Protrol IPC4020 Manuale utente

M A N U A L

IPC4020/IPC4022

Fault Detector and RTU

IPC4020 and IPC4022 are fault detectors for over current and earth fault, both with

integrated remote terminal unit functionality.

This user’s manual describes the interfaces and management of the devices. This

includes:

▪Overview

▪Connection using the service port

▪Configuration, reset and upgrade

▪System interface

▪Detector functions

▪Event list, Site manager and transient fault recorder

▪Commissioning and testing

 IPC402x-UM-2209-1-2.x.x (en) 
Ensto Protrol AB Phone: +46 31 45 82 00 
Alfagatan 3 internet: www.protrol.se 
49 Mölndal, SWEDEN 2e-mail: info@protrol.se 
Table of Contents 
1Safety Information ___________________________________________________________ 4 
2Abbreviations _______________________________________________________________ 5 
3Firmware ___________________________________________________________________ 5 
4Overview ___________________________________________________________________ 6 
1 Front Panel –HMI _______________________________________________________________ 7 
LED Indicators ________________________________________________________________________________ 7 
1.1 Push-button for Local Acknowledge ______________________________________________________ 8 
2 Startup ________________________________________________________________________ 8 
3 Internal Supervision _____________________________________________________________ 9 
4 Interfaces______________________________________________________________________ 9 
4.1 RS485/RS422 port for IEC 60870-5-101 Slave and PDCIO ______________________________________ 9 
4.2 RS485-port för IEC 60870-5-101 Master (option) ___________________________________________ 10 
4.3 Ethernet Interface for IEC 60870-5-104 and Service Port _____________________________________ 10 
4.4 USB Port ___________________________________________________________________________ 10 
4.5 Secondary Current Inputs ______________________________________________________________ 10 
4.6 Power Supply________________________________________________________________________ 10 
5Service Interface ____________________________________________________________ 11 
1 Connecting using Ethernet _______________________________________________________ 11 
2 Connecting using USB ___________________________________________________________ 12 
3 Login_________________________________________________________________________ 13 
4 Start Tab and Device Information__________________________________________________ 13 
6Configuration and Settings____________________________________________________ 14 
1 Device Settings –Unit ___________________________________________________________ 18 
2 Time synchronisation –NTP ______________________________________________________ 18 
7Remote Control Interface _____________________________________________________ 20 
1 Events, Queues and Interrogation _________________________________________________ 21 
2 General Settings –Communication ________________________________________________ 22 
2.1 Communication –Ethernet_____________________________________________________________ 22 
2.2 Communication –IEC 60870-5-101/104 __________________________________________________ 22 
2.3 IEC 60870-5-101 master - OPTIONAL _____________________________________________________ 25 
3 Binary inputs –I/O-addressing –Binary Inputs _______________________________________ 28 
3.1 Binary Inputs –Input 1-16/22/37________________________________________________________ 29 
3.2 Binary Inputs –Detector m_____________________________________________________________ 30 
3.3 Binary Inputs –IEC 60870-5-101/-104 Master______________________________________________ 32 
3.4 Binary Inputs –PDCIO and PBI __________________________________________________________ 32 
4 Binary outputs –I/O-addressing –Binary Outputs ____________________________________ 33 
4.1 Binary Outputs –Output 1-8/13/22______________________________________________________ 34 
4.2 Binary Outputs –Detector m___________________________________________________________ 35 
4.3 Binary Outputs –PDCIO and PBO________________________________________________________ 35 

 IPC402x-UM-2209-1-2.x.x (en) 
Ensto Protrol AB Phone: +46 31 45 82 00 
Alfagatan 3 internet: www.protrol.se 
49 Mölndal, SWEDEN 3e-mail: info@protrol.se 
5 Analog Inputs (I/O-addressing –Analog Inputs) ______________________________________ 36 
5.1 Analog Inputs –Internal _______________________________________________________________ 37 
5.2 Analog Inputs –Detector m____________________________________________________________ 38 
5.3 Analog Inputs –PDCIO and PAI _________________________________________________________ 40 
8Detector Functions __________________________________________________________ 41 
1 General ______________________________________________________________________ 41 
2 Detection states _______________________________________________________________ 41 
2.1 Evaluation of Earth Faults______________________________________________________________ 42 
2.2 Evaluation of Transient and Arcing Faults _________________________________________________ 43 
3 Settings - Common _____________________________________________________________ 44 
4 Settings - I/O Settings ___________________________________________________________ 45 
5 Detector Settings –Detector n ____________________________________________________ 46 
5.1 Overcurrent_________________________________________________________________________ 46 
5.2 Earth Fault, General __________________________________________________________________ 47 
5.3 Earth Fault Protrol____________________________________________________________________ 47 
5.4 Non-Directional Earth Fault ____________________________________________________________ 48 
6 Phase Break ___________________________________________________________________ 49 
6.1 Auto reclosing –OPTION ______________________________________________________________ 50 
9Event log and Site Manager ___________________________________________________ 51 
1 Event log –Event log ____________________________________________________________ 51 
2 Site Manager __________________________________________________________________ 52 
Transient Fault Recorders –TFR________________________________________________ 55 
Upgrade of Firmware ________________________________________________________ 59 
1 PDCIO ______________________________________________________________________ 59 
Checklist for Commissioning and Testing ________________________________________ 60 
References_________________________________________________________________ 63 
 
 
 

IPC402x-UM-2209-1-2.x.x (en)

Ensto Protrol AB Phone: +46 31 45 82 00

Alfagatan 3 internet: www.protrol.se

431 49 Mölndal, SWEDEN 4e-mail: info@protrol.se

1 Safety Information

Only certified electricians are allowed to perform installation work.

National and local security guidelines must be followed.

Always short circuit the secondary conductors of the current transformers during maintenance or

testing.

If the secondary circuit of the CT’s are opened or if their earthing point is missing or removed

while the primary side is energized, high voltages can be generated. In worst case these voltages

can be deadly and damage isolation material. Energization of the CT’s primary side is not

permitted as long as the secondary side is open or not earthed.

Dangerous voltages can be present on the terminals, also when power is removed from

the device.

Violation against the security guidelines can lead to fatalities, personal injury or considerable

damage to equipment.

Avoid removing the cover of the IPC402x devices. If it is removed, ensure that all electronic

components are protected against electrostatic discharge, ESD, by proper earthing of both

the device and the personnel performing maintenance.

The device should be connected to protective earth at terminal X4.2.

IPC402x-UM-2209-1-2.x.x (en)

Ensto Protrol AB Phone: +46 31 45 82 00

Alfagatan 3 internet: www.protrol.se

431 49 Mölndal, SWEDEN 5e-mail: info@protrol.se

2 Abbreviations

IPC401x Previous generation fault detectors –IPC4010, -11 and -12

IPC402x IPC4020, IPC4020exp3, IPC4020exp6 or IPC4022

ASDU Application Service Data Unit

COMTRADE Common Transient Data Exchange

DHCP Dynamic Host Configuration Protocol

EF Earth Fault

ESD Electro Static Discharge

OC Overcurrent

RTU Remote Terminal Unit

NTP Network Time Protocol

TFR Transient Fault Record(-er)

3 Firmware

Some of the functions described in this document were introduced in firmware version 1-2.1.0.

IPC402x-UM-2209-1-2.x.x (en)

Ensto Protrol AB Phone: +46 31 45 82 00

Alfagatan 3 internet: www.protrol.se

431 49 Mölndal, SWEDEN 6e-mail: info@protrol.se

4 Overview

IPC402x consists of two or three printed circuit boards; base board, front board and, if applicable, an

expansion board. Overview pictures of IPC4020/IPC4020exp3 and IPC4022 are shown in Figure 1 and

Figure 2. More detailed descriptions of the devices can be found in the datasheets for the devices [1][2].

IA1

X21

IB1

X22

IC2

X33

IB2

X32

IA2

X31

1 1 12 22

Expansion

Expansion module, 2 x 3 currents

IC1

X23

1 2

Link

Act.

Ethernet

RJ45

1 2 PWR

PWR

GND321

Binary inputs Binary outputs

867 5 4 2

65432 1

9 8 7 X10

2 1

321

X5 2 1

Option W

X12

RS232

X11

RS485

TERM ACN

1 2 3 4

EX USB

Type B

Rx/Tx

RxTx

RUN

EVNT IRF

AUX

IPC4022

t°

Figure 1. Overview IPC4020 with expansion for two extra detector functions (to the left). The outputs of contacts

X8 and X10 are routed to more powerful relays.

Link

Act.

Ethernet

RJ45

1 2 PWR

PWR

GND321

Binary inputs Binary outputs

867 5 4 2

6 5 4 32 1

98 7 X10

2 1

321

3 2 1

X5 2 1

Option W

X12

RS232

X11

RS485

TERM ACN

1 2 3 4

EX USB

Type B

Rx/Tx

RxTx

RUN

EVNT IRF

AUX

IPC4022

t°

Figure 2. Overview IPC4022. The outputs on contact X10 are routed to more powerful relays.

The only normal reason to remove the front cover of the devices is to check the identification stickers that

are located on the printed circuit boards, if requested. Each circuit board has a unique identity with the

following format, see example beneath.

Manufacturing year and week: 1906

Batch identity: 46539

Sequence number: P0098

IPC402x-UM-2209-1-2.x.x (en)

Ensto Protrol AB Phone: +46 31 45 82 00

Alfagatan 3 internet: www.protrol.se

431 49 Mölndal, SWEDEN 7e-mail: info@protrol.se

The sticker of the front board is located on the rear side of the board. It is not necessary to remove the

front board to be able to see the identity number when needed during support cases or reclaims.

Figure 3. Example board identity.

4.1 Front Panel –HMI

LED Indicators

There are various LED indicators on the front panel for inputs, outputs, communication ports and status

purposes.

Figure 4. Front panel of IPC4020.

Each binary input and output have a LED above its screw terminal and reflects the position of the

input/output. Voltage on an input activates the LED. Closed relay output activates the LED.

IPC402x-UM-2209-1-2.x.x (en)

Ensto Protrol AB Phone: +46 31 45 82 00

Alfagatan 3 internet: www.protrol.se

431 49 Mölndal, SWEDEN 8e-mail: info@protrol.se

The table beneath describes the other LED indicators on the front panel.

LED

Description

PWR

Green diode indicating that the device is powered up

RUN

Green diode normally flashing at 0.5 Hz frequency

EVNT

Yellow diode indicating that there is an unsent telegram in the queue for slave transmission

on the system interface

AUX

Yellow diode that normally indicates that the device is handling a frequency deviation

IRF

Red diode that indicates internal fault

USB

Yellow diode indicating a connected USB port

Red diode indicating that an overcurrent has been detected

Red diode indicating that an earth fault has been detected

Tx Master

Yellow diode indicating that a telegram is being sent on the serial master interface

Rx Master

Yellow diode indicating that a telegram is being received on the serial master interface

Tx Slave

Yellow diode indicating that a telegram is being sent on the serial slave interface

Rx Slave

Yellow diode indicating that a telegram is being received on the serial slave interface

Tx/Rx (USB)

Dual-coloured green-red diode which alternates when there is traffic on the USB port.

EX1

Yellow diode indicating that Detector 1 has identified a fault

EX2

Yellow diode indicating that Detector 2 has identified a fault –applies to expanded device

EX3

Yellow diode indicating that Detector 3 has identified a fault –applies to expanded device

EX4

Yellow diode that in normal configuration indicates start fault detection, detector 1-3

Some LEDs, such as AUX and EX1-4, can have other functionality for certain option choices.

4.1.1 Push-button for Local Acknowledge

There is a push-button, ACN, on the far right of the front panel for local acknowledge of the overcurrent

and earth fault indications, and factory reset. Remote acknowledge from the dispatch center and automatic

self-acknowledge after a configurable time delay are described in a separate chapter of this text manual.

4.2 Startup

After a restart of the device, i.e., if there has been a disturbance in DC supply or a restart has been ordered

from remote, inputs and outputs are updated with the current status. Any outputs that were activated

before the restart, return to inactive position unless the conditions for activation are valid.

IPC402x-UM-2209-1-2.x.x (en)

Ensto Protrol AB Phone: +46 31 45 82 00

Alfagatan 3 internet: www.protrol.se

431 49 Mölndal, SWEDEN 9e-mail: info@protrol.se

4.3 Internal Supervision

Internal check of CPU-near hardware and software modules is performed at startup.

▪Memory check –activates IRF

▪Flash memory check –activates IRF

▪Expansion board check –activates IRF

▪Execution of software modules –activates IRF

▪Supervision of external interfaces –rapported in Event Log

Supervision of expansion boards and execution of software modules are performed continuously.

4.4 Interfaces

4.4.1 RS485/RS422 port for IEC 60870-5-101 Slave and PDCIO

IPC402x has a signal interface on the left of the front panel for connection to the remote control center

using the communication protocol IEC 60870-5-101.

This port supports 2-wire (half duplex) communication. It is factory set to 8-E-1, i.e., 8 data bits, even parity

and 1 stop bit. With options where the front panel is modified, it is possible to handle both 4-wire (full

duplex) or RS232 communication.

There is built-in protection for surge voltages. However, cables for communication that may be subjected

to overvoltage must have a primary protection, for example Protrol OVP. As a rule of thumb, one can say

that cables that leave the building / station must be supplemented with a primary protection.

Terminals

Terminal/pin

Short name

Description

X11:1

TX+

Sender (plus)

X11:2

TX-

Sender (minus)

X11:3

RX(TX)+

Receiver (plus), (also sender when 2-wire)

X11:4

RX(TX)-

Receiver (minus), (also sender when 2-wire)

X11:5

TERM

Termination for receiver. Connect to X11:4 for activation

Terminering

The first (master) and last device (last slave) on the communication line should be terminated. This is

done on IPC402x by short-circuiting X11:4 and X11:5.

The terminals X11:3 and X11:4 are used for 2-wire communication. Configuration according to Chapter 7.2.

The terminal X11 is also used as the physical interface when the expansion device PDCIO is used. PDCIO is

connected to the terminals X11:3 and X11:4 in the same manner as when 2-wire-communication is

employed for communication with the remote control centre using IEC 60870-5-101.

Observe that PDCIO can only be used if IEC 60870-5-104 is used for communication with the remote control

centre.

IPC402x-UM-2209-1-2.x.x (en)

Ensto Protrol AB Phone: +46 31 45 82 00

Alfagatan 3 internet: www.protrol.se

431 49 Mölndal, SWEDEN 10 e-mail: info@protrol.se

4.4.2 RS485-port för IEC 60870-5-101 Master (option)

IPC4020 has another terminal X13 on the left lower side, where additional units that communicate with IEC

60870-5-101 can be connected. The port only supports 2-wire communication (half duplex). It is factory set

to 8-E-1, i.e., 8 data bits, even parity and 1 stop bit. This function and port are not available on IPC4022.

Note that the IEC 60870-5-101 Master function is an option and is ordered separately, see datasheet [1].

There is built-in protection for surge voltages. However, cables for communication that may be subjected

to overvoltage must have a primary protection, for example Protrol OVP. As a rule of thumb, one can say

that cables that leave the building / station must be supplemented with a primary protection.

Terminals

Terminal/pin

Short name

Description

X13:1

RX/TX+

Sender/Receiver (plus)

X13:2

RX/TX-

Sender/Receiver (minus)

X13:3

TERM

Line termination. Connect to X13:2 for activation.

Terminering

The first (master) and last device (last slave) on the communication line should be terminated. This is

done on IPC402x by short-circuiting X13:2 and X13:3.

4.4.3 Ethernet Interface for IEC 60870-5-104 and Service Port

There is an Ethernet interface, RJ45 10/100Base - TX Full Duplex, for communication via IEC 60870-5-104

and the remote control centre.

This interface is also used as a service port, i.e., for connecting a service computer using TCP / IP and

accessing the built-in web interface of IPC402x.

4.4.4 USB Port

IPC402x is equipped with a service port for USB Type B. The port is located on the right of the front panel

next to the local acknowledge push-button, ACN.

4.4.5 Secondary Current Inputs

Current terminals for phase current transformers are found in the following locations:

▪Detector 1: Terminals X1-X3 between the RJ45 connector for Ethernet and the terminal for power

supply.

▪Detector 2: Terminals X21-X23, lower side of the expansion module (left side of IPC4020exp3).

▪Detector 3: Terminals X31-X33, upper side of the expansion module (left side of IPC4020exp3).

4.4.6 Power Supply

IPC402x requires an external power supply of 24-48 VDC which is connected to terminal block X4. The

connection is not polarity sensitive.

The unit must be connected to protective ground via X4.2.

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