FANOX SIA B User manual

SIA_MANU_SIAB_ING_R006.Docx
USER´S MANUAL
SIA B
Self and Dual powered Overcurrent & Earth Fault Protection Relay

www.fanox.com Rev. 06 2/99
1. RECEPTION, HANDLING & INSTALLATION..................................................................................5
1.1. Unpacking.........................................................................................................................................5
1.2. Reception of relays..........................................................................................................................5
1.3. Handling electronic equipment......................................................................................................5
1.4. Installation, commissioning and service ......................................................................................6
1.5. Storage..............................................................................................................................................6
1.6. Recycling..........................................................................................................................................6
2. DIMENSIONS AND CONNECTION DIAGRAMS .............................................................................7
2.1. Frontal view......................................................................................................................................7
2.2. Case dimensions .............................................................................................................................8
2.3. Connection diagram........................................................................................................................9
2.4. Terminals..........................................................................................................................................10
3. DESCRIPTION ..................................................................................................................................11
3.1. Introduction......................................................................................................................................11
3.2. Equipment description....................................................................................................................11
3.3. Functional Diagram .........................................................................................................................13
3.4. Selection and ordering codes ........................................................................................................14
3.5. Specific CTs .....................................................................................................................................15
4. TEST WINDING.................................................................................................................................19
5. PROTECTION FUNCTIONS .............................................................................................................20
5.1. 50 Function. Definite time phase overcurrent ..............................................................................20
5.2. 50/51 Function. Inverse time phase overcurrent..........................................................................20
5.3. 50N Function. Definite time overcurrent .......................................................................................21
5.4. 50/51N Function. Inverse time neutral...........................................................................................22
5.5. Trip block protection for the switchgear.......................................................................................22
5.6. 49 Function. Thermal Image Protection ........................................................................................23
5.7. External trip......................................................................................................................................26
5.8. General Settings ..............................................................................................................................26
5.9. Settings Groups...............................................................................................................................27
5.10. IEC60255-151 Curves ......................................................................................................................27
5.11. ANSI-IEEE Curves............................................................................................................................32
6. MONITORING AND CONTROL........................................................................................................36
6.1. Measurements..................................................................................................................................36
6.2. States and Events............................................................................................................................36
6.3. Fault Reports....................................................................................................................................40
6.4. Date and Time by Real Time Clock (RTC) .....................................................................................40
6.5. Self-diagnosis ..................................................................................................................................41
6.6. Commands .......................................................................................................................................41
6.7. Test Menu.........................................................................................................................................42
6.8. Power supply....................................................................................................................................42

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6.8.1. Self-Powered relay with specific current transformers ......................................................43
6.8.2. 230 Vac or 110 Vac, 50/60 Hz auxiliary power......................................................................43
6.8.3. 24 Vdc auxiliary power supply...............................................................................................43
6.8.4. Battery power: 5 V, with a KITCOM adaptor.........................................................................43
6.9. Opening mechanism: STRIKER .....................................................................................................44
6.10. Equipment starting up time. Fault trip time during starting up of the equipment....................46
7. TECHNICAL SPECIFICATIONS AND STANDARDS......................................................................48
7.1. Technical Specifications.................................................................................................................48
7.2. Thermal resistance..........................................................................................................................50
7.3. Standards .........................................................................................................................................51
8. COMMUNICATION AND HMI...........................................................................................................54
8.1. Front Communication: USB............................................................................................................54
8.2. Indicators..........................................................................................................................................54
8.3. LCD and keypad...............................................................................................................................55
8.4. SICom Communications program..................................................................................................55
8.4.1. How to install SICOM Software..............................................................................................56
8.5. Setting up the session: Password and access levels .................................................................57
8.6. MENUS..............................................................................................................................................58
8.6.1. Standby mode screen.............................................................................................................58
8.6.2. Accessing the menus.............................................................................................................58
8.6.3. Date-time menu .......................................................................................................................59
8.6.4. Versions...................................................................................................................................59
8.6.5. Communication parameters ..................................................................................................59
8.6.6. Contrast ...................................................................................................................................59
8.6.7. Fault report ..............................................................................................................................60
8.6.8. Test Menu ................................................................................................................................61
8.6.9. Functions Menu.......................................................................................................................63
8.6.10. Measurements Menu...............................................................................................................64
8.6.11. States menu.............................................................................................................................65
8.6.12. Settings Menu..........................................................................................................................72
8.6.13. Events Menu............................................................................................................................81
8.6.14. Commands Menu....................................................................................................................83
8.6.15. Fault reports ............................................................................................................................84
9. MODBUS RTU PROTOCOL.............................................................................................................85
9.1. ModBus packaged format...............................................................................................................86
9.2. Function codes ................................................................................................................................86
9.3. Exemptions and error answers......................................................................................................87
9.4. Data type...........................................................................................................................................87
9.5. Memory map of SIA-B .....................................................................................................................88
9.6. Commands Map...............................................................................................................................92

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9.7. Examples of ModBus frames..........................................................................................................92
9.7.1. Writing the access password “5555” to equipment nº 1 ....................................................92
10. COMMISSIONING.............................................................................................................................93
10.1. Checklist for Commissioning.........................................................................................................93
10.2. Electrostatic discharge ...................................................................................................................93
10.3. Visual Inspection .............................................................................................................................93
10.4. Earthing ............................................................................................................................................93
10.5. Current transformers.......................................................................................................................93
10.6. Auxiliary power................................................................................................................................93
10.7. Front communications port............................................................................................................93
10.8. Commissioning................................................................................................................................94
11. APPENDIX.........................................................................................................................................95
11.1. Identification.....................................................................................................................................95
11.2. Checks ..............................................................................................................................................95
11.3. Test menu.........................................................................................................................................95
11.4. Register of commissioning settings..............................................................................................95
11.5. Comments ........................................................................................................................................97

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1. RECEPTION, HANDLING & INSTALLATION
1.1. Unpacking
Relays must only be handled by qualified personnel and special care must be taken to protect all of
their parts from any damage while they are being unpacked and installed. The use of good illumination
is recommended to facilitate the equipment visual inspection.
The facility must be clean and dry and relays should not be stored in places that are exposed to dust
or humidity. Special care must be taken if construction work is taking place.
1.2. Reception of relays
It is necessary to inspect the equipment at the time it is delivered to ensure that the relays have not
been damaged during transport.
If any defect is found, the transport company and FANOX should be informed immediately.
If the relays are not for immediate use, they should be returned to their original packaging.
1.3. Handling electronic equipment
Relays contain an electronic component that is sensitive to electrostatic discharges.
Just by moving, a person can build up an electrostatic potential of several thousand volts. Discharging
this energy into electronic components can cause serious damage to electronic circuits. It is possible
that this damage may not be detected straight away, but the electronic circuit reliability and life will be
reduced. This electronic component in the equipment is well protected by the metal housing, which
should not be removed as the equipment cannot be adjusted internally.
If it is necessary to disassemble the electronic component, this must be carried out with care and
contact with electronic components, printed circuits and connections must be avoided to prevent an
electrostatic discharge that could damage one of the components. If the electronic components are
stored outside the metal housing, they must be placed in an antistatic conductive bag.
If it is necessary to open a module, care must be taken to preserve the equipment reliability and the
duration of the life cycle as designed by the manufacturer by taking the following actions:
Touch the housing to ensure that you have the same potential
Avoid touching the electronic components and handle the module by its edges.
Remember that everyone who handles the module must have the same potential.
Use a conductive bag to transport the module.
For more information about how to handle electronic circuits, consult official documents such as the
IEC 147-OF.

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1.4. Installation, commissioning and service
The personnel in charge of installing, commissioning and maintaining this equipment must be qualified
and must be aware of the procedures for handling it. The product documentation should be read
before installing, commissioning or carrying out maintenance work on the equipment.
Personnel should take specific protection measures to avoid the risk of electronic discharge when
access is unlocked on the rear part of the equipment.
In order to guarantee safety, the crimp terminal and a suitable tool must be used to meet isolation
requirements on the terminal strip. Crimped terminations must be used for the voltage and current
connections.
It is necessary to connect the equipment to earth through the corresponding terminal, using the
shortest possible cable. As well as guaranteeing safety for the personnel, this connection allows high
frequency noise to be evacuated directly to earth.
The following checks must be performed before the equipment is supplied:
The rated voltage and polarity.
The power rating of the CT circuit and the integrity of the connections.
The integrity of the earth connection.
The equipment must be used within the stipulated electrical and environmental limits.
Note: Regarding the current transformer circuits: Do not open a live CT secondary circuit. The high
voltage produced as a result could damage the isolation and threaten lives.
1.5. Storage
If the relays are not going to be installed immediately, they must be stored in a dust- and humidity free
environment after the visual inspection has been performed.
1.6. Recycling
Before recycling the equipment, the capacitors should be discharged through the external terminals.
All electrical power sources should be removed before performing this operation to avoid the risk of
electrical discharge.
This product must be disposed of in a safe way. It should not be incinerated or brought into contact
with water sources like rivers, lakes, etc…

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2. DIMENSIONS AND CONNECTION DIAGRAMS
2.1. Frontal view

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2.2. Case dimensions
The dimensions are in mm.
Cut-out pattern

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2.3. Connection diagram
NOTE! STRIKER: 6 –24 Vdc & <= 0.1 W·s

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2.4. Terminals
A1
Phase A current input for measurement and self-
power
C1
Trip output +
A2
Phase A current output for measurement and self-
power
C2
Trip output –
A3
Phase B current input for measurement and self-power
C3-C4
External trip
A4
Phase B current output for measurement and self-
power
C5
Auxiliary power supply +
A5
Phase C current input for measurement and self-power
C6
Auxiliary power supply -
A6
Phase C current output for measurement and self-
power

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3. DESCRIPTION
3.1. Introduction
Worldwide, the energy sector is currently undergoing a profound change as a result of high levels of
energy demand; more distribution lines and advanced supervision systems are required. Given the
need for creating intelligent infrastructure, FANOX has developed the SIA family of products to carry
out this function.
The family of SIA relays is designed to protect the secondary transformation and distribution centres of
electricity grids. Protection features include protection against instantaneous and inverse time
overcurrent (for the phases and the neutral), and it also has external trip support (temperature,
pressure, etc.) depending on the characteristics of each model.
The protection functions can be enabled selectively by using both the front panel and the
communications links to the SICom program, allowing for precise coordination with other equipment.
Additional benefits include that all of the models have been designed to be supplied from an external
battery. This is aimed at facilitating event management and the commissioning of centres, as well as
allowing it to operate properly under adverse conditions.
3.2. Equipment description
The SIA-B equipment is a protection relay designed for secondary distribution. One of its main
characteristics is the necessity of using specific current transformers for measurement and power
supply.
The equipment starts-up from 0.8xIsmin single phase and
0.4xIsmin three phase current using specific CTs.
The SIA-B equipment is housed in a metal box with
galvanic isolation on all of its measurement inputs and
outputs (with the exception of ports for communications
and battery power supply, as these are sporadic
connections). This allows the equipment to have the best
possible level of electromagnetic compatibility, both in
terms of emission of, and immunity from, radiated and
conducted interferences. These levels are the same as
those established for primary substations.
The equipment has a LCD with two lines and twenty
columns and a membrane keyboard with six buttons.
These allow the display of the equipment state, the current
measurements in the primary and the events or incidents
associated with the equipment, and adjustments to be
made to the protection criteria.
There are two LED indicators on the front of the SIA-B
equipment. These indicate if the equipment is On (LED ON) and if an alarm has happened (LED
ALARM). Depending on model, there is a possibility of having, apart from the LEDS, one bistable
indicator to signaling the trip of any of the protection functions.
In order to facilitate the analysis of events, it is fitted with four fault reports. Each register includes up
to 24 events that have occurred during the incident.
The equipment has storage for up to 100 events, allowing any recorded incidents to be analyzed. All
SIA-B models are equipped with a real-time clock (RTC) which permits registering all the events with a
reliable timestamp.

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Current measurements are performed using RMS values. Specific current transformers (CTs) are
used.
The equipment has a frontal communication port (miniUSB). This port allows a PC to be connected,
which can be used to monitor the equipment using the SICom communications program (supplied by
FANOX). Besides, the frontal port can be used to power the equipment by using an USB cable which
can be directly connected with PC.
The protective functions provided, easy-to-use interface, low amount of maintenance and simple
integration make the SIA-B a precise and practical solution for protecting both industrial and public
electrical grids and transformation and distribution centres. The main features of the equipment are
listed below, and these features will be explained in the rest of the manual:
Function
Description
SIA-B
Protection
50
Phase instantaneous overcurrent protection function
1
50N
Neutral instantaneous overcurrent protection function
1
50/51
Phase inverse time overcurrent protection function
1
50/51N
Neutral inverse time overcurrent protection function
1
Fuse +
Switchgear
Trip blocking for switch disconnector
1 (optional)
49
Thermal image
1 (optional)
Measurements
CT xxx-5 error lower than 5%
CT xxx-10 error lower than 10%
IA, IB, IC, IN, Imax and TI
Inputs and Outputs
External trip input (without power supply)
Optional
Trip output for STRIKER
1
Communication and HMI
Front port: USB (ModBus, RTU 19200)

SICom Program

HMI: LCD, 20x2 and 6 keys + 1 reset button

LED Indicators
2
Bistable indicator
1 (optional)

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Power supply
Self-powered with specific CTs:
0.4xIsmin three phase
0.8xIsmin single phase

Auxiliary power: 230 Vac, 50/60 Hz
Optional
Auxiliary power: 110 Vac, 50/60 Hz
Optional
Auxiliary power: 24 Vdc
Optional
Battery power accessory: 5 V with Kitcom adaptor

Monitoring and recording
Events saved in the non-volatile FRAM* memory
100
Commands
Optional
Settings groups
2
Real-Time Clock (RTC)

Fault reports
4 (24 events each one)
Test menu

Self-diagnosis

3.3. Functional Diagram

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3.4. Selection and ordering codes
SIAB
PROTECTION FUNCTIONS
50 + 50/51 + 50N + 50/ 51N
0
PHASE MEASUREMENT
Defined by General Settings
0
NEUTRAL MEASUREMENT
Internal measurement
0
NET FREQUENCY
Defined by General Settings
0
1
2
3
A
B
C
D
POWER SUPPLY
Self powered
Self powered + 230 Vac (Dual)
Self powered + 110 Vac (Dual)
Self powered + 24 Vdc (Dual)
Self powered + Battery report
Self powered + 230 Vac (Dual) + Battery report
Self powered + 110 Vac (Dual) + Battery report
Self powered + 24 Vdc (Dual) + Battery report
0
1
B
ADDITIONAL FUNCTIONS
-
+ 49
+ Trip Block for switch disconnector
0
COMMUNICATIONS
Front USB
0
1
INPUTS-OUTPUTS
2 led’s + trip output (striker)
+ External trip input (49T) + 1 FLAG
0
MECHANICAL ASSEMBLY
-
A
B
C
D
LANGUAGE
English, Spanish and German
English, Spanish and Turkish
English , Spanish and French
English , Spanish and Russian
A
ADAPTATION
-

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3.5. Specific CTs
SIAB relay requires specific CTs to achieve the measurement and the power supply:
Depending on the model selected, there are the following primary currents:
Is range
CT type
8-28 (A)
CT008-5
16-56 (A)
CT016-5
CT016-10
32-112 (A)
CT032-5
64-224 (A)
CT064-5
128-448 (A)
CT128-5
256-896 (A)
CT256-5
The main characteristics of the transformers are:

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Technical specifications:
Ordering specifications:
Current
Class
Cable diameter
8-28 (A)
5P80
45 mm
16-56 (A)
5P80
50 mm
16-56 (A)
10P80
50 mm
32-112 (A)
5P80
50 mm
64-224 (A)
5P80
50 mm
128-448 (A)
5P80
50 mm
256-896 (A)
5P80
50 mm

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Connection
Three transformers are needed, one per each phase. In the following picture, it is
possible to see the label corresponding to CT016, where the connecting terminals are
showed.
Terminals:
P1
Primary Input
P2
Primary output
A-/S2
Output for current measurement
A+/S1
Input for current measurement
B+ B-/C-D
Test wiring terminals

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Dimensions:

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4. TEST WINDING
SIA-B relay has been designed to work with these current levels. For this reason it is not possible
doing the same tests that are performed with relays that use standard CTs.
In the case of SIA-B, the necessary current to perform the testing is provided through the no
conventional current transformers. These CTs have a pass-through hole (from P1 to P2 in the picture
blow) for primary current measurement, 2 terminals (A- and A+ in the picture blow) for secondary
current measurement and power supply for the relay and 2 terminals (B- and B+ in the picture below)
to perform the testing.
The testing consists on the injection of 1A in these last terminals providing a simulated primary current
value. These primary values depend on the CT type:
CURRENT
TRANSFORMER
Injected
Current
Primary Current
CT08
1 A
25 A
CT16
1 A
50 A
CT32
1 A
100 A
CT64
1 A
200 A
CT128
1 A
400 A
CT256
1 A
800 A
The correct measurement of these values in the relay guarantees that the whole current range will be
measured.

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5. PROTECTION FUNCTIONS
5.1. 50 Function. Definite time phase overcurrent
This protection function can be set by using three parameters:
Function
Description
Minimum
Maximum
Step
Unit
Default
50
Definite time phase overcurrent
Permission
-
-
Yes/No
-
No
Tap
0,20
30,00
0,01
Is
5,00
Operating time
0,02
300,0
0,01
s
0,2
The operating time is independent from the operating current flowing through the equipment, so if the
phase current exceeds its predetermined value for an equal or greater amount of time than this pre-set
value, the protection function activates (trips) and does not reset itself until the value of the phase
drops below the point of current tap.
The function activates at 100% of the pre-set input, and deactivates at 90%. The reset is
instantaneous.
The accuracy of the operating time is equal to the pre-set time ±30ms or ±0.5% (greater of both).
5.2. 50/51 Function. Inverse time phase overcurrent
This protection function can be set by using five parameters:
Function
Description
Minimum
Maximum
Step
Unit
Default
50/51
Inverse time phase overcurrent
Permission
-
-
Yes/No
-
No
Curve
-
-
(1*)
-
IEC Extremely
Inverse
Dial (TMS)
0,05
1,25
0,01
-
1,25
Tap
0,20
7,00
0,01
Is
1,00
Operating time
0,02
300,0
0,01
s
0,2
(1*) IEC Inverse, IEC Very inverse, IEC Extremely inverse, IEC Long time inverse, Defined time, ANSI Inverse, ANSI Very
inverse, ANSI Extremely inverse