WAGO 750-655 User manual

Fieldbus Independent

I/O Modules

AS-Interface master module

750-655

Manual

Version 1.2.3

ii • General

WAGO-I/O-SYSTEM 750

I/O Modules

Copyright  2007 by WAGO Kontakttechnik GmbH & Co. KG

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: [email protected]

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: [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

trademarks of companies used and/or mentioned in the present manual are

generally trademark or patent protected.

Table of Contents • iii

WAGO-I/O-SYSTEM 750

I/O Modules

Table of Contents

1 Important Comments ................................................................................. 6

1.1 Legal Principles........................................................................................ 6

1.1.1 Copyright ............................................................................................. 6

1.1.2 Personnel Qualification ....................................................................... 6

1.1.3 Intended Use ........................................................................................ 6

1.2 Symbols .................................................................................................... 7

1.3 Number Notation...................................................................................... 7

1.4 Safety Notes ............................................................................................. 8

1.5 Scope ........................................................................................................ 8

2 I/O Modules ................................................................................................. 9

2.1 Special Modules ....................................................................................... 9

2.1.1 750-655 [AS-Interface master module]............................................... 9

2.1.1.1 View................................................................................................ 9

2.1.1.2 Description...................................................................................... 9

2.1.1.3 Indicating devices ......................................................................... 13

2.1.1.4 Schematic circuit diagram............................................................. 14

2.1.1.5 Technical data ............................................................................... 15

2.1.1.6 Functional description................................................................... 16

2.1.1.6.1 Start-up behavior...................................................................... 16

2.1.1.6.1.1 Offline phase ....................................................................... 16

2.1.1.6.1.2 Detection phase ................................................................... 16

2.1.1.6.1.3 Activation phase .................................................................. 17

2.1.1.6.1.4 Normal mode ....................................................................... 17

2.1.1.6.2 Slave lists ................................................................................. 17

2.1.1.6.3 Operating modes ...................................................................... 17

2.1.1.6.3.1 Set-up mode......................................................................... 17

2.1.1.6.3.2 Protected operating mode.................................................... 18

2.1.1.6.4 Addressing in set-up mode....................................................... 19

2.1.1.6.5 Addressing in the case of configuration errors ........................ 19

2.1.1.6.5.1 Automatic addressing .......................................................... 19

2.1.1.6.5.2 Manual addressing............................................................... 20

2.1.1.7 Process image................................................................................ 21

2.1.1.7.1 Overview .................................................................................. 21

2.1.1.7.2 Control and status byte............................................................. 25

2.1.1.7.2.1 Assignment for process data communication...................... 25

2.1.1.7.2.2 Assignment for register communication .............................26

2.1.1.7.3 AS-Interface process data ........................................................27

2.1.1.7.3.1 AS-Interface flags................................................................ 28

2.1.1.7.4 Mailbox .................................................................................... 28

2.1.1.7.4.1 Structure .............................................................................. 29

2.1.1.7.4.2 Access procedure................................................................. 30

2.1.1.8 Mailbox commands....................................................................... 31

2.1.1.8.1 Overview of mailbox commands ............................................. 31

2.1.1.8.2 Result values of mailbox commands........................................ 33

2.1.1.8.3 Example of mailbox use........................................................... 33

iv • Important Comments

Legal Principles

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.9 Data channel for parameter exchange........................................... 36

2.1.1.9.1 Introduction .............................................................................. 36

2.1.1.9.2 Register structure ..................................................................... 36

2.1.1.9.2.1 Parameter data (Register 56) ...............................................36

2.1.1.9.2.2 Communications control (Register 57) ............................... 37

2.1.1.9.3 Parameter sets...........................................................................38

2.1.1.9.3.1 General parameter data (system parameter range) .............. 38

2.1.1.9.3.2 Bus module-specific parameter data ................................... 39

2.1.1.9.4 Parameter transmission process ............................................... 39

2.1.1.9.4.1 Determining the maximum bus module parameter data

(system parameters).............................................................39

2.1.1.9.4.2 Setting the monitoring time (system parameters)................ 40

2.1.1.9.4.3 Restoring factory settings (system parameters)................... 40

2.1.1.9.4.4 Reading/writing parameters (module-specific) ................... 41

2.1.1.9.4.5 Example: Configuring AS-Interface process data and

mailbox ................................................................................ 42

2.1.1.10 Extended diagnostics of the AS-Interface master......................... 43

2.1.1.10.1 List of AS-Interface slaves, which have initiated configuration

errors (LCS).............................................................................. 43

2.1.1.10.2 Protocol analysis: Counter for transmission errors for data

telegrams .................................................................................. 43

2.1.1.10.3 Offline phase in the case of configuration errors ..................... 43

2.1.2 Node Design ...................................................................................... 45

2.1.2.1 Grouping of AS-Interface Master Modules .................................. 45

3 Working with the AS-Interface master module 750-655....................... 46

3.1 Set up and configuration with WAGO-I/O-CHECK 2........................... 46

3.1.1 Setting up the AS-Interface process data and mailbox length...........46

3.1.2 Setting up the operating mode for the AS-Interface master .............. 47

3.1.3 Including a new slave in the AS-Interface network ..........................47

3.1.4 Selecting an AS-Interface slave from the slave overview................. 48

3.1.5 Configuring an AS-Interface slave .................................................... 48

3.1.6 Observing and setting up AS-Interface process data......................... 49

3.1.7 AS-Interface diagnostics.................................................................... 49

4 Fieldbus-specific behavior........................................................................ 50

4.1 CANopen................................................................................................ 50

4.1.1 Accessing the process image ............................................................. 50

4.1.1.1 Example ........................................................................................ 53

4.2 DeviceNet...............................................................................................55

4.2.1 Accessing the process image ............................................................. 55

4.2.1.1 Example ........................................................................................ 55

4.3 ETHERNET ...........................................................................................57

4.3.1 Modbus protocol................................................................................ 57

4.3.1.1 Accessing the process image ........................................................57

4.3.1.1.1 Example....................................................................................57

4.3.2 ETHERNET IP protocol.................................................................... 59

4.3.2.1 Accessing the process image ........................................................59

4.3.2.1.1 Example....................................................................................59

Table of Contents • v

WAGO-I/O-SYSTEM 750

I/O Modules

4.4 PROFIBUS DP....................................................................................... 61

4.4.1 Accessing the process image ............................................................. 61

4.4.1.1 Example ........................................................................................ 61

4.5 LON........................................................................................................ 64

5 Appendix .................................................................................................... 65

5.1 Overview of mailbox commands............................................................ 65

5.2 Overview of mailbox commands sorted by function ............................. 67

5.3 Overview of mailbox commands sorted by opcode ............................... 69

5.4 Overview of mailbox commands sorted by value .................................. 71

5.5 Mailbox command - Reference .............................................................. 73

5.5.1 Mailbox commands ........................................................................... 73

5.5.2 Functional profiles........................................................................... 126

6 • 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

contained therein. Any use of this manual which infringes the copyright

provisions stipulated herein, is not permitted. Reproduction, translation and

electronic and photo-technical archiving and amendments require the written

consent 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

modifications 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

specialists having qualifications in PLC programming, electrical specialists or

persons instructed by electrical specialists who are also familiar with the valid

standards. WAGO Kontakttechnik GmbH & Co. KG declines all 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 Intended Use

For each individual application, the components supplied are to work with a

dedicated hardware and software configuration. Modifications are only

permitted 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 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.

Important Comments • 7

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

8 • 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

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 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

environment (persons, workplace and packing) is well grounded. Avoid

touching conductive components, e.g. gold contacts.

1.5 Scope

This manual describes the Special Module 750-655

AS-Interface master module 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.

750-655 [AS-Interface master module] • 9

View

WAGO-I/O-SYSTEM 750

I/O Modules

2 I/O Modules

2.1 Special Modules

2.1.1 750-655 [AS-Interface master module]

2.1.1.1 View

Fig. 2.1.1-1: View g065500e

2.1.1.2 Description

The AS-Interface master module 750-655 is used to integrate the AS-Interface

network into the WAGO-I/O-SYSTEM 750. By this means, AS-Interface

slaves or subsystems, together with modules from the WAGO-I/O-SYSTEM

750, can be used in widely differing field bus systems.

The AS-Interface master module 750-655 behaves as a master for the AS-

Interface and as a slave for the field bus.

It already complies with the new AS-Interface specification 2.1. This means

that:

• up to 62 AS-Interface slaves can be connected to the master,

• the transmission of analog values is integrated within the masters and

• all other functions of the new specification, such as the evaluation of

peripheral errors, are also implemented.

10 • 750-655 [AS-Interface master module]

Description

WAGO-I/O-SYSTEM 750

I/O Modules

Fig. 2.1.1-2: Overview of the AS-Interface network p065501e

The AS-Interface functions are made available acyclically and the AS-

Interface process data are made available both cyclically and acyclically over

the field bus.

In cyclical data exchange, up to 32 bytes of I/O data (resettable) are

transmitted for the binary data of the AS-Interface strand.

In addition, analog values, and also all other commands of the new AS-

Interface specification, can be transmitted acyclically in a management

channel over the field bus.

750-655 [AS-Interface master module] • 11

Description

WAGO-I/O-SYSTEM 750

I/O Modules

Diagnostics functions, which go well beyond the AS-Interface specification,

enable intermittent configuration errors and sources of interference on the AS-

Interface communication to be easily localized. In this way, the downtimes of

systems can be minimized in the case of a fault and preventative maintenance

measures can be implemented.

LEDs signal the readiness for operation and the fault-free module bus

communication as well as the status of the signal transmission.

The AS-Interface master module 750-655 can be used with the following

WAGO-I/O-SYSTEM 750 couplers/controllers:

Bus system Coupler / Controller Item No.

Hardware

version

Software

version

750-301 01 07

750-303 01 07

Fieldbus coupler

750-333 12 from 07

ECO fieldbus coupler 750-343 03 from 06

Profibus

Programmable fieldbus controller 750-833 12 from 07

Fieldbus coupler 750-306 11 4I

ECO fieldbus coupler 750-346 02 07

DeviceNet

Programmable fieldbus controller 750-806 02 07

750-337 09 10 Fieldbus coupler

750-338 01 14

750-347 01 04 ECO fieldbus coupler

750-348 01 04

750-837 06 11

CANopen

Programmable fieldbus controller

750-838 01 11

750-341 03 03 Fieldbus coupler

750-342 04 14

750-841 03 07

ETHERNET

Programmable fieldbus controller

750-842 04 12

Fieldbus coupler 750-319 07 05 LON

Programmable fieldbus controller 750-819 08 07

IPC WAGO-IPC 750-870 02 IPC-

Firmware

02.04.

18/0200

Kbus-

Firmware

01.02.

03(06)

Further couplers/controllers on request.

12 • 750-655 [AS-Interface master module]

Description

WAGO-I/O-SYSTEM 750

I/O Modules

The version number is included in the fabrication number, which is printed on

the right-hand side of the bus module.

Note

A maximum of three AS-Interface master modules can be incorporated into

one fieldbus node. If it is intended to install two or three master modules in

direct vicinity to each other in one node, it is essential to observe the node

design acc. to chapter 2.1.2.1 „Grouping of AS-Interface Master Modules“.

750-655 [AS-Interface master module] • 13

Indicating devices

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.3 Indicating devices

LED Designation State Function

off 24 V supply fault or

AS-Interface supply fault

green

Power

AS-Interface

power

on 24 V supply OK and

AS-Interface supply OK

off AS-Interface incomplete on internal bus

(mapping)

green

Mapping

consistency

on AS-Interface complete on internal bus

off Communication to coupler/controller

OK

red

Internal bus

timeout

on Communication to coupler/controller

interrupted

off AS-Interface complete on internal bus

red overflow

on AS-Interface incomplete on internal bus

(timing)

off AS-Interface not active

green

AS-Interface

active

on AS-Interface active

off No automatic programming possible /

necessary

green prg enable

on A slave is missing and can be replaced

by automatic programming

off Protected operating mode

yellow cfg mode

on Set-up mode

off No fault

flashing Peripheral fault

13 14

AS-interface

active

prg enable

cfg mode

cfg error

24 V - power

AS-interface-

power

Mapping

consistency

K-Bus timeout

overflow

Fig. 2.1.1-3: Indicating devices

g065502e

red general fault

on Configuration error (Config Error Bit)

or at least one of the status bits 1 or 2

14 • 750-655 [AS-Interface master module]

Schematic circuit diagram

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.4 Schematic circuit diagram

Fig. 2.1.1-4: Schematic circuit diagram g065501e

750-655 [AS-Interface master module] • 15

Technical data

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.5 Technical data

Module-specific data

AS-Interface specification 2.1

Number of slaves up to 62

Current consumption (AS-

Interface)

40 mA

Supply voltage (AS-Interface) 26.5 V ... 31.6 V

AS-Interface cable length max. 100 m, with repeater 300 m

Cycle time AS-Interface 0.3 ms ... 10 ms, depending on number of slaves

Configuration

via process image, WAGO-I/O-CHECK 2

or AS-Interface mode contacts

Transmission channel 1

Current consumption max. (internal) 55 mA

Supply voltage DC 24 V via power contacts

Potential isolation 500 V system / supply / AS-Interface connection point

Data width 12 ... 48 bytes max. freely configurable,

including 1 byte control / status

Dimensions (mm) W x H x L 12 x 64* x 100

* from upper edge of mounting rail DIN 35

Weight ca. 70 g

Norms and Directives (cf. Chapter 2.2 in manual for coupler/controller)

EMC Immunity to interference CE according to EN 61000-6-2 (1996), EN 50295 (1999)

EMC Emissions of interference

CE

according to EN 61000-6-4 (2001)

Approvals (cf. Chapter 2.2 in manual for coupler/controller)

C

UL

US

(UL508)

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 !

System Description

16 • 750-655 [AS-Interface master module]

Functional description

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.6 Functional description

2.1.1.6.1 Start-up behavior

After switching on, all LEDs illuminate as part of a self test. Following this,

the LEDs indicate the status of the respective flags. On start-up, the AS-

Interface master module runs through the following phases:

Offline phase

Detection phase

Data exchange phase

Activation phase

Initialisation

Start-up mode

Normal mode

Management phase

Acquisition phase

Fig. 2.1.1-5: Start-up behavior g065503e

2.1.1.6.1.1 Offline phase

The master module is initialized; there is no exchange of data with the slaves.

Note

The master module will remain in the offline phase if the AS-Interface

circuit is not adequately supplied with power (U AS-I does not come on).

The offline phase can be exited in start-up mode or when the WAGO-I/O-

CHECK 2 commissioning tool starts automatically.

2.1.1.6.1.2 Detection phase

Beginning of start-up operation, in which a search is carried out for slaves

present on the AS-Interface. The master module remains in the detection

phase until at least one slave has been detected.

750-655 [AS-Interface master module] • 17

Functional description

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.6.1.3 Activation phase

State at the end of the start-up mode, in which the parameters of all the

connected and detected slaves are transmitted. At this point, access is enabled

to the data connections in the slaves.

Depending on the operating mode, either all detected and set-up slaves are

activated (protected mode of operation) or all detected slaves are activated

(set-up mode).

2.1.1.6.1.4 Normal mode

In the normal mode, the master module exchanges data with all active slaves

(data exchange phase), transmits management telegrams (telegrams from and

to the host, management phase) and searches for and activates newly

connected slaves (acquisition phase).

2.1.1.6.2 Slave lists

Information on available or set-up slaves is stored in the master in the form of

lists.

LDS LAS

LPS

LAS

Set-up mode

Protected mode

detected active projected active

Fig. 2.1.1-6: Slave lists g065504e

The list of detected slaves (LDS) includes all slaves, which the master detects

in the AS-Interface circuit and which have a valid address.

The list of projected slaves (LPS) includes all slaves, which the master expects

in the AS-Interface circuit as a result of the set-up.

The list of active slaves (LAS) includes all slaves with which the master

exchanges data. In the set-up mode, this list corresponds to the LDS list and,

in protected mode, it corresponds to the LPS list.

2.1.1.6.3 Operating modes

2.1.1.6.3.1 Set-up mode

The set-up mode is used for configuring the AS-Interface circuit.

Note

In the set-up mode, all detected slaves are activated even when there are

differences between the required and actual configuration.

18 • 750-655 [AS-Interface master module]

Functional description

WAGO-I/O-SYSTEM 750

I/O Modules

The master module is switched to set-up mode by short-circuiting the mode

contacts M1 and M2 for at least five seconds. The yellow "prj mode" LED

illuminates in set-up mode. In set-up mode, all detected slaves, with the

exception of slave zero, are activated. The master module is in normal mode.

Data is exchanged between the master module and all detected slaves

regardless of whether the detected slaves have already been set up.

Note

The AS-Interface master module is supplied from the factory in set-up

mode.

2.1.1.6.3.2 Protected operating mode

The master module is switched from set-up mode to protected mode by short-

circuiting the mode contacts M1 and M2.

Brief short-circuit:

The master module switches from set-up mode to protected mode without

setting up the current actual configuration as a required configuration.

Short-circuiting for longer than five seconds:

The master module switches from set-up mode to protected mode. At the same

time, the actual configuration is stored in the module as a required

configuration.

Note

If a slave with the address zero is detected on the AS-Interface, it will not

be possible to exit the set-up mode.

Note

In protected mode, only those slaves are activated, which have been set up

and the required configuration of which matches the actual values.

Note

In contrast to the set-up mode, in protected mode, data is only exchanged

between the master module and the slaves that have been set-up.

750-655 [AS-Interface master module] • 19

Functional description

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.6.4 Addressing in set-up mode

AS-Interface systems on the master module can be commissioned with the

WAGO-I/O-CHECK 2 commissioning tool.

The procedure is described in Chapter Fehler! Verweisquelle konnte nicht

gefunden werden. "Fehler! Verweisquelle konnte nicht gefunden

werden.".

Commissioning can also be carried out using an addressing unit.

2.1.1.6.5 Addressing in the case of configuration errors

2.1.1.6.5.1 Automatic addressing

One of the great advantages of the AS-Interface is the automatic address

programming. If a slave fails due to a defect, it can be replaced by a physically

identical slave with the address zero. The master module detects this and

automatically addresses the new slave with the address of the defective slave.

The following requirements must be satisfied for automatic programming:

• The master module must be in protected mode.

• The enable flag "Auto_prog" must be set.

• Only one of the set-up slaves must be undetected.

• The new slave must have the same configuration data as the missing slave.

When these conditions are satisfied, the master module indicates this with the

"prg enable" LED. If a slave is then detected with the address zero, it will

automatically be reprogrammed with the address of the missing slave.

The "Auto_prog" flag for automatic programming can be switched on and off

with the WAGO-I/O-CHECK 2 commissioning tool.

Note

Only slaves with the address zero can be re-addressed by the master

module.

Note

Automatic address programming is not carried out if the two slaves have

different configuration data, i.e. are not physically identical from the AS-

Interface side.

20 • 750-655 [AS-Interface master module]

Functional description

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.6.5.2 Manual addressing

If several slaves have failed, the addresses of the new slaves must be set

manually. This can be carried out with the WAGO-I/O-CHECK 2

commissioning tool or an addressing unit.

Note

If several slaves fail, they can no longer be automatically replaced by the

master.

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