Siemens SIMATIC NET Manuale utente

SIMATIC NET

Network components

12M bus terminal

Operating Instructions

06/2022

C79000-G8976-C333-02

Preface

Introduction 1

Installation 2

Maintenance and cleaning 3

Technical speci󹪝cations 4

Approvals 5

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.

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.

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.

Quali󹪝ed Personnel

The product/system described in this documentation may be operated only by personnel quali󹪝ed for the speci󹪝c

task in accordance with the relevant documentation, in particular its warning notices and safety instructions.

Quali󹪝ed 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:

WARNING

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

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 ambient

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

Trademarks

All names identi󹪝ed 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.

Siemens AG

Digital Industries

Postfach 48 48

90026 NÜRNBERG

GERMANY

C79000-G8976-C333-02

Ⓟ 06/2022 Subject to change

Preface

Documentation

You will 󹪝nd information on the use of this product in the following sources:

• in the product documentation

• in the SIMATIC NET PROFIBUS Networks manual

The manual is available on the Internet pages of Siemens Industry Online Support under the

following entry ID:

35222591 (http://support.automation.siemens.com/WW/view/en/35222591)

• in the SIMATIC NET Industrial Communication catalog IK PI

You can request the catalog and additional information from your Siemens representative.

Contact person

If you cannot 󹪝nd the answer to a technical question about the use of this product in the sources

quoted, contact your Siemens representative in the agencies or o󹪟ces responsible for your area.

The addresses are listed:

• in our catalog IK PI

• on the Internet pages of Siemens Industry Online Support (http://

support.automation.siemens.com)

Frequently asked questions

Our customer support on the Internet provides useful information and answers to frequently

asked questions. Here you will 󹪝nd information about the entire product spectrum in the area

Support > FAQs (Frequently Asked Questions): http://www.automation.siemens.com/.

Hotline

Our hotline is also available to deal with problems:

• Phone

0911-895-7222

(from abroad +49-911-895-7222)

• Telefax

0911-895-7223

(from abroad +49-911-895-7223)

• E-mail

[email protected]

12M bus terminal

Operating Instructions, 06/2022, C79000-G8976-C333-02 3

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.

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. 󹪝rewalls and/or network segmentation) are in place.

For additional information on industrial security measures that may be implemented, please

visit

https://www.siemens.com/industrialsecurity (https://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 customer’s exposure to cyber

threats.

To stay informed about product updates, subscribe to the Siemens Industrial Security RSS Feed

under

https://www.siemens.com/cert (https://www.siemens.com/cert).

Device defective

If a fault develops, send the device to your SIEMENS representative for repair. Repairs on-site are

not possible.

Recycling and disposal

The products are low in pollutants, can be recycled and meet the requirements of the WEEE

directive 2012/19/EU for the disposal of electrical and electronic equipment.

Do not dispose of the products at public disposal sites.

For environmentally friendly recycling and the disposal of your old device contact a certi󹪝ed

disposal company for electronic scrap or your Siemens contact (Product return (https://

support.industry.siemens.com/cs/ww/en/view/109479891)).

Note the di󹪜erent national regulations.

Trademarks

The following and possibly other names not identi󹪝ed by the registered trademark sign ® are

registered trademarks of Siemens AG:

SCALANCE, C-PLUG, OLM

Preface

12M bus terminal

4Operating Instructions, 06/2022, C79000-G8976-C333-02

Table of contents

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

1 Introduction ........................................................................................................................................... 7

1.1 Included in shipment ........................................................................................................... 7

1.2 Description of the product.................................................................................................... 7

1.3 Compatible devices............................................................................................................ 10

2 Installation........................................................................................................................................... 11

2.1 Important notes on using the device .................................................................................. 11

2.2 Mounting and attaching the bus cable(s) ........................................................................... 15

2.3 Grounding measures.......................................................................................................... 18

2.4 Disassembly....................................................................................................................... 19

3 Maintenance and cleaning .................................................................................................................. 21

4 Technical speci󹪝cations ....................................................................................................................... 23

5 Approvals............................................................................................................................................. 25

5.1 Note for Australia............................................................................................................... 28

Index .................................................................................................................................................... 31

12M bus terminal

Operating Instructions, 06/2022, C79000-G8976-C333-02 5

Table of contents

12M bus terminal

6Operating Instructions, 06/2022, C79000-G8976-C333-02

Introduction 1

1.1 Included in shipment

• 12M bus terminal order no. 6GK1 500-0AA10

1.2 Description of the product

Function

The 12M bus terminal is used to attach data terminal equipment (DTE) with an RS-485 interface

to a bus cable.

Note

A maximum of 32 12M bus terminals can be connected to one bus segment.

If other components, such as repeaters are connected to a bus segment, this reduces the

maximum number of 12M bus terminals that can be connected.

Operator controls

The bus terminal consists of the following elements and controls:

• 1 terminal block with 6 terminals for wires with a cross-sectional area of ≤ 1.5 mm2

With this terminal block you can connect the incoming and outgoing bus cable and, if

necessary, Protective Earth (PE).

• Screw down clamps for shield contact

12M bus terminal

Operating Instructions, 06/2022, C79000-G8976-C333-02 7

• 2 switches:

– right-hand switch ("Termination")

With the right-hand switch, you can terminate the end of an incoming, electrical segment

(A1, B1) with the characteristic impedance (switch on). At the same time, the outgoing,

electrical segment (A2, B2) is interrupted.

– left-hand switch

With the left-hand switch you can set the range of the transmission speed 9.6 kbps... 1.5

Mbps and 3 Mbps...12 Mbps.

• A 1.5 m long spur line with a 9-pin D-sub male connector

You can connect a DTE directly to this spur line.

3($%$%3(RIIRQRIIRQN0007HUPLQDWLRQ5

Figure 1-1 Operator controls

Terminal block

Short name Meaning

PE Protective earth connected to the cable shield and DIN rail

A1 Signal line A of the incoming segment side

B1 Signal line B of the incoming segment side

A2 Signal line of the outgoing segment side

B2 Signal line of the outgoing segment side

PE Protective earth connected to the cable shield and DIN rail

Terminal block

The following is recommended for PROFIBUS:

• Terminal A - green wire

• Terminal B - red wire

Termination

Activate the termination on the 󹪝rst and last node of the bus segment.

If termination is activated (termination on), the connection between the incoming (A1, B1) and

outgoing (A2, B2) segment is interrupted. If the wrong bus terminating resistors are activated,

it is no longer possible to access stations downstream from the bus terminal. When a segment

is put into operation, there must therefore be no bus terminating resistors activated that are not

located at the start or end of the network.

Introduction

1.2 Description of the product

12M bus terminal

8Operating Instructions, 06/2022, C79000-G8976-C333-02

D-sub male connector

The D-sub male connector is plugged into the D-sub female connector of the DTE and secured

by screws. The 12M bus terminal requires a current of 90 mA with a voltage of 5 V supplied by

the DTE between pins 5 (M5) and 6 (P5) of the D-sub male connector.

Pin no. Short name Meaning

1 PE Protective earth, connected to the cable shield

2 nc

3 B (RxD/TxD-P) Signal line B

4 nc

5 M5 (DGND) Chassis connection of the 5 volt supply

6 P5 (VP) + 5 volt connection, 90 mA required

7 nc

8 A (RxD/TxD-N) Signal line A

9 nc

Casing PE Protective earth, connected to the cable shield

D-sub male connector pinout

The impedance of the PROFIBUS interface when receiving must be ≥ 10 kilohms (according to

the EIA standard RS-485). The spur line must not be terminated.

Segment length and transmission speed

Transmission speed maximum segment length

9.6 - 187.6 kbps 800 m

500 kbps 400 m

1.5 Mbps 200 m

3 - 12 Mbps 100 m

Permitted segment lengths

Bus cable for PROFIBUS, standard type (see catalog IK PI).

Note

Restriction when using the 12M bus terminal at 500 kbps

This restriction only a󹪜ects segments longer than 80 m.

If the 12M bus terminal is used at a transmission rate of 500 kbps along with several RS-485 bus

terminals with a spur line length of 3.0 m, a minimum distance of 5 m of PROFIBUS cable must

be maintained between two RS-485 bus terminals.

You can locate 12M bus terminals anywhere in the segment; there is no minimum distance

between them that needs to be kept to. You can also arrange a 12M bus terminal between two

RS-485 bus terminals with 3.0 m spur lines if you make sure that the PROFIBUS cable between

two RS-485 bus terminals has a total length of at least 5 m.

Introduction

1.2 Description of the product

12M bus terminal

Operating Instructions, 06/2022, C79000-G8976-C333-02 9

1.3 Compatible devices

Table 1-1 Connectable devices that can supply 90 mA at 5V.

Name Master slave Comments BT12M can be used

SIMATIC S5

IM 308-C M + S yes

CP 5431 FMS/DP M yes

S5-95U/DP M + S yes

SIMATIC S7-200

CPU 215-DP S yes

CP 242-8 S yes

SIMATIC S7-300

CP 342-5 M + S yes

CP 343-5 M yes

CPU 313/314/315/316 M yes

CPU 315-2 DP M + S yes

SIMATIC S7-400

CP 342-5 M + S yes

CP 413-2 DP M yes

CPU 414-2 DP M yes

PC modules

CP 5412A2 M yes

CP 5411 M yes

CP 5611 M yes

CP 5613 M yes

Distributed I/O

ET 200M S via IM 153 yes

ET 200U S via IM 318-C yes

ET 200B S all versions yes

Miscellaneous

RS-485 repeater - yes

OLM-V3 - yes

DP/RS485 S DP interface module for line

circuit breaker

3WN6 (only 0..60 °)

yes

DP/AS-i Link IP20 S AS-i connection to PROFIBUS

DP,

degree of protection IP20

yes

SIMATIC 505-FIM M Slave SIMATIC 505-6870

PROFIBUS-DP RBC

Master complete SIMATIC 505

series

yes

Introduction

1.3 Compatible devices

12M bus terminal

10 Operating Instructions, 06/2022, C79000-G8976-C333-02

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