Siemens SIMATIC CC712 Operating Instructions Manual

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SIMATIC

Industrial Ethernet - CloudConnect SIMATIC CC712

Operating Instructions

05/2019

C79000

Preface

Application and functions

LEDs, Connectors, Buttons, CLP

Installation, wiring, commissioning

Configuration

Diagnostics and maintenance

Technical specifications

Approvals

Dimension drawings

Accessories

SIMATIC CC712

-G8976-C503-01

Siemens AG Digital Industries Postfach 48 48 90026 NÜRNBERG GERMANY

C79000-G8976-C503-01

Ⓟ

DANGER

indicates that death or severe personal injury will result if proper precautions are not taken.

WARNING

indicates that death or severe personal injury may result if proper precautions are not taken.

CAUTION

indicates that minor personal injury can result if proper precautions are not taken.

NOTICE

indicates that property damage can result if proper precautions are not taken.

WARNING

Siemens products may only be used for the applications described in the catalog and in the relevant technical

ambient conditions must be complied with. The information in the relevant documentation must be observed.

Legal information

Warning notice system

This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are graded according to the degree of danger.

If more than one degree of danger is present, the warning notice representing the highest degree of danger will be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to property damage.

Qualified Personnel

The product/system described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with these products/systems.

Proper use of Siemens products

Note the following:

documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems. The permissible

Trademarks

All names identified by ® are registered trademarks of Siemens AG. The remaining trademarks in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.

Disclaimer of Liability

We have reviewed the contents of this publication to ensure consistency with the hardware and software described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the information in this publication is reviewed regularly and any necessary corrections are included in subsequent editions.

05/2019 Subject to change

Preface

Validity of the document

Product name

Article number

Functions

SIMATIC CC712

Connection of 1 process station

This document contains information on the following product:

● SIMATIC CC712 Article number: 6GK1411-1AC00 Hardware product version 1 Firmware version V1.1 Gateway for connection of a SIMATIC S7 or Modbus s server for SIMATIC S7 data

tation to a cloud system, OPC UA

Figure 1 SIMATIC CC712

The MAC address of the device is located below the socket for the power supply. You will find the article number on the device front.

You will find the hardware product version on the right side of the device as placeholder "X". "X 2 3 4", for example, indicates hardware product version 1.

The gateway is available in the following versions:

Table 1 Article numbers

Purpose of the manual

This manual describes the properties of the module and shows application examples. It supports you when installing, connecting up and commissioning the module.

The required configuration steps are described. You will also find instructions for operation and information about the diagnostics options.

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

6GK1411-1AC00

Preface

Required experience

To install, commission and operate the module, you require experience in the following areas:

● Data transfer via Ethernet / Internet

● Cloud systems, MQTT

● OPC UA

● Automation engineering

Terminology: Names and abbreviations

The following terms and abbreviations are used in this document:

●

Device / Gateway / Module

Names for the product "SIMATIC CloudConnect 7"

●

Station

Process station (SIMATIC S7 / Modbus)

●

WBM

Web Based Management

Web pages of the device for configuration and diagnostics data

●

Data block of a SIMATIC CPU

New in this release

First issue

Current manual release on the Internet

You can find the current version of this manual on the Internet pages of Siemens Industry Online Support: Link: (https://support.industry.siemens.com/cs/ww/en/ps/25621)

Cross references

In this document there are cross references to other sections.

To be able to return to the initial page after jumping to a cross reference, some PDF readers support the command <Alt>+<left arrow>.

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Preface

Note Open source software

The product contains open source software. Read the license conditions for open source software carefully before using the product.

License conditions

You will find license conditions in the following document on the supplied data medium:

● OSS_CloudConnect7_99.pdf

Security information

Siemens provides products and solutions with industrial security functions that support the secure operation of plants, systems, machines and networks.

In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions constitute one element of such a concept.

Firmware

Customers are responsible for preventing unauthorized access to their plants, systems, machines and networks. Such systems, machines and components should only be connected to an enterprise network or the internet if and to the extent such a connection is necessary and only when appropriate security measures (e.g. firewalls and/or network segmentation) are in place.

For additional information on industrial security measures that may be implemented, please visit Link: (http://www.siemens.com/industrialsecurity)

Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customers’ exposure to cyber threats.

To stay informed about product updates, subscribe to the Siemens Industrial Security RSS Feed under Link: (http://www.siemens.com/industrialsecurity)

The firmware is signed and encrypted. This ensures that only firmware created by Siemens can be downloaded to the device.

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Preface

Recycling and disposal

The product is low in pollutants, can be recycled and meets the requirements of the WEEE directive 2012/19/EU "Waste Electrical and Electronic Equipment".

Do not dispose of the product at public disposal sites. For environmentally friendly recycling and the disposal of your old device contact a certified disposal company for electronic scrap or your Siemens contact.

Keep to the local regulations.

You will find information on returning the product on the Internet pages of Siemens Industry Online Support: Link: (https://support.industry.siemens.com/cs/ww/en/view/109479891)

SIMATIC NET glossary

Explanations of many of the specialist terms used in this documentation can be found in the SIMATIC NET glossary.

You will find the SIMATIC NET glossary on the Internet at the following address:

Link: (https://support.industry.siemens.com/cs/ww/en/view/50305045)

Training, Service & Support

You will find information on training, service and support in the multilanguage document "DC_support_99.pdf" on the Internet pages of Siemens Industry Online Support:

Link: (https://support.industry.siemens.com/cs/ww/en/view/38652101)

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Preface ................................................................................................................................................... 3

1 Application and functions ...................................................................................................................... 11

1.1 Application .............................................................................................................................. 11

1.2 Functions and communication services .................................................................................. 11

1.3 Configuration examples .......................................................................................................... 13

1.4 Other services and properties ................................................................................................. 15

1.5 Configuration limits - communication ...................................................................................... 15

1.6 Range of functions of the WBM .............................................................................................. 17

1.7 Scope of delivery and requirements ....................................................................................... 18

2 LEDs, Connectors, Buttons, CLP .......................................................................................................... 21

2.1 LEDs ....................................................................................................................................... 21

2.2 Connections ............................................................................................................................ 22

2.2.1 Ethernet interfaces (P1, P2) ................................................................................................... 22

2.2.2 External power supply............................................................................................................. 23

2.3 The button "SET" .................................................................................................................... 23

2.4 CLP Slot .................................................................................................................................. 24

3 Installation, wiring, commissioning ........................................................................................................ 25

3.1 Important notes on using the device ....................................................................................... 25

3.1.1 Notes on use in hazardous areas ........................................................................................... 25

3.1.2 Notes on use in hazardous areas according to ATEX / IECEx .............................................. 26

3.1.3 General notices on use in hazardous areas according to UL HazLoc / FM ........................... 27

3.2 Installation ............................................................................................................................... 28

3.3 Connecting .............................................................................................................................. 33

3.4 Commissioning ....................................................................................................................... 35

3.4.1 Commissioning ....................................................................................................................... 35

3.4.2 Using a CLP ............................................................................................................................ 35

4 Configuration ........................................................................................................................................ 37

4.1 Security recommendations ..................................................................................................... 37

4.2 Overview of the WBM pages .................................................................................................. 39

4.3 General functions of the WBM ................................................................................................ 41

4.4 Calling the WBM ..................................................................................................................... 42

4.4.1 Establishing a connection to the WBM ................................................................................... 42

4.4.2 Logging into the WBM............................................................................................................. 43

4.4.3 Log out .................................................................................................................................... 44

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Table of contents

4.5 Start page ............................................................................................................................... 45

4.5.1 Info ......................................................................................................................................... 45

4.6 Interface configuration ........................................................................................................... 46

4.6.1 Ethernet .................................................................................................................................. 46

4.7 Process access ...................................................................................................................... 48

4.7.1 Station configuration .............................................................................................................. 48

4.8 OPC UA ................................................................................................................................. 52

4.8.1 OPC UA server ...................................................................................................................... 52

4.8.2 OPC UA Security ................................................................................................................... 54

4.8.3 Authentication ........................................................................................................................ 58

4.8.4 Properties of the OPC UA server ........................................................................................... 58

4.9 Cloud configuration ................................................................................................................ 59

4.9.1 Notes on structuring data ....................................................................................................... 59

4.9.2 Profile ..................................................................................................................................... 60

4.9.2.1 Profile ..................................................................................................................................... 60

4.9.2.2 MQTT configuration ............................................................................................................... 62

4.9.2.3 Certificates ............................................................................................................................. 64

4.9.2.4 Device parameters ................................................................................................................. 66

4.9.3 Topic editor ............................................................................................................................ 66

4.9.3.1 Topic settings ......................................................................................................................... 66

4.9.3.2 User data format .................................................................................................................... 71

4.9.3.3 Station assignment ................................................................................................................ 76

4.10 Data points ............................................................................................................................. 78

4.10.1 Notes on transfer time ............................................................................................................ 78

4.10.2 Data points ............................................................................................................................. 78

4.10.3 Import tags ............................................................................................................................. 84

4.11 Maintenance ........................................................................................................................... 87

4.11.1 System time ........................................................................................................................... 87

4.11.2 User ........................................................................................................................................ 89

4.11.3 Firmware ................................................................................................................................ 91

4.11.4 Saving .................................................................................................................................... 92

4.11.5 Communication / Restart ....................................................................................................... 93

4.11.6 Diagnostics ............................................................................................................................. 93

4.11.7 Logging ................................................................

.................................................................. 94

5 Diagnostics and maintenance ............................................................................................................... 95

5.1 Diagnostics options ................................................................................................................ 95

5.2 Loading new firmware ............................................................................................................ 95

5.3 Reset ...................................................................................................................................... 96

5.4 Device replacement in the event of a fault ............................................................................. 97

6 Technical specifications ........................................................................................................................ 99

6.1 Technical specifications - CloudConnect 712 ........................................................................ 99

6.2 Pinout of the Ethernet interfaces.......................................................................................... 100

6.3 Permitted cable lengths - Ethernet....................................................................................... 101

6.4 Permitted cable lengths - Gigabit Ethernet .......................................................................... 101

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Table of contents

7 Approvals ............................................................................................................................................ 103

8 Dimension drawings ............................................................................................................................ 107

A Accessories ........................................................................................................................................ 109

A.1 Power supply ........................................................................................................................ 109

A.2 CLPs ..................................................................................................................................... 109

Index................................................................................................................................................... 111

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Table of contents

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1.1 Application

Applications of the gateway

The gateway connects process stations to the following target systems:

● A cloud system via MQTT

Process stations: S7 / Modbus

● OPC UA clients

Process stations: S7

An S7 CPU data point can alternatively be configured for one of the two target systems.

1.2 Functions and communication services

Process stations

The gateway can communicate with the following process stations:

● SIMATIC S7-300/400/1200/1500

Communication via Ethernet (S7 communication)

● Modbus controllers

Communication via Ethernet (Modbus/TCP)

Protocols for the cloud connection

The gateway supports the following protocols for communication with a cloud broker or cloud server:

● MQTT

According to OASIS standard version 3.1 / 3.1.1

The gateway is the publisher.

Supported cloud systems

The gateway supports the connection to cloud systems that support a broker functionality with the above-mentioned requirements and the functions described below.

The configuration of cloud access ("Cloud profile") is adapted to communication with the following cloud systems:

● MindSphere (Siemens)

Service: MindConnect IoT Extension

● AWS (Amazon)

Service: IoT Core

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Application and functions

1.2 Functions and communication services

● Azure (Microsoft)

Service: IoT Hub

● IBM Cloud (IBM)

Service: Watson IoT Platform

● Other Cloud

Profile for another cloud system

OPC UA server for S7 data

For transfer of S7 process data, the gateway can be used as OPC UA server. The gateway reads process data from the S7 CPU and, as OPC UA server, makes it available to one or more OPC UA clients.

The server function can be enabled or disabled in the configuration.

The OPC UA server supports the following functions:

● Reading and writing tags

● Monitoring tags (MonitoredItems) using Subscriptions

● Hierarchical address browsing

The OPC UA server is implemented based on the "Micro Embedded Device 2017 Server Profile" of the OPC Foundation. For details, see: Link: (https://apps.opcfoundation.org/ProfileReporting/ModifyProfile.aspx?ProfileID=19dfd3d2-

eb5a-40b0-b80b-b2b181d9fc51)

The OPC UA server supports the functions relevant for this profile from the following specifications:

● IEC/TR 62541-1 (08-2012) OPC Unified Architecture - Part 1: Overview and Concepts

● IEC/TR 62541-2 (02-2009) OPC Unified Architecture - Part 2: Security Model

For the supported security profiles, refer to the section OPC UA Security (Page 54).

● IEC 62541-3 (08-2012) OPC Unified Architecture - Part 3: Address Space Model

For the supported data types, refer to the section Data points (Page 78).

● IEC 62541-4 (08-2012) OPC Unified Architecture - Part 4: Services

● IEC 62541-5 (08-2012) OPC Unified Architecture - Part 5: Information Model

● IEC 62541-6 (08-2012) OPC Unified Architecture - Part 6: Mappings

● IEC 62541-7 (09-2010) OPC Unified Architecture - Part 7: Profiles

Configuration using the WBM

You configure the gateway parameters in Web Based Management (WBM). The WBM consists of Web pages stored in the gateway. From a configuration PC you connect to the WBM of the gateway via HTTPS.

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Application and functions

1.3 Configuration examples

Below you will find examples of possible configurations with the "CloudConnect 7" gateway:

Connection of a process station to a cloud broker

In the configuration shown, the gateway reads process data from a process station and transfer the data to a cloud broker using MQTT.

The process station is a SIMATIC S7-300 in this example. It can also be any other station from the S7 product family.

A Modbus station, such as the programmable controller of a third-party supplier, can also be connected.

● When it is connected to a SIMATIC S7, the gateway communicates using an S7 connection.

● When it is connected to a Modbus station, the gateway communicates using Modbus/TCP.

Figure 1-1 CloudConnect 712 for connecting a station to the cloud

Connection of a process station to OPC UA clients

In the configuration shown, the gateway transfers process data over OPC UA to a central control room or one or more OPC UA clients.

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Application and functions

1.3 Configuration examples

The gateway reads process data from a S7 station and, as OPC UA server, makes it available to one or more OPC UA clients.

Figure 1-2 CloudConnect 712 for connecting a station to OPC UA clients

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Application and functions

1.4 Other services and properties

Other services and properties

● IP configuration

– The gateway supports IP addresses according to IPv4 and IPv6.

– Address assignment:

The IP address, the subnet mask and the address of the default router can be set in the configuration.

– DHCP: As an alternative, the IP address can be obtained from a DHCP server.

– Optionally, the host name can be ungrouped from a DNS server.

●

Time-of-day synchronization over Industrial Ethernet

Time-of-day synchronization of the gateway can be configured according to the following NTP method (Network Time Protocol):

– NTP

– NTP (secure)

For more information, refer to the section System time (Page 87).

●

CLP (Exchangeable storage medium)

The gateway can save the configuration data on a CLP. The CLP is an external storage medium and does not ship with the product.

For information on the CLP slot, see section CLP Slot (Page 24).

For information on the functions of the CLP, see section Using a CLP (Page 35).

For ordering data of the available CLPs, see appendix CLPs (Page 109).

●

Diagnostics

With the following means and methods, you can obtain the diagnostics data of the gateway:

– LEDs

– Web diagnostics

You will find more information on diagnostics in the section Diagnostics (Page 93).

1.5 Configuration limits - communication

The gateway supports the following maximum quantity structure.

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Application and functions

1.5 Configuration limits - communication

Connection resources over the process interface

● Number of connections to S7 stations

Max. 1 S7 connection to one S7 connection

●

Number of connections to Modbus stations

Max. 10 connections to Modbus stations

●

Number of connections to the configuration PC

Max. 1 HTTPS connection

Number of process data

● Tags in the data area of S7 CPUs

– Max. 500 tags

●

Tags per S7 CPU

– Max. 500 tags

●

Tags in the data area of Modbus stations

– Max. 100 tags per Modbus station

Connections over the Cloud interface

● Number of sessions with the broker

Max. 1 session

●

Number of connections to OPC UA clients

Max. 10 simultaneous sessions with OPC UA clients

OPC UA server

As OPC UA server, the gateway supports the following quantity structure.

●

Number of tags in the CPU data area

– Max. 500 symbols: / PLC tags

●

Number of supported subscriptions

– Max. 5 subscriptions per session

– In total maximum of 50 subscriptions at the same time

●

Number of items per subscription

– Max. 500 tags per subscription

– Max. 2500 tags over all subscriptions

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Application and functions

1.6 Range of functions of the WBM

Web Based Management (WBM)

You configure the gateway using its Web Based Management (WBM). The WBM consists of Web pages that can be called up in the Web browser of a connected PC. From your PC you connect to the WBM via HTTPS.

For information on the Web browsers that can be used on the PC, see section Scope of delivery and requirements (Page 18).

Access to the WBM

To call the WBM, you need to establish a connection between the PC and the gateway via LAN, see section Establishing a connection to the WBM (Page 42).

Overview of the functions of the WBM

The WBM provides the following functions:

●

User management

In the open WBM, you specify the user name and the password for the "Administrator" role. You can only access the WBM with this administrator information.

●

Configuration

Using the WBM, configure the following function areas:

– Basic functions such as the time of day or IP address

– Connection of the process station

– Connection to the higher-level network (cloud, OPC clients)

– Communication functions

●

Maintenance and diagnostic functions

– Diagnostics

– Loading and storing the configuration data

– Downloading new firmware versions

Reusing the configuration file

The configuration data you create in the WBM is saved in the gateway.

If you want to back up the data as well, you can also save the configuration data in the WBM area "Maintenance" on a CLP inserted in the gateway.

If you are using multiple gateways with partially identical configuration data, you can export the configuration file of a gateway, copy it, and download it to additional gateways where you can adapt it as needed.

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Application and functions

1.7 Scope of delivery and requirements

Scope of delivery

The following positions ship with the gateway:

● Gateway "CloudConnect 7"

● Terminal block for power supply of the gateway

● Data storage medium with documentation

Required accessories

The following accessories (which do not ship with the product) are required for gateway operation:

● Power supply

You need a 24 V DC external voltage source.

● PC

To configure the gateway, you need a configuration PC with suitable Web browser (see below).

● LAN cable

For the connection of the configuration PC to the X2 LAN interface of the gateway, you need a Cat 5 ITP cable.

Communication partner

● Process access

For process access you need a station in productive operation, alternatively:

– S7 station

– Modbus station

●

Cloud access / OPC clients

– For cloud access, you need the access set up to a cloud broker.

– You need at least one set up OPC UA client for connection via OPC.

Requirements in the S7 stations

The following requirements need to be met in your STEP 7 project or in the connected S7 stations.

● Tags / symbols

For access to the process data, tags or symbols must be created in the relevant CPU.

STEP 7 Professional: The "Optimized block access" option must be disabled in DBs. For further details, see section Data points (Page 78).

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Application and functions

1.7 Scope of delivery and requirements

● CPU 1200/1500

– Read protection cannot be configured under "Protection & Security" in the CPU.

– Access via PUT/GET must be configured under "Protection & Security" in the CPU.

● CPU 300/400

Read protection cannot be configured under "Protection" in the CPU.

● CP 300/400

The following requirements must be met on the CP for access to the station via a CP:

– "Module access protection" is configured as "Not locked".

– When "IP access protection" is configured, the IP address of the gateway must be

configured with the right "A".

● CP 1200

For access to the station via a telecontrol CP, S7 communication must be enabled on the CP under "Communication types".

Web browser for the configuration PC

For access to the WBM of the gateway, the configuration PC needs one of the following Web browsers.

● Apple Safari

● Firefox Quantum

● Google Chrome

● Microsoft Edge

● Microsoft Internet Explorer

The Web browser must accept cookies. The application uses a cookie.

JavaScript must be enabled in your Web browser.

Recommendation: Use the latest available version of the Web browser.

Optional

● CLP

Exchangeable storage medium for storing configuration data

● NTP server - can be reached over interface P1 / P2

● DHCP server - can be reached over interface P1

● DNS server - can be reached over interface P1

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Application and functions

1.7 Scope of delivery and requirements

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LED symbol

LED status

OFF

ON (steady light) *

Flashing

LED name (colors)

LED pattern

Meaning / Module status

Power

Power supply

Device Connection

Connection to process stations

Cloud Connection

Connection to Cloud

2.1 LEDs

LEDs

The LEDs on the front show the states of the module.

The LED symbols in the table below correspond to the following states of the LEDs:

* : Part flashes yellow and part lit green

Meaning of the LED displays

(green)

(green / yellow)

Power OFF

Power ON

No connection to configured process stations

Existing connection to all configured process stations

No connection to at least one of the configured process stations

No communication with process stations Possible causes:

• Stop of communication over WBM ("Maintenance" tab)

• Incorrect configuration

No process station configured

No connection to cloud server

Existing connection to cloud server

Connection establishment to cloud server

No communication with process server Possible causes:

• Interruption of the communication

• Incorrect configuration

No cloud server configured

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

LEDs, Connectors, Buttons, CLP

LED name (colors)

LED pattern

Meaning / Module status

Diagnosis

Diagnostics

Security

P1 / P2

Connection to Ethernet at interface P1 or P2

Existing connection with data traffic

Note Connection to subnets

The two Ethernet interfaces are not designed as a switch, different networks.

If the connection to the cloud is in the same subnet as the process connection, enable the "Cloud interface in the same s configuration.

2.2 Connections

(green / yellow)

No error

Error, diagnostic message available. (See WBM "Maintenance > Diagnostics messages")

Reset is initiated (button pressed during startup).

Reset is executed (button can be released).

(green)

(green / yellow)

No secure connection to cloud server / OPC UA clients configured

All connections to cloud server / OPC UA clients configured as secure

At least one unsecure connection to cloud server / OPC UA clients configured

No Ethernet connection

Existing Ethernet connection

2.2 Connections

2.2.1 Ethernet interfaces (P1, P2)

Ethernet interfaces

The gateway has two Ethernet interfaces according to Gigabit standard IEEE 802.3ab, designed as RJ45 socket. They support autocrossing, autonegotiation and autosensing.

● P1

Cloud interface for connection of a cloud broker and OPC clients

● P2

Process interface for connecting the stations of the automation plant

but are intended for connection to

ubnet" option in the "Interface configuration" in the

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The pin assignment of the Ethernet interfaces and other data can be found in the section Technical specifications (Page 99).

LEDs, Connectors, Buttons, CLP

WARNING

EXPLOSION HAZARD

Note Configuration data is deleted

By resetting to factory settings, the gateway is reset to the status as it was delivered from the factory

2.3 The button "SET"

2.2.2 External power supply

External power supply

The connector (socket) for the external 24 V DC power supply is located on the front of the gateway. The external power supply is redundant (optional use).

The power supply is connected to the gateway with the supplied 5-pin plug-in terminal block.

The connection has a mechanical reverse polarity protection. The terminal block is designed so that it can only be inserted in one position into the socket of the gateway.

Figure 2-1 Socket of the external power supply

For information on allocation of the socket and for the connection, see section Connecting (Page 33).

You will find further data on the power supply in section Technical specifications (Page 99).

2.3 The button "SET"

Functions of the button

Do not press the button if there is a potentially explosive atmosphere.

The "SET" button has the following functions:

●

Resetting to factory settings

. This deletes all the configured settings.

For the precise effects of resetting, refer to the section Reset (Page 96).

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

LEDs, Connectors, Buttons, CLP

Duration of pressing the button (seonds)

Function and operation

Resetting to factory settings

address set at the factory.

2.4 CLP Slot

Pressing the button

≥ 5 s

1. Turn off the power supply.

2. Switch the power supply on again while pressing the button. Hold down the button for at least 5 seconds during startup. Reset is prepared while the "Diagnosis" LED flashes.

3. Release the button when the LED stops flashing. While the LED lights up with a green steady light, the gateway performs the reset.

Once reset is complete, the gateway performs a restart and can be reached using the default IP

2.4 CLP Slot

The slot for an optional CLP is located on the back of the module.

For information on inserting and removing the CLP, see section Using a CLP (Page 35).

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24 Operating Instructions, 05/2019, C79000-G8976-C503-01

Figure 2-2 Slot for optional CLP on the back of the device

WARNING

EXPLOSION HAZARD

WARNING

EXPLOSION HAZARD

3.1 Important notes on using the device

Safety notices on the use of the device

Note the following safety notices when setting up and operating the device and during all associated work such as installation, connecting up or replacing the device.

If the device is installed in a cabinet, the inner temperature of the cabinet corresponds to the ambient temperature of the device.

3.1.1 Notes on use in hazardous areas

Replacing components may impair suitability for Class 1, Division 2 or Zone 2.

The device may only be operated in an environment with pollution degree 1 or 2 as described in IEC 60991-1.

The device may only be operated in an environment with pollution degree 1 or 2 (see IEC 60664-1).

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Do not connect or disconnect cables to or from the device when a flammable or combustible atmosphere is present.

Installation, wiring, commissioning

WARNING

DIN rail

WARNING

Requirements for the cabinet/enclosure

WARNING

Cable

WARNING

3.1 Important notes on using the device

When used in hazardous environments corresponding to Class I, Division 2 or Class I, Zone 2, the device must be installed in a cabinet or a suitable enclosure.

If a device is operated in an ambient temperature of more than 60 to 70 °C, the temperature of the device housing may be higher than 70 °C. The device must therefore be installed so that it is only accessible to service personnel or users that are aware of the reason for restricted access and the required safety measures at an ambient temperature higher than 60 °C.

3.1.2 Notes on use in hazardous areas according to ATEX / IECEx

In the ATEX and IECEx area of application only the Siemens DIN rail 6ES5 710-8MA11 may be used to mount the modules.

To comply with EC Directive 2014/34 EU (ATEX 114) or the conditions of IECEx, this enclosure or cabinet must meet the requirements of at least IP54 (in compliance with EN 60529) according to EN 60079-7.

If the cable or conduit entry point exceeds 70 °C or the branching point of conductors exceeds 80 °C, special precautions must be taken. If the equipment is operated in an air ambient in excess of 50 °C, only use cables with admitted maximum operating temperature of at least 80 °C.

Take measures to prevent transient voltage surges of more than 40% of the rated voltage. This is the case if you only operate devices with SELV (safety extra-low voltage).

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Installation, wiring, commissioning

WARNING

LAN connection (Local Area Network)

WARNING

EXPLOSION HAZARD

WARNING

EXPLOSION HAZARD

WARNING

Explosion hazard

3.1 Important notes on using the device

A LAN or LAN segment with all the interconnected devices should be contained completely in a single low voltage power distribution system in a building. The LAN is designed either for “Environment A” according to IEEE802.3 or "Environment 0" according to IEC TR

62102.

Do not connect any electrical connectors directly to the telephone network (Telephone Network Voltage) or a WAN (Wide Area Network).

Do not press the SET button if there is a potentially explosive atmosphere.

3.1.3 General notices on use in hazardous areas according to UL HazLoc / FM

This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or nonhazardous locations only.

This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations only.

You may only connect or disconnect cables carrying electricity when the power supply is switched off or when the device is in an area without inflammable gas concentrations.

Do not remove or replace while circuit is live when a flammable or combustible atmosphere is present.

Do not disconnect equipment when a flammable or combustible atmosphere is present.

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Installation, wiring, commissioning

WARNING

EXPLOSION HAZARD

WARNING

Open equipment

WARNING

Cable temperatures

3.2 Installation

The equipment is intended to be installed within an ultimate enclosure. The inner service temperature of the enclosure corresponds to the ambient temperature of the module. Use installation wiring connections with admitted maximum operating temperature of at least 30 ºC higher than maximum ambient temperature.

Wall mounting is only permitted if the requirements for the housing, the installation regulations, the clearance and separating regulations for the control cabinets or housings are adhered to. The control cabinet cover or housing must be secured so that it can only be opened with a tool. An appropriate strain-relief assembly for the cable must be used.

Substitution of components may impair suitability for Division 2.

3.2 Installation

The device is "open equipment" acc. to the standard UL 61010-2-201. To fulfill requirements for safe operation with regard to mechanical stability, flame retardation, stability, and protection against contact, the following alternative types of installation are specified:

• Installation in a suitable cabinet.

• Installation in a suitable enclosure.

• Installation in a suitably equipped, enclosed control room.

If the cable or housing socket exceeds 70 °C or the branching point of the cables exceeds 60 °C, special precautions must be taken. If the equipment is operated in an ambient environment in excess of 40 °C, only use cables with permitted maximum operating temperature of at least 80 °C.

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Installation, wiring, commissioning

NOTICE

Install and remove the device only when the power is off.

NOTICE

Installation location - Dependency of the temperature range

Minimum clearances

3.2 Installation

Switch off the power supply of the device before you install or remove the device. Installing and removing devices with the power supply on can lead to damage to the devices and to loss of data.

Installation options

You have the following options to install the gateway:

● Wall mounting

● Mounting on the following rail types (rack):

– DIN rail

– S7-1500 standard rail

– S7-300 standard rail

You can find suitable standard rails in the Siemens accessories program for automation technology, for example:

35 mm standard mounting rail for 19" cabinets, article numbers 6ES5710-8MA11

● Mounting on pedestal

You can use the SCALANCE M pedestal "6GK5898-8MD00" for table mounting (does not ship with the product).

Installation location

Note the dependency of the permitted temperature range of the installation location.

• Horizontal installation of the rack (DIN rail) means a vertical position of the modules.

• Vertical installation of the rack (DIN rail) means a horizontal position of the modules.

You will find the permitted temperature ranges in the section Technical specifications (Page 99).

Mount the device so that its upper and lower ventilation slits are not covered, allowing adequate ventilation as protection from overheating.

Keep to the following minimum clearances for the circulation of air when the rack is installed horizontally:

• Above the device: At least 33 mm

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

• Below the device: At least 25 mm

Installation, wiring, commissioning

Installation of the rack

Installation position of the modules

3.2 Installation

Horizontal installation of the rack

Vertical installation of the rack

Wall mounting

1. Prepare the drill holes for wall mounting. For the dimensions, refer to the section "Dimension drawings (Page 107)".

2. Secure the device to the wall with two screws (4 mm).

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Installation, wiring, commissioning

NOTICE

Grounding

Note Protecting the modules from slipping on the DIN rail

If you install the modules in an area with mechanical load, use suitable clamping devices at both ends of the device group to secure the modules on the DIN rail, e.g. Siemens and retainer 8WA1808.

The end retainers prevent the modules separa

3.2 Installation

Installation on a DIN rail

1. Insert the device with the respective guide ① into the standard rail:

– Top guide for S7-1500 standard rail

– Center guide for S7-300 standard rail

– Bottom guide for DIN rail

2. Tilt the device to the back until the mounting rail release audibly locks in place

3. Ground the mounting rail.

②.

For reasons of electrical safety, the DIN rail must be connected to the protective conductor system (PE) of the electrical system.

ting under mechanical load.

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Installation, wiring, commissioning

3.2 Installation

Mounting on pedestal

1. Insert the device with the bottom housing guide on the top edge of the pedestal ①.

2. Press the device against the pedestal until the mounting rail release audibly locks in place

②.

Uninstalling

Follow the steps below to remove the device from the rail:

1. Turn off the supply voltage of the device.

2. Pull the power supply plug and the cables of the communication networks.

3. Pull down the mounting rail release on the rear of the device.

4. Tilt the device out of the standard rail.

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Installation, wiring, commissioning

NOTICE

Suitable fusing for the power supply cable

Note Protective ground

A PELV circuit contains a connection to protective ground. Without a connection to protective ground, or in case there is a fault in the connection to the protective ground, the voltage for the circuit is not stabilized.

WARNING

Power supply

3.3 Connecting

The current at the connecting terminals must not exceed 4 A. Use a fuse for the power supply that protects against currents > 4 A.

The fuse has to be designed for protection of DC power supply circuits as well as for the following requirements.

• In areas used according to NEC or CEC: – Suitable for DC (min. 60 V / max. 4 A) – Cut-off voltage min. 10 kA – UL/CSA listet (UL 248-1 / CSA 22.2 No. 248.1) – Classes R, J, L, T or CC

• In other areas: – Suitable for DC (min. 60 V / max. 4 A) – Cut-off voltage min. 10 kA – Approved for power supply circuits (branch circuits) according to local regulations

(e.g. IEC 60127-1, EN 60947-1)

– Breaking characteristics: B or C circuit breakers and fuses

You do not need a fuse for the power supply cable if you use a voltage source according NEC Class 2 or a power supply from the range of accessories, see attachment Power supply (Page 109).

The device is designed for operation with a directly connectable safety extra-low voltage (SELV) and protective extra-low voltage (PELV) according to IEC 60364-4-41.

Recommendation: Use the power supply of a process station if this is in the vicinity of the gateway.

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Installation, wiring, commissioning

NOTICE

Connection only with power off

Note

The power supply unit of the device is not electrically isolated.

Terminal

Assignment

L1+

24 VDC

Reference ground

L2+

24 V DC for redundant connection (optional)

3.3 Connecting

Order of the work

Only connect the device with the power switched off.

The device can be disconnected from the power supply with the terminal block.

Requirement: The device is mounted.

1. Connect the external power supply to the terminal block of the device.

2. Connect the cables of the two Ethernet networks to the interfaces of the device.

See the note in section Ethernet interfaces (P1, P2) (Page 22).

Turn the power supply on only after the device has been completely wired and connected.

The further procedure is described in the section Commissioning (Page 35).

Power supply

Use only copper cables for the power supply.

● Wire: 0.5 ...3 mm

● Stranded wire: 0.5 ...2.5 mm

(AWG 20 ...18)

● Tightening torque for screw terminals: 0.6 to 0.8 Nm

The 5-pin plug-in terminal block for the socket has a mechanical reverse polarity protection.

Table 3- 1 Pin assignment of the socket for the power supply

M2 Ground reference for redundant connection

Ground

You will find information about the connectable cable cross sections, power consumption and further technical details in section Technical specifications (Page 99).

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Installation, wiring, commissioning

3.4 Commissioning

3.4.1 Commissioning

Commissioning

1. Turn on the power supply after connecting it to the gateway.

2. Connect the configuration PC to the gateway for configuration, refer to the section Establishing a connection to the WBM (Page 42).

If you want to use a CLP, turn off the power supply before you start configuring, insert the CLP and turn on the power supply again.

Requirements for operation

At least the following requirements apply to operating the gateway:

● Configuration of the device

● At least one running process station

● A setup cloud service or OPC UA client

● Connecting the gateway to the networks of the communication partners

Applying the configuration data during commissioning

The "Apply" button

All saved configuration data that you create in the WBM is loaded into the gateway by clicking the "Apply" button and used immediately. In this way, you can commission the gateway step-by-step.

For information on the buttons of the WBM, see section General functions of the WBM (Page 41).

3.4.2 Using a CLP

Exchangeable storage medium CLP

The gateway can be operated with an exchangeable CLP. The configuration data can be stored on this exchangeable medium and this is retained if there is a power failure.

This exchangeable medium makes it easier to replace a damaged component or for any other application of the gateway. By simply exchanging the plug, all data can be transferred without having to be configured again.

The CLP is supplied with power by the gateway. The CLP retains all data permanently when the power is turned off.

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Installation, wiring, commissioning

Note Use new CLPs

Only use a brand

eway. The gateway formats

a brand

CLPs that have already been used in other device types cannot be used for the gateway.

Note Insert and remove only when power is off

The CLP may be inserted or removed only when the power is off!

3.4 Commissioning

-new CLP or a CLP that was formatted by a gat

-new CLP when it starts up with it.

Startup of the gateway with configuration file on CLP

When a configuration file is saved on the CLP and you insert the CLP into a gateway, the gateway always starts up with the configuration data of the CLP.

By inserting a CLP into a brand-new gateway or a gateway that was reset to factory settings, you can cause the gateway to always start up with the configuration file saved on the CLP.

Function

An unwritten CLP (factory state) is automatically formatted for the gateway on startup of the device.

Inserting the CLP

The configuration of the gateway which you configure and apply is automatically backed up on the CLP.

A device with an inserted CLP automatically uses the configuration data of the inserted CLP when it starts up. This is, however, only possible when the data was written by a compatible device type.

This allows fast and simple replacement of the basic device. If a device is replaced, the CLP is taken from the failed device and inserted in the replacement. As soon as it starts up, the replacement automatically applies the same device configuration as the failed device.

The slot for the CLP is located on the back of the device, see section CLP Slot (Page 24).

1. Turn off the power to the device.

2. Insert the CLP in the slot.

The CLP can only be inserted in one position.

Removing the CLP

1. Turn off the power to the device.

2. Insert a screwdriver between the front edge of the CLP and the slot and remove the CLP.

Diagnostics

General malfunctions of the CLP are signaled by the respective diagnostic message.

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4.1 Security recommendations

Keep to the following security recommendations to prevent unauthorized access to the system.

General

● You should make regular checks to make sure that the device meets the following recommendations and other internal security guidelines if applicable.

● Evaluate your plant as a whole in terms of security. Use a cell protection concept with suitable products.

● Check regularly for security updates of the products and use them.

● Check regularly for new features on the Siemens Internet pages.

– Here you will find information on industrial security:

Link: (http://www.siemens.com/industrialsecurity)

– Here you will find information on security in industrial communication:

Link: (http://w3.siemens.com/mcms/industrial-communication/en/ie/industrial-ethernet-

security/Seiten/industrial-security.aspx)

– You will find a publication on the topic of network security (6ZB5530-1AP0x-0BAx)

here: Link: (http://w3app.siemens.com/mcms/infocenter/content/en/Pages/order_form.aspx?node

Key=key_518693&infotype=brochures)

Enter the following filter: 6ZB5530

● Keep the software up to date. Always use the latest software version of the device.

– Information regarding product news and new software versions is available at the

following address: Link: (https://support.industry.siemens.com/cs/ww/en/ps/15248/dl)

Physical access

Restrict physical access to the devices to qualified personnel.

Security functions of the product

Think about the services with which you want to enable access to the process stations via public networks.

Use the options for security settings in the configuration of the product:

● Activate the security functions of the product and the devices involved.

● Use secure protocol variants (see below).

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Configuration

4.1 Security recommendations

Passwords

● Define rules for the use of devices and assignment of passwords.

● Regularly update the passwords to increase security.

● Make sure that all passwords are protected and inaccessible to unauthorized personnel.

● Do not use one password for different users and systems.

Protocols

Secure and non-secure protocols

● Only activate protocols that you require to use the system.

● Use secure protocols when access to the device is not prevented by physical protection

measures.

– The NTP protocol provides a secure alternative with NTP (secure).

– Access to the Web server is only possible with HTTPS.

Server ports

The following table provides you with an overview of the open ports on this device.

●

Protocol / function

Protocols that the device supports.

●

Port number (protocol)

Port number assigned to the protocol.

●

Default of the port

– Open

The port is open at the start of the configuration.

– Closed

The port is closed at the start of the configuration.

●

Port status

– Open

The port is always open and cannot be closed.

– Open after configuration

The port is open if it has been configured.

●

Authentication

Specifies whether or not the protocol authenticates the communications partner during access.

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Configuration

Protocol / function

Port number (protocol)

Default of the port

Port status

Authentication

HTTPS

443 (TCP)

Open

Yes

OPC UA server port

Note

Ensure that the PC and gateway are located in a protected network.

4.2 Overview of the WBM pages

Table 4- 1 Server ports

4840 (or individually

configured) (TCP)

Open when the server is enabled.

Client ports

Make sure that you open port 443 in your configuration PC (HTTPS) as well as the required client ports of the services used in the respective firewall in the subnet of the cloud in intermediary routers/gateways.

This can be:

● Broker port

– MQTT unsecured: 1883 (TCP)

– MQTT via TLS: 8883 (TCP)

The port number can be set in WBM.

● NTP / 123 (UDP)

● DNS / 53 (UDP)

● DHCP / 67, 68 (UDP)

HTTPS connection over the process interface

For security reasons, you can only establish a connection to the WBM via the process interface of the gateway from your PC.

Open after configuration (server)

Yes, when security is enabled.

The cloud interface is blocked for access to the WBM.

4.2 Overview of the WBM pages

Opening the WBM pages

All page titles that you need for navigation through the WBM are located at the top of each WBM page.

Open a WBM page by clicking the page title.

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Configuration

4.2 Overview of the WBM pages

The WBM tabs

The following list provides an overview of the WBM pages and their functions.

● Start page (Page 45)

– Info

The page provides an overview of important status and configuration data of the gateway.

● Interface configuration (Page 46)

– Configuring the gateway interfaces

● Process access (Page 48)

– Configuration of the process access (SIMATIC S7 / Modbus/TCP)

● OPC UA (Page 52)

– Configuring the OPC UA server

● Cloud configuration (Page 59)

– Configuring the cloud access

– Configuring the MQTT settings

– Certificate management

– Configuring the topics/groups and the user data format

● Data points (Page 78)

– Configuring the data points of the process stations

● Maintenance (Page 87)

– Time-of-day synchronization / setting the time

– User management

– Firmware update

– Configuration backup

– Process communication, restart

– Diagnostic messages

– Exporting logging data

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Configuration

Symbol

Function

Runtime system is restarted with the applied settings.

Symbol

Function

4.3 General functions of the WBM

Symbols in the toolbar

You can reach the following functions using the displays and symbols in the toolbar:

Time and date of the runtime system

Switching the WBM language

Opens the online help of the WBM.

Apply All saved data is applied to the Runtime system. Apply Applies saved configuration data to the Runtime system. The

Menu bar

Save

Counter which displays the remaining time of the current session. By clicking the time display, the counter of the session duration is

reset.

Log off: Ends the connection to the WBM

The menu bar shows the tabs of the WBM over which you reach the different pages of the WBM.

When you minimize your browser window, the display of the tabs disappears and the following symbol is displayed:

Shows the tab titles as navigation with a minimized browser window.

Confirm all your entries by clicking the "Save" button. Your settings are thus saved to the buffer.

The saved configuration data is not applied by the device yet by saving. This prevents inconsistent changes from being loaded to the Runtime system when the WBM page is changed.

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Configuration

Note IP address of the CP

By default, the DHCP client of the gateway is disabled. Make sure that the PC has a fixed IP address during the first connection setup and that it is located in the same subnet as the connected interfac

When using a DHCP server you do not need to specify the addressing on the PC to be connected. When it is connected to the network, the PC is assigned an address.

4.4 Calling the WBM

Application to the runtime system

All saved configuration data is applied to the Runtime system by clicking on the "Apply" symbol.

Incorrect entries in the configuration

The input boxes of the WBM are checked during input for faulty content and consistency. Notes are output for boxes with detected errors during saving. The settings can only be saved after the error has been corrected.

Grayed out fields cannot be edited.

4.4 Calling the WBM

4.4.1 Establishing a connection to the WBM

Requirements

You can establish a connection between a PC and the gateway via HTTPS:

You can establish a connection over the P2 interface of the gateway.

The condition for access to the gateway is that the PC is located in the same subnet and that the gateway can be reached.

First connection setup with preset IPv4 address

Use the following preset IPv4 address of the gateway during the first connection setup:

● P2 interface address: 192.168.0.55

e of the gateway.

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Configuration

Note Changing standard user data

For security reasons, must be changed when you log i

User data

Default values set in the factory

User name

admin

Password

admin

4.4 Calling the WBM

Connection to the Web server of the gateway

Follow the steps below to connect the PC to the Web server of the gateway:

1. Open the Web browser.

2. Enter the IP address of the gateway in the address line of the Web browser:

– https://<Address>

With HTTPS connections when you log in, a warning can appear that the Web page is not secure or that the certificate is not trustworthy. If you are sure that you have entered the correct address, ignore the message. If necessary add the connection to the exceptions (depending on the Web browser).

When the connection setup is successful, the logon window of the WBM opens.

4.4.2 Logging into the WBM

HTTPS connection

Only HTTPS connections are supported.

You can establish a connection between a PC and the WBM of the device.

Changing standard user data

Standard user data for the first login to the WBM is preassigned by the system:

An administrator can be set up with all available rights for operation of the WBM.

the factory set user data (user name, password) of the standard user

n the first time, see section User (Page 89).

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Configuration

Note Entering the wrong user name or password

After entering an incorrect user name or incorrect password three times a lockout time of a few minutes begin

4.4 Calling the WBM

Logging in

After establishing a connection between the PC and the device, the WBM opens with the logon page.

s. Only after the lockout time has expired can you try to log in again.

● User name

Enter the user name here.

●

Password

Enter the password here.

●

Logging in

Click the button to set up the connection to the WBM.

When you log in for the first time, you are prompted to change the default user data. You can find the rules for password assignment in the section User (Page 89).

Open Source Software and links to additional information

You can find the following links at the bottom of the login page:

●

Help

Opens the online help of the WBM.

●

Open Source Software

Opens the license terms document for the Open Source Software.

If necessary, you can save the document on your PC.

●

Siemens

Opens the Siemens AG homepage.

4.4.3 Log out

Manual logout using the button

You log out from the WBM by clicking on this button in the toolbar.

The connection to the device is terminated. All changes to the configuration data not saved previously are lost.

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Configuration

4.5 Start page

Automatic logout after timeout

After 600 seconds without saving or changing the WBM page, you are logged out and disconnected from the WBM. In this case, you must log in again.

In the WBM toolbar you can see the counter in the upper right-hand corner which displays the remaining time of the current session. By clicking the time display, the counter of the session duration is reset and the time of the session duration starts all over again.

4.5 Start page

4.5.1 Info

The page provides an overview of important status and configuration data of the device.

Status

Process interface

● Operating state

Operating state of the device

●

System runtime (dd-hh-mm-ss)

Time since the last startup (dd-hh-mm-ss)

●

Hardware product version

Hardware product version of the device

●

U-Boot version

Current U-Boot version for the firmware bootloader

●

Software version

Current firmware version of the device

●

Serial number

Serial number of the device

The parameter group displays the current address data of the P2 interface.

●

MAC address

●

IPv4

Address parameters, Default router

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Configuration

Address data preset in the factory

Process interface (P2)

Cloud interface (P1)

IPv4 address

192.168.0.55

192.168.121.55

IPv6 address

Subnet mask

255.255.255.0

4.6 Interface configuration

Cloud interface

The parameter group displays the current address data of the P1 interface.

●

MAC address

●

IPv4 / IPv6

Address parameters, Default router

DNS server

The parameter group shows the IPv4 addresses of up to two configured DNS servers.

4.6 Interface configuration

4.6.1 Ethernet

In this tab, you configure the address data of the Ethernet interfaces of the device.

Interface and factory default addresses

You configure the following interfaces on the web pages:

● Process interface (P2)

The interface (P2) is used for connecting to the subnet of the process stations.

● Cloud interface (P1)

The interface (P1) is used for connecting to the Internet or to a router over which the broker or the network with OPC UA clients can be reached.

The device supports IPv4 addresses, and for cloud access also IPv6 addresses.

The following address data is preset in the factory:

Table 4- 2 Preset address data

Host name CloudConnect7 CloudConnect7

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Configuration

Note No address check

The address bands are not checked automatically. Make sure that the subnets of the two interfaces are not the same.

Note No reachability when IP address data of the process interface is applied

The IP parameters of the process interface must match the settings of the IP address data of your PC.

Note DHCP server The devi

function, a DHCP server must be located in the subnet. The factory preset host name of the device is transferred to the DHCP server, see table

"Preset address data" above.

4.6 Interface configuration

Process interface / Cloud interface

You configure both interfaces separately.

●

Cloud interface in the same subnet

You can find this option under the parameter group of the Cloud interface.

Only enable the option if the connection to the cloud is in the same subnet as the process connection.

When the option is enabled, the Cloud interface is disabled and the corresponding input fields are locked.

The following parameters apply to both interfaces.

●

MAC address

MAC address of the interface

●

IPv4 / IPv6

Enable the respective IP address.

Alternatively, the Cloud interface supports IPv6 addresses.

● IP address

Shows the preset, last configured or the last IP address to be obtained from the DHCP server.

During the initial configuration: Assign the IP address of the respective interface or activate addressing by a DHCP server.

●

IP address via DHCP

Enable the option if you want to obtain the address data of the Cloud interface from a DHCP server.

When the option is enabled, the address data boxes are grayed out, and the values obtained from the DHCP server are displayed.

ce supports the DHCP client function at the cloud Cloud interface. To use the

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Configuration

4.7 Process access

● Subnet mask

Shows the preset, last configured or the last subnet mask to be obtained from the DHCP server.

During the initial configuration: Assign the subnet mask of the respective interface.

●

Default router

Shows the configured IP address of the router being used or the one last obtained with DHCP.

During the initial configuration: Assign the IP address of the router.

DNS server

● DNS server

You have the option of configuring the IP addresses of up to two DNS servers. The DNS servers can be located in the subnet that is connected to the Cloud interface.

With activated DHCP server, the obtained IP addresses of the DNS server are displayed.

If no DNS server is used, the address box is empty.

4.7 Process access

4.7.1 Station configuration

Add station

Here you create new process stations as communication partners.

●

Station name

To create a new station, enter a unique name in the input box.

●

Add

Creates a new station with the previously entered name in the configuration data of the gateway.

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Configuration

Note Accidental deletion

If you accidentally delete a station, you cannot undo the deletion.

4.7 Process access

Station configuration

● Select station

Select one of the created stations to configure its settings.

●

Protocol

Select the protocol type for the selected station:

– S7

– Modbus/TCP

After selecting the protocol, click on the tab "S7" or "Modbus/TCP". The configurable parameters for this station are displayed.

●

Delete station

By clicking the button, the selected station is deleted.

The gateway and the SIMATIC S7 station communicate over S7 connections. The connection type is TCP. The gateway is the active partner during connection setup.

Requirement:

● PUT/GET communication must be activated in the S7 CPU.

● The "Optimized access" option must be deactivated for data blocks of the CPU that are

accessed by the gateway.

You do not necessarily have to create a connection at the station end for the gateway to communicate with the S7 station. The CPU reserves connection resources to unspecified partners.

If you nevertheless want to create fixed connections, disable the "Active communication establishment" option in the connection properties. In this case, write down the TSAP of the connection assigned by STEP 7 for each station.

●

IP address

IPv4 address of the station interface (CPU or CP)

●

Controller family

Select the controller family of the connected station from the drop-down list:

– S7-1200/1500

– S7-300/400

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Configuration

4.7 Process access

● Standard TSAPs

When the option is enabled, the device uses the standard TSAPs for its local TSAP and the remote TSAP (S7 CPU). The standard settings for the remote TSAP are intended for the case that you have not configured a connection to the gateway in the STEP 7 project.

TSAPs are entered as hexadecimal values. For an S7-300/400, the TSAP references the rack, the slot and the type of CPU connection resource.

Examples for an S7-300 CPU:

– TSAP: 11.02

Rack 0, slot 2, connection resource 11

– TSAP: 03.02

Rack 0, slot 2, connection resource 03

Connection configured at one end (Local end point "One-way") Connection partner "unspecified"; the gateway as connection partner is not configured.

A connection resource for a connection configured at one end with unspecified partner has the value 03.

A connection resource for a connection configured at both ends with unspecified partner has the range of values 0x10...0xDF.

The following standard TSAP IDs are used:

– Local TSAP of the gateway: 01.01

– Remote TSAP of the controller family:

- S7-1200/1500: 02.01

- S7-300/400: 03.02

Disable the option if the remote TSAPs do not match the preset standard TSAPs. In this case, configure the TSAP that is assigned in the STEP 7 project.

●

Local TSAP

Range of values: 01.01 ... 7E.7E

We recommend using the default TSAP (01.01).

●

Remote TSAP

Enter the TSAP of the S7 connection assigned in STEP 7 at the station end if you have configured a connection with an unspecified partner in the CPU for the gateway.

●

Polling cycle (ms)

Cycle time in milliseconds in which the gateway reads the data from the station.

Range of values: 1...1 000 000 000

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4.7 Process access

Modbus/TCP

The gateway and the Modbus station communicate over Modbus/TCP connections. The gateway is the active partner during connection setup.

●

RTU number

RTU number of the Modbus slave

●

IP address

IPv4 address of the station interface

●

Port number

Port number of the station interface. Default: 502

●

Connection establishment attempts

Maximum number of attempts to establish a connection to a station.

After reaching the configured number of attempts, no additional connection attempts are made until the gateway is restarted.

Range of values: -1...32768

With "-1" the number of connection attempts is unlimited.

●

Polling interval (s)

Cycle time in seconds in which the gateway reads the data from the station.

Range of values: 1...65535

●

Reconnection delay (s)

Wait time (seconds) before a new connection attempt is made when the station cannot be reached or the connection is terminated.

A wait time makes sense, for example, to wait for short-term network faults to be removed or restart of a station.

Range of values: 0...100

●

Timeout (ms)

When the gateway does not receive a response from the station within the configured time (milliseconds), it repeats the station request.

Range of values: 100...65535

●

Max. number of faulty responses

Maximum number of outstanding or faulty station responses.

When reaching the maximum number, the gateway considers the station to be faulty and terminates the connection. When a connection is terminated, the gateway tries to reestablish the connection.

Range of values: 1...32

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4.8 OPC UA

● Retries

Maximum number of retries of the station query when the gateway does not receive any or a faulty response from the station.

Range of values: 0...10

●

Endianness

You use this option to specify the order in which the data of the station read word by word is saved.

– Big Endian

The higher byte 1 is saved first. (Modbus standard)

– Little Endian

The lower byte 0 is saved first.

Numbering of the two bytes of a word: | 1 | 0 |

4.8 OPC UA

4.8.1 OPC UA server

Requirements

CPU tags

The process data that the gateway makes available to the OPC UA services, originate in the connected S7-CPU. You will find the permitted memory areas of the CPU and the supported data types in the section Data points (Page 78).

A data point that is configured for OPC UA cannot be configured for transfer to a cloud broker.

The data point names assigned during data point configuration are included in the NodeID of an item as part of the identifier, see section Properties of the OPC UA server (Page 58).

Note: Where possible read tags in in data blocks block by block per DB to achieve a higher speed.

Security settings of connected clients

If you use the gateway as an OPC UA server and the communication partners (UA clients) you are using demand a certificate, you must create or import a self-signed server certificate.

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4.8 OPC UA

OPC UA server

● Host name (optional)

Optional input box for a host name that is to be used instead of the IP address.

If you do not want to use a host name, leave the box empty.

●

Application URI

Unique OPC UA server URI of the gateway with the following preset components:

Default:

– urn:Siemens:UA:CC7

The protocol part (urn) must not be changed; the other components can be configured.

●

Application name

Name of the OPC UA application of the gateway. The application name is required for display of the OPC UA server at the clients.

Default:

– SIMATIC Cloud Connect 7 OPC UA Server

●

Enable OPC UA server

Select the option to enable the OPC UA server function of the gateway.

●

Server address (IPv4) / (IPv6)

The two boxes for the IPv4 and the IPv6 address are displayed.

Server settings

● Port number

Here, you can change the port number of the server application. As default port number 4840 is used, the standard TCP port for the OPC UA binary protocol.

Permitted port numbers are as follows:

– 2000 .. 4499

– 4501 .. 34963

– 34965 .. 49151

●

Min. publishing interval (ms)

Here you set the minimum publishing interval that the server application of the gateway should support. Lower values requested by OPC UA clients are not taken into account.

The OPC UA server provides the clients with the UA data in the cycle of the publishing interval.

Range of values: 100 .. 65535 ms

Default setting: 500 ms

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4.8 OPC UA

● Min. sampling interval (ms)

Here you set the minimum sampling interval that the server application of the gateway should support. Lower values requested by OPC UA clients are not taken into account.

The OPC UA server of the gateway samples its internal process image with the sampling interval.

You specify reading from the station with the polling cycle, see section Station configuration (Page 48).

The default is suitable for most applications. A smaller sampling interval can be selected for reading fewer data points when the polling cycle is configured with a smaller value as well.

Range of values: 100 .. 5000 ms

Default setting: 500 ms

4.8.2 OPC UA Security

Security mechanisms

The gateway supports the following security profiles in accordance with the OPC UA specification:

●

SecurityPolicy

It determines the signing and encryption of the transferred data.

●

UserToken

Enables authentication using certificates.

●

Authentication of the communications partners with user name and password

See section Authentication (Page 58) for more on this.

For information on the OPC UA profiles of the OPC Foundation, see: Profiles (https://apps.opcfoundation.org/ProfileReporting)

Server security

First you specify with the first two options whether the OPC UA server of the gateway is to use a self-signed or an imported certificate.

●

Use self-signed certificate

Select this option when the gateway is to use a self-signed server certificate.

When the option is enabled, the corresponding GUI elements are shown:

– Created server certificate

Shows the name of the created certificate.

–

Opens the following dialog for configuring the certificate to be created:

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4.8 OPC UA

"Create new certificate"

In this dialog, you configure the parameters of the certificate you are going to create.

Note: Ensure the consistency with the configuration data of the OPC UA server in section OPC UA server (Page 52).

– Issuer

Issuer of the certificate. Default: Siemens

– Common name of subject (CN)

Application name of the gateway

– Signing Algorithm

Select the required hash algorithm and the encryption method.

– Validity period (days)

Enter the required period of validity.

– Subject alternate name (SAN)

As alternative name (SAN), you can specify the IP address, the host name, the URI or an e-mail address of the gateway.

The IP address or the host name and the URI must be configured.

URI of the gateway with the following default components: <Scheme (Protocol)>:<Authority (Server)>:<Path> Default: urn:Siemens:UA:CC7 The protocol part (urn) must not be changed; the other components can be configured.

●

Import server certificate and private key

Select this option if you want to import the server certificate and the key into the gateway as an alternative.

Requirement: The files are saved on your PC.

When the option is enabled, the corresponding GUI elements are shown:

– Import server certificate / Import private key

Shows the name of the selected certificate or key file in the file system.

– Browse

Opens the browser for browsing your PC file system.

– Imported server certificate / Imported private key

Shows the name and path of the last imported certificate or key file.

You can delete the respective file with the "Delete" symbol.

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4.8 OPC UA

● Security Policy

Select the required option in the table.

If you enable several options, then the client selects a suitable profile depending on the settings on the gateway.

The gateway supports the following options of the SecurityPolicy:

– None

– Basic128Rsa15

Signing and 128-bit encryption

– Basic256

Signing and 256-bit encryption

– Basic256Sha256 (SecurityPolicy [B])

Signing and 256-bit encryption (SHA-256)

The supplementary Conformance Units (Signing / Encryption) mean:

– Sign

Trusted clients

The gateway only allows communication with signed frames.

– Sign and encrypt

The gateway only allows communication with signed and encrypted frames.

● No certificate validation

With this option you disable the validation of the partner certificates.

When this option is enabled, the gateway generally permits communication even if the criteria of the certificate validation listed below are not met or when the client certificate is not included in the list of trusted clients.

When the option is disabled, the gateway validates the certificates of its partners, except if "SecurityPolicy - None" is selected.

For information on the check mechanisms, refer to the "Certificate validation" section below.

●

Import client certificate > Browse

You use this option to import the certificates of communication partners you trust.

Requirement for import of a certificate is that it is available in the PC file system.

Imported certificates are displayed in a table with their parameters.

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4.8 OPC UA

● Imported client certificates

The following parameters are displayed:

–

File

The name and path of the certificate file are displayed.

–

Issuer

Certificate authority that issued the certificate.

–

Certificate owner (CN)

Name of the device (or certificate authority) for which the certificate was issued.

–

Valid from

Start date of the period of validity of the certificate

–

Valid to

End date of the period of validity of the certificate

–

Finger print

Finger print (Digest) of the certification data

Certificate validation

The UA server of the gateway checks the certificates of its communication partners when the "No certificate validation" option is disabled, except if "SecurityPolicy - None" is selected.

If a partner certificate is invalid or is not trustworthy, communication is aborted. Communication is aborted in the following cases:

● The IP address of the communications partner is not identical to the IP address in its certificate.

● The use stored in the certificate (OPC UA client/server) differs from the function (OPC UA client/server) of the communications partner.

● The current time on the gateway is outside the period of validity of the partner certificate.

Requirements for connection setup

The following requirements must be met to set up a connection regardless of the certificate validation:

● The application URI sent by the requesting client must match the URI of the server application of the gateway.

● If the partner certificate is not trustworthy, the gateway must at least have stored a self- signed certificate of the partner.

● At least one authentication option is enabled (see below).

The gateway does not support partner certificates that were issued by multiple CAs (certificate chains).

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4.8 OPC UA

4.8.3 Authentication

Authentication

You use the two options to set the access authorization of the communication partners (clients) to the OPC UA data of the gateway.

●

Enable anonymous access

Clients can access the OPC UA data without authentication.

●

Authentication via user name and password

Clients can access the OPC UA data only with authentication.

Note: If none of the two options is enabled, no connection is established.

●

Add user

With enabled "Authentication via user name and password" option, you use this button to open the input boxes for a new user.

●

User name

User name of the communication partner

●

Password

Password of the communication partner

The user data must be configured for the respective client.

4.8.4 Properties of the OPC UA server

Identification and addressing

Addressing and identification features of the OPC UA server of the gateway:

● Application name, Application URI, Server URL, Port number of the application

See section OPC UA server (Page 52).

● Namespace of the gateway data points

– CC7

● NodeID - Identifier

The identifier of the NodeIDs of the data points of the "CC7" namespace is formed by the server application of the gateway from the name of the CPU and the data point name:

– <

CPU name

>.<

Data point name

Subscriptions

For the number of subscriptions supported by the gateway as OPC UA server for MonitredItems, see section Configuration limits - communication (Page 15).

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4.9 Cloud configuration

The data management of the subscriptions is stored in the RAM of the gateway.

If there is power down, all data and connection information of subscriptions is lost. After restarting the server, the client needs to re-establish the connection and set up the subscriptions again.

Deadband

When monitoring items in the "DataChangeFilter", the OPC UA server of the gateway uses the filter "AbsoluteDeadband".

4.9 Cloud configuration

4.9.1 Notes on structuring data

Data structures

Depending on the cloud provider, the data is structured differently for transfer to the broker:

● AWS / Azure / IBM Cloud

– Topics

A topic is the channel for the transfer of values of one or more data points.

You can create several topics.

No groups can be configured.

● MindConnect IoT Extension / Other Cloud

– Groups

A group can contain one or multiple data points.

You can create one or more groups.

– Topic

You can assign different topics to the groups.

MindConnect IoT Extension: In the default setting, the groups are assigned to the standard topic "s/us" of the MindConnect IoT Extension.

Structure of the topic names

Because the requirements on the format of the topics can be different depending on the receiver (broker, cloud), a topic name is made up of different parts.

Prefix and suffix generally apply to all topics.

Prefix and suffix are not relevant for groups.

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4.9 Cloud configuration

Structure of the topic names:

●

Prefix

The prefix of the name is an addressing and structuring string.

●

Topic name

– For the cloud provider MindConnect IoT Extension, the topic name "s/us" is a fixed

name.

– For all other cloud providers, the topic names can be configured.

By inserting multiple name components separated by forward slashes (/), you can create hierarchy levels for later evaluation by the subscriber.

●

Suffix

The suffix of the name is a format string.

Name assignment for topics and groups

Because the topic or group names are incorporated in the data management structure of the broker, later assignment and evaluation of the published data is facilitated if the names refer to the process data of the stations.

Example:

You would like to name a group or topic "Motor5" and assign the name "Station1" to the station. In this case, the following entry, for example, would be suitable for the topic name or group name:

Station1/Motor5

4.9.2 Profile

4.9.2.1 Profile

The settings that you configure for the cloud access of the gateway are stored in a profile. This will make it easier to use the device for different scenarios. Individual settings for different scenarios can thus be summarized in different profiles without the need to change the configuration every time you change the cloud.

Previously configured profiles are available in the "Profiles" drop-down list.

You select the connected cloud for each profile via the "Cloud provider" drop-down list. Selecting a cloud provider has the effect that certain parameters are preset, shown or hidden according to the different requirements of the respective cloud.

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Configuration

Note Name change of the assigned topic "s/us"

If you give a different name to the assigned topic in the configuration, please note that it may not be possible for the data to be evaluated by IoT Extension.

4.9 Cloud configuration

Add profile

If necessary, create a new profile in which you wish to save specific settings deviating from the preset profiles.

●

Profile name

Assign a profile name that summarizes your settings of the parameters for cloud access.

●

Add

Saves the name of the profile which can then be selected under "Profiles".

Profile selection

● Profile

Drop-down list with all created profiles.

Select the profile you are using.

By selecting a profile, you download all settings of this profile to the WBM. You can edit all settings as needed.

Settings

To use the selected profile for productive operation, select the "Enable profile" option at the bottom of the page.

● Cloud provider

Select your service provider.

Selecting the cloud provider also affects the parameters of the topic configuration; see also section Topic settings (Page 66).

By selecting the cloud provider, you determine whether topics or groups are configured for the data transmission:

– AWS / Azure / IBM Cloud

You can create several topics. A topic can contain multiple data points.

– MindConnect IoT Extension

You can create several groups. A group can contain multiple data points.

In IoT Extension, a group corresponds to the structure characteristic "Series".

In the default setting, all groups are assigned to the preset standard topic "s/us".

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4.9 Cloud configuration

– Other Cloud

You can create several groups. A group can contain multiple data points.

In the default setting, all groups are assigned to a topic. You can also assign different groups to different topics.

If you do not wish to use groups, create only a standard group and delete the entry "<GROUP_NAME>" in the user data editor.

●

Protocol

Select the desired protocol from the drop-down list.

●

Enable profile

Enables the currently selected profile for configuration and for use in productive operation.

When changing the profile, for example, if you want to change the cloud provider, you must first disable the previously enabled profile and save it. You are then able to enable a different profile.

You configure access of the device to the cloud in the additional tabs of this page.

4.9.2.2 MQTT configuration

MQTT configuration

● MQTT version

Select the protocol version you are using.

●

Broker address

Enter the IP address or the host name of the broker.

This information is provided by your service provider.

●

Broker port

Enter the port number name of the broker.

●

Client ID

Enter the client ID of the device that was assigned by your service provider or that you defined.

●

Keepalive interval (s)

Assign a value for monitoring the connection to the broker (seconds). If no further data on transmission to the broker is pending within the configured time after the data is sent, the device sends a keep-alive frame to the broker.

Permitted range: 0..65535

If you enter 0 (zero), the function is disabled.

Default setting: 10

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4.9 Cloud configuration

● Authentication

– Select the option if you want to use a connection setup with authentication.

Authentication takes place via user name and password.

– When the option is disabled, the connection is established anonymously.

●

User name

Enter the user name that was assigned by your service provider or that you defined.

●

Password

Enter the password assigned by your service provider or that you defined.

●

Clean session

– When the option is enabled, the session information is deleted when the connection is

terminated.

– When the option is disabled, the session information is retained when the connection

is terminated.

●

TLS

– When the option is enabled, the data is transferred using the secure TLS method.

The default port for encrypted transmission is 8883.

When the option is enabled, the parameter group for importing the broker certificate is displayed, see section Certificates (Page 64).

– When the option is disabled, the data is transferred unencrypted.

The default port for unencrypted transmission is 1883.

●

TLS version

From the drop-down list, select the TLS protocol version you wish to use that is also supported by the broker.

●

Last will / testament

– When the option is enabled, the functions "Last will" and "Testament" are released.

– When the option is disabled, the use of both functions is disabled.

The functions have the following meaning:

– Last will

If the connection between device and broker is terminated, a message can be sent to the subscribers.

As soon as the broker (server) detects that the connection to the device (client) was terminated, it sends a message (testament) to all subscribers that have registered for this topic on the broker.

– Testament

The testament is the content of the message that is sent to the subscribers registered on the broker for this topic when the connection is terminated.

The testament message is saved on the broker.

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4.9 Cloud configuration

● Last will topic

Enter the name of the topic that transfers the testament here.

You configure the additional parameters of the topic in the topic editor, see section Topic settings (Page 66).

●

Testament

Here you enter the text for the message to be transferred.

Max. number of characters: 65535

●

Retain- Last will

– If the option is enabled, the testament is sent with the "Retain" flag to the broker.

The testament is enabled for permanent storage in the broker.

If the connection between the device and the broker is terminated, the broker publishes the testament for each registered subscriber.

If a subscriber does not have a connection to the broker when the connection between device and broker is terminated, the "testament" for the subscriber is lost. When the connection to the broker is reestablished, the subscriber first receives the "testament" with the "Retain" flag.

For more information on the flag "Retain", refer to section Topic settings (Page 66).

– If the option is disabled, the testament is not stored permanently in the broker.

●

QoS - Last will

From the drop-down list, select the Quality of Service with which the Last will topic is transferred.

– QoS 0 / QoS 1 / QoS 2

For significance of the three options see section Topic settings (Page 66)

4.9.2.3 Certificates

Requirement

The parameter group is only displayed when the option "TLS" is enabled for transmission via MQTT, see section MQTT configuration (Page 62).

The requirement for importing certificates and keys is that the corresponding files are saved on your PC.

● The following types of certificate files are supported: *.pem, *.crt, *.cer, *.crl

● The following types of key files are supported: *.pem

MQTT server certificate manager

You use this parameter group to import the server certificate of the broker. The server certificate is provided by your service provider.

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4.9 Cloud configuration

Multiple server certificates can be imported for each cloud profile.

●

Import server certificate

The output field shows the name and path of the last imported certificate.

●

Browse

Click this button to download a certificate.

The browser for browsing your PC file system opens.

Select the required certificate and click "Open".

The name and path of the selected certificate are displayed in the output field.

After saving, the certificate details are displayed in a table.

Certificate details

The table shows the details of the saved certificates with the following parameters:

●

File

The name and path of the certificate file are displayed.

●

Issuer

Certificate authority that issued the certificate.

●

Certificate owner (CN)

Name of the device (or certificate authority) for which the certificate was issued.

●

Valid from

Start date of the period of validity of the certificate

●

Valid to

End date of the period of validity of the certificate

●

Finger print

Finger print (Digest) of the certification data

Delete

You use the Delete symbol to delete the respective certificate and key files from the certificate store.

MQTT client certificate manager

● Use MQTT client certificate

Enable this option if you want to use a client certificate for your device. You must create the certificate and the key yourself.

When the option is enabled, the required buttons are shown. They correspond to those of the server certificate, see above.

●

Import client certificate

Shows the name of the selected certificate file in the file system.

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4.9 Cloud configuration

● Imported client certificate

After saving, shows the name and path of the last imported certificate.

In case of a new import, an existing certificate is deleted and overwritten with the new certificate.

●

Import private key

Shows the name of the selected key file in the file system.

●

Imported private key

Shows the name and path of the last imported key.

●

Key password

Enter the password (optional) for the private key.

4.9.2.4 Device parameters

The tab is only relevant for the connection to MindConnect IoT Extension.

After the establishment of a connection between the device and MindConnect IoT Extension, the two parameters are used for the identification of your device and for the exchange of key material during the Onboarding process.

●

Device Name

Here you enter the name under which the device is registered for the Onboarding process.

The Device name is displayed in MindConnect IoT Extension at the following location: Device > Device profile > "NAME"

●

Device Type

The parameter is required in MindConnect IoT Extension to determine the device type. Enter the following string:

– c8y_MQTTDevice

The Device type is displayed in MindConnect IoT Extension at the following location: Device > Device profile > "Type"

You can find additional information on setting up the IoT Extension on the Internet at: Link: (https://support.industry.siemens.com/cs/ww/en/ps/25621)

4.9.3 Topic editor

4.9.3.1 Topic settings

In this tab, you create the topics or groups for transfer to the broker for the enabled profile. For configuration of the profile, refer to the section Profile (Page 60).

For structuring the data in topics or groups and configuring the topic names, refer to the section Notes on structuring data (Page 59).

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4.9 Cloud configuration

Add topic / Add group

● Topic

⇒ Validity: AWS / Azure / IBM Cloud

Enter the name of the topic that you want to create in the input box.

The name is the essential part for identifying a topic.

●

Group

⇒ Validity: MindConnect IoT Extension / Other Cloud

Enter the name of the group that you want to create in the input box.

The name is the essential part for identifying a group.

You can also change the names of topics or groups later in the table below.

●

Add

Click the "Add" button to create the topic/the group.

The new topic or the group is applied and displayed in the table.

Topic settings

In this parameter group, you add an optional name prefix and/or an optional name suffix for all topics. Changing the prefix or suffix has an effect on all topics.

●

Prefix

By using identical prefix components, you can group different topics in topic levels.

The prefix can also contain components that are necessary for the recipient of the topic as component of the topic name.

Configuration:

– Assign an optional prefix in front of the topic name.

– Optional forward slashes (/) can be included as separators in the prefix.

Example:

– You would like to add the prefix "evt" as identification for an event.

You can label data points for which the transfer of values is triggered by a threshold trigger, for example, as an event.

– You would like to add the prefix "Plant1" for plant 1 (Topic level).

Enter the following in the "Prefix" text box:

evt/Plant1/

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Configuration

4.9 Cloud configuration

● Suffix

By using identical suffix components, you can earmark different topics for the same recipient.

The suffix can also contain components that are necessary for the recipient.

Configuration:

– Assign an optional suffix after the topic name.

– Optional forward slashes (/) can be included as separators in the suffix.

Example:

– You want to add "fmt".

– You want to add "json".

Enter the following in the "Suffix" text box:

/fmt/json

Topic/group table

You can see the created topics or groups in the table and configure their basic properties.

●

Group

⇒ Validity: Mindsphere / Other Cloud

The names of the configured groups are displayed.

●

Topic

– ⇒ Validity: MindConnect IoT Extension / Other Cloud

The preset topic name "s/us" is inserted.

Use this default name when connecting to MindSphere via IoT Extension.

Adapt the name when connecting to another cloud according to the cloud provider's specifications.

– ⇒ Validity: AWS / Azure / IBM Cloud

The names of the configured topics are displayed.

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4.9 Cloud configuration

● Retain

From topics/groups with the "Retain" flag, the broker always saves the last message.

When a subscriber subscribes to a new topic or when the connection with a subscriber returns after being terminated, the broker sends the last message on each topic with Retain flag to the subscriber.

If the connection between the device and the broker is terminated, the broker publishes the last message of the topic for each registered subscriber. Triggers for publishing the last message can be:

– A planned connection termination with the "Clean session" option disabled

– A connection abort

– Network faults

You can set the Retain flag for all or for individual topics/groups (option enabled in single row).

The higher-level check box activates the function for all topics/groups of the table.

●

QoS

You use the "Quality of Service" parameter to specify the transfer performance of the messages for this topic:

– QoS 0

Transfer no more than once

The device sends the topic once to the broker. The device does not expect an acknowledgment. If the topic is not received by the broker, it is lost.

– QoS 1

Transfer at least once

The device sends the topic to the broker until it receives a PUBACK packet as acknowledgment from the broker.

– QoS 2

Transfer exactly once

The device sends the topic and waits until it receives the two-step acknowledgment from the broker as specified.

This version represents the highest level of quality, but it is also associated with the highest administrative burden for the client as well as the server.

When a connection is aborted, the data frames are buffered for QoS 1 and QoS 2. See also the section "Connection abort" below.

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Configuration

Note Delete

Note that if

4.9 Cloud configuration

● Change of Quality Code

With this parameter, you specify the transfer behavior of the messages for this topic:

– Enabled

Transfer on change of "Quality Code" (Good → Bad or Bad → Good)

As soon as the quality of a data point changes, the topic is transferred.

– Disabled

No transfer on change of "Quality Code"

●

User data format

You use this button to open the User data editor to specify the format of the transferred user data. For a description, see section User data format (Page 71).

●

Station assignment

Using the drop-down list, you assign the configured data points to a previously created topic or a group. For a description, see section Station assignment (Page 76).

You assign the transferred user data to the topics in the data point configuration.

Connection abort

●

Delete

By clicking the button, the topic of the respective row is deleted.

you accidentally delete a topic or a group, you cannot undo the deletion.

The behavior for a connection abort is as follows:

●

Connection abort between station and gateway

– During the connection abort

The gateway sends the topic with an empty string and the quality "Bad".

– Recurring connection

When the trigger condition is met, the gateway sends the topic with the current values and the quality "Good".

●

Connection abort between gateway and cloud

– During the connection abort - Cable at the gateway is pulled

The gateway is not sending data.

– During the connection abort - Cloud server cannot be reached

The gateway sends the last valid values once with the quality "Good".

– Recurring connection

For the behavior, see the section "Data buffering".

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4.9 Cloud configuration

Data buffering

In case of a connection abort between gateway and cloud server, the gateway saves the last 16 data frames of topics with "QoS" = 1 or 2 in its frame memory.

The frame memory has a capacity of 16. It operates chronologically; in other words, the oldest data is sent first (FIFO principle). As of the 17th data frame, the oldest data frame in the frame memory is overwritten.

Recurring cloud connection

Depending on the configured QoS value, the following behavior is in effect for a recurring connection between gateway and cloud server.

● QoS = 0

The gateway sends the current values once with the quality "Good".

● QoS = 1 / 2

The gateway sends the saved values once with the quality "Good".

Afterwards, the current values are sent after the trigger conditions are triggered.

4.9.3.2 User data format

User data editor

Using the "User data format" button, you open the editor for defining the user data format of the topics.

Because different cloud systems expect different user data formats, you must adapt the user data format to the requirements of the processing systems.

The UTF-8 character coding is used for formatting the user data.

●

Templates

You can select one of the existing templates using the "Templates" drop-down list of the open user data editor.

●

User data format

In the text box, you can change the user data format of a template or create a template according to your own requirements.

●

Use this user data format for all topics

When the option is enabled, the user data format displayed in the text box is applied for all groups or topics.

After saving, the checkmark for the option is removed from the topic editor.

If changes are made later in a group or topic, the changes are only applied to the relevant topic or group and not to all topics or groups when you press "Apply".

●

Apply

Applies the current settings in the topic editor.

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Configuration

4.9 Cloud configuration

Templates

For cloud systems that are explicitly supported, you will find templates that you can select and adapt to the requirements of the cloud system, if needed. You change the code in the "User data format" text box. If the code meets the requirements, do not change it.

The following templates are available:

● MindConnect IoT Extension

Template for the connection to:

– MindSphere (Siemens) / MindConnect IoT Extension

● JSON

Template for the connection to:

– AWS (Amazon) / IoT Core

– Azure (Microsoft) / IoT Hub

– IBM Cloud / Watson IoT Platform

● XML

Template for the connection to cloud services which expect the XML format for processing topics.

The "MindConnect IoT Extension" format is displayed in the default setting.

User data format - MindConnect IoT Extension

<DATAPOINTS_BEGIN SEPARATOR=\\n>200,<DATAPOINT_NAME>,<GROUP>,<DATAPOINT_VALUE>,

<ADDITIONAL_ATTRIBUTE>,<DATAPOINT_QUALITY_CODE>

<DATAPOINTS_END>

User data format - JSON

{

"Timestamp": "<PUBLISH_TIMESTAMP>",

<DATAPOINTS_BEGIN SEPARATOR=,\\n>"<DATAPOINT_NAME>":

{ "Value": "<DATAPOINT_VALUE>", "Station": "<STATION_NAME>",

"Type": "<DATAPOINT_TYPE>", "QualityCode": "<DATAPOINT_QUALITY_CODE>"

}<DATAPOINTS_END>

}

User data format - XML

<DATAPOINTS_BEGIN SEPARATOR=\\n><<DATAPOINT_NAME>><Value><DATAPOINT_VALUE></Value>

<DATAPOINTS_END>

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4.9 Cloud configuration

Code components

The code for formatting the user data can consist of the following components listed below.

The use of the components is optional. A sensible use depends on the further use of the transferred data.

If you do not only want to use the variables for the transfer of user data but want to add text, you can add the text in front of or after a variable.

The following description of the individual code components is structured as follows:

●

Code component

Syntax

Meaning

– Examples (not for all components)

Code components: Syntax and meaning

● Time stamp

<PUBLISH_TIMESTAMP>

Time of the publication

– Example for coding the time stamp with added text "sent at ":

Syntax: " Results in string: "

●

Start of data without or with semicolon as separator

<DATAPOINTS_BEGIN>

sent at <PUBLISH_TIMESTAMP>"

sent at 2019-04-20T13:58:16.192313634+00:00"

Start of a text block that is repeated for sending data. The text block can contain variables.

<DATAPOINTS_BEGIN>" must be listed before "<DATAPOINTS_END>" (end of the text block, see

below).

If you add text rather than variables for data points afterwards, the text is transferred.

– Example for the user data of a topic with four data points:

Syntax: " Results in: User data string "

<DATAPOINTS_BEGIN>A<DATAPOINTS_END>"

AAAA"

– Example for transferring data with separator:

Syntax: "

<DATAPOINTS_BEGIN><DATAPOINT_NAME>:<DATAPOINT_VALUE>;<DATAPOINTS_END>"

Results in: String with semicolon (;) as separator between the values

With this format, a semicolon is also inserted after the last sent item of data.

Alternative:

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Configuration

4.9 Cloud configuration

● Start of data with separator or special character

<DATAPOINTS_BEGIN SEPARATOR=,\n>

Start of a text block that is repeated for sending data with separator string. The text block can contain variables.

During the transfer of values or properties of data points, a separator string is added between each text block to ensure reliable evaluation of the data. In this version, the character string "comma + line break" is added after each text block but not after the last block.

SEPARATOR=" is the separator.

You declare the "

," is the separator.

\n" causes a line break.

Line breaks as well as the characters "

SEPARATOR=".

after "

To still be able to add "

,\n" separator string after the equal sign "=":

<" and ">" are not permitted in the separator string

<" and ">" to the user data, you can use the masking character "\"

together with one of the following placeholders:

\n" for a line break

\l" for "<"

\g" for ">"

\\" for "\"

●

200

Function code (MindConnect IoT Extension)

●

Data point

<DATAPOINT_NAME>

Name of the data point

●

Data point ID

Number":"<DATAPOINT_ID>

Automatically assigned ID of the data point

●

Group Name

<GROUP>

Group Name

●

Value

<DATAPOINT_VALUE>

Value of the data point

●

Attribute

<ADDITIONAL_ATTRIBUTE>

Attribute (MindConnect IoT Extension)

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4.9 Cloud configuration

● Quality Code

<DATAPOINT_QUALITY_CODE>

Quality of the data

– Good

– Bad

●

Station name

<STATION_NAME>

Station name

●

Station ID

<STATION_ID>

Automatically assigned ID of the station

●

Data type

<DATAPOINT_TYPE>

Data type of the data point output by the device

For the output of the data types, see section Data points (Page 78).

●

End of data points

<DATAPOINTS_END>

End of data transfer

Example of transferred user data

Below you will find an example for the transferred user data of a topic in JSON syntax. The topic contains the four data points "DP1", "DP2", "DP3" and "DP4".

{ "Timestamp":"2018-05-03-13:46:49", "DP1": { "Value":"false", "Device":"PLC_1", "Type":"BOOL" }, "DP2": { "Value":"1694332943", "Device":"PLC_1", "Type":"INT32" }, "DP3": { "Value":"0.496043966059748", "Device":"PLC_1", "Type":"DOUBLE_FLOAT" },

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Configuration

4.9 Cloud configuration

"DP4": { "Value":"Abcd99vE", "Device":"PLC_1", "Type":"STRING" } }

4.9.3.3 Station assignment

In this tab, you assign the configured data points to a previously created topic or a group. Each data point can be linked to exactly one topic/one group.

Assign data points

You can assign the data points to the configured topics or groups consecutively or stationby-station.

You specify the data point name, data type and other parameters in the data point configuration, see section Data points (Page 78).

●

Select station

Using the drop-down list, you can select the data points of one or all stations. By selecting a station, you can increase the clarity of the table below.

The table lists all data points that are configured in the stations selected above.

●

Data point

Configured name of the data point

●

Station

Configured station name

You specify the station name on the "Process access" page, see section Station configuration (Page 48).

●

Data type

Configured data type of the data point

●

Topic

⇒ Validity: AWS / Azure / Bluemix / Other Cloud

When entering the name, a drop-down list with topics is shown that starts with the letters you have entered. Click on an entry to assign the data point.

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4.9 Cloud configuration

● Group

⇒ Validity: MindConnect IoT Extension / Other Cloud

When entering the name, a drop-down list with groups is shown that starts with the letters you have entered. Click on an entry to assign the data point.

●

Attribute

⇒ Validity: MindConnect IoT Extension / Other Cloud

The attribute is applied to the user data as <ADDITIONAL_ATTRIBUTE>; see section User data format (Page 71).

Enter the attribute according to the requirements of the cloud provider:

– Other Cloud: Optional

If no attribute is demanded or required, leave the box empty.

– IoT Extension: Mandatory

With a connection to IoT Extension, the attribute is interpreted as a label of the physical units of the respective data point. The standard units are:

– C = Temperature in degrees Celsius

– P = Pressure in bars

– mm = Length in millimeters

– km/h = Speed in km/h

– m/s2 = Acceleration in m/s

– % = Size in percent

– %RH = Relative humidity in percent

– A = Current in amperes

– V = Voltage in volts

– W = Power in watts

– kWh = Energy in kilowatt hours

– VAh = Apparent energy in volt ampere hours

– dBm = Transmit power in decibel-milliwatts (logarithmic ratio)

– lux = Illuminance in lux (lm/m

)

Other compound units of the SI system can also be specified, for example:

m/h, m/s, m, km, mW, kW, mWh, mA, VArh

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Configuration

Note Requirements for the transfer (Cloud)

The following conditions must be met to transfer a value:

•

4.10 Data points

4.10.1 Notes on transfer time

The data point is assigned to a topic in the configuration. At least one trigger condition is met.

Time of the data transfer and quantity of the transmitted data

Triggering the data transfer is different for the two target systems:

●

Cloud

The transfer time is controlled via trigger, refer to the section Data points (Page 78).

You specify the time when the values of data points are transferred to the broker for each data point with the "Trigger".

The following data are transferred together to the broker as soon as the value of a data point is pending for transfer:

– AWS / Azure / IBM Cloud

Transfer values of all data points of a topic

– MindConnect IoT Extension / Other Cloud

Transfer values of all data points of a group

●

OPC UA

The OPC UA server executes the read and write jobs of the OPC UA clients.

No additional settings can be made for the server.

4.10.2 Data points

Data point configuration

In this tab, you specify the data points as data sources for each station for transfer.

In addition, you can export the tag information of the CPU via a source file from STEP 7 for S7 stations and import it as basis for the data point configuration, see Import tags (Page 84).

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Configuration

Note Deletion of configured data points during import

Note that previously configured data points are deleted upon import of tags from STEP files.

After importing tags from STEP

4.10 Data points

7 files, you can manually configure more data points.

● Select station

Select a station from the drop-down list whose data points you want to configure for the transfer. The drop-down list contains all stations that were configured under "Process access", see section Station configuration (Page 48).

If data points are already configured for a station, these are displayed in the table below when selecting the station. You can change the data later.

●

Add data point

Creates the row for a new data point in the table.

Alternative:

●

Duplicate row

You can also create new data points by copying existing data points.

To do so, select one or more data points using the check boxes (see below) and click the "Duplicate row" button.

Then adjust the properties of the copied data points.

●

Multi-editing

With this button, you open the "Data point configuration" with which you can set parameters for previously selected or all data points in one editing step. This applies to the following parameters:

– Target

– Access

– Trigger

For the meaning of the parameters, see below.

Multi-editing is practical especially when you are importing large volumes of data points which are to receive the same values for the specified parameters.

After configuring the specified parameters in the "Data point configuration" dialog, you can assign them to the data points:

– Set for selected

Assigns the parameter values to the data points that you selected using the selection column (left) of the data point table before opening the dialog.

– Set for all

Assigns the parameter values to all data points of the data point table.

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Configuration

Note Delete

You cannot undo deleting a data point.

4.10 Data points

Selection of data points using the selection column

Using the check boxes in the selection column on the left in the table, you can select individual data points for copying, deleting and multi-editing.

You use the top check box in the table header to select all data points of the table.

Deleting data points

You can delete individual data points using the "Delete" symbol in each row of the data point table.

You can delete multiple data points by selecting them using the selection column (left) and then clicking on the "Delete" button below the table.

Data point table

Configure the parameters of the data points in the table and save it. You can correct or delete incorrect data points in the table.

The parameters are different depending on the transfer protocol of the data points. The list below contains all parameters for S7 and Modbus/TCP.

●

Selection column

Via the check boxes in the left-hand column, you can select all, individual or multiple rows to copy them.

●

Target

Select the target system you wish to use for the selected data point.

–

No target system is assigned to the data point. Data is not being read or transferred.

– Cloud

– OPC UA

●

Data point name

Assign a unique name to the data point.

●

Data type

Configured data point of the data area of the data point to be read

You can find the data types supported in the table of data types below.

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4.10 Data points

● Operand area

The following operand areas of the CPU are available for S7:

– I - Input

– M - Memory

– Q - Output

– DB - Data block

The following areas (tables) of the station memory area are available for selection with Modbus/TCP:

– Discretes Input

– Coil

– Input Register

– Holding Register

●

DB number

Number of the S7 CPU DB

Make sure that the number matches the actually configured number of the data block.

●

Offset / Address

Address of the operand depending on the data area

Enter the value as a decimal number:

– Address (input, memory, output, DB)

Information for Bool operands in <Byte.bit>. E.g.: 0.6 Information for operands ≥ byte in <bytes>. E.g.: 3

– Offset of the operand for the start address of the operand area (coil, tab)

Information in <bytes>. E.g.: 12

●

Length

Number of characters for the "String" data type (1 .. 254)

●

Access

The option specifies access of the communication partners to the gateway data.

–

Read

Only read access is permitted.

–

Write

Read and write access is permitted (OPC UA only).

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Configuration

Permitted trigger combinations

Trigger 1

Trigger 2

Time

4.10 Data points

Trigger

You use the triggers to specify the conditions that initiate the transfer of the value saved in the device to the broker.

Up to two triggers can be selected per data point.

●

Time trigger

– Cyclic

Cyclic transmission - configurable cycle

– Time

Once daily / Once weekly / Once monthly

●

Threshold value trigger

– Deviation: Transmission in case of deviation from the last stored value

– Threshold LOW: Transmission if value is below the threshold

– Threshold HIGH: Transmission if value is above the threshold

– Range within: Transmission when the value enters a value range

– Range outside: Transmission when the value leaves a value range

You can combine a time-dependent trigger and a value-dependent trigger for each data point. When configuring two types of triggers, both have the same validity.

When configuring two types of triggers, both have the same validity. As soon as one of the two trigger conditions is met, the transfer is triggered.

Not all trigger types can be combined for a tag in practice. The following trigger combinations are supported:

Cyclic Threshold value trigger

Threshold value trigger Cyclic

Additional restrictions can result from the trigger types supported by the individual data types; see "Data types" table below.

Trigger 1 / Trigger 2

The following types of triggers are available:

● Time trigger

For time triggers, select the value of the cycle and the respective unit of time from the drop-down list.

– Cyclic

The value of the data point is transferred cyclically. Ranges of values: 1 .. 99 999 999 ms 1 .. 99 999 s

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4.10 Data points

1 .. 999 min 1 .. 27 h

– Once daily

The value is transferred once a day at the configured time.

– Once weekly

The value is transferred once a week.

– Once monthly

The value is transferred once a month.

If a month has fewer days than the day specified in the configuration, the value of the data point is transferred at the end of the month.

● Threshold value trigger

Select the type using the drop-down list and add the respective values.

The value ranges of the threshold triggers depend on the data type of the data point.

– Deviation

Data types

The value is transferred as soon as it changes compared to the value that was read in before.

– Area outside

The value is transferred as soon as it is outside the configured area.

– Area within

The value is transferred as soon as it is inside the configured area.

– Threshold HIGH

The value is transferred as soon as it exceeds the configured value.

– Threshold LOW

The value is transferred as soon as it drops below the configured value.

Note: The range of values of the station data point is converted to the range of values of the device data point.

Not every data type supports all trigger types. The table lists the configurable data types and specifies the supported trigger types for each data type.

The tag <DATAPOINT_TYPE> specifies the data type of the transferred values when publishing the user data to the cloud, see section User data format (Page 71).

●

x : Supported

●

- : Not supported

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Configuration

Data types of the protocols

Cloud

TYPE>

Operand area

Supported triggers

type (bits)

Modbus

OPC

Time trigger

Threshold

- *

x x

BYTE (8)

- *

Byte

UINT8

I, Q, M, DB

- *

x x

SINT (8) ***

- *

SByte

INT8

I, Q, M, DB

USINT (8) ***

UInt8

Byte

UINT8

I, Q, M, DB

INT (16)

- *

Int16

INT16

I, Q, M, DB

UINT (16) ***

UInt16

UINT16

I, Q, M, DB

WORD (16)

UInt16

UINT16

I, Q, M, DB

REAL (32)

Float

SINGLE_FLOAT

I, Q, M, DB

DWORD (32)

UInt32

UINT32

I, Q, M, DB

DINT (32)

- *

Int32

INT32

I, Q, M, DB

UDINT (32) ***

UInt32

UINT32

I, Q, M, DB

LREAL (64) ***

- *

Double

DOUBLE_FLOAT

I, Q, M, DB

LWORD (64) **

- *

UInt64

UINT64

I, Q, M, DB

LINT (64) **

- *

Int64

INT64

I, Q, M, DB

ULINT (64) **

- *

UInt64

UINT64

I, Q, M, DB

STRING (2..256 bytes)

String

S7_STRING

DB x -

****

x -

***

*****

x -

* ** *** **** ***** The accuracy of the DTL (1 ns, 10-9 seconds) is restricted to 100 ns (10-7 seconds) for OPC DateTime.

4.10 Data points

<DATAPOINT_

BOOL (1)

CHAR (8)

DATE_AND_TIME (64)

DTL (96)

Boolean BOOL I, Q, M, DB

Byte CHAR I, Q, M, DB

DateTime S7_DT DB

DateTime

S7_DTL DB

(only value 0)

See below, section "Modbus data types".

S7-1500 only

S7-1200/1500 only

S7-300/400/1500 only

Modbus data types

As standard, Modbus uses the data types "Bool" and "Word".

● The data type "Bool" is transferred from the application as "UInt8".

● The extended data types are transferred as 2 or 4 consecutive 16-bit registers.

When using other data types in the device and in downstream applications, you must map and interpret the data read from the station in a user-specific manner.

4.10.3 Import tags

In addition to manual data point configuration, you can import the tag information using a file exported from STEP 7 for S7 stations.

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4.10 Data points

Note that all data points manually configured beforehand are deleted during import of tag information from STEP 7 files.

After importing tags from STEP 7 files, you can manually configure more data points.

Requirement: Creating CPU tags in STEP 7

As a prerequisite for using the function, you need to have created tags or symbols in the respective CPU in your STEP 7 project.

● STEP 7 Professional (TIA Portal)

– DB tags

The "Optimized block access" option must be disabled in DBs.

– PLC tags

● STEP 7 V5.6

– DB tags

– Symbols

Export from STEP 7

In the STEP 7 project, export the tags into an export file.

Recommendation: Give the export files meaningful names from which the station type, station name and possibly the DB number can be derived.

The following file formats are supported: *.db, *.awl, *.xlsx, *.sdf, *.xml, *.dif, *.asc

● STEP 7 Professional (TIA Portal)

DB tags

– Select the DB.

– Click on the shortcut menu "Generate source from blocks > Selected blocks only".

– Select the file type "DB files (*.db)" and click "Save".

PLC tags

– Open the tag table

– Click on the "Export" icon above the tag table.

– Select the relevant options in the following dialog.

– Save the PLC tags in one of the following file formats: *.xlsx, *.xml, *.sdf

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4.10 Data points

● STEP 7 V5.6

DB tags

– In SIMATIC Manager, open the DB in the block directory of the CPU.

– Click on "File > Generate source" in the block editor.

– In the "New" dialog, select the sources of the CPU, assign a name for the file under

"Object name" and click on OK.

– In the next dialog "Generate source", move the DB(s) to the "Blocks selected" box

using the arrow symbol.

Select the "Absolute" option and click on OK.

– Close the block window.

– In SIMATIC Manager, in the source directory of the CPU, select the newly generated

source and click on the shortcut menu "Export source".

– In the "Export source" dialog, select the desired target directory in the PC file system.

– Select the file type "STL source (*.awl)" and click "Save".

Symbols

Import tags

– Select the S7 program of the CPU in SIMATIC Manager.

– Open the symbol table

– Click on the menu "Table > Export".

– Save the symbol table in one of the following file formats: *.SDF, *.ASC, *.DIF

1. Save the file exported from STEP 7 with the tag information in the file system of your PC.

2. Open the WBM tab "Data points > Import PLC configuration".

3. Click "Browse", select the desired STEP 7 file and click on "Open".

The file name is displayed in the WBM.

4. If you do not want to use the file, click "Delete source file".

Both the file and tags already imported in the table are deleted (see below) are deleted.

5. If you want to use the file, click "Import source file".

The import process is shown by a progress bar.

If you want to import multiple files, repeat the operation "Browse" > "Import source file".

After a source file is imported from a DB, the following columns are first shown in a table:

– Data block (DB name)

– Operand area (DB)

– DB number

Only this box can be edited.

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Configuration

4.11 Maintenance

6. Assign the DB number according to the STEP 7 configuration and click "Save".

This does not yet apply the data to the data point list of the application.

After the DB number is assigned or a source file is imported from a tag list, the tags are displayed in a table with the following columns.

– Selection column

Used to select data points for partial transfer into the application.

– Delete

Deletes the respective tag from the table.

– Data point name

The data point name is formed from the following two components and applied later:

- DB tag: <DB number>.<tag name>

- PLC tag/symbol: <Operand range>.<symbol name>

– Data type, operand area, DB number, offset, length

The relevant data pertaining to the contents of the source file is displayed.

7. Transfer the tags into the application.

– If you want to apply all tags of the table, click "Import all".

– If you only want to use some of the imported tags, select these tags (left-hand column)

and click on "Import selection".

The applied tags are deleted from the table.

8. Then go to the WBM tab "Data points", check the applied tags and click "Save".

You can continue editing the applied tags in the "Data points" tab.

4.11 Maintenance

4.11.1 System time

In this tab, you set the time or configure the time-of-day synchronization of the gateway.

Time-of-day format and time stamps

The device gives the time as UTC. The time of day includes the time difference since

01.01.1970 in milliseconds.

The time stamps of the transferred data are transferred in UTC format (48 bits).

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Configuration

Note Time-of-day synchronization

For applications that require time

e time of day of the device. If you do not synchronize the time of day regularly, there may be deviations of several seconds each day between the device and its communicati

4.11 Maintenance

Synchronization method

You can synchronize the time of day manually or via NTP (Network Time Protocol).

-of-day synchronization, you should synchronize th

on partners.

System time

● Using NTP server

Enable the option if the time of day is to be synchronized via NTP.

When this option is disabled, you can set the time of day of the device manually.

●

NTP server address

Enter the address of the NTP server as IPv4 address or as DNS name.

●

Synchronization cycle (s)

Specifies the cycle of the time-of-day queries to the NTP server.

Range of values in seconds: 16..1024

●

Time Zone

In NTP mode, it is generally UTC (Universal Time Coordinated) that is transferred. This corresponds to GMT (Greenwich Mean Time).

The time offset from UTC can be set by configuring the local time zone.

●

NTP (secure)

The secure method NTP (secure) uses authentication with symmetrical keys.

Parameters for the NTP (secure) method

● Key ID

Key ID of the NTP server. Numeric value.

Range of values: 1..65534

●

Hash algorithm

Select alternatively:

– SHA-1

– MD5

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Configuration

Note Changing the password

For security reasons, the user name and password preset at the factory must be changed at the first login.

4.11 Maintenance

● Key

Enter the NTP key in the selected format.

Permitted key length:

– ASCII: 5..20

– Hexadecimal: 10-40

●

Key format

Specify the format in which you enter the key:

– ASCII

– Hexadecimal

Manual setting of date and time

The input boxes for date and time are only active with disabled time-of-day synchronization via NTP.

●

Time

Enter the current time of day manually in the specified format:

●

4.11.2 User

For the preset standard user data for initial login, see section Logging into the WBM (Page 43).

– hh:mm:ss

Hour (0...23), minute and second can also be entered as single digits.

Date

Enter the current date manually in the specified format:

– DD/MM/YYYY

Month and day can also be entered as single digits.

Example: March is accepted as "03" or as "3".

Save

When you click this button, the application saves the entered settings.

Apply

The device only applies the saved time data when you click "Apply".

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Configuration

Note Loss of changed user data

Note changed or newly assigned user names and passwords.

When you change the user data of the admi to the WBM.

Note Applying changed user data

Changed user data is applied immediately after it has been saved.

After the user data is changed, it must be used for the next login.

4.11 Maintenance

nistrator and lose it, you no longer have access

Passwort rules

Newly assigned user passwords must meet the following requirements:

● Minimum length: 8 characters

● At least 1 lowercase letter

● At least 1 uppercase letter

● At least 1 number

● At least one of the following special characters (ASCII 0x21..0x7E):

! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~

Roles and rights

Edit user

An administrator can be set up.

The administrator has the rights to change all data that is accessible in the WBM.

● Action

Select the required action:

– Change user name

– Change password

– Change user name and password

●

Current password

Enter the current password before you make any changes.

●

New user name

Enter a new user name to change it.

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Configuration

Note Digitally signed and encrypted firmware prevents manipulation by third parties

To be able to check the authenticity of the firmware, the firmware is digi Siemens. This allows manipulation by third parties to be detected and prevented.

The en

4.11 Maintenance

● Repeat user name

To confirm a new user name, repeat the user name entered above.

●

New password

Enter a new password to change the password.

●

Repeat password

Repeat the new password.

4.11.3 Firmware

You can find the current firmware version of the device on the WBM page Info (Page 45).

If a new firmware version is available, you can download the firmware file from the PC to the gateway via this WBM page.

For new firmware files for the gateway, refer to the section Loading new firmware (Page 95).

Firmware update

tally signed by

cryption of the firmware is intended to prevent re-engineering.

● Firmware file

After selecting a firmware file stored on the PC using the "Search" button, the file name is displayed here.

●

Searches the file system of the PC for a firmware file saved there that is intended to be loaded on the gateway.

Firmware files have the file format *.upd.

After selecting the file, the name of the selected file is displayed but the firmware is not used yet.

●

Load on device

By clicking the button, you download the selected firmware file to the gateway.

The ongoing update process is indicated in the WBM by a progress bar.

After the update is complete, the gateway automatically reboots. After the restart you will need to log in again.

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Configuration

Note Firmware update

Note that updating the firmware can take a while.

• No input during activation

• No switch off of the gateway

occurrence of inconsistent statuses.

Note No saving of certificates

The following data is not saved when saving a configuration fi

•

4.11 Maintenance

During activation until the gateway restarts, the WBM is not locked. Do not change the WBM page during this time.

Do not switch off the gateway during activation of the firmware. This avoids the

4.11.4 Saving

In this tab, you can save the configuration data of the gateway in a configuration file and load it again.

Configuration files have the name "<date and time>.dump.sql".

You cannot edit configuration files because they are encrypted. If encrypted parts are changed, the configuration file is rejected when you try to download it.

Saving the configuration file on the PC is useful in the following cases:

● You want to use the configuration data of the gateway for another gateway.

● You want to use multiple gateways with similar configuration data.

● In case of replacement

You download the configuration data from the PC to another gateway and reconfigure only the parameters that are different, if necessary.

Certificates WBM user settings

Configuration backup

le:

● Configuration file

After a configuration file saved on the PC is selected with the "Browse" button, the file

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name is displayed here.

●

Browse

Searches the file system of the PC for a configuration file saved there that is intended to be loaded on the gateway.

Configuration

Note

Once the downl file is used by the gateway. The cloud application of the gateway is restarted.

4.11 Maintenance

● Export configuration

Saves the configuration currently used by the gateway to a configuration file on the PC.

●

Load on device

Downloads the configuration file shown under "File" to the gateway.

oad is complete, the configuration data of the downloaded configuration

4.11.5 Communication / Restart

Process communication / Restart

On this page, you can stop or start the communication between gateway and process stations and initiate a restart of the application.

With each command, a message is output by the system and the displayed status is updated.

Process communication

The current status is displayed under "Status".

●

Stop

Click the button to stop communication.

The labeling of the button changes.

●

Start

Click the button to restart communication.

Restart

● Restart

Click the button to initiate a restart of the application.

4.11.6 Diagnostics

Diagnostic messages

This page contains diagnostics messages for internal events and errors.

●

Update

Here you set whether and in which cycle the WBM updates the displayed diagnostic messages.

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Configuration

4.11 Maintenance

The entries contain a time stamp and the message text.

● Notes are displayed in blue.

● Warnings are displayed in red.

Examples of events:

- Startup

- Establishment/termination of a communications connection

- Change to the configuration

4.11.7 Logging

Use of logging

Using the logging functions, you can export important events to a file.

●

Export

Export log files

Click the button to export the respective file to the PC file system.

The exported files are displayed in the footer of the WBM. You can open the files from the PC file system or directly from the WBM tab.

● Trace

During runtime, information about important events is automatically saved. This data contains information on the configuration, active procedures and error situations.

You should only use logging of events if you have problems with the application that you cannot solve yourself.

Using the "Export" button, you can save this data in a logging file (*.enc).

The information in this unreadable file is encrypted and can only be read by Siemens Industry Online Support. Send the log file back to your contact at Siemens Industry Online Support.

●

Security messages

You can save the security events here. Possible file formats: *.log, *.csv

●

Diagnostic messages

Here you can save the diagnostic messages of the device in a compressed archive "diagnostic.tqz".

Unzip the *.tqz archive and the following extracted *.tar archive. You can find the diagnostic messages in a *.log file.

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5.1 Diagnostics options

The following diagnostics options are available:

LEDs of the module

For information on the LED displays, refer to the section LEDs (Page 21).

Web Based Management (WBM)

To do this, you need to connect your PC to the gateway.

On the following WBM pages you obtain information on the status of the gateway:

● You will find general information on the status of the gateway on the start page of the WBM, compare to section Info (Page 45).

● You will find the diagnostics messages on the diagnostics page of the WBM, refer to the section Diagnostics (Page 93).

When important events occur, the gateway writes diagnostic messages to the diagnostics buffer.

5.2 Loading new firmware

You can find the current firmware version of the device on the WBM page Info (Page 45).

New firmware versions

If a new firmware version is available for the module, you will find this on the Internet pages of Siemens Industry Online Support: Link: (https://support.industry.siemens.com/cs/ww/en/ps/25621/dl)

Save the firmware file on the configuration PC.

Downloading new firmware files

You load a new firmware file from the configuration PC on the gateway via the WBM.

You will find the description in the section Firmware (Page 91).

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Diagnostics and maintenance

Note Data is deleted

With the resetting to factory settings, all configuration data and process data on the gateway is deleted.

With a reset to factory settings, the address data.

5.3 Reset

Functions and execution

The following functions are available for resetting:

●

Restart

The configuration data is retained.

The gateway performs a restart.

●

Reset to factory settings

The configuration data is deleted.

The gateway performs a restart.

You can execute the functions with the "SET" button.

To operate the button, refer to the section The button "SET" (Page 23).

Restart

The gateway ends productive operation, restarts automatically and takes up productive operation again with the existing configuration data.

Resetting to factory settings: Effect

● Deleted data

The following data is deleted by resetting to factory settings:

– Addresses of the LAN interfaces configured by the user

They are reset to the factory default address data.

– All other configuration data of the gateway

gateway can only be reached over the factory default

– All process data in the memory of the gateway

– User names and passwords

– All imported certificates

– Diagnostics buffer

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Diagnostics and maintenance

WARNING

Before replacement

5.4 Device replacement in the event of a fault

● Data not deleted

The following data is not deleted by resetting to factory settings:

– MAC address of the LAN interfaces

Restart after reset

● The gateway starts up without configuration data.

● The DHCP client function is disabled.

The gateway can only be reached over the default address data, refer to the section Establishing a connection to the WBM (Page 42).

5.4 Device replacement in the event of a fault

Device defective

If a fault develops, please send the device to your SIEMENS service center for repair. Repairs on-site are not possible.

Replacing the gateway

• Before replacing the gateway, read the safety notices in the section Important notes on using the device (Page 25).

• While working on the device make sure that the power supply is turned off.

When replacing the gateway follow the steps described in the section Installation (Page 28).

Transfer of the configuration data to the new gateway

If you have previously saved the configuration data of the gateway in a configuration file on a PC, you can download the data to the device after connecting the PC to the gateway, refer to the section Saving (Page 92).

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Diagnostics and maintenance

5.4 Device replacement in the event of a fault

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Technical specifications

6.1 Technical specifications - CloudConnect 712

Technical specifications - CloudConnect 712

Article number

Attachment to Industrial Ethernet

Power supply

tection

Further electrical data

Current consumption (typical)

180 mA

Effective power loss (typical)

4.3 W

IEC / EN 60664-1

Permitted ambient conditions

stalled horizontally

stalled vertically

During storage

-40 ℃ to +70 ℃

During transportation

-40 ℃ to +70 ℃

Relative humidity

During operation

≤ 60 % at 25 °C, no condensation

Corrosive gas test according to ISA-S71.04 severity level G1, G2, G3

6GK1411-1AC00

Quantity 2 x gigabit interface (P1, P2) Design RJ-45 jack, galvanically isolated Properties

• Standard

• Transmission speeds

• Other properties

Design Socket with terminal block including 5-pin terminal block with reverse polarity pro-

• 1000BASE-T, IEEE 802.3ab

• 10 / 100 / 1000 Mbps

• Half duplex/full duplex, autocrossover, autonegotiation

Power supply

Cable cross-section connectable to the terminal block

Overvoltage category according to

Ambient temperature During operation with the rack in-

Permitted contaminant concentration

• Type of voltage

• Permitted low limit

• Permitted high limit

• Without wire end ferrule

• With wire end ferrule

• With TWIN wire end ferrule

Category II

During operation with the rack in-

• SO

• H

• 24 VDC

• 10.8 V

• 28.8 V

• 0.2 .. 2.5 mm

• 0.25 .. 1.5 mm

• 0.5 .. 1.0 mm

0 °C ... +60 °C

0 °C ... +40 °C

• < 0.5 ppm

• < 0.1 ppm

/ AWG 24 .. 13

/ AWG 24 .. 16

/ AWG 20 .. 17

SIMATIC CC712 Operating Instructions, 05/2019, C79000-G8976-C503-01

Technical specifications

Technical specifications - CloudConnect 712

Design, dimensions and weight

Module format

Compact module S7-1500

Degree of protection

IP20

Weight

300 g

Dimensions (W x H x D)

35 x 147 x 127 mm

View of the RJ-45 jack

Signal name

Assignment

D1+

D1+ bidirectional

D1-

D1- bidirectional

D2+

D2+ bidirectional

D3+

D3+ bidirectional

D3-

D3- bidirectional

D2-

D2- bidirectional

D4+

D4+ bidirectional

D4-

D4- bidirectional

6.2 Pinout of the Ethernet interfaces

Mounting type

• 35 mm DIN rail mounting

• S7-300 standard rail mounting

• S7-1500 standard rail mounting

• Wall mounting

For further data, refer to section Application and functions (Page 11).

6.2 Pinout of the Ethernet interfaces

Pinout of the gigabit Ethernet interfaces

The table below shows the pin assignment of the two interfaces P1 and P2.

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Siemens SIMATIC CC712 Operating Instructions Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

SIMATIC CC712

Legal information

Preface

Table of contents

1.1 Application

1.2 Functions and communication services

1.3 Configuration examples

1.4 Other services and properties

1.5 Configuration limits - communication

1.6 Range of functions of the WBM

1.7 Scope of delivery and requirements

2.1 LEDs

2.2 Connections

2.2.1 Ethernet interfaces (P1, P2)

2.3 The button "SET"

2.2.2 External power supply

2.4 CLP Slot

3.1 Important notes on using the device

3.1.1 Notes on use in hazardous areas

3.1.2 Notes on use in hazardous areas according to ATEX / IECEx

3.1.3 General notices on use in hazardous areas according to UL HazLoc / FM

3.2 Installation

3.3 Connecting

3.4 Commissioning

3.4.1 Commissioning

3.4.2 Using a CLP

4.1 Security recommendations

4.2 Overview of the WBM pages

4.3 General functions of the WBM

4.4 Calling the WBM

4.4.1 Establishing a connection to the WBM

4.4.2 Logging into the WBM

4.4.3 Log out

4.5 Start page

4.5.1 Info

4.6 Interface configuration

4.6.1 Ethernet

4.7 Process access

4.7.1 Station configuration

4.8 OPC UA

4.8.1 OPC UA server

4.8.2 OPC UA Security

4.8.3 Authentication

4.8.4 Properties of the OPC UA server

4.9 Cloud configuration

4.9.1 Notes on structuring data

4.9.2 Profile

4.9.2.1 Profile

4.9.2.2 MQTT configuration

4.9.2.3 Certificates

4.9.2.4 Device parameters

4.9.3 Topic editor

4.9.3.1 Topic settings

4.9.3.2 User data format

4.9.3.3 Station assignment

4.10 Data points

4.10.1 Notes on transfer time

4.10.2 Data points

4.10.3 Import tags

4.11 Maintenance

4.11.1 System time

4.11.2 User

4.11.3 Firmware

4.11.4 Saving

4.11.5 Communication / Restart

4.11.6 Diagnostics

4.11.7 Logging

5.1 Diagnostics options

5.2 Loading new firmware

5.3 Reset

5.4 Device replacement in the event of a fault

Technical specifications

6.1 Technical specifications - CloudConnect 712

6.2 Pinout of the Ethernet interfaces