Wago 787-1668 Users Manual

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Manual

EPSITRON®

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Electronic Circuit Br eaker

787-1668(/xxxx-xxxx)

24 VDC, 8 × 2 … 10 A

Version 1.1.0

2 EPSITRON®
787-1668 Electronic Circuit Breaker

© 2014 by WAGO Kontakttechnik GmbH & Co. KG
All rights reserved.

WAGO Kontakttechnik GmbH & Co. KG

Hansastraße 27
D-32423 Minden

Phone: [phone] – 0
Fax: [phone] – 1 69

E-Mail: [e-mail]
Web: http://www.wago.com

=== Ende der Liste für Textmar ke Einband _vorne ===

Technical Support

Phone: [phone] – 5 55
Fax: [phone] – 85 55

E-Mail: [e-mail]

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: [e-mail]
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.

Manual
Version 1.1.0

EPSITRON® Table of Contents 3
787-1668 Electronic Circuit Breaker

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Table of Contents

Table of Contents ................................................................................................... 3

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

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

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

1.3 Symbols ..................................................................................................... 6

1.4 Number Notation ....................................................................................... 8

1.5 Font Conventions ...................................................................................... 8

2 Important Notes ........................................................................................... 9

2.1 Legal Bases ............................................................................................... 9

2.1.1 Subject to Changes ............................................................................... 9

2.1.2 Personnel Qualifications ....................................................................... 9

2.1.3 Use of the 787 Series in Compliance with Underlying Provisions ...... 9

2.1.4 Technical Condition of Specified Devices ......................................... 10

2.2 Safety Advice (Precautions) .................................................................... 11

3 Device Description ..................................................................................... 13

3.1 View ........................................................................................................ 14

3.2 Connectors ............................................................................................... 15

3.2.1 Power supply ...................................................................................... 15

3.2.2 Fuse-Protected Outputs ...................................................................... 16

3.2.3 Control and Signaling Contacts .......................................................... 16

3.3 Display Elements .................................................................................... 17

3.4 Operating Elements ................................................................................. 18

3.4.1 Buttons ................................................................................................ 18

3.4.2 Rotary Switch ..................................................................................... 19

3.5 Technical Data ........................................................................................ 20

3.5.1 Device Data ........................................................................................ 20

3.5.2 Technical Data for "Input" ................................................................. 21

3.5.3 Technical Data for "Output" ............................................................... 22

3.5.4 Technical Data for "Ambient conditions" .......................................... 23

3.5.5 Technical Data for "Signaling" .......................................................... 23

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

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

4 Mounting ..................................................................................................... 26

4.1 Mounting ................................................................................................. 26

4.2 Mounting the Device on the DIN 35 Rail ............................................... 26

4.3 Removing the Device from the DIN 35 Rail .......................................... 27

5 Connect Devices ......................................................................................... 28

5.1 Connection Example ............................................................................... 28

6 Function Description ................................................................................. 29

6.1 Undervoltage and Ove rvol tage Detection ............................................... 29

6.2 Trip Curves .............................................................................................. 29

6.2.1 Trip Curve for the 10 A Circuit Breaker 787-1668 ............................ 29

6.2.2 Trip Curve for the 6 A Circuit Breaker 787-1668/0106-0000 ........... 30

Manual
Version 1.1.0

4 Table of Contents EPSITRON®
787-1668 Electronic Circuit Breaker

6.2.3 Trip Curve for the 6 A Circuit Breaker with Active Current Limitation

787-1668/0006-1000 .......................................................................... 30

6.2.3.1 Response of the Electronic Circuit Breaker with Active Current

Limitation ...................................................................................... 31

6.2.3.1.1 Response 1: Over-current present that is greater than Threshold

3 ................................................................................................. 32

6.2.3.1.2 Response 2: Over-current present that is greater than Threshold

1, but less than Threshold 2 ...................................................... 32

6.2.3.1.3 Response 3: Over-current present that is greater than the

nominal current, but less than Threshold 1 ............................... 32

6.2.3.2 Selective immediate deactivation .................................................. 32

6.3 Activating Capacitive Loads ................................................................... 33

6.3.1 Reference Values for 787-1668 and 787-1668/0106-0000 ................ 33

6.3.2 Reference Values for 787-1668/0006-1000 ....................................... 33

6.4 Operating Statuses, Signaling, Reactions ................................................ 34

6.5 ON Delay for Specific Channels ............................................................. 36

6.6 Control Input S1 ...................................................................................... 37

6.6.1 Re-activating Tripped Channels ......................................................... 37

6.6.2 Specific Activation and De-activation of Non-Tripped Output

Channels ............................................................................................. 38

6.7 Signal Output S2 ..................................................................................... 42

6.8 Functioning of Communication between Control Input S1 and Signal

Output S2 ................................................................................................ 44

6.9 Signal Output S3 ..................................................................................... 45

=== Ende der Liste für Textmar ke Verzeich nis_vorne ===

List of Figures ...................................................................................................... 46

List of Tables ........................................................................................................ 47

Manual
Version 1.1.0

EPSITRON® Notes about this Documentation 5

Table 1: Versions

Item No./Version

Description

787-1668/0106-0000

Electronic Circuit Breaker
24 V DC, 8×6 A

787-1668/0006-1000

Electronic Circuit Breaker

with Active Current Limitation

787-1668 Electronic Circuit Breaker

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1 Notes about this Documentation

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Keep this documentation!

The operating instructions are part of the product and shall be kept for the entire
lifetime of the device. They shall be transferred to each subsequent owner or user
of the device. Care must also be taken to ensure that any supplement to these
instructions are included, if applicable.

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1.1 Validity of this Documentation

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This documentation applies to the electronic circuit breaker 787-1668 and the
versions listed in the following table.

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24 V DC, 8×6 A,

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1.2 Copyright

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.

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Manual
Version 1.1.0

6 Notes about this Documentation EPSITRON®
787-1668 Electronic Circuit Breaker

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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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Manual
Version 1.1.0

EPSITRON® Notes about this Documentation 7
787-1668 Electronic Circuit Breaker

Additional Information:

Refers to additional information which is not an integral part of this
documentation (e.g., the Internet).

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Manual
Version 1.1.0

8 Notes about this Documentation EPSITRON®

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 (.)

Table 3: Font conventions

Font type

Indicates

italic

Names of paths and data files are marked in italic-type.
e.g.: C:\Programme\WAGO-I/O-CHECK

Menu

Menu items are marked in bold letters.
e.g.: Save

>

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

e.g.: [Input]

[Key]

Keys are marked with bold letters in square brackets.
e.g.: [F5]

787-1668 Electronic Circuit Breaker

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1.4 Number Notation

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1.5 Font Conventions

menu item from a menu.

brackets.

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Manual
Version 1.1.0

EPSITRON® Important Notes 9
787-1668 Electronic Circuit Breaker

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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 that serve to increase the efficiency of technical
progress. 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 Complianc e wit h Unde rlying Provisions

The EPSITRON® 787 Series power supply system provides direct current 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 and 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 nuclear facilities, as any
malfunction in these applications could result in severe injuries or risk of death.

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Manual
Version 1.1.0

10 Important Notes EPSITRON®
787-1668 Electronic Circuit Breaker

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2.1.4 Technical Condition of Spec ified Devices

The components to be supplied Ex Works, are equipped with hardware and
software configurations, which meet the individual application requirements.
WAGO Kontakttechnik GmbH & Co. KG will be exempted from any liability in
case of changes in hardware or software as well as to non-compliant usage of
components.

Please send your request for modified and new hardware or software
configurations directly to WAGO Kontakttechnik GmbH & Co. KG.

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Manual
Version 1.1.0

EPSITRON® Important Notes 11
787-1668 Electronic Circuit Breaker

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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 components 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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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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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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Do not plug in or disconnect the female connector while a load is applied!

Only plug in or disconnect the female connectors when the device is not live!
Failure to observe this can result in damage to the contacts due to arcing!

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Plug the female connectors all the way into the male connectors!

Always plug the female connectors all the way in to the male connectors. This
ensures proper contact at all times.

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Manual
Version 1.1.0

12 Important Notes EPSITRON®
787-1668 Electronic Circuit Breaker

Attach the free ends of the conductors using a strain relief device!

Provide appropriate strain relief means to attach and cap any free ends of the
conductors. Female connectors can be pulled out of the male connectors by high
vibration levels or shock impacts.

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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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Cleaning only with permitted materials!

Clean soiled contacts using oil-free compressed air or with ethyl alcohol and
leather cloths.

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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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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 you may destroy by
electrostatic discharge when you touch. Pay attention while handling the devices
to good grounding of the environment (persons, job and packing).

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Manual
Version 1.1.0

EPSITRON® Device Description 13

Table 4: Fuse Protection of Output Channels

Variant

Fuse protection for each output
channel (can be set)

787-1668

2 A, 3 A, 4 A, 6 A, 8 A, 10 A

787-1668/0106-0000

1 A, 2 A, 3 A, 4 A, 5 A, 6 A

787-1668/0006-1000

0,5 A, 1 A, 2 A, 3 A, 4 A, 6 A
(with active current limitation)

787-1668 Electronic Circuit Breaker

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3 Device Description

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The 787-1668 electronic circuit breaker reliably protects up to 8 load circuits
against short circuiting and overloading. The 24 VDC input voltage is distributed
among 8 output channels, each of which can be provided with separate fuse
protection.

The electronics can accommodate brief current peaks.

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There are 8 rotary switches on the device which can be used to set the nominal
current for each of the individual output channels.

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The current status of the output channel is indicated by a multi-colored LED.

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In the event of a short circuit or overloading, the individual output channel is de­energized after a defined trip time.

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Wait for temperature to return to normal!

If an output channel has been de-activated due to short-circuiting or overloading,
wait until the temperature returns to its normal range (cooling period) before re­activating the channel.

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The device contains control and signaling contacts, which can be used for reading
out information relevant to operation. These contacts are also used to activate and
de-activate specific output channels individually. This device is equipped with

• one digital control input and

• two digital signal outputs.

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Manual
Version 1.1.0

14 Device Description EPSITRON®

Table 5: Key for "Device view" figure

No.

Designation

Reference

1

Switch

"Device Description" >
"Operating Elements" > "Buttons"

2

Rotary switch

"Device Description " > "Operat i n g
Elements" > "Rotary Switches"

3

Cover, sealable *)

4

CAGE CLAMP® connections

"Function Description" >

"Signaling Output S3"

5

Marking field **)

6

CAGE CLAMP® connections

"Device Description" >

"Fuse-Protected Output Channels"

7

CAGE CLAMP® connections

(for internal supply only)

8

CAGE CLAMP® connections
for 24 V input voltage

*) can also be marked using TOPJOB®S marker strips (Item No. 2009-110)

**) can be marked using TOPJOB®S marker strips (Item No. 2009-110) or

787-1668 Electronic Circuit Breaker

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3.1 View

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Figure 1: View of device

Control input S1 and
Signaling outputs S2 and S3

for fuse-protected output channels

for 0 V reference potential

"Control Input S1"/
"Signaling Output S2"/

"Connections" >

"Device Descripti on " >
"Connections" > "Power Supply"

WMB Multi marking system

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Manual
Version 1.1.0

EPSITRON® Device Description 15

Table 6: Power supply connections

Figure 2: 24 V input

No.

Designation

Function

1 + 24 V input voltage

2 + 24 V input voltage

Table 7: Power supply connections

Figure 3: 0 V input

No.

Designation

Function

1 - Reference potential 0 V

2 - Reference potential 0 V

787-1668 Electronic Circuit Breaker

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3.2 Connectors

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Do not plug in or disconnect the female connector while a load is applied!

Only plug in or disconnect the female connectors when the device is not live!
Failure to observe this can result in damage to the contacts due to arcing!

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Plug the female connectors all the way into the male connectors!

Always plug the female connectors all the way in to the male connectors. This
ensures proper contact at all times.

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Attach the free ends of the conductors using a strain relief device!

Provide appropriate strain relief means to attach and cap any free ends of the
conductors. Female connectors can be pulled out of the male connectors by high
vibration levels or shock impacts.

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3.2.1 Power supply

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Manual
Version 1.1.0