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Manual
EPSITRON
®
Electronic Circuit Breaker
787-1662(/xxxx-xxxx)
24 VDC, 2 × 2 … 10 A
Version 1.0.0
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2 EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
© 2014 by WAGO Kontakttechnik GmbH & Co. KG
All rights reserved.
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
Web: http://www.wago.com
Technical Support
Phone: +49 (0) 571/8 87 – 5 55
Fax: +49 (0) 571/8 87 – 85 55
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.
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.
=== Ende der Lis te f ür T e xtmar ke Ei nb and _v orne = ==
EPSITRON® Table of Contents 3
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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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 ..................................................................................................... 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 Overvoltage Detection ............................................... 29
6.2 Trip Curves .............................................................................................. 29
6.2.1 Trip Curve for the 10 A Circuit Breaker 787-1662 ............................ 29
6.2.2 Trip Curve for the 6 A Circuit Breaker 787-1662/0106-0000 ........... 30
6.2.3 Trip Curve for the 6 A Circuit Breaker with Active Current Limitation
787-1662/0006-1000 .......................................................................... 30
4 Table of Contents EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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 787-1662 and 787-1662/0106-0000 ................ 33
6.3.2 Reference Values for 787-1662/0006-1000 ....................................... 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
List of Figures ...................................................................................................... 46
List of Tables ........................................................................................................ 47
=== Ende der Lis te f ür T e xtmar ke V erz eic hnis _vor ne == =
EPSITRON® Notes about this Documentation 5
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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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 787-1662 and the
versions listed in the following table.
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Table 1: Versions
Item No./Version
Description
787-1662/0106-0000
Electronic Circuit Breaker
24 V DC, 2×6 A
787-1662/0006-1000
Electronic Circuit Breaker
24 V DC, 2×6 A,
with Active Current Limitation
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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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6 Notes about this Documentation EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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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.
Pos: 12 .4.2 /Al le Seri en (All gemei ne Mod ule)/ Wichti ge Erl äuter unge n/Sich erheit s- und sonsti ge Hinw eise/ Gefa hr/Gef ahr: _ Warnu ng vor Per son enschä den durc h elek trisc hen Str om_ - Erläuterung @ 13\mod_1343309694914_21.docx @ 101030 @ @ 1
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.
Pos: 12 .4.5 /Al le Seri en (All gemei ne Mod ule)/ Wichti ge Erl äuter unge n/Sich erheit s- und sonstige Hinweise/Achtung/Achtung: _Warnung vor Sachschäden allgemein_ - Erläuterung @ 13\mod_1343310134623_21.docx @ 101041 @ @ 1
Damage to Property!
Indicates a potentially hazardous situation which, if not avoided, may result in
damage to property.
Pos: 12 .4.6 /Al le Seri en (All gemei ne Mod ule)/ Wichti ge Erl äuter unge n/Sich erheit s- und sonstige Hinweise/Achtung/Achtung: _Warnung vor Sachschäden durch elektrostatische Aufladung_ - Erläuterung @ 13\mod_1343310227702_21.docx @ 101044 @ @ 1
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.
Pos: 12 .4.8 /Al le Seri en (All gemei ne Mod ule)/ Wichti ge Erl äuter unge n/Sich erheit s- und so nsti ge H inw eis e/I nfor mat ion/ Inf or matio n: _W eiter e Inf or mati on allg emei n_ - Erl äuter ung @ 13 \mod_1343310439814_21.docx @ 101051 @ @ 1
EPSITRON® Notes about this Documentation 7
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
Additional Information:
Refers to additional information which is not an integral part of this
documentation (e.g., the Internet).
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8 Notes about this Documentation EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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1.4 Number Notation
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
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
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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EPSITRON® Important Notes 9
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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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.
Pos: 15.4 /S erie 78 7 (E PSI TRON )/ Wic htig e Er läut eru nge n/P ers onalq ual ifi kati on 787- xxxx @ 11\mod_1317113061338_21.docx @ 79692 @ 3 @ 1
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 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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10 Important Notes EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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2.1.4 Technical Condition of Specified 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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EPSITRON® Important Notes 11
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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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.
Pos: 15 .13 /S erie 787 ( EPSITR ON)/ Wich tige Er läuter unge n/Sic herhei ts- un d so nsti ge Hin weis e/G efa hr/G ef ahr: Ger äte nic ht in St eu erung s anlag en ver wend en! @ 13\ mod_1346400862576_21.docx @ 102180 @ @ 1
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!
Pos: 15 .18 /S erie 787 ( EPSITR ON)/ Wich tige Er läuter unge n/Sic herhei ts- un d so nsti ge Hin weis e/A ch tung /Ac htu ng: F ed erlei ste n bi s z um Ansc hlag in di e Sti ftl eist en s tec ke n! @ 18\mod_1392902889021_21.docx @ 145944 @ @ 1
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.
Pos: 15 .19 /S erie 787 ( EPSITR ON)/ Wich tige Er läuter unge n/Sic herhei ts- un d sonstige Hinweise/Achtung/Achtung: Freischwingende Leiterenden durch eine geeignete Zugentlastung abfangen! @ 18\mod_1392904262758_21.docx @ 146008 @ @ 1
12 Important Notes EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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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EPSITRON® Device Description 13
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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3 Device Description
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The 787-1662 electronic circuit breaker reliably protects up to 2 load circuits
against short circuiting and overloading. The 24 VDC input voltage is distributed
among 2 output channels, each of which can be provided with separate fuse
protection.
Table 4: Fuse Protection of Output Channels
Variant
Fuse protection for each output
channel (can be set)
787-1662
2 A, 3 A, 4 A, 6 A, 8 A, 10 A
787-1662/0106-0000
1 A, 2 A, 3 A, 4 A, 5 A, 6 A
787-1662/0006-1000
0,5 A, 1 A, 2 A, 3 A, 4 A, 6 A
(with active current limitation)
The electronics can accommodate brief current peaks.
Pos: 18.2 /S erie 78 7 (E PSI TRON )/ Ger äteb esc hrei bung / Besc hrei bung /F un ktion /Fu nkt ion 787- 1662 : Drehsc hal ter @ 17\ mod_1385383519243_21.docx @ 138289 @ @ 1
There are 2 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 de-
energized after a defined trip time.
Pos: 18.5 /S erie 78 7 (E PSI TRON )/ Ger äteb esc hrei bung / Besc hrei bung /A nwe ndu ng/H in weis e/Hi nw eis: Ther mi sc he E ntspa nnu ng abw art en 7 87-16xx @ 12\mod_1342431732847_21.docx @ 100298 @ @ 1
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 re-
activating 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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14 Device Description EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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3.1 View
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Figure 1: View of device
Table 5: Key for "Device view" figure
No.
Designation
Reference
1
Marking field *)
2
Switch
"Device Description" >
"Operating Elements" > "Buttons"
3
Rotary switch
"Device Description" >
"Operating Elements" >
"Rotary Switches"
4
Cover, sealable **)
5
CAGE CLAMP
®
connections
Control input S1 and
Signaling outputs S2 and S3
"Function Description" >
"Control Input S1"/
"Signaling Output S2"/
"Signaling Output S3"
6
CAGE CLAMP
®
connections
for fuse-protected output channels
"Device Description" >
"Connections" >
"Fuse-Protected Output Channels"
7
CAGE CLAMP
®
connections
for 0 V reference potential
(for internal supply only)
"Device Description" >
"Connections" > "Power Supply"
8
CAGE CLAMP
®
connections
for 24 V input voltage
*) can be marked using TOPJOB
®
S marker strips (Item No. 2009-110) or
WMB Multi marking system
**) can also be marked using TOPJOB
®
S marker strips (Item No. 2009-110)
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EPSITRON® Device Description 15
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
Pos: 23 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/A nsc hlüs se - Über schri ft 2 @ 4\mod_1240984262656_21.docx @ 31961 @ 2 @ 1
3.2 Connectors
Pos: 24 .1 /S erie 7 87 (E PSITRON )/Wi chtig e E rlä uter ung en/ Sich er heits - u nd s ons tig e Hi nweis e/ Acht ung /Ac htu ng: F eder l eist en ni cht u nter Las t st eck en oder zi ehen! @ 1 8\mod_1392900217463_21.docx @ 145941 @ @ 1
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!
Pos: 24.2 /S erie 78 7 (E PSI TRON )/ Wic htig e Er läut eru nge n/S ich erhei ts- und sons tig e Hi n weis e/Ac ht ung/ Acht ung : Fe derl ei sten bis zu m A nsc hlag i n die Stif tleis te n st eck en! @ 1 8\mod_1392902889021_21.docx @ 145944 @ @ 1
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.
Pos: 24.3 /S erie 78 7 (E PSI TRON )/ Wic htig e Er läut eru nge n/S ich erhei ts- und sons tig e Hi n weis e/Ac ht ung/ Acht ung : Fr eisc h winge nde Lei ter end en durc h ei ne g eeig net e Z uge ntl ast ung abf ange n! @ 18\ mod_1392904262758_21.docx @ 146008 @ @ 1
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
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
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16 Device Description EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
Total current exceeds 40 A!
Distribute the current to input terminals "IN1" and "IN2" when the total current
should exceed 40°A, as otherwise the plug-in connectors will become overheated
and can be damaged or destroyed.
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3.2.2 Fuse-Protected Outputs
Table 8: Connections – Fuse-protected outputs
Figure 4: Fuse-protected
outputs Ch1 … Ch2
No.
Designation
Function
1 ... 2
Ch1 … Ch2
Fuse-protected outputs
Ch1 … Ch2
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3.2.3 Control and Signaling Contacts
Table 9: Connections – Control and signaling contacts
Figure 5: Control and
signaling contacts
No.
Designation
Function
1
S1
Control Input S1
2
S2
Signal Output S2
3
S3
Signal Output S3
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EPSITRON® Device Description 17
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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3.3 Display Elements
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A multi-colored LED, integrated in a button, is assigned to each output channel.
This LED indicates the current operating status of the output channel.
Figure 6: Indicators
Table 10: Legend for "Indicators" figure
LED
Button color
Explanation
1 … 2
Green
Output channel activated
Red
Output channel
deactivated
Red, flashing
Wait for temperature to
return to normal (cooling
period)
Further signaling possible!
Other statuses can also be indicated if an error occurs. For information about this,
refer to the "Operating Statuses, Signaling, Reactions" table given in this manual.
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18 Device Description EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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3.4 Operating Elements
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3.4.1 Buttons
A button is assigned to each output channel. Depending on the operating mode the
button can have two different functions:
• During operation, the channel can be activated and de-activated.
• If an error is present, the channel can be reset.
Figure 7: Buttons
EPSITRON® Device Description 19
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
3.4.2 Rotary Switch
A rotary switch, which can be used to set the output currents for the individual
outputs, is assigned to each output channel. The following settings are possible:
Table 11: Rotary Switch Settings
Variant
Setting
787-1662
2 A
3 A
4 A
6 A
8 A
10 A
787-1662/0106-0000
1 A
2 A
3 A
4 A
5 A
6 A
787-1662/0006-1000
0.5 A
1 A
2 A
3 A
4 A
6 A
Figure 8: Rotary Switch
Observe trip curve!
Observe the trip curve given in the Section "Function Description" when setting
the individual output channels.
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20 Device Description EPSITRON®
787-1662 Electronic Circuit Breaker
Manual
Version 1.0.0
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3.5 Technical Data
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3.5.1 Device Data
Table 12: Device data
Width
45 mm
Height
90 mm
Depth (from upper edge of DIN 35 rail)
115.5 mm
Weight
170 g
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