WAGO DeviceNet 750-306 User Manual
WAGO-I/O-SYSTEM 750
Manual
750-306
Fieldbus Coupler
Version 2.0.0
DeviceNetTM
125 Kbaud ... 500 Kbaud; digital and analog signals
2 WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
© 2015 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
E-Mail: info@wago.com
Web: http://www.wago.com
Technical Support
Phone: +49 (0) 571/8 87 – 5 55
Fax: +49 (0) 571/8 87 – 85 55
E-Mail: support@wago.com
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: documentation@wago.com
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 2.0.0
WAGO-I/O-SYSTEM 750 Table of Contents 3
750-306 DeviceNet
TM
Fieldbus Coupler
Table of Contents
1 Notes about this Documentation ................................................................. 7
1.1 Validity of this Documentation ................................................................. 7
1.2 Copyright ................................................................................................... 7
1.3 Symbols ..................................................................................................... 8
1.4 Number Notation ..................................................................................... 10
1.5 Font Conventions .................................................................................... 10
2 Important Notes ......................................................................................... 11
2.1 Legal Bases ............................................................................................. 11
2.1.1 Subject to Changes ............................................................................. 11
2.1.2 Personnel Qualifications ..................................................................... 11
2.1.3 Use of the WAGO-I/O-SYSTEM 750 in Compliance with Underlying
Provisions ........................................................................................... 11
2.1.4 Technical Condition of Specified Devices ......................................... 12
2.2 Safety Advice (Precautions) .................................................................... 13
3 System Description..................................................................................... 15
3.1 Manufacturing Number ........................................................................... 16
3.2 Component Update .................................................................................. 17
3.3 Storage, Assembly and Transport ........................................................... 17
3.4 Assembly Guidelines/Standards .............................................................. 18
3.5 Power Supply .......................................................................................... 19
3.5.1 Isolation .............................................................................................. 19
3.5.2 System Supply .................................................................................... 20
3.5.2.1 Connection ..................................................................................... 20
3.5.2.2 Dimensioning ................................................................................. 21
3.5.3 Field Supply........................................................................................ 24
3.5.3.1 Connection ..................................................................................... 24
3.5.3.2 Fusing ............................................................................................ 26
3.5.4 Supplementary Power Supply Regulations ........................................ 29
3.5.5 Supply Example.................................................................................. 30
3.5.6 Power Supply Unit ............................................................................. 32
3.6 Grounding ............................................................................................... 33
3.6.1 Grounding the DIN Rail ..................................................................... 33
3.6.1.1 Framework Assembly .................................................................... 33
3.6.1.2 Insulated Assembly ........................................................................ 33
3.6.2 Grounding Function............................................................................ 34
3.7 Shielding ................................................................................................. 35
3.7.1 General ............................................................................................... 35
3.7.2 Bus Cables .......................................................................................... 35
3.7.3 Signal Lines ........................................................................................ 36
3.7.4 WAGO Shield Connecting System .................................................... 36
4 Device Description ..................................................................................... 37
4.1 View ........................................................................................................ 38
4.2 Connectors ............................................................................................... 40
4.2.1 Device Supply .................................................................................... 40
4.2.2 Fieldbus Connection ........................................................................... 41
Manual
Version 2.0.0
4 Table of Contents WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
4.3 Display Elements .................................................................................... 42
4.4 Operating Elements ................................................................................. 43
4.4.1 Service Interface ................................................................................. 43
4.4.2 DIP Switch.......................................................................................... 44
4.4.2.1 Baud Rate Setting .......................................................................... 44
4.4.2.2 Station address ............................................................................... 45
4.5 Technical Data ........................................................................................ 46
4.5.1 Device Data ........................................................................................ 46
4.5.2 System Data ........................................................................................ 46
4.5.3 DeviceNetTM Fieldbus ........................................................................ 46
4.5.4 Supply ................................................................................................. 47
4.5.5 Accessories ......................................................................................... 47
4.5.6 Connection Type ................................................................................ 47
4.5.7 Climatic Environmental Conditions ................................................... 48
4.5.8 Mechanical Strength acc. to IEC 61131-2 .......................................... 48
4.6 Approvals ................................................................................................ 49
4.7 Standards and Guidelines ........................................................................ 51
5 Mounting ..................................................................................................... 52
5.1 Installation Position ................................................................................. 52
5.2 Overall Configuration ............................................................................. 52
5.3 Mounting onto Carrier Rail ..................................................................... 54
5.3.1 Carrier Rail Properties ........................................................................ 54
5.3.2 WAGO DIN Rail ................................................................................ 55
5.4 Spacing .................................................................................................... 55
5.5 Mounting Sequence ................................................................................. 56
5.6 Inserting and Removing Devices ............................................................ 57
5.6.1 Inserting the Fieldbus Coupler/Controller .......................................... 58
5.6.2 Removing the Fieldbus Coupler/Controller ....................................... 58
5.6.3 Inserting the I/O Module .................................................................... 59
5.6.4 Removing the I/O Module .................................................................. 60
6 Connect Devices ......................................................................................... 61
6.1 Data Contacts/Internal Bus ..................................................................... 61
6.2 Power Contacts/Field Supply .................................................................. 62
6.3 Connecting a Conductor to the CAGE CLAMP® ................................... 63
7 Function Description ................................................................................. 64
7.1 Operating System .................................................................................... 64
7.2 Process Data Architecture ....................................................................... 65
7.2.1 Basic Setup ......................................................................................... 65
7.3 Data Exchange ........................................................................................ 66
7.3.1 Communication Interfaces .................................................................. 67
7.3.2 Memory Space .................................................................................... 67
7.3.3 Addressing .......................................................................................... 68
7.3.3.1 Fieldbus-Specific Addressin g ........................................................ 68
8 Commissioning ........................................................................................... 71
8.1 Connecting Client PC and Fieldbus Nodes ............................................. 72
8.2 Setting the DeviceNet™ Station Address and Baud Rate ........................ 73
8.3 Configuring Static Assemblies ................................................................ 73
Manual
Version 2.0.0
WAGO-I/O-SYSTEM 750 Table of Contents 5
750-306 DeviceNet
TM
Fieldbus Coupler
9 Diagnostics .................................................................................................. 74
9.1 LED Signaling ......................................................................................... 74
9.1.1 Evaluating the Fieldbus Status ........................................................... 75
9.1.2 Evaluating Node Status – I/O LED (Blink Code Table) .................... 76
9.1.3 Evaluating Power Supply Status ........................................................ 83
10 Fieldbus Communication .......................................................................... 84
10.1 DeviceNetTM ............................................................................................ 84
10.1.1 Network Structure .............................................................................. 85
10.1.1.1 Transfer Media ............................................................................... 85
10.1.1.2 Cabling ........................................................................................... 86
10.1.1.3 Topology ........................................................................................ 88
10.1.1.4 Network Grounding ....................................................................... 89
10.1.1.5 Interface Modules .......................................................................... 89
10.1.2 Network Communication ................................................................... 90
10.1.2.1 Objects, Classes, Instances and Attributes .................................... 90
10.1.3 Characteristics of DeviceNetTM Devices ............................................ 91
10.1.3.1 Communication Model .................................................................. 91
10.1.3.1.1 Message Groups ........................................................................ 91
10.1.3.1.2 Message Types .......................................................................... 91
10.1.3.1.2.1 I/O Messages ........................................................................ 91
10.1.3.1.2.2 Explicit Messages ................................................................. 91
10.1.3.2 Data Exchange ............................................................................... 92
10.1.4 Process Data and Diagnostic Status ................................................... 92
10.1.4.1 Process Image ................................................................................ 92
10.1.4.1.1 Assembly Instances ................................................................... 92
10.1.5 Configuration and Parameterization Using the Object Model ........... 94
10.1.5.1 EDS Files ....................................................................................... 94
10.1.5.2 Object Model ................................................................................. 94
10.1.5.2.1 Object Classes ........................................................................... 96
10.1.5.2.1.1 Identity Class (0x01) ............................................................ 96
10.1.5.2.1.2 Message Router (0x02) ........................................................ 97
10.1.5.2.1.3 DeviceNet Object (0x03) ..................................................... 97
10.1.5.2.1.4 Assembly Object (0x04) ....................................................... 98
10.1.5.2.1.5 Connection Object (0x05) .................................................. 103
10.1.5.2.1.6 Acknowledge Handler Object (0x2B) ................................ 108
10.1.5.2.1.7 Coupler Configuration Object (0x64) ................................ 108
10.1.5.2.1.8 Discrete Input Point Object (0x65) .................................... 114
10.1.5.2.1.9 Discrete Output Point Object (0x66) .................................. 115
10.1.5.2.1.10 Analog Input Point Object (0x67) ...................................... 116
10.1.5.2.1.11 Analog Output Point Object (0x68) ................................... 117
10.1.5.2.1.12 Module Configuration Object (0x80) ................................. 118
11 I/O Modules .............................................................................................. 119
11.1 Overview ............................................................................................... 119
11.2 Process Data Architecture for DeviceNetTM ......................................... 120
11.2.1 Digital Input Modules....................................................................... 120
11.2.2 Digital Output Modules .................................................................... 121
11.2.3 Analog Output Modules ................................................................... 123
11.2.4 Specialty Modules ............................................................................ 124
11.2.5 System Modules ............................................................................... 144
Manual
Version 2.0.0
6 Table of Contents WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
12 Use in Hazardous Environments ............................................................ 145
12.1 Marking Configuration Examples ......................................................... 146
12.1.1 Marking for Europe According to ATEX and IEC-Ex .................... 146
12.1.2 Marking for America According to NEC 500 .................................. 151
12.2 Installation Regulations ......................................................................... 152
12.2.1 Special Conditions for Safe Use (ATEX Certificate TÜV 07 ATEX
554086 X) ......................................................................................... 153
12.2.2 Special Conditions for Safe Use (ATEX Certificate TÜV 12 ATEX
106032 X) ......................................................................................... 154
12.2.3 Special Conditions for Safe Use (IEC-Ex Certificate TUN 09.0001 X)155
12.2.4 Special Conditions for Safe Use (IEC-Ex Certificate IECEx TUN
12.0039 X) ........................................................................................ 156
12.2.5 Special Conditions for Safe Use According to ANSI/ISA 12.12.01 157
List of Figures .................................................................................................... 158
List of Tables ...................................................................................................... 160
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 Notes about this Documentation 7
750-306 DeviceNet
TM
Fieldbus Coupler
1 Notes about this Documentation
Always retain this documentation!
This documentation is part of the product. Therefore, retain the documentation
during the entire service life of the product. Pass on the documentation to any
subsequent user. In addition, ensure that any supplement to this documentation is
included, if necessary.
1.1 Va lidity of this Documentation
This documentation is only applicable to the “DeviceNetTM Fieldbus Coupler”
(750-306).
The product “DeviceNetTM Fieldbus Coupler” (750-306) shall only be installed
and operated according to the instructions in this manual and the system
description for the WAGO-I/O-SYSTEM 750.
Consider power layout of the WAGO-I/O-SYSTEM 750!
In addition to these operating instructions, you will also need the system
description for the WAGO-I/O-SYSTEM 750, which can be downloaded at
www.wago.com. There, you can obtain important information including
information on electrical isolation, system power and supply specifications.
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.
Manual
Version 2.0.0
8 Notes about this Documentation WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
1.3 Symbols
Personal Injury!
Indicates a high-risk, imminently hazardous situation which, if not avoided, will
result in death or serious injury.
Personal Injury Caused by Electric Current!
Indicates a high-risk, imminently hazardous situation which, if not avoided, will
result in death or serious injury.
Personal Injury!
Indicates a moderate-risk, potentially hazardous situation which, if not avoided,
could result in death or serious injury.
Personal Injury!
Indicates a low-risk, potentially hazardous situation which, if not avoided, may
result in minor or moderate injury.
Damage to Property!
Indicates a potentially hazardous situation which, if not avoided, may result in
damage to property.
Damage to Property Caused by Electrostatic Discharge (ESD)!
Indicates a potentially hazardous situation which, if not avoided, may result in
damage to property.
Important Note!
Indicates a potential malfunction which, if not avoided, however, will not result in
damage to property.
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 Notes about this Documentation 9
750-306 DeviceNet
TM
Fieldbus Coupler
Additional Information:
Refers to additional information which is not an integral part of this
documentation (e.g., the Internet).
Manual
Version 2.0.0
10 Notes about this Documentation WAGO-I/O-SYSTEM 750
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:\Program Files\WAGO Software
Menu
Menu items are marked in bold letters.
e.g.: Save
>
A greater-than sign between two names means the selection of a
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]
750-306 DeviceNet
TM
Fieldbus Coupler
1.4 Number Notation
1.5 Font Conventions
menu item from a menu.
brackets.
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 Important Notes 11
750-306 DeviceNet
TM
Fieldbus Coupler
2 Important Notes
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.
2.1 Legal Bases
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.
2.1.2 Personnel Qualifications
All sequences implemented on WAGO-I/O-SYSTEM 750 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.
All changes to the coupler or controller should always be carried out by qualified
personnel with sufficient skills in PLC programming.
2.1.3 Use of the WAGO-I/O-SYSTEM 750 in Compliance with Underlying Provisions
Fieldbus couplers, fieldbus controllers and I/O modules found in the modular
WAGO-I/O-SYSTEM 750 receive digital and analog signals from sensors and
transmit them to actuators or higher-level control systems. Using programmable
controllers, the signals can also be (pre-) processed.
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 devices in wet and dusty
environments is prohibited.
Operating the WAGO-I/O-SYSTEM 750 devices in home applications without
further measures is only permitted if they meet the emission limits (emissions of
interference) according to EN 61000-6-3. You will find the relevant information
in the section “Device Description” > “Standards and Guidelines” in the manual
for the used fieldbus coupler/controller.
Manual
Version 2.0.0
12 Important Notes WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
Appropriate housing (per 94/9/EG) is required when operating the WAGO-I/OSYSTEM 750 in hazardous environments. Please note that a prototype test
certificate must be obtained that confirms the correct installation of the system in
a housing or switch cabinet.
2.1.4 Technical Condition of Spec ified Devices
The devices 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 devices.
Please send your request for modified and new hardware or software
configurations directly to WAGO Kontakttechnik GmbH & Co. KG.
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 Important Notes 13
750-306 DeviceNet
TM
Fieldbus Coupler
2.2 Safety Advice (Precautions)
For installing and operating purposes of the relevant device to your system the
following safety precautions shall be observed:
Do not work on devices while energized!
All power sources to the device shall be switched off prior to performing any
installation, repair or maintenance work.
Install the device only in appropriate housings, cabinets or in electrical
operation rooms!
The WAGO-I/O-SYSTEM 750 and its components are an open system. As such,
install the system and its components exclusively in appropriate housings,
cabinets or in electrical operation rooms. Allow access to such equipment and
fixtures to authorized, qualified staff only by means of specific keys or tools.
Replace defective or damaged devices!
Replace defective or damaged device/module (e.g., in the event of deformed
contacts), since the long-term functionality of device/module involved can no
longer be ensured.
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.
Clean only with permitted materials!
Clean soiled contacts using oil-free compressed air or with ethyl alcohol and
leather cloths.
Manual
Version 2.0.0
14 Important Notes WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
Do not use any contact spray!
Do not use any contact spray. The spray may impair contact area functionality in
connection with contamination.
Do not reverse the polarity of connection lines!
Avoid reverse polarity of data and power supply lines, as this may damage the
devices involved.
Avoid electrostatic discharge!
The devices are equipped with electronic components that may be destroyed by
electrostatic discharge when touched. Please observe the safety precautions
against electrostatic discharge per DIN EN 61340-5-1/-3. When handling the
devices, please ensure that environmental factors (personnel, work space and
packaging) are properly grounded.
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 System Description 15
750-306 DeviceNet
TM
Fieldbus Coupler
3 System Descrip tion
The WAGO-I/O-SYSTEM 750 is a modular, fieldbus-independent input/output
system (I/O system). The configuration described here consists of a fieldbus
coupler/controller (1) and the modular I/O modules (2) for any signal shapes that
form the fieldbus node together. The end module (3) completes the node and is
required for correct operation of the fieldbus node.
Figure 1: Fieldbus Node (Example)
Fieldbus couplers/controllers are available for different fieldbus systems.
The standard fieldbus couplers/controllers contain the fieldbus interface,
electronics and a power supply terminal. The fieldbus interface forms the physical
interface to the relevant fieldbus. The electronics process the data of the I/O
modules and make it available for the fieldbus communication. The 24 V system
supply and the 24 V field supply are fed in via the integrated power supply
terminal.
The fieldbus coupler/controller exchanges process data with the respective control
via the respective fieldbus. The programmable fieldbus controllers (PFC) allow
implementation of additional PLC functions. WAGO-I/O-PRO is used to program
the fieldbus controllers according to IEC 61131-3.
I/O modules for diverse digital and analog I/O signals as well as special functions
can be connected to the fieldbus coupler/controller. The communication between
the fieldbus coupler/controller and the I/O modules is carried out via an internal
bus.
The components of the WAGO-I/O-SYSTEM 750 have clear termination points,
light emitting diodes for status display, plug-in mini WSB tags and group marker
cards for labeling.
The 1, 2 or 3 wire technology supplemented by a ground wire connection allows
for direct sensor or actuator wiring.
Manual
Version 2.0.0
16 System Description WAGO-I/O-SYSTEM 750
01
14
01
01
01
(additional positions)
WW
YY
FW --
HW
FL
-
Calendar
Year
Firmware
Hardware
Firmware
version
Internal info rmation
750-306 DeviceNet
TM
Fieldbus Coupler
3.1 Ma nu fact uri n g Num ber
The serial number indicates the delivery status directly after production. This
number is part of the labeling on the side of each component.
In addition, the serial number is printed on the cover cap of the configuration and
programming interface of the fieldbus coupler/controller, so that it can also be
read when installed.
Figure 2: Marking Area for Serial Numbers
There are two serial numbers in two rows in the side marking. They are left of the
release tab. The first 10 positions in the longer row of the serial numbers contain
version and date identifications.
Example structure of the rows: 0114010101…
week
The row order can vary depending on the production year, only the longer row is
relevant. The back part of this and the shorter row contain internal administration
information from the manufacturer.
version
version
loader
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 System Description 17
Current version data for
1. Update
2. Update
3. Update
Production order no.
NO
only starting fr o m
Date stamp
DS
calendar week 13/2004
Software version
SW
Hardware version
HW
Firmware loader vers.
FWL
only for fieldbus
couplers/controllers
750-306 DeviceNet
TM
Fieldbus Coupler
3.2 Component Update
For the case of an update of one component, the lateral marking on each
component contains a prepared matrix.
This matrix makes columns available for altogether three updates to the entry of
the current update data, like production order number (NO; starting from calendar
week 13/2004), date stamp (DS), software version (SW), hardware version (HW)
and the firmware loader version (FWL, if available).
If the update of a component took place, the current version data are registered
into the columns of the matrix.
Additionally with the update of a fieldbus coupler or controller also the cover of
the configuration and programming interface of the fieldbus coupler or controller
is imprinted with the current production order number.
The original manufacturing information on the device's housing remains
unchanged.
3.3 Storage, Assembly and Transport
Whenever possible, the components are to be stored in their original packaging.
Likewise, the original packaging provides optimal protection during transport.
When assembling or repacking the components, the contacts must not be soiled or
damaged. The components must be stored and transported in appropriate
containers/packaging. Thereby, the ESD information is to be regarded.
Manual
Version 2.0.0
18 System Description WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
3.4 Assem bl y Guidelines/Standar ds
• DIN 60204 Electrical equipping of machines
• DIN EN 50178 Equipping of high-voltage systems with electronic
components (replacement for VDE 0160)
• EN 60439 Low-voltage switchgear and controlgear assemblies
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 System Description 19
750-306 DeviceNet
TM
Fieldbus Coupler
3.5 Power Supply
3.5.1 Isolation
Within the fieldbus node, there are three electrically isolated potentials:
• Electrically isolated fieldbus interface via transformer
• Electronics of the fieldbus couplers/controllers and the I/O modules
(internal bus)
• All I/O modules have an electrical isolation between the electronics
(internal bus, logic) and the field electronics. Some digital and analog input
modules have each channel electrically isolated, please see catalog.
Figure 3: Isolatio n for Fieldbus Couplers/Controllers (Example)
Manual
Version 2.0.0
20 System Description WAGO-I/O-SYSTEM 750
Table 3: Legend for Figure “System Supp ly via Fieldbus Coupler/Controller ( le f t) and via Internal
System Supply Module (right)”
Position
Description
1
System supply DC 24 V (-25 % … +30 %)
2
System supply 0 V
750-306 DeviceNet
TM
Fieldbus Coupler
3.5.2 System Supply
3.5.2.1 Connection
The WAGO-I/O-SYSTEM 750 requires a 24 V direct current system supply.
The power supply is provided via the fieldbus coupler/controller and, if necessary,
in addition via internal system supply modules 750-613. The power supply is
reverse voltage protected.
Do not use an incorrect voltage/frequency!
The use of an incorrect supply voltage or frequency can cause severe damage to
the components.
Figure 4: System Supp ly via Fieldbus Coupler/Controller (left) and via Internal System Supply
Module (right)
The fed DC 24 V supplies all internal system components, e.g. fieldbus
coupler/controller electronics, fieldbus interface and I/O modules via the internal
bus (5 V system voltage). The 5 V system voltage is galvanically connected to the
24 V system supply.
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 System Description 21
Table 4: Alignment
Internal current
consumption*)
Current consumption via system voltage (5 V for electronics
of I/O modules and fieldbus coupler/controller).
Total current
Available current for the I/O modules. Provided by the bus
internal system supply module
*)
See current catalog, manuals, Internet
750-306 DeviceNet
TM
Fieldbus Coupler
Figure 5: System Voltage for Standard Couplers/Controllers and Extended ECO Couplers
Only reset the system simultaneously for all supply modules!
Reset the system by simultaneously switching the system supply at all supply
modules (fieldbus coupler/controller and potential supply module with bus power
supply) off and on again.
3.5.2.2 Dimensioning
Recommendation
A stable power supply cannot always be assumed. Therefore, you should use
regulated power supplies to ensure the quality of the supply voltage.
The supply capacity of the fieldbus coupler/controller or the internal system
supply module can be taken from the technical data of the components.
for I/O modules*)
power supply unit. See fieldbus coupler/controller and
Manual
Version 2.0.0
22 System Description WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
Example:
Calculating the current consumption on the fieldbus coupler:
Internal current consumption of the coupler 350 mA at 5 V
Total current for I/O modules 1650 mA at 5 V
Sum I
(5 V) total
2000 mA at 5 V
The internal current consumption is indicated in the technical data for each bus
terminal. In order to determine the total requirement, add together the values of all
I/O modules in the node.
Please note the aggregate current for I/O modules. It may be necessary to
supply potential!
When the sum of the internal current consumption for the I/O modules exceeds
their aggregate current, you must use a supply module with bus power supply.
Install it before the position where the permissible aggregate current would be
exceeded.
Example:
Calculating the total current on a standard fieldbus coupler/controller:
A node configuration with 20 relay modules (750-517) and 30 digital input
modules (750-405) should be attached to a fieldbus coupler/controller:
Internal current consumptions 20 × 90 mA = 1800 mA at 5 V
+ 30 × 2 mA = 60 mA at 5 V
Sum of internal current consumptions 1860 mA at 5 V
However, the fieldbus coupler can only provide 1650 mA for the I/O modules.
Consequently, an internal system supply module (750-613), e. g. in the middle of
the node, should be added.
Recommendation
Utilize the smartDESIGNER feature WAGO ProServe® software to configure
fieldbus node assembly. You can test the configuration via the integrated
plausibility check.
The maximum input current of the 24 V system supply is 500 mA. The exact
electrical consumption (I
Manual
Version 2.0.0
) can be determined with the following formulas:
(V)
WAGO-I/O-SYST EM 750 System Description 23
Fieldbus coupler or controller
I
=
Sum of all the internal current consumption of the connected
coupler/controller
Internal system supply module
I
=
Sum of all the internal current consumption of the connected
5 V × I
(5 V) total
24 V
η
(87 % Efficiency of the power supply at nominal load 24 V)
750-306 DeviceNet
TM
Fieldbus Coupler
(5 V) total
I/O modules + internal current consumption of the fieldbus
(5 V) total
I/O modules at internal system supply module
Input current I
Activate all outputs when testing the current consumption!
If the electrical consumption of a power supply point for the 24 V system
supply exceeds 500 mA, then the cause may be an improperly dimensioned
node or a defect.
During the test, you must activate all outputs.
(24 V)
=
η = 0.87
Manual
Version 2.0.0
24 System Description WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
3.5.3 Field Supply
3.5.3.1 Connection
Sensors and actuators can be directly connected to the relevant channel of the I/O
module in 1, 2, 3 or 4 conductor connection technology. The I/O module supplies
power to the sensors and actuators. The input and output drivers of some I/O
modules require the field side supply voltage.
The fieldbus coupler/controller provides field side power (DC 24 V). In this case
it is a passive power supply without protection equipment.
Power supply modules with or without fuse holder and diagnostic capability are
available for the power supply of other field potentials (DC 24 V, AC/DC 0 …
230 V, AC 120 V, AC 230 V). The power supply modules can also be used to set
up various potential groups. The connections are connected in pairs to a power
contact.
Figure 6: Field Supply for Standard Couplers/Controllers and Extended ECO Couplers
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 System Description 25
Table 5: Legend for Figure “Field Supply for Standard Couplers/Controllers and Extended ECO
Couplers”
Field supply
1
24 V (-15 % / +20 %)
2
0 V
3
Optional ground potential
Power jumper contacts
4
Potential distribution to adjacent I/O modules
establish the ground connection when the connection to the power jumper
750-306 DeviceNet
TM
Fieldbus Coupler
The field-side power supply is automatically derived from the power jumper
contacts when snapping an I/O module.
The current load of the power contacts must not exceed 10 A on a continual basis.
By inserting an additional power supply module, the field supply via the power
contacts is disrupted. From there a new power supply occurs which may also
contain a new voltage potential.
Recontacts is disrupted!
Some I/O modules have no or very few power contacts (depending on the I/O
function). Due to this, the passing through of the relevant potential is disrupted. If
you require a field supply via power jumper contacts for subsequent I/O modules,
then you have to use a power supply module.
Note the data sheets of the I/O modules.
Use a spacer module when setting up a node with different potentials!
In the case of a node setup with different potentials, e.g. the alteration from
DC 24 V to AC 230 V, you should use a spacer module. The optical separation of
the potentials acts as a warning to heed caution in the case of wiring and
maintenance works. Thus, you can prevent the results of wiring errors.
Manual
Version 2.0.0
26 System Description WAGO-I/O-SYSTEM 750
Table 6: Power Supply Modules
Order No.
Field Voltage
750-601
24 V DC, Supply/Fuse
750-609
230 V AC, Supply/Fuse
750-615
120 V AC, Supply/Fuse
750-617
24 V AC, Supply/Fuse
750-610
24 V DC, Supply/Fuse/Diagnosis
750-611
230 V AC, Supply/Fuse/Diagnosis
750-606
Supply Module 24 V DC, 1,0 A, Ex i
750-625/000-001
Supply Module 24 V DC, 1,0 A, Ex i (without diagnostics)
750-306 DeviceNet
TM
Fieldbus Coupler
3.5.3.2 Fusing
Internal fusing of the field supply is possible for various field voltages via an
appropriate power supply module.
Figure 7: Supply Module with Fuse Carrier (Example 750-610)
Observe the maximum power dissipation and, if required, UL requirements!
In the case of power supply modules with fuse holders, you must only use fuses
with a maximum dissipation of 1.6 W (IEC 127).
For UL approved systems only use UL approved fuses.
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 System Description 27
750-306 DeviceNet
TM
Fieldbus Coupler
In order to insert or change a fuse, or to switch off the voltage in succeeding I/O
modules, the fuse holder may be pulled out. In order to do this, use a screwdriver
for example, to reach into one of the slits (one on both sides) and pull out the
holder.
Figure 8: Removing the Fuse Carrier
Lifting the cover to the side opens the fuse carrier.
Figure 9: Opening the Fuse Carrier
Figure 10: Cha nging the Fuse
After changing the fuse, the fuse carrier is pushed back into its original position.
Manual
Version 2.0.0
28 System Description WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
Alternatively, fusing can be done externally. The fuse modules of the WAGO
series 281 and 282 are suitable for this purpose.
Figure 11: Fuse Modules for Automotive Fuses, Series 282
Figure 12: Fuse Modules for Automotive Fuses, Series 2006
Figure 13: Fuse Modules with Pivotable Fuse Carrier, Series 281
Figure 14: Fuse Modules with Pivotable Fuse Carrier, Series 2002
Manual
Version 2.0.0
WAGO-I/O-SYST EM 750 System Description 29
Table 7: Filter Modules for 24 V Supply
Order No.
Name
Description
750-626
Supply Filter
Filter module for system supply and field supply
bus power supply (750-613)
750-624
Supply Filter
Filter module for the 24 V field supply
(750-602, 750-601, 750-610)
750-306 DeviceNet
TM
Fieldbus Coupler
3.5.4 Supplementar y Power Supply Regulations
The WAGO-I/O-SYSTEM 750 can also be used in shipbuilding or offshore and
onshore areas of work (e. g. working platforms, loading plants). This is
demonstrated by complying with the standards of influential classification
companies such as Germanischer Lloyd and Lloyds Register.
Filter modules for 24 V supply are required for the certified operation of the
system.
(24 V, 0 V), i. e. for fieldbus coupler/controller and
Therefore, the following power supply concept must be absolutely complied with.
Figure 15: Power Supply Concept
Use a supply module for equipotential bonding!
Use an additional 750-601/ 602/ 610 Supply Module behind the 750-626 Filter
Module if you want to use the lower power jumper contact for equipotential
bonding, e.g., between shielded connections and require an additional tap for this
potential.
Manual
Version 2.0.0
30 System Description WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
3.5.5 Supply Example
SupplSggggggggggggggggg
The system supply and the field supply shall be separated!
You should separate the system supply and the field supply in order to ensure bus
operation in the event of a short-circuit on the actuator side.
Figure 16: Supply Example for Standard Couplers/Controllers
Manual
Version 2.0.0
Loading...