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ReLab Software, LLC -- Confidential Information
ReLab Software, LLC -- Confidential Information
ReLab IEC 61850 OPC Solution Avantages
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Full IEC 61850 (client) standard compliance
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Tested with Areva, ABB, GE, Siemens, SEL, and others
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Scaleable: > 100 devices on a single system
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High performance: SEL‐3351 12% CPU with 75 IED’s connected
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Rapid development –
virtually not setup is required
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Offline configuration – CID & SID files, Device replication
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Simultaneous Poll & Buffered/Unbuffered reporting
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Guarantied delivery of Buffered/Unbuffered reports (up to 4ms)
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All MMS writes are supported (single bit write)
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MMS timestamps and qualities are reported to OPC items
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Simple GOOSE configuration
ReLab Software, LLC -- Confidential Information
ReLab IEC 61850 OPC Solution Special Features
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Monitoring of OPC client load
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Substitution of item timestamp with MMS message timestamp
when device is incapable of delivering item timestamp
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Device item quality substitution when device is incapable of
delivering item qualities
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Fully configurable ACSE parameter configuration for certain non‐
compliant devices
ReLab Software, LLC -- Confidential Information
Rapid Development
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For offline configuration select where your CID file is located
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For online configuration specify Poll timeout and IP address
ReLab Software, LLC -- Confidential Information
Buffered & Unbuffered Reports Management
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Configuration – set report enable bit (RptEna) to True trough OPC
client and get your reports with guarantied delivery.
ReLab Software, LLC -- Confidential Information
MMS Write Management
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Single Bit write to ctlVal
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orIndent
populated automatically with system User name and
computer name
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orCat
determines type of write to be executed (for example SBO)
ReLab Software, LLC -- Confidential Information
Simple Goose Configuration<?xml version="1.0" encoding="UTF‐8"?>
<RLBinding Version = "1.0">
<GoCB DomainName = "Dom1" LNName = "Node01" CBName = "GoCB01" Type = "Output" DSName = "Goose1" SendGoID = "true" Revision =
"1" GoID = "GoCB01" >
<Address>
<P type="VLAN‐ID">002</P>
<P type="VLAN‐PRIORITY">4</P>
<P type="MAC‐Address">01‐0C‐CD‐01‐01‐11</P>
<P type="APPID">0000</P>
</Address>
</GoCB>
<GoCB DomainName = "Dom2" LNName = "Node02" CBName = "GoCB02" Type = "Input" DSName = "Goose2" >
<Address>
<P type="VLAN‐ID">003</P>
<P type="VLAN‐PRIORITY">4</P>
<P type="MAC‐Address">01‐0C‐CD‐01‐01‐12</P>
<P type="APPID">0001</P>
</Address>
</GoCB>
<DatSet Name = "Goose1" >
<Element Name = "Name1$fltVal" Type = "FLOAT32" />
<Element Name = "Name1$q" Type = "Quality" />
<Element Name = "Name1$t" Type = "Timestamp" />
<Element Name = "boolVal" Type = "BOOLEAN" />
<Element Name = "charVal" Type = "INT8" />
<Element Name = "shortVal" Type = "INT16" />
ReLab Software, LLC -- Confidential Information
Advanced Features Implementation
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OPC clients management
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Timestamp substitution
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Quality substitution
ReLab Software, LLC -- Confidential Information
Special Features Implementation
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ASCE Called Party Parameters
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ASCE Called Party Parameters
ReLab Software, LLC -- Confidential Information
Best Practices & Performance Typical Substation Configuration
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50 IED’s Substation System (RL61850 single instance)
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100 points per IED (5,000 items total)
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Buffered & Unbuffered reports configuration
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Computer System SEL‐3351 (CPU 1GHz, RAM 1GB)
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CPU Usage <10% ‐
normal operating conditions
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CPU Usage under major event conditions <25% (~ 4,000
item update)
ReLab Software, LLC -- Confidential Information
Best Practices & Performance Large Substation Configuration
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80 IED’s Substation System (RL61850 single instance)
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100 points per IED (8,000 items total)
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Buffered & Unbuffered reports configuration
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Computer System SEL‐3354 (CPU 1.2GHz, RAM 2GB)
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CPU Usage <15% ‐
normal operating conditions
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CPU Usage under major event conditions <30% (~ 7,000
item update)
ReLab Software, LLC -- Confidential Information
Performance Enterprise Solution Configuration
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200 IED’s Enterprise System (RL61850 single instance)
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100 points per IED (20,000 items total)
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Buffered & Unbuffered reports configuration
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Computer System Dell Server (CPU 2 X 3GHz, RAM 4GB)
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CPU Usage <20% ‐
normal operating conditions
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CPU Usage under major event conditions <40% (~ 18,000
item update)
ReLab Software, LLC -- Confidential Information
Best Practices OPC Client Configuration
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When it is applicable Buffered/Unbuffered reports should
be used to limit traffic to OPC Client
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All data is reported in OPC Data Change Event (OPC 2.0)
and therefore OPC synchronous or asynchronous reads
are not required
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The OPC Client needs to support data arrays (OPC 2.0) in
order to process MMS unsolicited reporting
ReLab Software, LLC -- Confidential Information
Best Practices OPC Client Configuration
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OPC Group Update interval should be set to less than the
RL61850 driver poll time
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Unlimited number of OPC clients can be connected to OPC
Server
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Only one OPC Client is capable of enabling
Buffered/Unbuffered reports. Multiple OPC Clients are
capable of receiving unsolicited IEC 61850 reports
ReLab Software, LLC -- Confidential Information
Best Practices Redundancy Configuration
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IEC 61850 Servers (IEDs) supports multiple connections
and therefore the redundancy can be achieved via OPC
Clients with built‐in redundancy module
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RLSLC is capable of acting as redundant module to one or
multiple instances
