange data with the RTUs. It may
interrogate the RTUs for any portion of their database. Multiple interrogation
(polling) cycles operate with different priorities and by different trigger mechanisms
(time or events).
Remote Terminal Unit (RTU)
The RTU is a smart modular unit designed to operate as a stand-alone controller or as
part of a system having any number of RTUs, control centers, and sub-centrals
connected through a communication network with any number of links and nodes.
The RTU is configured and loaded with the appropriate application using the
Programming ToolBox.
The RTU is a microprocessor-based unit, which consists of a CPU module and various
I/O and communication modules. The very wide range of I/O and communication
modules makes the MOSCAD system flexible to satisfy any application requirements.
MOSCAD-L, on the other hand, is a lighter version with a limited number of I/O
modules and fewer features.
The MCP-M and the RTUs communicate using the MDLC protocol, based on the
seven layers of the OSI (Open Systems Interconnection) model published by ISO, and
adapted for SCADA communications. The protocol provides network support and
multiple logical channels per physical port, enabling simultaneous central-to-RTU and
RTU-to-RTU sessions. It also enables each RTU to simultaneously run several
communication sessions, such as data exchange, on-line monitoring, diagnostics, etc.
The MOSCAD System - Overview
The RTU is discussed in more detail later in this manual. For technical information,
consult the Owner’s manual and the Service manual.
Note that throughout the ToolBox documentation, the terms RTU and unit are used
interchangeably.
Communication Processor/MODBUS (MCP-M)
The MCP-M is an intelligent, intermediary unit that ensures communications between
the control center and the RTUs. Its pre-loaded application and database allow it to
perform tasks independently, at times when the control center is not active. The MCPM application and database are dedicated to collecting data from the field and
performing scheduling tasks.
The MCP-M is installed in the control center and does not require any further
programming: the user only customizes the unit by setting parameters. It can be
configured using a ToolBox of its own, which differs from the ToolBox for RTUs
covered in this manual.
The communication processor does not have independent I/O capabilities. Any data
collection and assessment needs that may arise in the control center premises are met
by an additional RTU that is connected to the network like any remote terminal on the
field.
2
Communication Processor/TCP/IP (MCP-T)
The MCP-T replaces the MCP-M where only a router that converts TCP/IP (over
Ethernet) to M DLC and vice versa, is needed. Unlike MCP-M, it does not have a
database or any control capabilities.
ToolBox for MOSCAD RTUs
This section is a brief review of Programming ToolBox, the software package used to
configure an RTU system and to build an application.
Features and Functions
The following are the main features of the Programming ToolBox:
• Configuring the RTU sites, configuring the network, building and maintaining the
application database and flow
• Preparing project documentation for the user
• Automatically creating a “central file” to be used later during RTU database
creation in the MCP-M.
The MOSCAD System - Overview
• Performing the following functions on any RTU either via local connection or via
the communication network:
Downloading and uploading the site configuration and related data
Downloading the application and the network configuration
Downloading and uploading the compressed source
Downloading C blocks which are run by the application
Downloading the phone book
Downloading the third-party protocol
Real-time symbolic (graphic) monitoring and debugging of the application (both
database and process)
Updating the time and the date in RTU sites
Testing all hardware modules, including software calibration of analog inputs and
outputs
Testing radio channels
Retrieving time-tagged events (of very high resolution) logged in the RTUs
Synchronizing the system clock according to MCP-M’s or FIU’s time
Retrieving errors logged in the RTUs (hardware or software malfunctions)
Capturing the data packets on the communication links and analyzing the seven
layers of the MDLC protocol
System software diagnostics by object entity names
The RTU Programming Concept
The various circles illustrated below describe the RTU in layers. The first layer is the
RTU hardware that is the base for the system software and application (including
configuration) software. When the application software runs, the RTU database is
updated.
3
The MOSCAD System - Overview
The following figure shows different ways of accessing and modifying each of the
RTU layers, using the Programming ToolBox:
• Locally by direct connection to the RTU
• Remotely via the communication network
p
Programming Sequence
The definition of the RTU application allows the system engineer to build a database
as a set of tables. The tables used for the RTU database definition are the basis for
process programming, I/O link definition, automatic central database definition, realtime monitoring of the RTU’s operation, etc.
Once the database is built, the RTU application is created using the symbolic Motorola
Advanced Ladder Diagram Language. These symbolic definitions are later used for
monitoring and debugging.
The necessary RTU application documentation is automatically produced, including
automatic insertion of notes into the produced documents.
After downloading the application to the RTU, the control program of the terminal
controls the RTU run-time operations. The Programming ToolBox terminal then
allows the system engineer to perform any required operation.
RTU Definition
The RTU definition is carried out in three stages, stored as corresponding sections in
the RTU:
• Site configuration - defining the I/O modules mounted on the RTU, the unit’s ports,
and the site address.
• Network configuration - for defining the communications network structure.
• Application program - building the application database and flow.
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