Wago 787-1675 Users Manual

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Manual

EPSITRON®

Mode Power Supply with Integrated

Switched-

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UPS Charger and Controller

787-1675

Version 1.0.0

2 EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

© 2013 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 Li st e für Te xtm arke Ei nba nd_ vorn e ===

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 1.0.0

EPSITRON® Table of Contents 3
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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Table of Contents

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

1.1 Copyright ................................................................................................... 5

1.2 Symbols ..................................................................................................... 6

1.3 Number Notation ....................................................................................... 8

1.4 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 Supply ................................................................................................. 15

3.2.2 Load .................................................................................................... 15

3.2.3 Battery, Control and Signaling Contacts ............................................ 16

3.2.4 RS-232 Interface ................................................................................. 16

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

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

3.4.1 Rotary Switch for Output Voltage ...................................................... 18

3.4.2 Rotary Switch for Timed Buffer Mode .............................................. 18

3.5 Technical Data ........................................................................................ 19

3.5.1 Device Data ........................................................................................ 19

3.5.2 Technical Data "Input" ....................................................................... 19

3.5.3 Technical Data "Output" .................................................................... 20

3.5.3.1 Technical Data for the Output during Operation with Mains System20

3.5.3.2 Technical Data for the Output during Battery Mode ..................... 20

3.5.4 Technical Data "Signaling" ................................................................ 22

3.5.5 Technical Data "Interface" ................................................................. 22

3.5.6 Technical Data "Ambient Conditions" ............................................... 23

3.5.7 Miscellaneous Data ............................................................................ 23

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

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

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

4.1 Mounting the EPSITRON® Device on the DIN 35 Rail .......................... 26

4.2 Removing the EPSITRON® Device from the DIN 35 Rail ..................... 26

5 Connect Devices ......................................................................................... 27

5.1 Connection Example ............................................................................... 27

6 Function Description ................................................................................. 28

6.1 Tripping of Circuit Breakers ................................................................... 28

6.2 Signaling via LEDs ................................................................................. 29

6.3 Signaling via the Signal Outputs ............................................................. 29

Manual
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4 Table of Contents EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

6.4 Automatic Detection of Battery Modules ............................................... 30

6.4.1 Battery Charging ................................................................................ 30

6.4.1.1 Connecting the 787 Series Battery Modules ................................. 30

6.4.1.2 Connecting a Battery Module from a Third-Party Manufacturer .. 31

6.5 Battery Testing ........................................................................................ 31

6.5.1 Charging ............................................................................................. 31

6.5.2 Presence Test ...................................................................................... 31

6.5.3 Quality Test ........................................................................................ 32

6.5.4 Replacement ....................................................................................... 32

6.6 Battery Mode ........................................................................................... 32

6.6.1 Switch-On Threshold for Battery Mode ............................................. 33

6.6.2 Timed Battery Mode........................................................................... 33

6.6.3 Battery Mode in the IPC Mode ("PC Mode") .................................... 33

6.6.3.1 Delay Time .................................................................................... 34

6.6.3.2 Shut Down PC ............................................................................... 35

6.6.3.3 PC Idle (Off) Time ......................................................................... 35

6.6.4 Deactivating the Battery Mode ........................................................... 36

6.6.5 Deep Discharge Protection during Battery Mode .............................. 36

6.6.6 Recommended Battery Modules ........................................................ 37

=== Ende der Li st e für Te xtm arke Ver zeic hni s_v or ne == =

List of Figures ...................................................................................................... 38

List of Tables ........................................................................................................ 39

Manual
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EPSITRON® Notes about this Documentation 5
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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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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This documentation applies to the switched-mode power supply with integrated
ups charger and controller 787-1675.

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1.1 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 1.0.0

6 Notes about this Documentation EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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1.2 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
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EPSITRON® Notes about this Documentation 7
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

Additional Information:

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

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Manual
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8 Notes about this Documentation EPSITRON®

Table 1: 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 2: 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]

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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1.3 Number Notation

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1.4 Font Conventions

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menu item from a menu.

brackets.

Manual
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EPSITRON® Important Notes 9
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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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 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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Manual
Version 1.0.0

10 Important Notes EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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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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Manual
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EPSITRON® Important Notes 11
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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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.

Pos: 13.12 /Ser ie 787 ( EPSITR ON)/ Wichti ge Erl äuter ungen /Sich erhei ts- und s o nstig e H in weise /G efahr /G efahr : E inb au 787- xxx x nur in Geh äus en, Schr än ken oder el ektr isc hen Betr ie bsr äum en! @ 11 \mod_1317113246230_21.doc @ 79696 @ @ 1

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: 13.13 /Ser ie 787 ( EPSITR ON)/ Wichti ge Erl äuter ungen /Sich erhei ts- und s o nstig e H in weise /G efahr /G efahr : S p annu ng an d en A usgä nge n a uch bei Aus fall der Ne tzs pan nung ! @ 14\mod_1363599131481_21.doc @ 114650 @ @ 1

Voltage present at the load terminals, even on loss of power supply!

Voltage continues to be present at the load terminals even when there is a loss of
power supply and the device switches to the buffer mode! Therefore, never touch
the load terminals! In this case, always remove the jumper between R0 and R1 to
de-energize the load terminals!

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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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Pos: 13.17 /Ser ie 787 ( EPSITR ON)/ Wichti ge Erl äuter ungen /Sic her hei ts- un d sonsti ge Hin weise /Acht ung/A chtu ng: Vers org ungssp annung bei def ekte m Gerät ab schal ten! @ 13\ mod_1346401405605_21.doc @ 102187 @ @ 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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Manual
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12 Important Notes EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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
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EPSITRON® Device Description 13
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

Pos: 15 /All e S eri en ( Allg emei ne Mod ule) /Ü bers chri fte n f ür al le Ser ien/ Ger äte besc hrei bu ng/G erät e beschr ei bung - Üb erschr if t 1 @ 3 \mod_1233756084656_21.doc @ 27096 @ 1 @ 1

3 Device Description

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The switched-mode power supply with integrated ups charger and controller 787­1675, in the following named as uninterruptible power supply system (UPS),
ensures that power is always supplied. If the mains power is lost, all of the
electrical loads connected to the system will continue to operate reliably.

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The system consists of two function units:

• an AC/DC power supply unit with an integrated charger and controller and

• a 24V DC battery module for buffering (not included in the scope of

supply).

Pos: 16.3 /S eri e 7 87 ( EPS ITRO N)/ Ger äteb esc hrei bu ng/ Bes chr eibung /F un kti on/Fu nkti o n 78 7-167 5: Wir kungs weise der Komponenten @ 13\mod_1342600188912_21.doc @ 100544 @ @ 1

All of the components that can be used to set up an uninterruptible power supply
system are optimally matched to and compatible with one another. These
components can be quickly installed and are immediately ready for operation.

Any 787-87x Series battery modules that are connected to the system are detected
automatically by the UPS.

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Battery module not included in the scope of supply!

The scope of supply for this device does not include the battery module. The
device will only continue to operate properly when at least one battery module is
connected. The WAGO range of products includes compatible EPSITRON® 787­87x Series battery modules.

The system can also be integrated into an existing topology via several signaling
contacts and a serial interface.

Critical operating states are signaled at an early stage, before the 24 V system
power collapses and the device shuts down.

Manual
Version 1.0.0

14 Device Description EPSITRON®

Table 3: Legend for "View" figure

No.

Designation

Reference

1

CAGE CLAMP® connections
for 24 VDC output voltage

"Device description" >
"Connections" > "Load"

2

Rotary switch for setting the output

"Device Description" > "Operating

Output Voltage"

3

CAGE CLAMP® connections
for 100 … 240 VAC input voltage

"Device Description" >
"Connections" > "Power Supply"

4

RS-232 serial interface

"Device Description" >

Interface"

5

LEDs

"Device Description" > "Display
Elements"

6

Rotary switch for setting the timed

"Device Description" > "Operating

Timed Buffer Mode"

7

CAGE CLAMP® connections for

"Device Description" > "Operating

Signaling Contacts"

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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3.1 View

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Figure 1: View of device

voltage

buffer mode

Elements" > "Rotary Switch for

"Connections" > "RS-232

Elements" > "Rotary Switch for

battery, control and signaling contacts

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Manual
Version 1.0.0

Elements" > "Battery, Control and

EPSITRON® Device Description 15

Table 4: Power supply connections

No.

Designatio
n

Function

1 L Input voltage: 100 … 240 VAC

2 N N-conductor

3

PE

Ground conductor

Table 5: Terminals – Load

No.

Designatio
n

Function

1 + Output voltage: 24 VDC

2 + Output voltage: 24 VDC

3 - Reference potential 0 V

4 - Reference potential 0 V

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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3.2 Connectors

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3.2.1 Supply

Figure 2: Supply connection

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3.2.2 Load

Figure 3: Load terminals

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Manual
Version 1.0.0

16 Device Description EPSITRON®

Table 6: Connections – Battery, control and signaling contacts

No.

Designatio
n

Function

1

B)

Battery connection 0 V

2

B)

Battery connection 24 V

3

°C

Signal line for "Bat. Control"

4

°C

Signal line for "Bat. Control"

5

R0

Remote shutdown in Buffer mode

6

R1

Remote shutdown in Buffer mode

7

34

Signal output "Bat.Charge"

8

24

Signal output "Bat.Mode"

9

14

Signal output "Alarm"

10

13

External supply voltage 24 VDC

Table 7: Connections – RS-232 interface

No.

Designation

Function

1 1 Transmitter (Tx)

2 2 Receiver (Rx)

3 3 Reference potential 0V

4 4 Output voltage: 24 VDC

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

3.2.3 Battery, Control and Signaling Contacts

Figure 4: Battery, control and
signaling contacts

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3.2.4 RS-232 Interface

Figure 5: RS-232 interface

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for signal outputs 7, 8 and 9.

Manual
Version 1.0.0

EPSITRON® Device Description 17

Table 8: Legend for "Indicators" figure

No.

LED

Designation

Explanation:

1

red

Alarm

The unit is faulted, or the Battery mode is
being terminated.

2

yellow

Charge/
Bat. Mode

The unit is charging the batteries, or is
operating in the Battery mode.

3

green

DC OK

The unit is ready for use.

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

3.3 Display Elements

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The unit is equipped with three LEDs, which indicate the following statuses:

Figure 6: Display elements

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Further signaling possible!

Other statuses can also be indicated if an error occurs. For information about this,
refer to the "Operating Statuses" table given in this manual.

Manual
Version 1.0.0

18 Device Description EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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3.4 Operating Elements

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3.4.1 Rotary Switch for Output Voltage

The unit is set at the factory for an output voltage of 24 VDC. You can change
this value using the rotary switch. The output voltage can be set to any value
between 23 … 28.5 VDC.

Figure 7: Rotary switch for output voltage

3.4.2 Rotary Switch for Timed Buffer Mode

The unit is set at the factory for battery operation for an indefinite period of time.
You can change this value using the rotary switch. Besides set time periods from
1 ... 20 minutes, the following settings can also be made:

• PC Mode: The unit operates based on a time sequence, which shuts down

an IPC, a control system or display and operator panel in a controlled
manner when battery operation is ended. All default values can be set
individually using the "759-870 V2" configuration software (starting from
Version 2.5).

• Indefinite mode ("∞"): Power supply is maintained until the deep

discharge threshold is reached.

• Custom mode: The timed Battery mode can be set individually using the

"759-870 V2" configuration software (starting from Version 2.5).

Figure 8: Rotary switch for battery operation

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Manual
Version 1.0.0

EPSITRON® Device Description 19

Table 9: Device data

Width

60 mm/2.36 in.

Height

127 mm

Height from upper-edge of DIN 35 rail

135.5 mm

Weight

800 g

Table 10: Technical data - "Input"

Nominal input voltage

100 ... 240 VAC

Input voltage range AC

85 ... 264 VAC

Input voltage derating AC

-1.5 %/VAC < 110 VAC

Input voltage range DC

120 ... 372 VDC

Input voltage derating DC

-1 %/VDC < 150 VDC

Frequency range

47 … 63 Hz/
0 Hz

Input current Ie

1.1 A for 230 VAC;

2.2 A for 100 VAC

Inrush current

less than 30 A

Turn-on time

less than 100 ms

Transient overvoltage protection:

Varistor

Discharge current to PE

1 mA

Input fuse (internal)

4 A, slow

Recommended backup fusing:

6 A, 10 A or 16 A
(Characteristic B or C)

Input modules

CAGE CLAMP®, 721 Series;

0.08 mm2 … 2.5 mm2; AWG 28 … 12

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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3.5 Technical Data

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3.5.1 Device Data

3.5.2 Technical Data "Input"

Manual
Version 1.0.0

20 Device Description EPSITRON®

Table 11: Technical data - "Output"

Recovery stability

maximum 35 VDC

Overvoltage Protection

38 VDC

Parallel connection of several modules

yes, with a maximum of two modules
decoupled from one another

Series connection of several modules

yes, without any restrictions

Output nominal current

5 A

Tripping of fuses

Maximum B4 power circuit breakers

Output terminals

CAGE CLAMP®, 721 Series;

0.08 mm2 … 2.5 mm2; AWG 28 … 12

Line length

≤ 3 m

Table 12: Technical data for the output during operation with the mains system

Nominal output voltage

24 VDC, SELV

Output voltage range

23 ... 28.5 VDC

Output current limit

starting at approx. 1.1 x nominal
current, constant current

Adjustment accuracy

less than 1 %
Static load change 10 … 90 %

Maximum power loss at nominal load, -

charged battery

22 W

Maximum power loss at nominal load, -

charged battery

17 W

Maximum power loss at nominal load, -

charged

30 W

Efficiency

typically 88 %

Residual ripple

typically 50 mVSS

Table 13: Technical data for the output during Battery mode

Output voltage

24 VDC, SELV

Output voltage range

U

BAT

-0.5 V (27.5 … 19 VDC)

Output current limit

starting at approx. 1.1 x nominal current

Maximum power loss at nominal load

5.2 W

Maximum power loss during open­circuit operation

3.2 W
Remote shutdown

yes

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

3.5.3 Technical Data "Output"

3.5.3.1 Technical Data for the Output during Operation with Mains System

100VAC input voltage and fully

230VAC input voltage and fully

90VAC input voltage, battery being

3.5.3.2 Technical Data for the Output during Battery Mode

Manual
Version 1.0.0

EPSITRON® Device Description 21

Table 13: Technical data for the output during Battery mode

Switching of capacitive loads

maximum 10000 µF

Adjustable buffer time

1, 2, 3, 5, 10, 15 and 20 minutes;

configuration software)

Reverse voltage protection

yes

Charging characteristics

Three-stage charging process,
IUoU characteristic

Charging current

0.3 … 0.6 ADC

End-of-charge voltage

26 … 29.5 VDC, temperature-

using the software.

Battery presence test

1 x per minute

Remaining power test

every 10 minutes

Deep discharge protection

19 VDC

Message threshold "Battery power very
low"

20.4 VDC

Parallel connection of battery modules

yes, maximum of three. The "Battery

connected to one battery module.

Output terminals

CAGE CLAMP®, 721 Series;

0.08 mm2 … 2.5 mm2; AWG 28 … 12

Line length

≤ 3 m

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

"PC mode";
"∞";
"Custom" (can be set via the RS-232
interface and the "759-870 V2"

controlled. These values can be set

control" signal lines may only be

Manual
Version 1.0.0

22 Device Description EPSITRON®

Table 14: Technical data - "Signaling"

LEDs

green/red/yellow

Supply for signal outputs

"Bat. Charge"

maximum 30 V,

Signal output "Bat. Alarm"

Maximum 30 V.

RS-232 interface

Signal output "Bat. Mode"

Maximum 30 V.

RS-232 interface

Signal output "Bat. Charge"

Maximum 30 V.

RS-232 interface

Signal terminals

CAGE CLAMP®, 721 Series;

0.08 mm2 … 2.5 mm2; AWG 28 … 12

Line length

≤ 3 m

Table 15: Technical Data: Interface

Interface standard

RS-232

Data lines

TxD/RxD

Control lines

none

Output voltage

24 VDC

Reference potential

0 VAC

Baud rate

9600 baud

Data bits

8

Stopbits

1

Parity

none

Protocol

On request

Configuration Software

759-870 V2, from Version 2.5

www.wago.com)

Interface modules

CAGE CLAMP®, 734 Series;

0.08 mm2 … 0.5 mm2; AWG 28 … 20

Line length

≤ 3 m

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

3.5.4 Technical Data "Signaling"

"Bat. Alarm", "Bat. Mode" and

3.5.5 Technical Data "Interface"

current limited to 200 mA

Contact open: Fault/
Replacement of the battery module;
Signal options can be configured via the

Contact closed: Battery mode;
Signal options can be configured via the

Contact closed: Battery being charged;
Signal options can be set via the

Manual
Version 1.0.0

(available free of charge at

EPSITRON® Device Description 23

Table 16: Technical data - "Ambient conditions"

Storage temperature

-25 °C … +85 °C

Ambient operating temperature

-25 °C … +70 °C

Derating

-3 %/K (> +50 °C)

Convection cooling

yes

Relative humidity (without
condensation)

30 … 85 %

Requisite minimum spacing
(lateral)

0 mm

Requisite minimum spacing
(top/bottom)

50 mm/1.96 in.

Table 17: Miscellaneous data

Test voltage Primary Secondary

4200 VDC

Degree of protection

IP20

Protection class (acc. to EM 61140)

I (with PE conductor)

Cooling

Natural convection cooling

Pollution degree

2

Climatic category:

3+K3

MTBF

more than 500,000 hours

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

3.5.6 Technical Data "Ambient Conditions"

3.5.7 Miscellaneous Data

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Manual
Version 1.0.0

24 Device Description EPSITRON®

Conformity Marking

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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3.6 Approvals

Pos: 33 /Ser ie 78 7 (EP SITR ON) /Ger ät ebes chr ei bung /Zul ass ung en/Z ula ssu nge n U nter br echu ngs frei e St rom vers or gung 78 7-xxxx allgemein, ohne Variantenangabe - Einleitun @ 13\mod_1347518988157_21.doc @ 102690 @ @ 1

The following approvals have been awarded to the uninterruptible power supply
system 787-1675:

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Manual
Version 1.0.0

EPSITRON® Device Description 25
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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3.7 Standards and Guidelines

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The uninterruptible power supply system 787-1675 complies with the following
standards and guidelines:

Pos: 38 /All e S eri en ( Allg emei ne Mod ule) /N or men un d Ri chtl i nien/ Sic her heit : DI N EN 6 1204 :20 00 @ 1 3\mod_1346665870671_21.doc @ 102249 @ @ 1

Low-voltage power supplies, IEC 61204-3:2000
DC output
Part 3: Electromagnetic
compatibility (EMC)

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Safety of transformers, reactors, IEC 61558-2-16:2009
power supply units and similar
products for supply voltages up to
1100 V –
Part 2-16: Particular requirements and
tests for switch mode power supply
units and transformers for switch mode
power supply units

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Information technology IEC 60950-1:2009
equipment –
Safety –
Part 1: General requirements

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EC EMC Directive 2004/108/EC

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EC Low Voltage directive (LVD) 2006/95/EC

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Manual
Version 1.0.0

26 Mounting EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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4 Mounting

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4.1 Mounting the EPSITRON® Device on the DIN 35 Rail

The EPSITRON® device is designed for mounting on a DIN 35 rail.

Figure 9: Mounting the device on the DIN 35 rail.

Place the EPSITRON® device with its DIN rail guide on the top edge of the DIN
rail and press it down until it locks into place.

Lightly shake the E PS ITRON® device to ensure that it is correctly locked into
place.

4.2 Removing the EPSITRON® Device from the DIN 35 Rail

Figure 10: Removing the device from the DIN 35 rail.

Use a screwdriver to open the snap-on catch and detach the EPSITRON® device
from the bottom edge of the DIN rail.

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Manual
Version 1.0.0

EPSITRON® Connect Devices 27
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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5 Connect Devices

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5.1 Connection Example

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Figure 11: Connection example

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Manual
Version 1.0.0

28 Function Description EPSITRON®

Table 18: Tripping of circuit breakers

Fuse

W 2

W 3

W 4

W 6

W 10

C 2

C 4

C 6

C 10

x x x x

x x x x

x x x x x x

x x x x x x

x x x x x x

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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6 Function Description

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6.1 Tripping of Circuit Breakers

Cross Section Length

0.75 mm2/

40 m

AWG 18

20 m

40 m

1.5 mm2/
AWG 16

20 m

40 m

2.5 mm2/
AWG 14

20 m

Rapid magnetic trip is possible only up to the B4 characteristic.

An appropriate circuit breaker must be selected.

The line lengths listed here have been established through experiments at approx.
25 °C and serve as reference values to determine appropriate circuit breakers for
the DC side. Always check in advance whether the given information also applies
to your conditions!

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Manual
Version 1.0.0

EPSITRON® Function Description 29

Table 19: Operating statuses, signaling and reactions.

The unit is in normal operation, output

is charged.

The unit is in normal operation and the battery

capacity).

The unit is in normal operation and Battery

or no connection for remote shutdown R0/R1)

The unit is in normal operation. Battery
replacement is recommended.

The unit is in the Battery mode and the
battery voltage is greater than 20.4 V.

The unit is in the Battery mode and the
battery voltage is less than 20.4 V.

The unit's deep discharge protection system

for a maximum of 10 hours.

The unit is operating in the Battery mode and

account of excessive current.

on/

blinks

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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6.2 Signaling via LEDs

The table below contains all of the LED signals that can occur on the device:

LED

Description

green yellow red

voltage is greater than 20.4 V and the battery

is being charged (charging < 85 % of rated

mode is not possible (negative presence test,

has terminated the Battery mode (battery
voltage ≤ 19.2 V); signaling will be continued

the DC output has been de-activated on

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On Off Off

On On Off

On Off On

On Off blinks slowly

On blinks slowly Off

On blinks quickly Off

Off Off blinks slowly

Off

6.3 Signaling via the Signal Outputs

off/

blinks slowly

There are three signal outputs on the unit that can be used to read off the specific
operating status. These signal outputs are preconfigured at the factory with the
following operating statuses:

• Signal output "Bat. Alarm": The contact is open when buffer operation is

not possible, or when battery replacement is recommended.

• Signal output "Bat. Mode": The contact is closed when the unit is in the

Battery mode.

• Signal output "Bat. Charge": The contact is closed when the battery is

being charged.

The preconfigured operating modes can also be customized as required, for
example, several events can be applied to one signal output.

The logics can be modified via the "759-870 V2" configuration software (starting
from Version 2.5).

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6.4 Automatic Detection of Battery Modules

The unit automatically detects 787-87x Series battery modules connected to the
system, provided the "Bat. Control" (C+/C-) signal lines are connected. The
internal temperature sensor can also be evaluated with these modules. The
charging voltage can be re-adjusted as required during the float charge phase
based on the measured temperature.

Extend the service life of the battery modules used!

The service life of the battery modules used is reduced if the ambient conditions
are not favorable. Always ensure therefore that the batteries are not used in
excessive ambient temperatures. Information on this is given in the battery
manufacturer's data sheet.

6.4.1 Battery Charging

The 787-87x Series battery modules are equipped with an internal temperature
sensor of type NTC K164 (4.7 kΩ), which measures the temperature of the
module. It is installed directly in each battery module.

6.4.1.1 Connecting the 787 Series Battery Modules

1. Ensure that the unit is not live by removing the power supply and the fuse in

the battery module.

2. Connect the "Battery" (B+/B-) terminal of the unit to the "Battery" (+/-)

terminal of the battery Ensure that the polarity is correct!

3. Connect the "Bat. Control" (C+/C-) terminal of the unit to the "CTRL"

(Ctrl+/Ctrl-) terminal of the battery. Again, ensure proper connection of the
correct terminals (polarity)!

4. Re-install the fuse in its receptacle on the battery module.

5. Connect the power supply.

The green LED on the unit will then light up; the yellow LED may also light up.

The red LED lights up when applying the power supply!

A fault is present is the red LED remains lit after power has been applied. If this
happens, refer to the table "Signaling via LEDs" given in this manual!

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EPSITRON® Function Description 31
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

6.4.1.2 Connecting a Battery Module from a Third-Party Manufacturer

Before connecting, check whether the battery module you wish to use is a
rechargeable

• lead cell battery,

• lead-gel battery or

• lead-acid absorbed glass mat (AGM) battery

with a nominal voltage of 24 VDC. The unit may only be operated with these
types of batteries!

1. Ensure that the unit is not live by removing the power supply and any fuse

which may be present in the battery module.

2. Connect the "Battery" (B+/B-) terminal of the unit to the "Battery" (+/-)

terminal of the battery Ensure that the polarity is correct!

3. Re-install the fuse in its receptacle on the battery module.

4. Connect the power supply.

The green LED on the unit will then light up; the yellow LED may also light up.

The red LED lights up when applying the power supply!

A fault is present is the red LED remains lit after power has been applied. If this
happens, refer to the table "Signaling via LEDs" given in this manual!

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6.5 Battery Testing

Different battery tests are carried out, depending on the operating status of the
batteries. Corresponding alarms or messages are generated if the unit detects any
abnormal conditions.

6.5.1 Charging

Batteries are charged during normal operation. The charge level is checked for
this every 60 seconds. If the charge level for the batteries is less than 85 % the
yellow LED lights up and the signal output "Bat. Charge" is activated.

6.5.2 Presence Test

The unit performs a presence test automatically every 60 seconds. This test checks
whether the battery module is properly connected and operational. A brief and
slight load is applied to the batteries during this test. This test is only performed
when the unit is in normal operation.

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32 Function Description EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

If the unit determines negative results for the test, it is repeated again after only
30 seconds. The red LED lights up and the signal output "Bat. Alarm" is activated.

6.5.3 Quality Test

The service life of batteries is limited and can be between 2 - 5 years, depending
on the ambient temperature. The residual service life of batteries of the 787 Series
connected to the unit is calculated dynamically. A load is also applied to the
batteries in defined cycles to ensure that the permissible voltage drop is not
exceeded. This test thus ensures that the batteries being used are always ready for
operation.

If the unit determines negative results for the test, the red LED flashes and the
signal output "Bat. Alarm" is activated.

Replace any defective battery module at once!

Always replace any defective battery module at once! Proper, reliable operation
of the connected loads can only be continued on a loss of power supply when
intact, fault-free battery modules are used!

6.5.4 Replacement

If the battery service life has expired, the batteries used in the module must be
replaced either in pairs, or the complete module must be replaced. Consult the
instruction manual for this that came with your battery module.

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6.6 Battery Mode

The unit switches over "bumplessly" to the Battery mode when there is a loss of
power supply. The required 24 VDC power supply is then taken directly from the
battery. The level of the output voltage depends on the charging level and the
capacity of the battery.

Voltage present at the load terminals, even on loss of power supply!

Voltage continues to be present at the load terminals even when there is a loss of
power supply and the device switches to the buffer mode! Therefore, never touch
the load terminals! In this case, always remove the jumper between R0 and R1 to
de-energize the load terminals!

When the unit is in the Battery mode the yellow LED blinks slowly and the signal
output "Bat. Mode" is activated.

In the Battery mode the unit is designed to

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EPSITRON® Function Description 33
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

• maintain power supply for a set time period and

• to shut down an industrial PC connected to the system in a controlled

manner and restart it.

The Windows software "759-870 V2" can be installed free of charge for
individual configuration. The UPS and the PC are connected via the 787-892
communication cable.

Observe the information given in the Help function for the "759-870 V2"
configuration software!

Follow the information given in the Help function in the software to properly
install the "759-870 V2" configuration software and use it for individually
configuring your system. You can download the softare free of charge at

www.wago.com.

6.6.1 Switch-On Threshold for Battery Mode

Power supply is drawn from the battery when the output voltage drops below the
set switch-on threshold. The factory default setting for the switch-on threshold is
22 V. You can also set this threshold using the "759-870 V2" configuration
software, starting from Version 2.5, to custom values between 20 … 25.5 V.

6.6.2 Timed Battery Mode

The unit is set at the factory for battery operation for an indefinite period of time.
At this setting, the entire battery capacity is set to maintain the 24 V power
supply. These values can, however, be changed. The following settings are
possible:

• timed Battery mode from 1 − 20 minutes,

• indefinite Battery mode,

• individually defined (custom) Battery mode via the "759-870 V2" software

• Battery mode in the IPC mode (see following section).

6.6.3 Battery Mode in the IPC Mode ("PC Mode")

In the IPC mode the unit operates according to a defined time sequence in which
an industrial PC, a control system or a display and operator panel is shut down in
a controlled manner and then restarted. All of the set values can be changed
(customized) using the "759-870 V2" configuration software. The following
values can be set:

• Delay time: 1 – 7200 seconds

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34 Function Description EPSITRON®
787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

• Shut down PC: 1 – 600 seconds

• PC idle (off) time: 1 – 60 seconds

The time sequence for the individual actions is permanently defined.

6.6.3.1 Delay Time

The unit's output is not de-activated if power is restored within the set delay time.
The signal output "Bat. Mode" remains inactive so that no signal is generated that
would shut down the IPC. This is illustrated in the following flow chart:

Figure 12: Flow chart – "Input voltage restored during the set delay time."

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787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

If the set delay time expires before power is restored, the output voltage and
signal output are switched as shown in the flow chart below:

Figure 13: Flow chart – "Input voltage not restored before set delay time expires."

6.6.3.2 Shut Down PC

The signal output "Bat. Mode" is activated when the set delay time expires. This
signal must be routed to an IPC connected to the system, a control system or a
display and operator panel so that the device in question can be shut down in a
controlled manner. The signal output remains activated until the time set in the
field "Shut down PC" expires. Ample time should be allowed for by this time
setting.

6.6.3.3 PC Idle (Off) Time

The output voltage is de-activated when the time set in the field "Shut down PC"
expires. The time at which the output is re-activated depends on whether power
supply has been restored:

• If voltage is restored before the time set in the field "Shut down PC"

expires, the output is re-activated when the idle time has also expired. This
ensures that the devices connected to the system cannot be restarted
immediately after shutdown, even when power has been restored in the
meantime.

• If voltage has not been restored before the time set in the field "Shut down

PC" expires, the output is not re-activated until the voltage is restored.

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787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

Figure 14: Flow chart – "Input voltage not restored before the set delay time expires."

6.6.4 Deactivating the Battery Mode

The Battery mode can be de-activated if the load connected to the system is not to
be supplied from the battery module. This can be necessary, for example, when an
EMERGENCY OFF button that is linked to the system is pressed.

To de-activate the Battery mode, disconnect the two contacts for the "Remote"
input (R0/R1).

If this connection is not present during normal operation, the red LED will light
up continuously and the signal output "Alarm" is activated. The Battery mode is
not possible in this case.

6.6.5 Deep Discharge Protection during Battery Mode

The Battery mode is forcefully terminated at a voltage of 19.2 V to protect the
batteries connected to the unit from deep discharge. The red LED flashes for
10 hours at maximum before the unit is shut down completely. The output is re­activated when power supply is restored.

Recharge an empty battery at once!

Recharge an empty battery as quickly as possible when mains power is restored!
Empty batteries lose around 3 % of their capacity per month (self-discharge)!

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Table 20: Recommended battery modules

Battery
module

Capacity

Maximum

output current*

Internal

fuse

Maximum wire size

787-876

1.2 Ah

7.5 A

15 A, slow

1.5 mm2/AWG 16

787-871

3.2 Ah

20 A

25 A, slow

1.5 mm2/AWG 16

787-872

7.0 Ah

40 A

25 A, slow

2.5 mm2/AWG 14

787-873

12 Ah

40 A

25 A, slow

2.5 mm2/AWG 14

* Please note that the permanent output current at the unit is limited! For more detailed information
refer to the technical data.

787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

6.6.6 Recommended Battery Modules

WAGO offers a battery module designed especially for EPSITRON® devices.
These are listed below:

Regardless of the recommended battery modules, any type of lead-gel or lead-acid
absorbed glass mat (AGM) battery can be used.

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Observe the data sheet!

Always observe the battery manufacturer's data sheet before purchasing a battery
module. The data sheet contains more in-depth information and describes whether
the corresponding module is suited for your use.

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38 List of Figures EPSITRON®
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List of Figures

Figure 1: View of device ....................................................................................... 14

Figure 2: Supply connection .................................................................................. 15

Figure 3: Load terminals ....................................................................................... 15

Figure 4: Battery, control and signaling contacts .................................................. 16

Figure 5: RS-232 interface .................................................................................... 16

Figure 6: Display elements .................................................................................... 17

Figure 7: Rotary switch for output voltage ........................................................... 18

Figure 8: Rotary switch for battery operation ....................................................... 18

Figure 9: Mounting the device on the DIN 35 rail. ............................................... 26

Figure 10: Removing the device from the DIN 35 rail. ........................................ 26

Figure 11: Connection example ............................................................................ 27

Figure 12: Flow chart – "Input voltage restored during the set delay time." ........ 34

Figure 13: Flow chart – "Input voltage not restored before set delay time expires."

...................................................................................................................... 35

Figure 14: Flow chart – "Input voltage not restored before the set delay time

expires." ....................................................................................................... 36

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787-1675 Switched-Mode Power Supply with Integrated UPS Charger and Controller

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List of Tables

Table 1: Number notation ........................................................................................ 8

Table 2: Font conventions ....................................................................................... 8

Table 3: Legend for "View" figure ........................................................................ 14

Table 4: Power supply connections ....................................................................... 15

Table 5: Terminals – Load .................................................................................... 15

Table 6: Connections – Battery, control and signaling contacts ........................... 16

Table 7: Connections – RS-232 interface .............................................................. 16

Table 8: Legend for "Indicators" figure ................................................................ 17

Table 9: Device data .............................................................................................. 19

Table 10: Technical data - "Input" ........................................................................ 19

Table 11: Technical data - "Output" ...................................................................... 20

Table 12: Technical data for the output during operation with the mains system 20

Table 13: Technical data for the output during Battery mode .............................. 20

Table 14: Technical data - "Signaling" ................................................................. 22

Table 15: Technical Data: Interface ...................................................................... 22

Table 16: Technical data - "Ambient conditions" ................................................. 23

Table 17: Miscellaneous data ................................................................................ 23

Table 18: Tripping of circuit breakers ................................................................... 28

Table 19: Operating statuses, signaling and reactions. ......................................... 29

Table 20: Recommended battery modules ............................................................ 37

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Manual
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WAGO Kontakttechnik GmbH & Co. KG

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Postfach 2880 • D-32385 Minden
Hansastraße 27 • D-32423 Minden
Phone: [phone] – 0
Fax: [phone] – 1 69
E-Mail: [e-mail]

Internet: http://www.wago.com

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