The contents of this documentation are taken in part from the BACnet Standard 135-2004 or are based on the original contents. These contents are subject to copyright.
Every conceivable measure has been taken to ensure the correctness and completeness of this documentation. However, as errors can never be fully excluded we would appreciate any information or ideas at any time.
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 trademark or patent protected.
This section provides only a summary of the most important safety requirements and notes which will be mentioned in the individual sections. To protect
your health and prevent damage to the devices, it is essential to read and carefully follow the safety guidelines.
1.1 Legal Principles
1.1.1 Copyright
This manual including all figures and illustrations contained therein is subject
to copyright. Any use of this manual which infringes the copyright provisions
stipulated herein, is not permitted. Reproduction, translation and electronic
and phototechnical archiving and amendments require the written consent of
WAGO Kontakttechnik GmbH & Co. KG, Minden. Non-observance will entail the right of claims for damages.
WAGO Kontakttechnik GmbH & Co. KG reserves the right of changes serving technical progress.
All rights developing from the issue of a patent or the legal protection of utility patents are reserved to WAGO Kontakttechnik GmbH & Co. KG. Thirdparty products are always indicated without any notes concerning patent
rights. Thus, the existence of such rights must not be excluded.
1.1.2 Personnel Qualification
The use of the product described in this manual requires special qualifications,
as shown in the following table:
Activity Electrical specialist
Assembly
Commissioning
Programming
Maintenance
Troubleshooting
Instructed personnel*)
X X
X X
X
X X
X
Specialists**) having
qualifications in PLC
programming
Disassembly
*) Instructed persons have been trained by qualified personnel or electrical specialists.
**) A specialist is someone who, through technical training, knowledge and experience,
demonstrates the ability to meet the relevant specifications and identify potential dangers in
the mentioned field of activity.
WAGO-I/O-SYSTEM 750
X X
BACnet/IP Controller
Important Notes • 7 Legal Principles
All personnel must be familiar with the applicable standards.
WAGO Kontakttechnik GmbH & Co. KG declines any liability resulting from
improper action and damage to WAGO products and third party products due
to non-observance of the information contained in this manual.
1.1.3 Conforming Use of Series 750
The couplers and controllers of the modular I/O System 750 receive digital
and analog signals from the I/O modules and sensors and transmit them to the
actuators or higher level control systems. Using the WAGO controllers, the
signals can also be (pre-)processed.
The device is designed for IP20 protection class. It is protected against finger
touch and solid impurities up to 12.5mm diameter, but not against water penetration. Unless otherwise specified, the device must not be operated in wet and
dusty environments.
1.1.4 Technical Condition of the Devices
For each individual application, the components are supplied from the factory
with a dedicated hardware and software configuration. Changes in hardware,
software and firmware are only admitted within the framework of the possibilities documented in the manuals. All changes to the hardware or software
and the non-conforming use of the components entail the exclusion of liability
on the part of WAGO Kontakttechnik GmbH & Co. KG.
Please direct any requirements pertaining to a modified and/or new hardware
or software configuration directly to WAGO Kontakttechnik GmbH & Co.
KG.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
8 • Important Notes
Standards and Regulations for Operating the 750 Series
1.2 Standards and Regulations for Operating the 750 Series
Please observe the standards and regulations that are relevant to your installation:
• The data and power lines must be connected and installed in compliance
with the standards to avoid failures on your installation and eliminate any
danger to personnel.
• For installation, startup, maintenance and repair, please observe the accident prevention regulations of your machine (e.g. BGV A 3, "Electrical Installations and Equipment").
• Emergency stop functions and equipment must not be made ineffective.
See relevant standards (e.g. DIN EN 418).
• Your installation must be equipped in accordance to the EMC guidelines
so that electromagnetic interferences can be eliminated.
• Operating 750 Series components 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 on "WAGO-I/O-SYSTEM 750" ! "System Description" ! "Technical Data".
• Please observe the safety measures against electrostatic discharge according to DIN EN 61340-5-1/-3. When handling the modules, ensure that the
environment (persons, workplace and packing) is well grounded.
• The relevant valid and applicable standards and guidelines concerning the
installation of switch cabinets are to be observed.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Important Notes • 9 Symbols
1.3 Symbols
Danger
Always observe this information to protect persons from injury.
Warning
Always observe this information to prevent damage to the device.
Attention
Marginal conditions that must always be observed to ensure smooth and efficient operation.
ESD (Electrostatic Discharge)
Warning of damage to the components through electrostatic discharge. Observe the precautionary measure for handling components at risk of electrostatic discharge.
Note
Make important notes that are to be complied with so that a trouble-free and
efficient device operation can be guaranteed.
Additional Information
References to additional literature, manuals, data sheets and internet pages.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
10 • Important Notes
Safety Information
1.4 Safety Information
When connecting the device to your installation and during operation, the following safety notes must be observed:
Danger
The WAGO-I/O-SYSTEM 750 and its components are an open system. It
must only be assembled in housings, cabinets or in electrical operation
rooms. Access is only permitted via a key or tool to authorized qualified personnel.
Danger
All power sources to the device must always be switched off before carrying
out any installation, repair or maintenance work.
Warning
Replace defective or damaged device/module (e.g. in the event of deformed
contacts), as the functionality of field bus station in question can no longer be
ensured on a long-term basis.
Warning
The components are not resistant against materials having seeping and insulating properties. Belonging to this group of materials is: e.g. aerosols, silicones, triglycerides (found in some hand creams). If it cannot be ruled out
that these materials appear in the component environment, then the components must be installed in an enclosure that is resistant against the above mentioned materials. Clean tools and materials are generally required to operate
the device/module.
Warning
Soiled contacts must be cleaned using oil-free compressed air or with ethyl
alcohol and leather cloths.
Warning
Do not use contact sprays, which could possibly impair the functioning of the
contact area.
Warning
Avoid reverse polarity of data and power lines, as this may damage the devices.
ESD (Electrostatic Discharge)
The devices are equipped with electronic components that may be destroyed
by electrostatic discharge when touched.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Important Notes • 11 Font Conventions
Warning
For components with ETHERNET/RJ-45 connectors:
Only for use in LAN, not for connection to telecommunication circuits.
1.5 Font Conventions
italic
Names of paths and files are marked in italic.
e.g.: C:\Programs\WAGO-IO-CHECK
italic
Menu items are marked in bold italic.
e.g.: Save
\
A backslash between two names characterizes the selection of a
menu point from a menu.
e.g.: File \ New
END
Press buttons are marked as bold with small capitals
e.g.:
< >
Keys are marked bold within angle brackets
e.g.: <F5>
Courier
The print font for program codes is Courier.
e.g.: END_VAR
1.6 Number Notation
ENTER
Number code Example Note
Decimal 100 Normal notation
Hexadecimal 0x64 C notation
Binary '100'
'0110.0100'
Within inverted commas,
Nibble separated with dots
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
12 • Important Notes
Scope
1.7 Scope
This manual describes the field bus independent WAGO I/O SYSTEM 750
with the programmable BACnet/IP Controller.
Item.-No. Description
750-830 BACnet/IP Controller
1.8 Abbreviation
AI
AO
DI
DO
I/O
ID
PFC
Analog Input
Analog Output
Digital Input
Digital Output
Input/Output
Identifier
Programmable Fieldbus Controller
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
System Description • 13 Technical Condition of the Devices
2 The WAGO-I/O-SYSTEM 750
2.1 System Description
The WAGO-I/O-SYSTEM 750 is a modular, field bus independent I/O system. It is comprised of a field bus coupler/controller (1) and connected field
bus modules (2) for any type of signal. Together, these make up the field bus
node. The end module (3) completes the node.
Fig. 2-1: Field bus node g0xxx00x
Couplers/controllers for field bus systems such as PROFIBUS, INTERBUS,
ETHERNET TCP/IP, CAN (CANopen, DeviceNet, CAL), MODBUS, LON
and others are available.
The coupler/controller contains the field bus interface, electronics and a power
supply terminal. The field bus interface forms the physical interface to the
relevant field bus. The electronics process the data of the bus modules and
make it available for the field bus communication. The 24 V system supply
and the 24 V field supply are fed in via the integrated power supply terminal.
The field bus coupler communicates via the relevant field bus. The programmable field bus controller (PFC) enables the implementation of additional
PLC functions. Programming is done with the WAGO I/O PRO CAA in accordance with IEC 61131-3.
Bus modules for diverse digital and analog I/O functions as well as special
functions can be connected to the coupler/controller. The communication between the coupler/controller and the bus modules is carried out via an internal
bus.
The WAGO-I/O-SYSTEM 750 has a clear port level with LEDs for status indication, insertable mini WSB markers and pullout group marker carriers. The
3-wire technology supplemented by a ground wire connection allows for direct sensor/actuator wiring.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
14 • Technical Data
Technical Condition of the Devices
2.2 Technical Data
Mechanic
Material Polycarbonate, Polyamide 6.6
Dimensions W x H* x L
* from upper edge of DIN 35 rail
- Coupler/Controller (Standard)
- Coupler/Controller (ECO)
- Coupler/Controller (FireWire)
- I/O module, single
- I/O module, double
- I/O module, fourfold
- 51 mm x 65 mm x 100 mm
- 50 mm x 65 mm x 100 mm
- 62 mm x 65 mm x 100 mm
- 12 mm x 64 mm x 100 mm
- 24 mm x 64 mm x 100 mm
- 48 mm x 64 mm x 100 mm
Installation on DIN 35 with interlock
Modular by double feather key dovetail
Mounting position any position
Marking standard marking label type
group marking label 8 x 47 mm
Connection
Connection type CAGE CLAMP®
Wire range 0.08 mm² ... 2.5 mm², AWG 28-14
Stripped length 8 … 9 mm,
9 … 10 mm for components with pluggable wiring
(753-xxx)
Contacts
Power jumpers contacts blade/spring contact
self-cleaning
Current via power contacts
Voltage drop at I
< 1 V/64 modules
max
10 A
max
Data contacts slide contact, hard gold plated
1.5 µm, self-cleaning
Climatic environmental conditions
Operating temperature 0 °C ... 55 °C,
-20 °C … +60 °C for components with extended
temperature range (750-xxx/025-xxx)
Storage temperature -20 °C ... +85 °C
Relative humidity 5 % … 95 % without condensation
Resistance to harmful substances acc. to IEC 60068-2-42 and IEC 60068-2-43
Maximum pollutant concentration at
relative humidity < 75%
≤ 25 ppm
SO
2
H
S ≤ 10 ppm
2
Special conditions Ensure that additional measures for components are
taken, which are used in an environment involving:
– dust, caustic vapors or gases
– ionization radiation
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Technical Data • 15
Technical Condition of the Devices
Safe electrical isolation
Air and creepage distance acc. to IEC 60664-1
Degree of pollution
2
acc. To IEC 61131-2
Degree of protection
Degree of protection IP 20
Electromagnetic compatibility
Immunity to interference for industrial areas acc. to EN 61000-6-2 (2001)
Test specification Test values Strength
class
Evaluation
criteria
EN 61000-4-2 ESD 4 kV/8 kV (contact/air) 2/3 B
EN 61000-4-3
10 V/m 80 MHz ... 1 GHz 3 A
electromagnetic fields
EN 61000-4-4 burst 1 kV/2 kV (data/supply) 2/3 B
EN 61000-4-5 surge
-/- (line/line) Data:
B
1 kV (line/earth) 2
ply:
AC supply:
0.5 kV (line/line) 1 DC sup-
0.5 kV (line/earth) 1
1 kV (line/line) 2
2 kV (line/earth) 3
B
B
EN 61000-4-6
RF disturbances
10 V/m 80 % AM
(0.15 ... 80 MHz)
3 A
Emission of interference for industrial areas acc. to EN 61000-6-4 (2001)
Test specification Limit values/[QP]*) Frequency range Distance
79 dB (μV) 150 kHz ... 500 kHz EN 55011 (AC supply,
conducted)
73 dB (μV) 500 kHz ... 30 MHz
40 dB (μV/m) 30 MHz ... 230 MHz 10 m EN 55011 (radiated)
47 dB (μV/m) 230 MHz ... 1 GHz 10 m
Emission of interference for residential areas acc. to EN 61000-6-3 (2001)
Test specification Limit values/[QP]*) Frequency range Distance
EN 55022 (AC supply,
conducted)
66 ... 56 dB (μV) 150 kHz ... 500 kHz
56 dB (μV) 500 kHz ... 5 MHz
60 dB (μV) 5 MHz ... 30 MHz
40 ... 30 dB (μA) 150 kHz ... 500 kHz EN 55022 (DC supply/data,
conducted)
30 dB (μA) 500 kHz ... 30 MHz
30 dB (μV/m) 30 MHz ... 230 MHz 10 m EN 55022 (radiated)
37 dB (μV/m) 230 MHz ... 1 GHz 10 m
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
16 • Technical Data
Technical Condition of the Devices
Mechanical strength acc. to IEC 61131-2
Test specification Frequency range Limit value
IEC 60068-2-6 vibration
IEC 60068-2-32 free fall 1 m
*) QP: Quasi Peak
5 Hz ≤ f < 9 Hz
9 Hz ≤ f < 150 Hz
Note on vibration test:
a) Frequency change: max. 1 octave/minute
b) Vibration direction: 3 axes
15 g IEC 60068-2-27 shock
Note on shock test:
a) Type of shock: half sine
b) Shock duration: 11 ms
c) Shock direction: 3x in positive and 3x in negative direction for each of the three mutually perpendicular axes of the
test specimen
1.75 mm amplitude (permanent)
3.5 mm amplitude (short term)
0.5 g (permanent)
1 g (short term)
(module in original packing)
Note
If the technical data of components differ from the values described here, the
technical data shown in the manuals of the respective components shall be
valid.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Technical Data • 17
Technical Condition of the Devices
For Products of the WAGO-I/O-SYSTEM 750 with ship specific approvals
supplementary guidelines are valid:
Electromagnetic compatibility
Immunity to interference acc. to Germanischer Lloyd (2003)
Test specification Test values Strength
class
IEC 61000-4-2 ESD 6 kV/8 kV (contact/air) 3/3 B
IEC 61000-4-3
electromagnetic fields
IEC 61000-4-4 burst 1 kV/2 kV (data/supply) 2/3 A
IEC 61000-4-6
RF disturbances
Type test AF disturbances
(harmonic waves)
Type test high voltage 755 V DC
Emission of interference acc. to Germanischer Lloyd (2003)
Test specification Limit values Frequency range Distance
Type test
(EMC1, conducted)
allows for ship bridge control
applications
10 V/m 80 MHz ... 2 GHz 3 A
0.5 kV (line/line) 1 IEC 61000-4-5 surge AC/DC
Supply:
10 V/m 80 % AM
(0.15 ... 80 MHz)
3 V, 2 W - A
1500 V AC
96 ... 50 dB (μV) 10 kHz ... 150 kHz
60 ... 50 dB (μV) 150 kHz ... 350 kHz
50 dB (μV) 350 kHz ... 30 MHz
1 kV (line/earth) 2
3 A
- -
Evaluation
criteria
A
Type test
(EMC1, radiated)
allows for ship bridge control
applications
except: 24 dB (μV/m) 156 MHz ... 165 MHz 3 m
Mechanical strength acc. to Germanischer Lloyd (2003)
Test specification Frequency range Limit value
IEC 60068-2-6 vibration
(category A – D)
80 ... 52 dB (μV/m) 150 kHz ... 300 kHz 3 m
52 ... 34 dB (μV/m) 300 kHz ... 30 MHz 3 m
54 dB (μV/m) 30 MHz ... 2 GHz 3 m
2 Hz ≤ f < 25 Hz
25 Hz ≤ f < 100 Hz
Note on vibration test:
a) Frequency change: max. 1 octave/minute
b) Vibration direction: 3 axes
± 1.6 mm amplitude (permanent)
4 g (permanent)
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
18 • Technical Data
Technical Condition of the Devices
Range of
application
Industrial areas EN 61000-6-4 (2001) EN 61000-6-2 (2001)
Residential areas EN 61000-6-3 (2001)*) EN 61000-6-1 (2001)
*)
The system meets the requirements on emission of interference in residential areas with
the field bus coupler/controller for:
ETHERNET
LonWorks
CANopen
DeviceNet
MODBUS
KNX
BACnet
With a special permit, the system can also be implemented with other field bus couplers/controllers in residential areas (housing, commercial and business areas, small-scale
enterprises). The special permit can be obtained from an authority or inspection office. In
Germany, the Federal Office for Post and Telecommunications and its branch offices
issues the permit.
It is possible to use other field bus couplers/controllers under certain boundary conditions. Please contact WAGO Kontakttechnik GmbH & Co. KG.
Required specification
emission of interference
750-342/-841/-842/-860
750-319/-819
750-337/-837
750-306/-806
750-312/-314/ -315/ -316
750-812/-814/ -815/ -816
750-849
750-830
Required specification
immunity to interference
Maximum power dissipation of the components
Bus modules 0.8 W / bus terminal (total power dissipation, sys-
tem/field)
Field bus coupler/controller 2.0 W / coupler/controller
Warning
The power dissipation of all installed components must not exceed the maximum conductible power of the housing (cabinet).
When dimensioning the housing, care is to be taken that even under high external temperatures, the temperature inside the housing does not exceed the
permissible ambient temperature of 55 °C.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Technical Data • 19
Technical Condition of the Devices
Dimensions
02
01
35
A
B
24V 0V
+
-
A
C
B
D
+
A
C
D
A
C
B
B
D
A
C
D
C
B
D
100
-
51
65
Side view
12
24
Dimensions in mm
64
Fig. 2-2: Dimensions g01xx05e
Note
The illustration shows a standard coupler. For detailed dimensions, please
refer to the technical data of the respective coupler/controller.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
20 • Manufacturing Number
Technical Condition of the Devices
2.3 Manufacturing Number
The manufacturing number indicates the delivery status directly after production.
This number is part of the lateral marking on the component.
In addition, starting from calendar week 43/2000 the manufacturing number is
also printed on the cover of the configuration and programming interface of
the field bus coupler or controller.
PROFIBUS
750-333
ITEM-NO.:750-333
ITEM-NO.:750-333
PROFIBUS DP 12 MBd /DPV1
Hansastr. 27
Hansastr. 27
GL
D-32423 Minden
D-32423 Minden
24V DC
24V DC
AWG 28-14
AWG 28-14
55°C max ambient
55°C max ambient
72072
72072
DS
NO
SW
HW
FWL
II3GD
LISTED 22ZA AND 22XM
LISTED 22ZA AND 22XM
0103000203-B000000
0103000203-B060606
II3GD
DEMKO 02 ATEX132273 X
DEMKO 02 ATEX132273 X
EEx nA II T4
EEx nA II T4
PROFIBUS DP 12 MBd /DPV1
-
Power Supply
Field
24 V
+
0V
0V
Power Supply
Power Supply
Electronic
Electronic
PATENTS PENDING
PATENTS PENDING
WAGO - I/O - SYSTEM
Manufacturing Number
1
0
3
01030002
03-B
060606
72072
Calendar
week
Fig. 2-3: Example: Manufacturing Number of a PROFIBUS field bus coupler 750-333
0
YearSoftware
version
2
0
0
0
3
-B060606
Hardware
Firmware Loader
version
version
Internal
Number
g01xx15e
0
The manufacturing number consists of the production week and year, the software version (if available), the hardware version of the component, the firmware loader (if available) and further internal information for
WAGO Kontakttechnik GmbH & Co. KG.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Component Update • 21 Technical Condition of the Devices
2.4 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), update date (DS), software version (SW), hardware
version (HW) and the firmware loader version (FWL, if available).
Update Matrix
Current Version data for: 1. Update 2. Update 3. Update
Production Order
Number
Datestamp
Software index
Hardware index
Firmware loader
index
NO
DS
SW
HW
FWL
" only starting from calendar
" only for coupler/controller
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 field bus coupler or controller also the cover
of the configuration and programming interface of the coupler or controller is
printed on with the current manufacturing and production order number.
The original manufacturing data on the housing of the component remain
thereby.
2.5 Storage, Assembly and Transport
Wherever possible, the components are to be stored in their original packaging. Likewise, the original packaging provides optimal protection during
transport.
week 13/2004
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.
Statically shielded transport bags with metal coatings are to be used for the
transport of open components for which soiling with amine, amide and silicone has been ruled out, e.g. 3M 1900E.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
22 • Mechanical Setup
Installation Position
2.6 Mechanical Setup
2.6.1 Installation Position
Along with horizontal and vertical installation, all other installation positions
are allowed.
Attention
2.6.2 Total Expansion
In the case of vertical assembly, an end stop has to be mounted as an additional safeguard against slipping.
WAGO item 249-116 End stop for DIN 35 rail, 6 mm wide
WAGO item 249-117 End stop for DIN 35 rail, 10 mm wide
The length of the module assembly (including one end module of 12mm
width) that can be connected to the coupler/controller is 780 mm. When assembled, the I/O modules have a maximum length of 768 mm.
Examples:
• 64 I/O modules of 12 mm width can be connected to one coupler/controller.
• 32 I/O modules of 24 mm width can be connected to one coupler/controller.
Exception:
The number of connected I/O modules also depends on which type of coupler/controller is used. For example, the maximum number of I/O modules
that can be connected to a PROFIBUS coupler/controller is 63 without end
module. The maximum total expansion of a node is calculated as follows:
Warning
The maximum total length of a node without coupler/controller must not exceed 780 mm. Furthermore, restrictions made on certain types of couplers/controllers must be observed (e.g. for PROFIBUS).
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Mechanical Setup • 23 Assembly onto Carrier Rail
2.6.3 Assembly onto Carrier Rail
2.6.3.1 Carrier Rail Properties
All system components can be snapped directly onto a carrier rail in accordance with the European standard EN 50022 (DIN 35).
Warning
WAGO Kontakttechnik GmbH & Co. KG supplies standardized carrier rails
that are optimal for use with the I/O system. If other carrier rails are used,
then a technical inspection and approval of the rail by WAGO Kontakttechnik GmbH & Co. KG should take place.
Carrier rails have different mechanical and electrical properties. For the optimal system setup on a carrier rail, certain guidelines must be observed:
• The material must be non-corrosive.
• Most components have a contact to the carrier rail to ground electro-
magnetic disturbances. In order to avoid corrosion, this tin-plated carrier
rail contact must not form a galvanic cell with the material of the carrier
rail which generates a differential voltage above 0.5 V (saline solution of
0.3% at 20°C) .
• The carrier rail must optimally support the EMC measures integrated into
the system and the shielding of the bus module connections.
• A sufficiently stable carrier rail should be selected and, if necessary, several mounting points (every 20 cm) should be used in order to prevent
bending and twisting (torsion).
• The geometry of the carrier rail must not be altered in order to secure the
safe hold of the components. In particular, when shortening or mounting
the carrier rail, it must not be crushed or bent.
• The base of the I/O components extends into the profile of the carrier rail.
For carrier rails with a height of 7.5 mm, mounting points are to be riveted
under the node in the carrier rail (slotted head captive screws or blind rivets).
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
24 • Mechanical Setup
Spacing
2.6.3.2 WAGO DIN Rail
WAGO carrier rails meet the electrical and mechanical requirements.
210-118 35 x 15; 2.3 mm; steel yellow chromated; unslotted
210-198 35 x 15; 2.3 mm; copper; unslotted
210-196 35 x 7.5; 1 mm; aluminum; unslotted
2.6.4 Spacing
The spacing between adjacent components, cable conduits, casing and frame
sides must be maintained for the complete field bus node.
Fig. 2-4: Spacing g01xx13x
The spacing creates room for heat transfer, installation or wiring. The spacing
to cable conduits also prevents conducted electromagnetic interferences from
influencing the operation.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Mechanical Setup • 25 Plugging and Removal of the Components
2.6.5 Plugging and Removal of the Components
Warning
Before work is done on the components, the voltage supply must be turned off.
In order to safeguard the coupler/controller from jamming, it should be fixed
onto the carrier rail with the locking disc To do so, push on the upper groove
of the locking disc using a screwdriver.
To pull out the field bus coupler/controller, release the locking disc by pressing on the bottom groove with a screwdriver and then pulling the orange colored unlocking lug .
Fig. 2-5: Coupler/Controller and unlocking lug g01xx12e
It is also possible to release an individual I/O module from the unit by pulling
an unlocking lug.
Fig. 2-6: removing bus terminal p0xxx01x
Danger
Ensure that an interruption of the PE will not result in a condition which
could endanger a person or equipment!
For planning the ring feeding of the ground wire, please see chapter 2.6.3.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
26 • Mechanical Setup
Assembly Sequence
2.6.6 Assembly Sequence
All system components can be snapped directly on a carrier rail in accordance
with the European standard EN 50022 (DIN 35).
The reliable positioning and connection is made using a tongue and groove
system. Due to the automatic locking, the individual components are securely
seated on the rail after installing.
Starting with the coupler/controller, the bus modules are assembled adjacent
to each other according to the project planning. Errors in the planning of the
node in terms of the potential groups (connection via the power contacts) are
recognized, as the bus modules with power contacts (male contacts) cannot be
linked to bus modules with fewer power contacts.
Attention
Always link the bus modules with the coupler/controller, and always plug
from above.
Warning
Never plug bus modules from the direction of the end terminal. A ground
wire power contact, which is inserted into a terminal without contacts, e.g. a
4-channel digital input module, has a decreased air and creepage distance to
the neighboring contact in the example DI4.
Always terminate the field bus node with an end module (750-600).
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Mechanical Setup • 27 Internal Bus/Data Contacts
2.6.7 Internal Bus/Data Contacts
Communication between the coupler/controller and the bus modules as well as
the system supply of the bus modules is carried out via the internal bus. It is
comprised of 6 data contacts, which are available as self-cleaning gold spring
contacts.
Fig. 2-7: Data contacts p0xxx07x
Warning
Do not touch the gold spring contacts on the I/O modules in order to avoid
soiling or scratching!
ESD (Electrostatic Discharge)
The modules are equipped with electronic components that may be destroyed
by electrostatic discharge. When handling the modules, ensure that the environment (persons, workplace and packing) is well grounded. Avoid touching
conductive components, e.g. data contacts.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
28 • Mechanical Setup
Power Contacts
2.6.8 Power Contacts
Self-cleaning power contacts , are situated on the side of the components
which further conduct the supply voltage for the field side. These contacts
come as touchproof spring contacts on the right side of the coupler/controller
and the bus module. As fitting counterparts the module has male contacts on
the left side.
Danger
The male contacts are sharp-edged. Handle the module carefully to prevent
injury.
Attention
Please take into consideration that some bus modules have no or only a few
power jumper contacts. The design of some modules does not allow them to
be physically assembled in rows, as the grooves for the male contacts are
closed at the top.
WAGO-I/O-SYSTEM 750
Fig. 2-8: Example for the arrangement of power contacts g0xxx05e
Recommendation
With the WAGO ProServe® Software smartDESIGNER, the structure of a
field bus node can be configured. The configuration can be tested via the integrated accuracy check.
BACnet/IP Controller
Mechanical Setup • 29 Wire Connection
2.6.9 Wire Connection
All components have CAGE CLAMP® connections.
The WAGO CAGE CLAMP® connection is appropriate for solid, stranded
and finely stranded conductors. Each clamping unit accommodates one conductor.
Fig. 2-9: CAGE CLAMP® Connection g0xxx08x
The operating tool is inserted into the opening above the connection. This
opens the CAGE CLAMP®. Subsequently the conductor can be inserted into
the opening. After removing the operating tool, the conductor is safely
clamped.
More than one conductor per connection is not permissible. If several conductors have to be made at one connection point, then they should be made away
from the connection point using WAGO Terminal Blocks. The terminal blocks
may be jumpered together and a single wire brought back to the I/O module
connection point.
Attention
If it is unavoidable to jointly connect 2 conductors, then a ferrule must be used
to join the wires together.
Ferrule:
Length 8 mm
Nominal cross section
1 mm2 for 2 conductors with 0.5 mm2 each
max.
WAGO Product 216-103 or products with comparable properties
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
30 • Power Supply
Isolation
2.7 Power Supply
2.7.1 Isolation
Within the field bus node, there are three electrically isolated potentials.
• Operational voltage for the field bus interface.
• Electronics of the couplers/controllers and the bus modules (internal bus).
• All bus modules have an electrical isolation between the electronics (inter-
nal bus, logic) and the field electronics. Some digital and analog input
modules have each channel electrically isolated, please see catalog.
Fig. 2-10: Isolation g0xxx01e
Attention
The ground wire connection must be present in each group. In order that all
protective conductor functions are maintained under all circumstances, it is
recommended that a ground wire be connected at the beginning and end of a
potential group. (ring format, please see chapter 2.8.3). Thus, if a bus module
comes loose from a composite during servicing, then the protective conductor
connection is still guaranteed for all connected field devices.
When using a joint power supply unit for the 24 V system supply and the
24 V field supply, the electrical isolation between the internal bus and the
field level is eliminated for the potential group.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
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