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Siemens SIMATIC NET S7-1200 Compact Operating Instructions
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Siemens SIMATIC NET S7-1200 Compact Operating Instructions

Compact switch module csm 1277
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SIMATIC NET
S7-1200
Compact Switch Module CSM 1277
Compact Operating Instructions
06/2022
A2B00079397-02
Introduction
Network topologies
Product characteristics
Installation
Maintenance and
troubleshooting
Approvals and markings
References
Graphics
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2
3
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Summary of Contents for Siemens SIMATIC NET S7-1200

  • Page 1 Introduction Network topologies Product characteristics SIMATIC NET Installation S7-1200 Compact Switch Module CSM 1277 Maintenance and troubleshooting Approvals and markings Compact Operating Instructions References Graphics 06/2022 A2B00079397-02...
  • Page 2 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.

  • Page 3: Table Of Contents

    Table of contents Introduction ............................5 Preface ..........................5 Security information ......................6 Introduction......................... 7 Network topologies ..........................9 Network topologies......................9 Product characteristics ........................11 Components of the product ....................11 Unpacking and checking ....................12 CSM 1277 product characteristics ..................13 TP ports ..........................
  • Page 4 Table of contents Index ..............................49 Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 5: Introduction

    You will find the SIMATIC NET glossary here: • SIMATIC NET Manual Collection or product DVD The DVD ships with certain SIMATIC NET products. • On the Internet under the following address: 50305045 (https://support.industry.siemens.com/cs/ww/en/view/50305045) Security information Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 6: Security Information

    (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.

  • Page 7: Introduction

    Introduction 1.3 Introduction Introduction What is possible? The CSM 1277 device allows for the cost-effective installation of Industrial Ethernet bus and star structures with switching functionality. Note It is not possible to use a CSM 1277 switch in a redundant ring because it does not support redundancy.
  • Page 8 Introduction 1.3 Introduction Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 9: Network Topologies

    Network topologies Network topologies Switching technology allows extensive networks to be set up with numerous nodes and simplifies network expansion. Which topologies can be implemented? Linear (bus) and star topologies can be implemented with the compact switch module CSM 1277. Note Make sure that the maximum permitted cable lengths for the relevant devices are not exceeded.
  • Page 10 Network topologies 2.1 Network topologies Star topology Figure 2-2 Star topology. Example with the CSM 1277 Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 11: Product Characteristics

    Product characteristics Components of the product The CSM 1277 compact switch module ships with the following: • 3-pin terminal block (power supply) • Operating Instructions (on the CD) • CD Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 12: Unpacking And Checking

    Product characteristics 3.2 Unpacking and checking Unpacking and checking Unpacking, checking 1. Make sure that the package is complete. 2. Check all the parts for transport damage. WARNING Do not use any parts that show evidence of damage! Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 13: Csm 1277 Product Characteristics

    Product characteristics 3.3 CSM 1277 product characteristics CSM 1277 product characteristics Possible attachments The CSM 1277 has four RJ-45 jacks for the connection of end devices or other network segments. Figure 3-1 Compact Switch Module CSM 1277 Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 14: Tp Ports

    Product characteristics 3.4 TP ports TP ports Connector pinout On the CSM 1277, the TP ports are implemented as RJ-45 sockets with MDI-X assignment (Medium Dependent Interface–Autocrossover) of a network component. Figure 3-2 RJ-45 jacks Figure 3-3 RJ-45 jack Table 3-1 Pin assignment of the RJ-45 jack Pin number Assignment...
  • Page 15 Product characteristics 3.4 TP ports Note TP cords or TP-XP cords with a maximum length of 10 m can be connected to the RJ-45 TP port. With the IE FC cables and IE FC RJ-45 plug 180, an overall cable length of up to 100 m is permitted between two devices depending on the cable type.
  • Page 16 Product characteristics 3.4 TP ports Between ports of the same group, the requirements for Environment A are met. For example between P1 and P2. Note Please note that the direct connection of two ports on the switch or accidental connection over several switches causes an illegal loop.

  • Page 17: Displays

    Product characteristics 3.5 Displays Displays Displays of the CSM 1277 Power indicator 'DIAG' (green LED) The status of the power supply is indicated by a green LED: Status Meaning LED lit green Power supply is connected LED not lit Power supply is not connected or the applied voltage is too low. Refer to the <<Hinweis>>...

  • Page 18: Technical Specifications

    Product characteristics 3.6 Technical specifications Technical specifications Technical specifications of the CSM 1277 Connectors Attachment of end devices or network components 4 x RJ-45 sockets with MDI-X pinning 10/100 Mbps over twisted pair (half/ full duplex), floating Connector for power supply 3-pin plug-in terminal block Electrical data Power supply...
  • Page 19 Product characteristics 3.6 Technical specifications Permitted ambient conditions Dimensions (W x H x D) in mm 45 x 100 x 75 Weight in g Installation options 35 mm DIN rail (DIN EN 60715 TH35) Order numbers CSM 1277 6GK7277-1AA10-0AA0 "Industrial Ethernet TP and Fiber Optic Networks" 6GK1970-1BA10-0AA0 manual TP Cord RJ-45/RJ-45, 0.5 m...
  • Page 20 Product characteristics 3.6 Technical specifications Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 21: Installation

    Installation CAUTION To prevent injury and damage, read the manual before using the device. Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 22: Important Notes On Using The Device

    Installation 4.1 Important notes on using the device Important notes on using the device Read the safety notices Note the following safety notices. These relate to the entire working life of the device. WARNING If a device is operated in an ambient temperature of more than 55 °C, the temperature of the device enclosure may be higher than 70 °C.
  • Page 23 Installation 4.1 Important notes on using the device WARNING The device is intended for indoor use only. WARNING The device may only be operated in an environment of contamination class 1 or 2 (see EN/IEC 60664-1, GB/T 16935.1). WARNING 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.
  • Page 24 Installation 4.1 Important notes on using the device WARNING Unprotected cable ends There is a risk of explosion due to unprotected cable ends in hazardous areas. • Protect unused cable ends according to IEC/EN 60079-14. WARNING Improper installation of shielded cables There is a risk of explosion due to equalizing currents between the hazardous area and the non- hazardous area.
  • Page 25 Installation 4.1 Important notes on using the device WARNING Transient overvoltages Take measures to prevent transient overvoltages of more than 40% of the rated voltage (or more than 119 V). This is the case if you only operate devices with SELV (safety extra-low voltage).

  • Page 26: Installation

    Installation 4.2 Installation Installation Type of mounting The Compact Switch Module CSM 1277 is intended for mounting on a 35 mm DIN rail. Wall mounting is also possible (see S7-1200 System Manual). Note When installing and operating the device, keep to the installation instructions and safety-related notices as described here and in the manual SIMATIC NET Industrial Ethernet Twisted Pair and Fiber Optic Networks /1/.

  • Page 27: Fixing Onto Standard Mounting Rails

    Installation 4.3 Fixing onto standard mounting rails Fixing onto standard mounting rails Installation on a 35 mm DIN rail Note The CSM 1277 does not have a feedthrough for the backplane bus. It must therefore be mounted either at the start or end of the S7-1200 station! 1.
  • Page 28 Installation 4.3 Fixing onto standard mounting rails 3. Fit the connectors for the power supply. See << Link auf Bild 4.5>> 4. Insert the terminal block into the sockets on the device. See << Link auf Bild 4.4>> Figure 4-2 CSM 1277 mounted on a DIN rail Uninstalling To remove a CSM 1277 compact switch module from the DIN rail:...

  • Page 29: Power Supply

    Installation 4.4 Power supply Power supply Power supply The power supply is connected using a 3-pin plug-in terminal block. The functional ground can be connected to the grounded DIN rail. It does not need to be connected for problem-free operation. The power supply is non-floating. Figure 4-4 Connecting the power supply Figure 4-5...
  • Page 30 Installation 4.4 Power supply Note The previous device CSM 1277 with order number 6GK7277-1AA00-0AA0 had a different pin assignment of the terminal block. Pin 1: Functional grounding, Pin 2: Protective earth, Pin 3: L+. The supply input of the CSM is protected against polarity reversal. A reverse polarity of the supply voltage does not cause any damage but will not result in any function either.

  • Page 31: Grounding

    Installation 4.5 Grounding Grounding 35 mm DIN rail A functional grounding can be established by connecting a cable from terminal 3 to the DIN rail, , for example. Such a cable should be kept as short as possible. Grounding is, however, not necessary for interference-free operation.

  • Page 32: Twisted Pair Cable

    Installation 4.6 Twisted pair cable Twisted pair cable Recommendation • Cable quality at least CAT 5 • Standard cables and IE FC RJ-45 Plug 180 connectors that can be assembled in the field for connection of the S7-1200 station to the LAN, for example over greater distances. •...

  • Page 33: Fitting The Ie Fc Rj-45 Plug 180

    Installation 4.7 Fitting the IE FC RJ-45 Plug 180 Fitting the IE FC RJ-45 Plug 180 IE FC RJ‑45 Plug 180 The rugged node connectors with PROFINET-compliant plug-in connectors are designed for industry and provide sure contact. Assembly of the IE FC RJ-45 Plug 180 on an IE FC standard cable For information on assembling an IE FC RJ-45 Plug 180 on a SIMATIC NET Industrial Ethernet FastConnect cable, please refer to the instructions supplied with the IE FC RJ-45 Plug.
  • Page 34 Installation 4.7 Fitting the IE FC RJ-45 Plug 180 Removing the IE FC RJ-45 Plug 180 Press the release button of the IE FC RJ-45 Plug 180 and pull it out of the twisted pair port of the CSM 1277. Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 35: Disassembly

    Installation 4.8 Disassembly Disassembly WARNING Improper disassembly Improper disassembly may result in a risk of explosion in hazardous areas. For proper disassembly, observe the following: • Before starting work, ensure that the electricity is switched off. • Secure remaining connections so that no damage can occur as a result of disassembly if the system is accidentally started up.
  • Page 36 Installation 4.8 Disassembly Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 37: Maintenance And Troubleshooting

    Maintenance and troubleshooting WARNING Unauthorized repair of devices in explosion-proof design Risk of explosion in hazardous areas • Repair work may only be performed by personnel authorized by Siemens. WARNING Impermissible accessories and spare parts Risk of explosion in hazardous areas •...

  • Page 38: Possible Sources Of Problems And How To Deal With Them

    The DIAG‑LED and all port LEDs are off. Device defective If a fault develops, please send the device to your SIEMENS service center for repair. Repairs on- site are not possible. Compact Switch Module CSM 1277...

  • Page 39: Approvals And Markings

    Current approvals on the Internet You will find the current approvals for the product on the Internet pages of Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/15273/cert). Compact Switch Module CSM 1277...

  • Page 40: Notes On The Ce Mark

    Approvals and markings 6.1 Notes on the CE Mark Notes on the CE Mark Product name Compact switch module SIMATIC NET CSM 1277 6GK7277-1AA10-0AA0 Observe installation guidelines The product meets the requirements if you keep to the installation instructions and safety- related notices as described here and in the manual "SIMATIC NET Industrial Ethernet Twisted Pair and Fiber Optic Networks"...
  • Page 41 Importer UK: Siemens plc, Manchester M20 2UR You can find the current UK Declaration of Conformity for these products on the Internet pages under Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/ 15273/cert). Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...
  • Page 42 "SIMATIC NET Product Information Use of subassemblies/modules in a Zone 2 Hazardous Area". You will find this document • on the data medium that ships with some devices. • on the Internet pages under Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/view/78381013).
  • Page 43 Approvals and markings 6.1 Notes on the CE Mark You will find the current versions of the standards in the currently valid certificates. EMC (electromagnetic compatibility) The SIMATIC NET products described in these operating instructions meet the electromagnetic compatibility requirements according to the EU Directive 2014/30/EU as well as the UK- Regulation SI 2016/1091 and their associated amendments.
  • Page 44 Approvals and markings 6.1 Notes on the CE Mark cULus for Hazardous Locations ANSI/ISA 12.12.01-2007, CSA C22.2 No. 213-M1987 CL. 1, Div. 2 GP. A.B.C.D T.. CL. 1, Zone 2, GP, IIC, T.. (T.. = For detailed information on the temperature class, refer to the type plate) Note for Australia - RCM The product meets the requirements of the RCM standard.

  • Page 45: References

    References References Sources of information and other documentation 1. SIMATIC NET Industrial Twisted Pair and Fiber-Optic Networks, Order numbers: 6GK1970-1BA10-0AA0 German 6GK1970-1BA10-0AA1 English 6GK1970-1BA10-0AA2 French 6GK1970-1BA10-0AA4 Italian 2. PROFINET Cabling and Interconnection Technology Guideline Can be ordered from the PROFIBUS User Organization (PNO) Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 46: Internet

    References 7.2 Internet Internet Further information on the Internet You will find additional information on SIMATIC NET products in the Internet at http:// www.automation.siemens.com/net/index_00.htm Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

  • Page 47: Graphics

    Graphics Dimension drawings Dimension drawing Figure 8-1 Dimension drawing, view from above Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...
  • Page 48 Graphics 8.1 Dimension drawings Figure 8-2 Dimension drawing, view from side Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...
  • Page 49 Index Approvals, 40 Reduced voltage, 38 Autonegotiation, 15 Reverse polarity, 38 CE mark, 40 SIMATIC NET glossary, 5 Connector pinout TP port, 14 defective, 38 Display, 17, 38 Error LED display in case of reverse polarity, 38 LED display when voltage is too low, 38 Glossary, 5 Internet, 46 MDI /MDIX autocrossover function, 15...
  • Page 50 Index Compact Switch Module CSM 1277 Compact Operating Instructions, 06/2022, A2B00079397-02...

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