Schneider Electric SE-F700-USR User Manual
Saitel DP
Backplane & Chassis RTU
User Manual
This manual provides general information about Saitel DP Platform, including
installation, wiring and other useful data for installers and designers.
SE-F700-USR
Publication Date (06/2020)
Read carefully the information contained in this manual before assembly, installation and use of the
equipment.
www.schneider-electric.com
30/06/2020
User Manual – Saitel DP Platform
01
30-06-2020
Initial edition.
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Change Control
Rev Date Description
General Information
The Saitel platform and all its components have been developed in accordance to the requirements
for a quality management system, complying with the ISO 9001:2015 Norm.
Document nº: SE-F700-USR
Revision/Date: 01 / 30-06-2020
File: Saitel DP Platform – User Manual_EN_01.pdf
Retention period:
Reference Documents
Permanent throughout its validation period + 3 years after its
cancellation.
User Manual Document Code
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Software Version in this Manual
The information in this manual is valid for the software versions listed below. This information is
also valid for later versions, although some parameters may change slightly:
Module Description Version
Baseline Software Platform Baseline packaging 11.06.14
Operating System Linux 20.01.24.12.26.34
laqBinC Local Acquisition 10.00.02
thm Synchronization 06.00.02
coreDb coreDb 10.01.11
chan Channels 03.00.20
formBinC Formula 10.00.13
webServer Web server 03.03.02
webApp Web interface 01.00.27
supBinC Supervision 10.01.21
soeBinC Sequence of Events 10.00.07
ST_SER_C0.bin SM_SER firmware 01.00.08
ST_DO32T_C0.bin SM_DO32T firmware 01.00.04
ST_DI32_C0.bin SM_DI32 firmware 01.00.06
ST_AI16_C0.bin SM_AI16 firmware 01.00.03
ST_AI8AO4_C0.bin SM_AI8AO4 firmware 01.00.03
ST_DO16R_C0.bin SM_DO16R firmware 01.00.02
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Content
1 SAFETY & HEALTH .................................................................................................. 5
2 SAITEL DP FAMILY ................................................................................................ 16
3 BASELINE SOFTWARE IN SAITEL DP ................................................................. 45
4 PHYSICAL MOUNTING & INSTALLING ................................................................ 58
5 CONFIGURATION & MAINTENANCE .................................................................... 99
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1 Safety & Health
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Content
1 SAFETY & HEALTH .................................................................................................. 5
1.1 INTRODUCTION ........................................................................................................ 7
1.1.1 I
1.1.2 P
1.2 I
1.3 S
1.4 I
1.5 E
1.5.1 E
1.5.2 F
1.6 H
1.7 T
1.7.1 P
1.7.2 E
1.7.3 S
1.8 T
1.9 P
1.10 D
NFORMATION OF SECURITY .............................................................................. 7
RESENTATION ................................................................................................ 8
NTRODUCTION TO SAFETY ....................................................................................... 8
YMBOLS AND LABELS ON THE EQUIPMENT ............................................................. 9
NSTALLATION, SETUP AND OPERATION ................................................................. 10
ARTHING ............................................................................................................. 11
LECTRICAL SAFETY ...................................................................................... 12
UNCTIONAL EARTH (EMC) ............................................................................ 12
ANDLING ELECTRONIC COMPONENTS .................................................................. 13
ECHNICAL SPECIFICATIONS FOR SAFETY .............................................................. 13
ROTECTIVE ELEMENTS ................................................................................. 13
NVIRONMENTAL CONDITIONS ........................................................................ 14
TORAGE CONDITIONS ................................................................................... 14
ECHNICAL LABEL ................................................................................................. 14
ACKING AND UNPACKING ..................................................................................... 15
ECOMMISSIONING AND DISPOSAL ......................................................................... 15
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DANGER indicates a hazardous situation which, if not avoided, will result in death or serious
WARNING
WARNING indicates a hazardous situation which, if not avoided, could result in death or
NOTICE
NOTICE is used to address practices not related to physical injury. The safety alert symbol shall
WARNING
If this equipment is used in a different form from the recommended one by Schneider Electric,
the protection assured for the equipment could be compromised .
1.1 Introduction
1.1.1 Information of Security
Important information
The illustrations shown in this manual are intended for exemplary purposes. As there are variables
and requirements which depend on each particular installation, Schneider Electric will not be held
responsible for the misuse of the equipment based on the examples herein published
Read these instructions carefully and look at the equipment to become familiar with the device
before trying to install, operate, service or maintain it. In this manual you can find different types of
messages associated with situations that have different level of risk for people and / or for the
equipment.
injury.
This symbol indicates "DANGER" or "WARNING". This symbol informs of an
electrical risk that will cause personal injuries if the instructions are not followed.
This symbol is associated to a safety alert. It is used to warn of possible personal
injury hazards. The user must follow all instructions or messages associated to this
symbol to avoid possible injuries.
DANGER
serious injury.
not be used with this signal word.
Restricted Liability
Electrical equipment should be serviced and maintained only by qualified personnel. All person
who can contact the equipment must be informed and must read the chapter “Safety & Health” of
this manual.
No responsibility is assumed by Schneider Electric for any consequences arising out of the use of
this manual. This document is not intended as an instruction manual for untrained persons.
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Before carrying out any work on the equipment the user should be familiar with the
WARNING
Before working with the terminal of connection, the device must be turned off and disconnected
To Keep in Mind
Electrical equipment should be installed, operated, serviced, and maintained only by qualified
personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of
the use of this material.
A qualified person is who fulfill with requirements in 1.2 .
1.1.2 Presentation
This manual provides information for a safe handling, commissioning and testing. This Safety
chapter also includes descriptions of the labels on the equipment.
Documentation for equipment ordered from Schneider Electric is dispatched separately from
manufactured goods and may not be received at the same time. Therefore, this guide is provided
to ensure that printed information which may be present on the equipment is fully understood by
the recipient.
The technical data in this safety guide is typical only, see the technical data section of the user
manual for specific details of a particular equipment.
contents of this Safety chapter and the ratings on the equipment’s rating label.
THE SAFETY SECTION MUST BE READ BEFORE STARTING ANY WORK ON
THE EQUIPMENT.
1.2 Introduction to Safety
The information in this section is intended to get that equipment is properly installed and handled in
order to maintain it in safety conditions. It is assumed that everyone who will be associated with the
equipment will be familiar with the contents of that Safety section.
When electrical equipment is in operation, dangerous voltages will be present in certain parts of the
equipment. Failure to observe warning notices, an incorrect or improper use may endanger
personnel and equipment and also cause personal injury or physical damage.
of the feeding.
Proper and safe operation of the equipment depends on appropriate shipping and handling, proper
storage, installation and commissioning, and on careful operation, maintenance and servicing. For
this reason, only qualified operator may work on or operate the equipment.
Qualified operator are individuals who:
• Have read and understood the information on the device and its user manual.
• Are familiar with the installation, commissioning, and operation of the equipment and of the
system to which it is being connected.
• Are able to safely perform switching operations in accordance with accepted safety engineering
practices and are authorized to energize and de-energize equipment and to isolate, ground,
and label it.
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Symbol
Associated Text
Description
International Electrotechnical Commission (IEC) symbol
Symbol associated with a risk alert. The user must read
American National Standards Institute (ANSI) symbol
Associated symbol to the protective ground connection.
Associated symbol to the functional ground connection.
This symbol indicates that the equipment has been
This symbol indicates that, at the end of its life, this
The equipment has been designed and manufactured
Direct Voltage
Symbol of direct voltage (VDC).
Alternate Voltage
Symbol of alternate voltage (VAC).
• Are trained in the care and use of safety apparatus in accordance with safety engineering
practices.
• Are trained in emergency procedures (first aid).
It is necessary to consider that the documentation of the device collects the instructions for its
installation, set up and operation. However, the manuals could not cover all the possible
circumstances neither include specific information on all the details.
In case of questions or specific problems, contact with his office of sales Schneider Electric or with
the center of attention to the customer and request the necessary information.
1.3 Symbols and Labels on the Equipment
Before the equipment is installed or commissioned, the user must understand the following
symbols, which may be used on the equipment or referred to in the user documentation.
Table 1 – Symbols
associated to a DANGER or WARNING message
Possibility of electric chock
indicating that there is an electrical risk. Failure to follow
these instructions could cause damage to people or
death.
Caution, read the manual.
Possibility of electric chock
Protective earth connection
Functional earth connection
CE Mark
Electronic device. Special
instructions must be follow
for discard it.
Compliant with RoHS.
the manual before handling the equipment.
associated to a DANGER or WARNING message
indicating that there is an electrical risk. Failure to follow
these instructions could cause damage to people or
death.
See paragraph 1.5.1 in this manual.
See paragraph 1.5.2 in this manual.
developed in compliance with all applicable European
Directives.
module must be discarded according to the WEEE
Directive (Waste Electrical and Electronic Equipment).
according to RoHS Directive (Restriction of Hazardous
Substances).
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DANGER
Devices that handle dangerous tensions are marked with a sticker on the front label (size: 12,5
WARNING
If this type of cabinet isn't available, a barrier must be installed in order to avoid an accidental
1.4 Installation, Setup and Operation
The user is responsible for reading and following the device’s operating and installation instructions
before attempting to commission or maintain it. Failure to follow these instructions can affect device
operation and constitute a hazard for people and property.
There are several acquisition blocks in Saitel DP that use high voltages (> 50 V). The user is
responsible to check that the characteristics of each equipment are adapted and convenient for his
installation.
Not following these instructions can be dangerous for the people and the equipment.
mm). This label must be visible when the module’s door is open, and the field connectors are
accessible.
The following products handle dangerous tensions:
• SM_PS40: Power supply module (P/N: M5084x000x and M5085x000x).
• SM_DI32: Digital inputs module (P/N: M583x0000x).
• SM_DO32T and SM_DO16R: These modules do not handle high voltages, they will not be
marked at the factory. These modules must be marked with an electric risk label when some
equipment that manage voltage higher than 50 V are connected to digital outputs.
It is recommended to install the RTU inside a cabinet with a key. This cabinet only should be
opened by a qualified person.
contact with these dangerous elements. This barrier only should can be removed using a
special tool.
If the barrier has to be removed in order to access to equipment, personnel responsible for the
task must be sure that the barrier is installed again when the task is finished.
While the RTU is accessible for a user, all people must follow all instructions to prevent
electrical risk or discharges.
Not following these instructions can give like result that the device do not work properly
or even can damage to the people or devices.
An electrical risk symbol with enough size must be included on the cabinet’s door or
on the barrier.
The following image shows an example:
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WARNING
If the barrier has to be removed in order to access to equipment, personnel responsible for the
NOTICE
The cabinet must remain closed with key or the protection barrier installed after the installation is
WARNING
Don’t use liquid products of cleanliness due to the presence of active parts.
WARNING
Figure 1 – Barrier of protection for elements with dangerous voltages.
task must be sure that the barrier is installed again when the task is finished.
While the RTU is accessible for a user, all people must follow all instructions to prevent electrical
risk or discharges.
Not following these instructions can give like result that the device do not work properly or
even can damage to the people or devices.
Terminals will not be accessible to the user directly once it has made the installation of the
equipment.
finished.
The cabinet or installation must have a general switch placed just in the cable entry of the
installation (see paragraph 1.7.1 )
For the cleaning of the equipment, it is recommended to remove the power and to use only a dry
cloth by the surface when it detects excessive presence of dust or any element deposited on the
surface.
Because of the variety of uses of the product, the managers of the application and use of this
controller device will have to take the measures to ensure the fulfillment of all the requests of
security and provision of each application. The requests do reference to the applicable laws,
regulations, codes and standard.
1.5 Earthing
Before energizer the device, it has to be placed to earth properly such as it indicates in this
section. When installing the device, ground is the first thing that should be connected and the
last one that should be disconnected.
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DANGER
Hazardous voltages can cause shock, burns or death. Disconnect and lockout all power
WARNING
According to the electrical safety standards:
Saitel can need put to earth for two distinct needs:
• For purposes of electrical safety (Protective Earth, PE).
• Improve the behavior in Electromagnetic Compatibility (EMC) and derive perturbations to earth
(functional Earth).
1.5.1 Electrical Safety
Only qualified personnel, with knowledge about hazards associate with electrical equipment is
allowed to install Saitel DP. In general, the installation will be following IEC 61010-1
recommendations in order to be compliant with this norm.
When Saitel DP is mounted on back-panel, the metallic enclosure of the backplane
must be connected to the ground of the cabinet or installation according to the norm
IEC 61010-1. When Saitel DP is mounted on a chassis, this chassis must be
connected to the ground of the installation.
Saitel DP modules have a plastic enclosure offering protection for isolation faults. Earthing
sources before servicing and to dismount modules.
A dedicated connection with green/yellow wire should be used to have electric continuity to the
installation protective earth. Use a wire with adequate section according to IEC 61010.
Figure 2 - Example of yellow/green cable for earthing.
The design and installation of the cabinet is responsible for compliance with all the existing
international and national electrical codes concerning protective grounding of any device.
• The screw for ground must be exclusive for this use.
• The power voltage must be supplied by a power supply that offers double or reinforced
insulation against dangerous voltages.
1.5.2 Functional Earth (EMC)
A rear connector available in each module allows the bus connection and it offers protection in
case of electric derive. The EMC grounding is implemented via three pins of this connector.
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WARNING
Never connect modules on the backplanes if the power supply hasn’t been disconnected of all
WARNING
The enclosure ONLY should be removed when is strictly necessary, because this action has a
WARNING
The connection / disconnection switch must be installed in a fixed element (for example the wall
circuits with high voltages.
The only modules with a ground connection are the power supplies (SM_PS and SM_PS40). Both
must be connected to the ground of the cabinet.
1.6 Handling Electronic Components
Saitel is susceptible to receive electrostatic discharges during the handling. It is necessary to take
the usual measures to minimize this risk, since serious damage to the equipment can be caused,
which may not be detected immediately but which may affect the reliability of the product.
risk for the equipment:
• Before removing the enclosure, the operator must be equipotential with the equipment.
• Avoid touching the electronic. The board must be always manipulated for the edges.
• If the equipment has to be passed between two persons, both must be equipotential.
• Put the module always on an antistatic surface or on a surface equipotential with you.
• During the storage and transport, the module will remain in the packaging.
Not following these instructions can give like result that the equipment do not work
properly or even can damage the people or equipment.
1.7 Technical Specifications for Safety
1.7.1 Protective Elements
The cabinet's engineering and installation must include a general automatic switch next to the
cables' input in the cabinet; once the door is opened, high voltages must be interrupted inside. This
switch must be located at a place which is not accessible by a third person while the operator is
using the boards in the cabinet.
Moreover, the installation will incorporate a circuit breaker of 5A next to the cabinet protecting it
from possible overcurrent in the power supply.
Both switches will be labeled with the symbol O as "Off" and I as “On”.
of the cabinet) and it mustn’t break any earthing wire.
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WARNING
This equipment has been designed ONLY for indoor use.
1.7.2 Environmental Conditions
The protection degree of the device is IP20.
It is designed only for indoor use. If necessary for use in an outdoor environment, it must be
mounted in a specific cabinet providing an IP54 degree of protection (typical and minimum for
ATEX conditions), that is, protected against dust and water splashes.
The electronic cards of the modules will be able to be tropicalized or no according to the option of
setting chosen. The tropicalized used is the AVR80, of the company ABchimie. It can consult all the
technical information of this type of finishing in http://www.abchimie.com/
Other data to take into account about the environmental are:
• Altitude until 2000 m.
• Operation temperature range: Between -40 ºC and 70 ºC. (IEC 60068-2-1 and IEC 60068-2-2).
• Maximum relative humidity of 95%. (IEC 60068-2-30)
• Degree of pollution II. (IEC 60255-5)
.
• Overvoltage transitory until levels of Category III. (IEC 60255-5)
1.7.3 Storage Conditions
The continuous exhibition to some high levels of humidity during the storage can cause damages
to the electronic components and reduce the useful life of the device.
It is recommended that, in the enclosure of storage, the relative humidity do not exceed 50%.
Before the installation of an electrical equipment, it is recommended to leave the necessary time for
the acclimatization of the environmental temperature.
1.8 Technical Label
Each Saitel product includes a technical label with the following information:
Figure 3 - Technical label.
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NOTICE
On the “Technical data” zone, you can see relevant information about the input and output
NOTICE
Our products leave our factory in closed, sealed original packaging. If at receipt of the delivery
WARNING
Only a qualified person should change the battery when is necessary, and the same model of
voltage in the module. Any voltage greater than 50 V must be consider as a high voltage.
1.9 Packing and Unpacking
All Saitel modules are packaged separately in their own carton box and shipped inside outer
packaging. Use special care when unpacking the device. Don’t use force.
the transport packaging is open or the seal is broken, the confidentiality and authenticity of the
information contained in the products cannot be ensured.
The design revision and manufacturing options can be determined using the P/N included in the
packaging label on packaging.
After unpacking the device, inspect it visually to be sure it is in proper mechanical condition.
If the product needs to be shipped, the original packaging must be used, including foams and the
carton box. If the original packaging is no longer available, make sure that the packaging used is
according to ISO 2248 specifications for a drop height 1 m.
1.10 Decommissioning and Disposal
Saitel products are marked with this symbol, it means that, at the end of its life cycle,
you mustn't dispose the product together with habitual residues. To avoid the
possible damage to the environment or to the human health that represents the
uncontrolled elimination of residues, please, separate the battery (if there is one) of
the other elements, and each one must be recycled according to the local regulation.
SM_CPU866e module includes a Lithium battery NOT rechargeable. More information about the
model in the technical data table included in the SM_CPU866e user manual.
battery must be used. More information in the technical specifications table at the end of each
user manual.
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2 Saitel DP Family
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Content
2 SAITEL DP FAMILY ................................................................................................ 16
2.1 FIRST APPROACH .................................................................................................. 18
2.2 S
2.3 T
2.4 P
2.5 R
2.6 RTU
AITEL DP MODULES ............................................................................................ 19
2.2.1 G
2.2.2 C
2.2.3 LED
2.3.1 CPU
2.3.2 C
2.3.3 I/O
2.3.4 O
2.4.1 S
2.4.2 RTU
2.5.1 P
2.5.2 CPU
2.5.3 A
2.5.4 S
2.5.5 R
ENERAL FEATURES ...................................................................................... 19
ONFIGURATION SWITCHES ............................................................................ 19
INDICATORS ........................................................................................... 20
YPES OF MODULES .............................................................................................. 21
MODULES .............................................................................................. 21
OMMUNICATION MODULES ............................................................................ 21
MODULES ................................................................................................. 22
THER MODULES ........................................................................................... 24
ROFIBUS & SAITEL DP ......................................................................................... 26
YSTEM BUSES .............................................................................................. 26
BASIC FUNCTIONS .................................................................................. 28
EDUNDANT CONFIGURATIONS IN SAITEL DP ......................................................... 30
OWER SUPPLY REDUNDANCY ....................................................................... 30
REDUNDANCY ........................................................................................ 34
CQUISITION BUS REDUNDANCY ..................................................................... 39
YSTEM’S DUALITY ......................................................................................... 40
ECOMMENDATIONS ....................................................................................... 41
EXPANSION ................................................................................................... 42
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2.1 First Approach
The Saitel DP platform is a complete set of devices provided by Schneider Electric for real-time
control applications and power line automation. It is a high-technology platform which gives a
solution to the business areas of Schneider Electric.
Figure 4 – Saitel DP in chassis and backplane.
Saitel DP’s design has been optimized to meet the most demanding requirements of multiple
sectors:
• Cost-efficiency, minimum downtime, and compliance with electrical safety, electromagnetic
compatibility and environmental standards.
• Safety and reliability requirements for power, gas, water, residual water supply, etc.
• Centralized monitoring and control of geographically-distributed systems which support
hierarchical data acquisition and redundant networks.
• Local monitoring and control with data sharing capabilities of plant-distributed devices.
• Quick troubleshooting by means of programmable automation execution.
• One of the most remarkable features of Saitel DP is its modular design. All I/O, CPU, power
supply and communication modules have an identical format, sharing the same enclosure.
Figure 5 – Saitel DP architecture.
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Never open the module’s enclosure. Never install an electronic board without the plastic
2.2 Saitel DP Modules
The Saitel DP electronic modules have been designed to operate in aggressive industrial
environments, complying with the highest standards, such as Electromagnetic compatibility (EMC).
The low-consumption design allows modules to operate without a forced ventilation system, which
creates a wide range of possible applications.
2.2.1 General Features
The next figure shows an example of a Saitel DP module:
Figure 6 – Saitel DP module
The modules have a plastic enclosure that especially it is designed to facilitate the insertion and the
wiring of the modules. The level of protection provided by the enclosure is IP20connections and
disconnections.
enclosure.
Internally, all modules are electrically connected to the backplane using a 48-pin connector on the
rear side. In relation to the connection with external devices, all the elements required for the
module’s operation and maintenance tasks are located on the front side.
2.2.2 Configuration Switches
The modules integrate a 12-position switch on the rear side. The function of these switches
depends on the module type, but in general, it is used to set the addresses and communication
rate.
Figure 7 – Module’s configuration switches
DANGER
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2.2.3 LED Indicators
The Saitel DP modules include some visible LEDs (light emitting diodes) on the front side. All
acquisition modules have common LEDs, and the rest are specific for each module, which are
detailed in the corresponding user manual.
The front panel of each acquisition module has a red indicator DIA and a green indicator RUN. The
module performs a self-check during the start-up process. When successful, the red indicator is
switched off and the green indicator displays the module’s configuration status.
If any problem is detected, the red indicator DIA is switched off. The meaning of these LEDs
depends on the module type and it is explained in the user manual for each module.
This information will only be valid if the module is completely configured and operational.
Figure 8 – LED indicators
Consult the module’s user manual for more information regarding interfaces, configuration switches
and led indicators.
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2.3 Types of Modules
2.3.1 CPU Modules
SM_CPU866e – High-Performance CPU
• OS: Linux.
• Web tool: webApp.
• Ethernet ports: 4 (copper or fiber optic).
• USB port and SD card.
• Synchronization: GPS / SNTP / IRIG-B / Protocol.
• Serial communications: 4 ports (RS-232 / RS-485).
• Watchdog output.
• Command console tool: RJ-45 port.
• Cybersecurity
2.3.2 Communication Modules
SM_SER – Communication module
• 8 serial ports.
• RJ-45
• Synchronous and asynchronous communications
• Synchronization from SM_CPU866e.
• RS-232 / RS-485 / RS-422
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2.3.3 I/O Modules
The following I/O modules are available:
SM_DI32 – Digital Inputs
• 32 digital inputs (single/double/slow
counter)
• Two removable connectors.
• Field connection: Terminal blocks or
Flat Ribbon
• Auto-range for DI polarization. Available
ranges:
o 12 - 24 VDC
48 - 60 V
o
o 110 - 125 V
o
220 V
DC
DC
DC
SM_DO32T – Digital Outputs to Transistor
• 32 digital outputs to transistor.
• Two removable connectors for signals.
• One removable connector for polarization (only for field
connection using flat ribbon).
• Field connection: Terminal blocks or Flat Ribbon
• Outputs type: Normally Open or Normally Closed contacts
(configurable in the external terminal lock).
• DO polarization (auto-detected). Available levels:
o 12 V
o 24 V
o 48 V
DC
DC
DC
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SM_DO16R – Digital Outputs to Relay
• 16 digital outputs to relay.
• Two removable connectors for signals.
• Only terminal block is available for field connection.
• Outputs type: SPST or Normally Open contacts.
• Two polarization levels are available for DO. Depending on
the ordering options, polarization input will be:
o B2: 24 VDC
o B3: 48 V
DC
SM_AI16 – Analog Inputs
• 16 analog inputs
o Voltage
o Current (external resistor is
required).
• Two removable connectors for signals.
• Field connection: Terminal blocks or
Flat Ribbon
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SM_AI8AO4 – Analog Inputs
• 8 analog inputs
o Voltage
o Current (external resistor is
required).
• 4 analog outputs
o Voltage (external resistor is
required)
o Current multirange.
• Two removable connectors for signals.
• Field connection: Terminal blocks or
Flat Ribbon
2.3.4 Other Modules
Other modules are available in Saitel DP: power supply, backplanes, chassis and BP2F.
SM_PS40 – Power Supply
Saitel DP includes a power supply module which has been specifically designed to power the
electronic components on the backplanes and provide the required polarization voltage to the
acquisition modules. Saitel DP backplanes also support external power supplies.
• Power input depending on the P/N:
o A2: 24 V
o A3: 48 V
o A4: 110 / 125 V
o A5: 110 / 230 V
• Power output: 5.4 V
• Auxiliary power output: 24 V
.
DC
.
DC
.
DC
.
DC/AC
to the backplane.
DC
DC
, available or not depending
on the P/N.
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SM_BPX – 9-slot or 4-slot Backplane
Saitel DP modules must be mounted on an electronic board named “backplane”. SM_BPX mounts
this electronic board in a metallic enclosure which can be installed in a panel or flat wall.
• Power input: 5.4 V
DC
(if a
SM_PS40 module is not used)
• Two connectors for expansion
and one connector for external
power supply.
• Configuration switches for
Profibus and synchronization
expansion.
• Led indicators for bus
communications and power.
• The number of slots depends of
the P/N:
o A4: 4-slot
o A9: 9-slot
SM_CHX – 19-inch Chassis
The electronic board backplane can be mounted in a 19-inch chassis:
• Power input: 5.4 V
(if a SM_PS40
DC
module is not used)
• Two connectors for expansion and one
connector for external power supply.
• Configuration switches for Profibus and
synchronization expansion.
• Led indicators for bus communications
and power.
• The number of slots depends of the P/N:
o A4: 8-slot (2 x 4-slot)
o A9: 9-slot
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NOTICE
It is important to note that, both the first chassis and the last chassis or backplane, must be
BP2F – Auxiliary Module for Expansion
BP2F (Backplane to Fiber) is a RS-485 to fiber optics converter, specifically designed by Schneider
Electric for the communication between Saitel DP backplanes. This device allows the creation of a
fiber optics bus for communications between backplanes physically far away avoiding distance and
electromagnetic problems.
• Type of fiber optic depending on the P/N:
o A1: 820 nm.
o A2: 650 nm.
• Power input: 5.4 V
DC
.
2.4 Profibus & Saitel DP
2.4.1 System Buses
Each backplane includes a multifunctional bus (Profibus TTL) that covers the power and
intercommunication requirements. This bus is designed to be tolerant to power and communication
failures. Additionally, a Profibus RS-485 is included to support backplane expansion.
The figure below shows schematically the situation of both buses in the system:
Figure 9 – Profibus TTL and Profibus RS-485
configured as bus terminations. See section 4.2 Backplane Modules in this manual.
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These buses integrate the following bus lines:
• Profibus TTL:
o PE - Protection ground.
o PW1/2 – Power bus (primary and redundant).
o PF1/2 (TTL) - Primary and redundant Profibus TTL buses.
o MUX - Serial data bus for communications with the SM_SER module.
o SYN (TTL) - Bus for synchronization for the modules. (Pulse Per Second or PPS).
o SER - Serial bus for synchronization between redundant CPU modules.
• Profibus RS-485:
o PF1/2 (485) - Primary and redundant Profibus RS-485 buses.
o SYN (485) - Bus RS-485 for synchronization for the modules. (PPS).
The figure below shows the buses available in the backplane:
Figure 10 – Buses in a backplane.
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NOTICE
The primary source is used to synchronize the RTU, if available. Otherwise, the secondary
2.4.2 RTU Basic Functions
The control unit (CPU) performs the control functions for the complete system, centralizes the
information acquired by other modules, and executes the programmable logic control,
communication protocols and user-specific applications.
The communication with I/O modules is established by an internal high-speed bus that makes the
system highly reliable even in noisy environments. This bus is implemented in the backplane
Figure 11 – Communication between the CPU and I/O modules.
The CPU module controls and manages the following functions:
Bus Controller
The Baseline software installed in the CPU controls the operation of both, CPU and I/O modules
connected to the backplane.
This control includes:
• Operation mode monitoring. It performs functions as hardware and software Watchdog control,
• Interface with the operator through the console, webApp (for supervision and maintenance)
• Firmware upgrade by SFTP or webApp (using an Ethernet port) or USB 2.0 port.
RTU Configuration
The CPU maintains and manages the information that supports the real-time database, coreDb. In
this database, the I/O signals are related to the communication protocols signals. The configuration
is based on XML files that are generated with the Easergy Builder tool. These files are generated
on a PC and sent to the CPU via an SFTP connection through Ethernet ports.
the states control of the I/O modules and the CPU and the provision of diagnostic information
about the RTU status through LED indicators and several log files. These files can be
consulted by a user with sufficient privileges through SFTP or webApp.
and Easergy Builder (for configuration).
RTU Synchronization
Up to two different synchronization sources can be configured. In this configuration is included the
priority level for each source, so there will be a primary and a secondary source. If both sources
are active, only the primary source will synchronize the system.
source is used.
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The available synchronization sources are:
• GPS: A GPS connected to a serial port. The time received from the GPS is used to set the
system’s clock and the RTC.
• SNTP: A SNTP source through Ethernet. CPU modules can operate as an SNTP client or as
an SNTP server.
• Protocol: Most control protocols allow synchronizing slave devices.
• Console: The user can set the system's time manually from the console terminal.
• IRIG-B: It’s possible to configure the CPU as a server and/or client. The communication always
will be made with IRIG-B compliant devices.
If the synchronization source is not configured, the console device will always be created by
default. The console operates as the lowest priority when another source is configured.
CPU Communications
Saitel DP supports the following communication protocols with field devices:
• IEC101 master and slave.
• IEC103 master.
• IEC104 master and slave.
• DNP 3.0 master and slave.
• Modbus master and slave.
• IEC61850 client, Edition 1 and 2.
• IEC61850 server, Edition 1 and 2.
I/O Acquisition
The CPU manages the information exchange with the I/O modules. This information is sent from
the acquisition module to the CPU through the bus.
The software in the CPU adds the following features:
• Processing I/O information, which offers an added value to the information from field.
• Accessing the internal bus to exchange information with the I/O modules.
Real-time Database (coreDb)
The core of the Baseline Software Platform is the real-time database or coreDb. It is a real-time
database which stores not only the information acquired from field devices, but also the information
about the status of the CPU modules and I/O modules included in the RTU.
coreDb also relates the acquisition signals to the communication protocol signals. This database is
generated in the CPU by using the configuration information.
The information which is received from field in real time is processed, stored in the coreDb and
then related to the communication protocols signals of the RTU, which function is to transfer that
information to the master device.
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coreDb can also have as a source of information the result of a logic, which can be implemented by
a third-party software such as ISaGRAF® or within the database itself witch an internal device of
the type “Formula”.
Consult more information about this functionality in the Easergy Builder user manual.
Cybersecurity
SM_CPU866e is supplied with a standard security policy, complemented with the definition of an
RBAC model (Role-Based Access Control). This model is defined and managed through a special
tool, CAE (EcoStruxure™ Cybersecurity Admin Expert.
2.5 Redundant Configurations in Saitel DP
Due to the wide range of redundant configurations supported by Baseline Software Platform and
Saitel DP, it is necessary to make a detailed analysis in order to determine the concepts applicable
to functionalities and to set a common terminology.
It should be highlighted that redundancy always intends to increase the level of reliability and
availability of the critical elements within a control system.
Redundant configurations are defined to strengthen the following parts of the control system:
• Power supply: This is the first doubled element in the system, since a power supply fails
would mean a total power-off of the system. Power supply units are also devices which transfer
powers, sometimes extremely high and could cause a significant wear of the components. All
Saitel P modules and most auxiliary elements support a redundant power supply.
• CPU: The SM_CPU866 and SM_CPU866e modules allow defining configurations with CPU
redundancy with a high level of flexibility meeting the specific requirements of any system.
• Acquisition bus: The acquisition bus allows the CPU to acquire data from acquisition
modules. Saitel DP backplanes include a double acquisition bus. The CPU module together
with the acquisition modules implement the functions to make an efficient use of these
redundant communications.
• Communication channels: Several master and slave communication protocols support a
double communication channel, which are switched with certain rules according to the protocol.
• System’s duality: All the system’s components are doubled under this configuration. This is
the typical configuration of data hubs and communication front-ends.
Different types of redundancy can be combined in order to make the system as much robust as
possible with doubled elements..
2.5.1 Power Supply Redundancy
Power supply redundancy consist of the use of multiple power supply units for the same backplane.
Thus, the power supply reliability is much improved.
The SM_BPX and SM_CHX backplane have two different power supply options available:
• Power supply using SM_PS40 units
• Power supply using external power supply units.
In both cases, it is possible to have a simple or redundant configuration.
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