Multifunctional bay controller ARIS C303

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The MAIN JOURNAL for POWER GRID SPECIALISTS in RUSSIA


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26

August 25–29, France, Paris

Grid Control

Multifunctional bay controller 

ARIS C303

Fig. 1. Front panel control and indication elements

T

o develop a controller with a unique set of 
functions, which is capable of operating in 
harsh environments (wide temperature range, 
electromagnetic interferences, etc.) as well as 

simple to use, is a dif

fi

 cult job. 

Lots of details await you on the road to the ready-to-use 

product, which purpose is to perform speci

fi

 c monitoring 

and control functions in electric power systems. All the 
requirements have to be taken into account, precisely 
re

fl

  ected in product technical speci

fi

  cations and thoroughly 

implemented by the development team.

Developers must thoroughly plan hardware and 

software product architecture. If support of proprietary 
communication protocols is in plans, revision control and 
software updates systems have to be implemented too. 

This article is a result of our test of one of 

multifunctional intelligent electronic devices with IEC 
61850 implementation — ARIS C303 bay controller, 
produced by the company Prosoft-Systems.  

PRODUCT DESIGN

Once you get to know ARIS C303, you’ll never mix it 

up with any other product: angular 19

 enclosure, black 

mat front panel, 5.7

 high-resolution display (capable of 

visualizing animated single-line diagrams), keyboard and 
switchgear control mode selection switch (Fig.1). 

Front panel also includes service interfaces and LED 

indication elements. Everything looks neat and clean. 
Introducing settings via integrated keyboard is an easy 
thing to do. IED has modular design with 14 slots for 
modules’ installation. Access to these slots and their 
interface is available from the back side. 

MODULES, 

MODULES, MODULES…

Besides one or two power supply modules and one or 

two processor boards, ARIS C303 can be equipped with 
up to 14 modules of different functionality:
•  CT/VT direct connection modules, implementing 

measurement and waveform recording functions;

•  IEC 61850-9-2LE modules, allowing to receive up to 

4 Sampled Value streams, implementing measurements 
and waveform recording functions;

• RS-485, RS-232 and Ethernet communication 

interfaces modules;

•  24 V (8- or 15-channel) or 220 V (7- or 15-channel) 

binary input modules;

•  220 V binary input modules with operation voltage 

setting and rejection functionality 
(15-channel);
• 24 V (8-channel) or 220 V 
(8-channel) binary output modules; 
• Analog current input modules 
(0—5 mA, 4—20 mA, 0—20 mA);
• Analog voltage input (0—1 V, 
0—5 V, -10 —+10 V, 0—10 V);
• Remote control modules with 
support of select before operate 
functionality (220 V).

The tested ARIS C303 

was equipped with two 220 V 
15-channel binary input modules 
and 220 V 8-channel binary output 
modules, one 8-channel analog 

Alexander GOLOVIN (

Александр

 

ГОЛОВИН

),

Alexey ANOSHIN (

Алексей

 

АНОШИН

)

Engineering company TEKVEL Ltd.  


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27

info@eepr.ru,   www.eepr.ru

Fig. 2. IED information model

Fig. 3. Creation of a dataset

signal input module and one measurements and waveform 
recording module with capability of direct connection 
to current and voltage transformers. IED also included 
the following basic modules: power supply module and 
processing board with GPS/GLONASS receiver.

Processing board provides time synchronization 

functionality. There is an integrated GPS/GLONASS 
receiver inside and if you connect an antenna to it, IED will 
be time synchronized. Alternative solution to provide time 
synchronization of the device is time synchronization over 
NTP or by using Prosoft GPS Module external precision 
time source, which is connected to RS-485 port of IED. 
ARIS C303 may also be an NTP-server. 

ARIS C303 is capable of operating in harsh 

environmental conditions, withstanding electromagnetic 
interferences according to IEC 61850-3 and wide 
temperature range (from -40 to +55°

С

). Equipment, 

developed at Prosoft-Systems, is tested on electromagnetic 
immunity and safety. Primary calibration of devices is 
also performed in the Prosoft-Systems labs.

FUNCTIONALITY

ARIS C303 provides rich functionality as well. 

Interlocking and user-de

fi

 ned algorithms (implemented 

using Function Block Diagram language), metering and 
waveform recording functions are available for use. 

Data transmission and reception is possible using 

variety of communication protocols: IEC 61850, 60870-
5-101/104/103, Modbus (RTU/ASCII/TCP), SPA and set 
of proprietary communication protocols. 

IEC 61850 

IMPLEMENTATION 

Let’s take a closer look at the IEC 

61850 implementation. Information 
model (Fig. 2) is dynamic. It 
changes depending on the set of 
modules installed. Each logical node 
corresponds to the speci

fi

 c  module. 

Number of logical node data objects 
depends on the number of input/
output channels of the module. User 
won’t feel that it’s dynamic from 
the very beginning — IED comes 
precon

fi

 gured at the factory. But 

once there’s a need to change the set 
of preinstalled modules, it could be 
noticed. To represent status signals, are 
used GGIO logical nodes. Switchgear 
and measurement functions are 
represented by appropriate standard 
logical nodes (XCBR, XSWI, 
MMXU, etc). 

The following communication 

services are supported: 
• GOOSE 

publisher/subscriber;

•  IEC 61850-9-2LE Sampled Value 


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28

August 25–29, France, Paris

Grid Control

Fig. 4. GOOSE control block con

fi

 guration

Fig. 5. Reading server con

fi

 guration data over 

MMS

subscriber (of up to 4 80 samples/cycle or 256 samples/
cycle streams);

•  Client-server functionality — IED can take roles of 

both client and server (supporting buffered/unbuffered 
reporting).

CONFIGURATION 

INTERFACE USABILITY

When an IP address of the speci

fi

 c IED is set in web 

browser and authorization is successful, user sees nicely 
looking main page of ARIS C303 web interface.

Main menu has seven items in the form of drop-down 

lists, located on the top of the page. These menu items are 

also available in a tree view and may 
be visualized when 

Do you want to 

see the list of all available services? 

link is selected.

First of all, let’s evaluate usability 

of IEC 61850 communications 
con

fi

 guration procedure. 

Con

fi

 

guration of GOOSE 

publishing and reporting is quite 
standard and intuitive. First, user has 
to create a dataset. To do this, it is 
required to make a right click on the 
datasets menu item and choose 

Add 

dataset

 option. Required information 

model data objects/attributes are 
added to the dataset (Fig. 3). To 
select speci

fi

 c data, user navigates 

through information model tree and 
checks 

Add to dataset

 menu item 

for all required elements. It’s quite 
convenient, though you have to 
con

fi

 rm selection of each and every 

data object/attribute by choosing 

Apply changes

 menu item. 

If it is required to con

fi

 gure IED for publishing 

GOOSE messages, GOOSE control block must be 
created. This process is similar to the creation of the 
dataset (Fig. 4). When GOOSE control block is created, 
user needs to open its structure and set parameters. 
Everything is easy and intuitive here. Speci

fi

  c dataset may 

be selected from the drop-down list. It’s nice that control 
block con

fi

 guration procedure is accompanied by a tip, 

regarding Destination MAC address acceptable range. 
It makes you remember about this parameter, which is 
quite important when multicast 

fi

 ltering is implemented 

on substation LAN. It’s also easy to con

fi

 gure buffered 

and unbuffered report control blocks. 

Now let’s look at the several drawbacks, which we’ve 

found. First, it’s impossible to set BufTm parameter 
for unbuffered report control block. It seems to be a 
misunderstanding, because in fact this parameter doesn’t 
have to do anything with buffering of reports but de

fi

 nes 

time interval, over which all occurred events are included 
in the single report. BufTm parameter must be available 
for both buffered and unbuffered report control blocks.

We’ve also noticed that naming of several optional 

fi

 elds that may be included in report is not correct: for 

example, instead of data-reference optional 

fi

 eld control 

block reference 

fi

 eld is available, though the latter is not 

there in the standard. 

Talking about data reception con

fi

 guration procedure 

— it is straightforward. It’s required to set IP address of 
the server under the 

Data reception

 menu item. Then user 

has to select 

Create

 menu item (Fig. 5). 

ARIS C303 will read server con

fi

 guration over MMS 

and information model of the server will be available 
for overview under 

Device description

 menu item 


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29

info@eepr.ru,   www.eepr.ru

Fig. 8. Server report control block con

fi

 guration

Fig. 6. Visualization of server information model

Fig. 7. Server datasets

(Fig. 6). There user can also generate 
CID 

fi

 le of the server based on the 

presented structure. 

Then it will be possible to 

overview datasets (Fig. 7), as well 
as report and GOOSE control blocks 
available on the server.

To be able to receive data using 

one of the IEC 61850 communication 
services (either reporting or GOOSE 
messaging) it is required to choose 
either 

Reports

 or 

GOOSE messages

 

menu item, check appropriate control 
block and choose 

Apply

 menu item.

For reporting it is required to set 

trigger options and de

fi

 ne  optional 

fi

 elds which will be included in report 

along with the data (Fig. 8).

For GOOSE messages user may 

create service data channels. This 
will activate calculation of missed 
messages, visualization of status id, 
message sequence number, etc. This 
data will be further available for use.

Data reception con

fi

 guration  is 

done in one click. 

To apply con

fi

 guration changes it 

is required to restart controller. While 
you’re waiting, on the screen will be 
shown useful tips on how to operate 
controller. 

Data reception con

fi

 guration 

procedure has the same drawbacks 
as data transmission con

fi

 guration 

procedure. For unbuffered reports it’s 
impossible to set BufTm parameter, 
because there is no such 

fi

 eld.  The 

same issues reside in optional 

fi

 elds 

settings. 

In general, ARIS C303 

con

fi

 guration interface usability is 

thought-out and well done. 

FINAL THOUGHTS 

ARIS C303 bay controller is a 

worthy representative of micropro-
cessor-based devices, developed and 
manufactured in Russian Federation. 
It shows good results in all disci-
plines: design, ergonomics, func-
tionality, and web interface usability. 
Everything is at a good level. Not 
every product can be described in this 
way. It’s obvious that a great number 
of engineers has been working on the 
product. And this means that minor 
drawbacks will be 

fi

 xed soon.


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To develop a controller with a unique set of functions, which is capable of operating in harsh environments (wide temperature range, electromagnetic interferences, etc.) as well as simple to use, is a difficult job.

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