WAGO I/O-SYSTEM 750-517 User manual

Fieldbus Independent
I/O Modules
2 DO 230V AC 1.0 A/ Relay 2
CO/Pot. Free
750-517
Manual
Version 1.0.3

ii • General
WAGO-I/O-SYSTEM 750
I/O Modules
Copyright ©2006 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: [email protected]
Web: http://www.wago.com
Technical Support
Phone: [phone] – 5 55
Fax: [phone] – 85 55
E-Mail: [email protected]
Every conceivable measure has been taken to ensure the correctness and com-
pleteness of this documentation. However, as errors can never be fully ex-
cluded, we would appreciate any information or ideas at any time.
E-Mail: [email protected]
We wish to point out that the software and hardware terms as well as the tra-
demarks of companies used and/or mentioned in the present manual are gener-
ally trademark or patent protected.

Content • iii
WAGO-I/O-SYSTEM 750
I/O Modules
Content
1Important Comments ................................................................................. 4
1.1 Legal Principles........................................................................................4
1.1.1 Copyright............................................................................................. 4
1.1.2 Personnel Qualification .......................................................................4
1.1.3 Intended Use ........................................................................................4
1.2 Symbols....................................................................................................5
1.3 Number Notation......................................................................................5
1.4 Safety Notes .............................................................................................6
1.5 Scope ........................................................................................................6
2I/O Modules ................................................................................................. 7
2.1 Digital Output Module ............................................................................. 7
2.1.1 750-517 [2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free].....................7
2.1.1.1 View................................................................................................7
2.1.1.2 Description......................................................................................7
2.1.1.3 Display Elements ............................................................................8
2.1.1.4 Schematic Diagram.........................................................................9
2.1.1.5 Technical Data ..............................................................................10
2.1.1.6 Process Image ...............................................................................11
2.1.1.7 Load limiting value graph of the relay.......................................... 12
2.1.2 Contact Protective Circuit for Relay Modules ..................................13

4 • Important Comments
Legal Principles
WAGO-I/O-SYSTEM 750
I/O Modules
1 Important Comments
To ensure fast installation and start-up of the units described in this manual,
we strongly recommend that the following information and explanations are
carefully read and abided by.
1.1 Legal Principles
1.1.1 Copyright
This manual is copyrighted, together with all figures and illustrations con-
tained therein. Any use of this manual which infringes the copyright provi-
sions stipulated herein, is not permitted. Reproduction, translation and elec-
tronic and photo-technical archiving and amendments require the written con-
sent of WAGO Kontakttechnik GmbH & Co. KG. Non-observance will entail
the right of claims for damages.
WAGO Kontakttechnik GmbH & Co. KG reserves the right to perform modi-
fications allowed by technical progress. In case of grant of a patent or legal
protection of utility patents all rights are reserved by WAGO Kontakttechnik
GmbH & Co. KG. Products of other manufacturers are always named without
referring to patent rights. The existence of such rights can therefore not be
ruled out.
1.1.2 Personnel Qualification
The use of the product detailed in this manual is exclusively geared to special-
ists having qualifications in PLC programming, electrical specialists or per-
sons instructed by electrical specialists who are also familiar with the valid
standards. WAGO Kontakttechnik GmbH & Co. KG declines all liability re-
sulting 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 Intended Use
For each individual application, the components supplied are to work with a
dedicated hardware and software configuration. Modifications are only per-
mitted within the framework of the possibilities documented in the manuals.
All other changes to the hardware and/or software and the non-conforming use
of the components entail the exclusion of liability on part of WAGO Kon-
takttechnik 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.

Important Comments • 5
Symbols
WAGO-I/O-SYSTEM 750
I/O Modules
1.2 Symbols
Danger
Always abide by this information to protect persons from injury.
Warning
Always abide by this information to prevent damage to the device.
Attention
Marginal conditions must always be observed to ensure smooth operation.
ESD (Electrostatic Discharge)
Warning of damage to the components by electrostatic discharge. Observe
the precautionary measure for handling components at risk.
Note
Routines or advice for efficient use of the device and software optimization.
More information
References on additional literature, manuals, data sheets and INTERNET
pages
1.3 Number Notation
Number Code Example Note
Decimal 100 normal notation
Hexadecimal 0x64 C notation
Binary '100'
'0110.0100'
Within ',
Nibble separated with dots

6 • Important Comments
Safety Notes
WAGO-I/O-SYSTEM 750
I/O Modules
1.4 Safety Notes
Warning
Switch off the system prior to working on bus modules!
In the event of deformed contacts, the module in question is to be replaced, as
its functionality can no longer be ensured on a long-term basis.
The components are not resistant against materials having seeping and insu-
lating properties. Belonging to this group of materials is: e.g. aerosols, sili-
cones, triglycerides (found in some hand creams).
If it cannot be ruled out that these materials appear in the component envi-
ronment, then additional measures are to be taken:
- installation of the components into an appropriate enclosure
- handling of the components only with clean tools and materials.
Attention
Cleaning of soiled contacts may only be done with ethyl alcohol and leather
cloths. Thereby, the ESD information is to be regarded.
Do not use any contact spray. The spray may impair the functioning of the
contact area.
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 must only be given via a key or tool to authorized qualified
personnel.
The relevant valid and applicable standards and guidelines concerning the
installation of switch boxes are to be observed.
ESD (Electrostatic Discharge)
The modules are equipped with electronic components that may be destroyed
by electrostatic discharge. When handling the modules, ensure that the envi-
ronment (persons, workplace and packing) is well grounded. Avoid touching
conductive components, e.g. gold contacts.
1.5 Scope
This manual describes the Digital Output Module 750-517
2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free of the modular WAGO-I/O-
SYSTEM 750.
Handling, assembly and start-up are described in the manual of the Fieldbus
Coupler. Therefore this documentation is valid only in the connection with the
appropriate manual.

750-517 [2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free] • 7
View
WAGO-I/O-SYSTEM 750
I/O Modules
2 I/O Modules
2.1 Digital Output Module
2.1.1 750-517 [2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free]
2-Channel Relay Output Module AC 230 V 1.0 A,
isolated outputs, 2 changeover contacts
2.1.1.1 View
14 24
K1 K2
C
D
B
A
11 21
12 22
750-517
Data contacts
Relay 2
Status
Relay 1
Status
DO 2
L2
DO 2
DO 1
L1
DO 1 DO 2
N
N
Fig. 2.1.1-1: 2-Channel Relay Output Module 750-517 g051700e
2.1.1.2 Description
The connected load is switched via the digital output (relay contacts) from the
control system.
The internal system voltage is used to trigger the relays.
The module has two output channels. Two actuators may be directly con-
nected to signal output DO1 or /DO 1 and N, or to signal output DO 2 or /DO
2 and N.
The module has two isolated SPDT contacts, i.e. only the connection points of
the relay contacts are on the fieldside so that both sets of contacts can be con-
nected to different voltages independent from each other.
Due to the isolated contacts, it is also possible, for example, to connect both
relays in series or several relays can be connected in series by grouping these
modules.
The relay contacts L1 and L2 are supplied with 230V AC or 300V DC exter-
nal voltage.

8 • 750-517 [2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free]
Display Elements
WAGO-I/O-SYSTEM 750
I/O Modules
Depending on the position of the contact, the voltage applied to the middle re-
lay contact (L1 or L2) will be switched to the lower contact (/DO1 or /DO2)
or to the corresponding upper contact (/DO1 or /DO2).
When the contacts are in the open position, the contacts L1 and L2 are
switched to the lower relay contacts DO1 and DO2.
The internal system voltage is used to trigger the relays.
The switching status of the two relays is indicated via green status LEDs.
Any configuration of the output modules is possible when designing the field-
bus node. Grouping of module types is not necessary.
Attention
This module has no power contacts. For field supply to downstream I/O mod-
ules, a supply module will be needed.
Attention
This module has no power contacts. For field supply to downstream I/O mod-
ules, a supply module will be needed.
Note
For the protection of relay coils and contacts, inductive loads must be damp-
ened with an effective protection circuit!
Examples of protection circuits can be seen in the section 2.1.2 "Contact
Protective Circuit for Relay Modules".
The output module 750-517 can be used with all couplers/controllers of the
WAGO-I/O-SYSTEM 750.
2.1.1.3 Display Elements
LED Channel Designation State Function
off Make contact DO1 opened
Break contact /DO1 closed
A
green 1 Status
Relays 1 on Make contact DO1 closed
Break contact /DO1 opened
off Make contact DO2 opened
Break contact /DO2 closed
13 14
C
D
B
A
C
A
Fig. 2.1.1-2: Display
Elements g040002x C
green 2 Status
Relays 2 on Make contact DO2 closed
Break contact /DO2 opened

750-517 [2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free] • 9
Schematic Diagram
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.1.4 Schematic Diagram
14 24
11
12
DO
Status
21
22 DO
L
1
2
3
4
5
6
7
8
750-517
Fig. 2.1.1-3: 2-Channel Relay Output Module 750-517 g051701e

10 • 750-517 [2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free]
Technical Data
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.1.5 Technical Data
Module Specific Data
Number of outputs 2 changeover contacts
Current consumption max (internal) 90 mA
Switching voltage relay AC 250 V/DC 300 V
Switching current max AC 1 A
DC 1 A at DC 40 V
DC 0.15 A at DC 300V
Switching current min (recommended) 100 mA (DC 12 V)
Switching rate max. 6/min (at nominal load))
Pull-in time max. 8 ms
Dropout time max. 4 ms
Contact material Silver alloy
Mechanical life min. 5x106 (180 cycle of operation / min)
Electrical life min. 1x106(AC 1 A/250 V / resistive load)
Isolation 1.5 kVeff. (System/Field)*
*2.5 kV rated surge voltage
overvoltage category III
Internal bit width 2 bit out
Dimensions (mm) W x H x L 12 x 64* x 100
* from upper edge of 35 DIN rail
Weight ca. 55 g
Standards and Regulations (cf. Chapter 2.2 of the Coupler/Controller Manual)
EMC-Immunity to interference (CE) acc. to EN 50082-2 (96)
EMC-Emission of interference (CE) acc. to EN 50081-1 (93)
EMC-Immunity to interference
(Ship building)
acc. to Germanischer Lloyd (97)
EMC-Emission of interference
(Ship building)
acc. to Germanischer Lloyd (97)

750-517 [2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free] • 11
Process Image
WAGO-I/O-SYSTEM 750
I/O Modules
Approvals (cf. Chapter 2.2 of the Coupler/Controller Manual)
CULUS (UL508)
ABS (American Bureau of Shipping)
BV (Bureau Veritas)
DNV (Det Norske Veritas) Cl. B
GL (Germanischer Lloyd) Cat. A, B, C, D
KR (Korean Register of Shipping)
LR (Lloyd's Register) Env. 1, 2, 3, 4
NKK (Nippon Kaiji Kyokai)
RINA (Registro Italiano Navale)
KEMA II 3 G EEx nC II C T4
Conformity Marking
More Information
Detailed references to the approvals are listed in the document "Overview
Approvals WAGO-I/O-SYSTEM 750", which you can find on the CD ROM
ELECTRONICC Tools and Docs (Item-No.: 0888-0412)
or in the internet under:
www.wago.com !Documentation !WAGO-I/O-SYSTEM 750 !Sys-
tem Description
2.1.1.6 Process Image
The output bits control the state of the outputs.
Output bit B1 B0
Meaning controls DO 2
Channel 2
controls DO 1
Channel 1

12 • 750-517 [2 DO 230V AC 1.0 A/ Relay 2 CO/Pot. Free]
Load limiting value graph of the relay
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.1.7 Load limiting value graph of the relay
0,1 15
200
100
300
400
10
AC resetive load
DC resetive load
Voltage [V]
Current [A]
Fig. 2.1.1-4: Load limiting value graph of the relay g051703d

Digital Output Module • 13
Contact Protective Circuit for Relay Modules
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.2 Contact Protective Circuit for Relay Modules
Switching off inductive loads such as contactors and solenoid valves can gen-
erate transients with voltage peaks of up to several thousand volts. Very often,
these transients exceed the permissible limits specified in the EMC standards.
They must therefore be limited by using external circuits. Furthermore, they
cause an arc, which may destroy the switching contact, and have a significant
impact on the lifetime and safety of the relay.
The following protective circuits, which are directly connected to the source
of the interference in parallel with the consumer, have proved successful in
practice:
Load Protection Addi-
tional Off
Delay
Defined Induction
Voltage
Limitation
Bipolar
Effective
Attenuation
Advantages/Disadvantages
Diode
U
D
Load
g051211e
long yes (UD) no
Advantages:
- easy implementation
- cost-effective, reliable
- uncritical dimensioning
- low induction voltage
Disadvantages:
- attenuation only via load
resistor
- long off delay
Series connection
diode/zener diode
U
ZD
Load
g051212e
medium to
short yes (UZD) no
Advantages:
- uncritical dimensioning
Disadvantages:
- attenuation only above
UZD
Suppressor diode
U
ZD
Load
g051213e
medium to
short yes (UZD) yes
Advantages:
- cost-effective
- uncritical dimensioning
- limitation of positive)/
negative peaks
- suitable for A.C. voltage
Disadvantages:
- attenuation only above
UZD
Varistor
U
VDR
VDR
Load
g051214e
medium to
short yes (UVDR) yes
Advantages:
- high power absorption
- uncritical dimensioning
- suitable for A.C. voltage
Disadvantages:
- attenuation only above
UVDR
R/C combination
U
R
C
RC
Load
g051215e
medium to
short no yes
Advantages:
- HF attenuation via power
storage
- suitable for A.C. voltage
- level-independent attenua-
tion
Disadvantages:
- exact dimensioning re-
quired
- high inrush current

WAGO Kontakttechnik GmbH & Co. KG
Postfach 2880 • D-32385 Minden
Hansastraße 27 • D-32423 Minden
Phone: [phone] – 0
Fax: [phone] – 1 69
E-Mail: [email protected]
Internet: http://www.wago.com