WAGO Electronic Circuit Breaker User manual

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Manual

787-2861(/xxxx-xxxx)

Electronic Circuit Breaker

24 VDC, 0.5 ... 8 A

Version 1.3.1

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2

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

WAGO Kontakttechnik GmbH & Co. KG

Hansastraße 27

D-32423 Minden

Phone: +49 (0) 571/8 87 – 0

Fax: +49 (0) 571/8 87 – 1 69

E-Mail: [email protected]

Web: www.wago.com

Technical Support

Phone: +49 (0) 571/8 87 – 4 45 55

Fax: +49 (0) 571/8 87 – 84 45 55

E-Mail: [email protected]

Every conceivable measure has been taken to ensure the accuracy and

completeness of this documentation. However, as errors can never be fully

excluded, we always appreciate any information or suggestions for improving the

documentation.

E-Mail: [email protected]

We wish to point out that the software and hardware terms as well as the

trademarks of companies used and/or mentioned in the present manual are

generally protected by trademark or patent.

WAGO is a registered trademark of WAGO Verwaltungsgesellschaft mbH.

=== Ende der Lis te f ür T e xtmar ke Ei nb and _vor ne = ==

Table of Contents 3

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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Table of Contents

1 Notes about this Documentation ............................................................. 5

1.1 Validity of this Documentation................................................................. 5

1.2 Copyright ................................................................................................ 5

1.3 Symbols ................................................................................................. 7

1.4 Number Notation .................................................................................... 9

1.5 Font Conventions ................................................................................... 9

2 Important Notes ...................................................................................... 10

2.1 Legal Bases .......................................................................................... 10

2.1.1 Subject to Changes .......................................................................... 10

2.1.2 Personnel Qualifications .................................................................. 10

2.1.3 Use of the 787 Series in Compliance with Underlying Provisions ..... 10

2.1.4 Technical Condition of Specified Devices......................................... 11

2.2 Safety Advice (Precautions) ................................................................. 12

3 Device Description .................................................................................. 15

3.1 View ..................................................................................................... 17

3.2 Connectors ........................................................................................... 18

3.3 Display Elements .................................................................................. 19

3.4 Operating Elements .............................................................................. 20

3.5 Technical Data ..................................................................................... 21

3.6 Approvals ............................................................................................. 24

3.7 Standards and Guidelines .................................................................... 25

4 Function Description .............................................................................. 26

4.1 Tripping Characteristics ........................................................................ 26

4.2 Undervoltage and Overvoltage Detection ............................................. 28

4.3 Activating Capacitive Loads .................................................................. 29

4.4 ON delay .............................................................................................. 29

4.5 Control Input S1.................................................................................... 30

4.6 Signal Output S2 .................................................................................. 31

5 Mounting .................................................................................................. 33

5.1 DIN-35 Rail ........................................................................................... 33

5.1.1 Mounting on DIN-Rail ....................................................................... 33

5.1.2 Removal from the DIN-Rail .............................................................. 34

6 Connect Devices ..................................................................................... 35

6.1 Connection Example ............................................................................ 35

6.1.1 Connection Example 787-2861/0xx0-0000 ....................................... 35

6.1.2 Connection Example 787-2861/0108-0020 ...................................... 36

6.2 Distribute Potential ............................................................................... 38

6.3 Bridging Voltage or Signal .................................................................... 39

7 Configuration (787-2861/0108-0020 only) .............................................. 40

8 Diagnostics.............................................................................................. 41

8.1 General Operating Statuses ................................................................. 41

List of Figures .................................................................................................. 44

4 Table of Contents

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

List of Tables .................................................................................................... 45

=== Ende der Lis te f ür T e xtmar ke V erz eic hnis _vor ne == =

Notes about this Documentation 5

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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1 Notes about this Documentation

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Always retain this documentation!

This documentation is part of the product. Therefore, retain the documentation

during the entire service life of the product. Pass on the documentation to any

subsequent user. In addition, ensure that any supplement to this documentation

is included, if necessary.

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1.1 Validity of this Documentation

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This documentation applies to the electronic circuit breaker 787-2861 and the

versions listed in the following table.

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Table 1: Versions

Item No./Version

Description

787-2861/0050-0000

Electronic Circuit Breaker,

24 VDC, 0.5 A

787-2861/0100-0000

Electronic Circuit Breaker,

24 VDC, 1 A

787-2861/0200-0000

Electronic Circuit Breaker,

24 VDC, 2 A

787-2861/0400-0000

Electronic Circuit Breaker,

24 VDC, 4 A

787-2861/0600-0000

Electronic Circuit Breaker,

24 VDC, 6 A

787-2861/0800-0000

Electronic Circuit Breaker,

24 VDC, 8 A

787-2861/0108-0020

Electronic Circuit Breaker, adjustable

24 VDC, 1 … 8 A

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Documentation Validity for Variants

Unless otherwise indicated, the information given in this documentation applies

to listed variants.

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1.2 Copyright

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This Manual, including all figures and illustrations, is copyright-protected. Any

further use of this Manual by third parties that violate pertinent copyright

provisions is prohibited. Reproduction, translation, electronic and phototechnical

filing/archiving (e.g., photocopying) as well as any amendments require the

written consent of WAGO Kontakttechnik GmbH & Co. KG, Minden, Germany.

Non-observance will involve the right to assert damage claims.

6 Notes about this Documentation

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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Notes about this Documentation 7

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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1.3 Symbols

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Personal Injury!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will

result in death or serious injury.

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Personal Injury Caused by Electric Current!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will

result in death or serious injury.

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Personal Injury!

Indicates a moderate-risk, potentially hazardous situation which, if not avoided,

could result in death or serious injury.

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Personal Injury!

Indicates a low-risk, potentially hazardous situation which, if not avoided, may

result in minor or moderate injury.

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Damage to Property!

Indicates a potentially hazardous situation which, if not avoided, may result in

damage to property.

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Damage to Property Caused by Electrostatic Discharge (ESD)!

Indicates a potentially hazardous situation which, if not avoided, may result in

damage to property.

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Important Note!

Indicates a potential malfunction which, if not avoided, however, will not result in

damage to property.

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8 Notes about this Documentation

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

Additional Information:

Refers to additional information which is not an integral part of this

documentation (e.g., the Internet).

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Notes about this Documentation 9

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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1.4 Number Notation

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Table 2: Number Notation

Number Code

Example

Note

Decimal

100

Normal notation

Hexadecimal

0x64

C notation

Binary

'100'

'0110.0100'

In quotation marks, nibble separated

with dots (.)

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1.5 Font Conventions

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Table 3: Font Conventions

Font Type

Indicates

italic

Names of paths and data files are marked in italic-type.

e.g.: C:\Program Files\WAGO Software

Menu

Menu items are marked in bold letters.

e.g.: Save

>

A greater-than sign between two names means the selection of a

menu item from a menu.

e.g.:

File

>

New

Input

Designation of input or optional fields are marked in bold letters,

e.g.:

Start of measurement range

“Value”

Input or selective values are marked in inverted commas.

e.g.: Enter the value “4 mA” under Start of measurement range.

[Button]

Pushbuttons in dialog boxes are marked with bold letters in square

brackets.

e.g.: [Input]

[Key]

Keys are marked with bold letters in square brackets.

e.g.:

[F5]

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10 Important Notes

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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2 Important Notes

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This section includes an overall summary of the most important safety

requirements and notes that are mentioned in each individual section. To protect

your health and prevent damage to devices as well, it is imperative to read and

carefully follow the safety guidelines.

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2.1 Legal Bases

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2.1.1 Subject to Changes

WAGO Kontakttechnik GmbH & Co. KG reserves the right to provide for any

alterations or modifications. WAGO Kontakttechnik GmbH & Co. KG owns all

rights arising from the granting of patents or from the legal protection of utility

patents. Third-party products are always mentioned without any reference to

patent rights. Thus, the existence of such rights cannot be excluded.

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2.1.2 Personnel Qualifications

All sequences implemented on 787 Series devices may only be carried out by

electrical specialists with sufficient knowledge in automation. The specialists must

be familiar with the current norms and guidelines for the devices and automated

environments.

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2.1.3 Use of the 787 Series in Compliance with Underlying

Provisions

The 787 Series power supply system provides DC voltage to electric or electronic

devices, such as industrial control systems or display, communication and

measuring devices.

The devices have been developed for use in an environment that meets the IP20

protection class criteria. Protection against finger injury and solid impurities up to

12.5 mm diameter is assured; protection against water damage is not ensured.

Unless otherwise specified, operation of the components in wet or dusty

environments is prohibited.

The devices are designed for installation in an enclosure. Under no

circumstances may they be used in control systems for planes or in nuclear

facilities, as any malfunction in these applications could result in severe injuries

or risk of death.

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Important Notes 11

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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2.1.4 Technical Condition of Specified Devices

The devices to be supplied ex works are equipped with hardware and software

configurations, which meet the individual application requirements. These

modules contain no parts that can be serviced or repaired by the user. The

following actions will result in the exclusion of liability on the part of WAGO

Kontakttechnik GmbH & Co. KG:

• Repairs,

• Changes to the hardware or software that are not described in the

operating instructions,

• Improper use of the components.

Further details are given in the contractual agreements. Please send your

request for modified and new hardware or software configurations directly to

WAGO Kontakttechnik GmbH & Co. KG.

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12 Important Notes

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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2.2 Safety Advice (Precautions)

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For installing and operating purposes of the relevant device to your system the

following safety precautions shall be observed:

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Do not work on devices while energized!

All power sources to the device shall be switched off prior to performing any

installation, repair or maintenance work.

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Live parts are likely to be touched!

The party setting up the device is responsible for providing appropriate touch

guards. The installation regulations must be observed for each individual

application.

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Installation only in appropriate housings, cabinets or in electrical operation

rooms!

Always install devices of the 787 Series in enclosures, cabinets or electrical

equipment rooms which can be closed and locked. Ensure that access to this

equipment/these rooms is possible only by authorized specialists with the

appropriate key or tools.

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Do not use these devices in control systems for planes, trains or nuclear

facilities!

Never use these devices in control systems for planes, trains or nuclear facilities,

as any malfunction in these applications can result in severe injuries or risk of

death!

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Ensure a standard connection!

To minimize any hazardous situations resulting in personal injury or to avoid

failures in your system, the data and power supply lines shall be installed

according to standards, with careful attention given to ensuring the correct

terminal assignment. Always adhere to the EMC directives applicable to your

application.

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Important Notes 13

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

Switch off power supply to defective device!

Switch off power supply to the device immediately if the device malfunctions or is

damaged! Control systems connected to the device may also be damaged!

Return the defective device directly to WAGO.

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Use strain relief!

Electronic contacts can be damaged by high vibration levels or shock impacts!

Provide appropriate strain relief means to attach and cap any free ends of the

conductors.

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Do not touch hot surfaces!

The surface of the housing can become hot during operation. If the device was

operated at high ambient temperatures, allow it to cool off before touching it.

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Protect the components against materials having seeping and insulating

properties!

The components are not resistant to materials having seeping and insulating

properties such as: aerosols, silicones and triglycerides (found in some hand

creams). If you cannot exclude that such materials will appear in the component

environment, then install the components in an enclosure being resistant to the

above-mentioned materials. Clean tools and materials are imperative for

handling devices/modules.

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Clean only with permitted materials!

Clean housing and soiled contacts with propanol.

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Do not use any contact spray!

Do not use any contact spray. The spray may impair contact area functionality in

connection with contamination.

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14 Important Notes

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

Do not reverse the polarity of connection lines!

Avoid reverse polarity of data and power supply lines, as this may damage the

devices involved.

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Avoid electrostatic discharge!

The devices are equipped with electronic components that may be destroyed by

electrostatic discharge when touched. Please observe the safety precautions

against electrostatic discharge per DIN EN 61340-5-1/-3. When handling the

devices, please ensure that environmental factors (personnel, work space and

packaging) are properly grounded.

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Device Description 15

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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3 Device Description

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The 787-2861/0xx0-0000 electronic circuit breaker reliably protects load circuits

against short circuiting and overloading. The 24 VDC input voltage can be

provided with fuse protection for the following current values:

Table 4: Output Fuse Protection

Version

Fuse Protection

Color Coding

787-2861/0050-0000

0.5 A

Green

787-2861/0100-0000

1 A

Brown

787-2861/0200-0000

2 A

Red

787-2861/0400-0000

4 A

Yellow

787-2861/0600-0000

6 A

Blue

787-2861/0800-0000

8 A

Gray

787-2861/0108-0020

1 A ... 8 A

-

The electronics can accommodate brief current peaks.

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LEDs indicate the respective status of the output and current setting.

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In the event of a short circuit or overloading, the individual channel is de-

energized after a defined trip time.

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Wait for temperature to return to normal!

If a channel has been de-activated due to short-circuiting or overloading, wait

until the temperature returns to its normal range (cooling period) before re-

activating the channel.

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The device has a control input and a signal output.

• Control input: The channel can be switched ON and OFF from here.

• Signal output: The operating status can be read from here.

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The 787-2861/0108-0020 electronic circuit breaker variably protects load circuits

with current levels from 1 A … 8 A. The trip current and behavior of the signal

output can be configured using the push and slide switch. LEDs indicate the

respective status of the channel and current setting.

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16 Device Description

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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The terms “switched ON” and “switched OFF”, as well as “tripped” are used in

this manual. To clearly delineate these terms, they are explained as follows:

Table 5: Definition of Terms

Designation

Definition

Switched ON

The user has activated the electronic circuit breaker

manually from the push and slide switch or via a

corresponding signal at the control input. The load

circuit is closed, the current flows.

Switched OFF

The user has deactivated the electronic circuit

breaker manually from the push and slide switch or

via a corresponding signal at the control input. The

load circuit is open, the current flow is interrupted.

Tripped

The electronics of the electronic circuit breaker has

been tripped due to overcurrent, undervoltage or

overvoltage. The load circuit is open, the current

flow is interrupted.

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Device Description 17

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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3.1 View

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Figure 1: View

Table 6: Legend for „View“ Figure

Position

Designation

(1)

Connections (see section “Connections”)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(a)

787-2861/0xx0-0000: Transparent cover with labeling area and color

coding stripes.

The LEDs (d) and (e) and the push and slide switch (see “Operating

Elements”) are located under the transparent cover.

787-2861/0108-0020: Transparent cover with labeling area.

The LEDs (d) and (e) and the push and slide switch (see “Operating

Elements”) are located under the transparent cover.

(b)

Technical data

(c)

Snap-in mounting foot

(d)

Status LED

(e)

Configuration LED

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18 Device Description

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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3.2 Connectors

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Do not wire connections under load!

The connections can be damaged or electric arcing can be caused by wiring the

device under tension!

Only wire the electrical connections when the device is disconnected from the

power supply!

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Use strain relief!

Electronic contacts can be damaged by high vibration levels or shock impacts!

Provide appropriate strain relief means to attach and cap any free ends of the

conductors.

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Figure 2: Connections

Table 7: Legend for “Connections” Figure

Position

Designation

(1)

S2 (signal output)

(2)

V

IN

+

(3)

V

IN

+

(4)

GND

(5)

S1 (control input)

(6)

V

OUT

+

(7)

V

OUT

+

(8)

GND

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Device Description 19

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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3.3 Display Elements

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The electronic circuit breaker has a status LED (d) and a configuration LED (e).

• Status LED: The LED indicates the current operating status of the channel

(see Section “General Operating Statuses”).

• Configuration LED: The LED indicates the respective configuration status

(see Section “Configuration (787-2861/0108-0020 only)”).

787-2861/0xx0-0000: Non-adjustable configuration!

The configuration of the 787-2861/0xx0-0000 electronic circuit breaker is non-

adjustable and cannot be changed. The configuration LED indicates only the

device-specific configuration.

Figure 3: Display Elements

Table :8 Legend for the “Display Elements” Figure

Position

Description

(d)

Status LED

(e)

Configuration LED

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20 Device Description

787-2861 Electronic Circuit Breaker

Manual

Version 1.3.1

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3.4 Operating Elements

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The device can be operated and configured with the push and slide switch. The

push and slide switch is located under the transparent cover (a); see Section

“View” in this connection.

The push and slide switch has the following basic functions:

Table 9: Basic Functions of the Push and Slide Switch

Push and slide switch

LED indication

Description

Press

–

During operation:

Switch channel ON and OFF