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Siemens CSM 377, Operating Instructions Manual

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5.1

Possible sources of problems and how to deal with them

Fuses

Note

The CSM 377 compact switch module has a resettable fuse / PTC. If the fuse triggers (all LEDs are 
off despite correctly applied power supply), the device should be disconnected from the power 
supply for approximately 30 minutes before turning it on again.

LED display when voltage drops

If the power supply sinks below approximately 14 V, the internal power supply switches off, the 
L-LED and all port LEDs go off. The functionality of the CSM 377 is no longer available.

Device defective

If a fault develops, please send the device to your SIEMENS service center for repair. Repairs on-
site are not possible.

Maintenance and troubleshooting
5.1 Possible sources of problems and how to deal with them

Compact Switch Module CSM 377

34

Operating Instructions, 06/2022, A2B00073499-02

Summary of Contents for CSM 377

Page 1: ...ct Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 Introduction 1 Network topologies 2 Product properties 3 Installation 4 Maintenance and troubleshooting 5 Approvals and markings 6 References 7 Graphics 8 ...

Page 2: ... 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 mu...

Page 3: ...allation 19 4 1 Important notes on using the device 20 4 2 Installation 24 4 3 Installation on a standard rail 25 4 4 Power supply 26 4 5 Grounding 28 4 6 Fitting the IE FC RJ 45 Plug 180 29 4 7 Disassembly 31 5 Maintenance and troubleshooting 33 5 1 Possible sources of problems and how to deal with them 34 6 Approvals and markings 35 6 1 Notes on the CE Mark 36 7 References 41 7 1 References 41 7...

Page 4: ...Table of contents Compact Switch Module CSM 377 4 Operating Instructions 06 2022 A2B00073499 02 ...

Page 5: ...itch module Further documentation The SIMATIC NET Industrial Ethernet Twisted Pair and Fiber Optic Networks manual contains additional information on other SIMATIC NET products that you can operate along with the CSM 377 switch in an Industrial Ethernet network SIMATIC NET glossary Explanations of many of the specialist terms used in this documentation can be found in the SIMATIC NET glossary You ...

Page 6: ...dates 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 def...

Page 7: ...of the switch to electromagnetic interference was the surge immunity test according to EN61000 4 5 This test requires overvoltage protection for the power supply lines A suitable device is for example the Dehn Blitzductor VT AD 24 V type no 918 402 or comparable protective element Manufacturer DEHN SÖHNE GmbH Co KG Hans Dehn Str 1 Postfach 1640 D 92306 Neumarkt Germany WARNING When used under haza...

Page 8: ...Introduction 1 3 Introduction Compact Switch Module CSM 377 8 Operating Instructions 06 2022 A2B00073499 02 ...

Page 9: ... Linear bus and star topologies can be implemented with the compact switch module CSM 377 Note Make sure that the maximum permitted cable lengths for the relevant devices are not exceeded You will find the permitted cable lengths in the technical specifications Bus topology Figure 2 1 Bus topology with the CSM 377 Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 9 ...

Page 10: ...Star topology Figure 2 2 Star topology Example with the CSM 377 Network topologies 2 1 Network topologies Compact Switch Module CSM 377 10 Operating Instructions 06 2022 A2B00073499 02 ...

Page 11: ...nts of the product The CSM 377 compact switch module always ships with the following 2 pin terminal block power supply Operating Instructions on the CD CD Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 11 ...

Page 12: ...re that the package is complete 2 Check all the parts for transport damage WARNING Do not use any parts that show evidence of damage Product properties 3 2 Unpacking and checking Compact Switch Module CSM 377 12 Operating Instructions 06 2022 A2B00073499 02 ...

Page 13: ...CSM 377 has four RJ 45 jacks for the connection of end devices or other network segments Figure 3 1 Compact Switch Module CSM 377 Product properties 3 3 CSM 377 product characteristics Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 13 ...

Page 14: ...number Assignment Pin 8 n c Pin 7 n c Pin 6 TD Pin 5 n c Pin 4 n c Pin 3 TD Pin 2 RD Pin 1 RD 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 Product properties 3 4 TP ports Compact Switch Module CSM 377 ...

Page 15: ... not require settings to be made for commissioning Auto polarity exchange If the pair of receiving cables are incorrectly connected RD and RD swapped over the polarity is adapted automatically MDI MDIX autocrossover function The advantage of the MDI MDIX autocrossover function is that straight through cables can be used throughout and crossover Ethernet cables are unnecessary This prevents malfunc...

Page 16: ...Port status indicator green yellow LEDs The status of the ports is indicated by four green yellow LEDs Status Meaning Port 1 through 4 LED lit green TP link exists no data reception Port 1 through 4 LED lit yellow TP link exists data received at TP port Ports 1 through 4 LEDs flashing syn chronously Test phase during power on Product properties 3 5 Displays Compact Switch Module CSM 377 16 Operati...

Page 17: ...ndustrial Ethernet FC outlet RJ45 with 0 90 m Industrial Ethernet FC TP standard cable 10 m TP cord Industrial Ethernet FC TP marine trailing cable with IE FC RJ45 plug 180 or 0 75 m Industrial Ethernet FC TP marine trailing cable 10 m TP cord learnable MAC addresses Aging Time learnable MAC addresses 1024 Aging time 300 seconds Permitted ambient conditions Operating temperature 0 C to 60 C Storag...

Page 18: ...pack of 1 6GK1 901 1BB10 2AA0 IE FC RJ45 Plug 180 pack of 10 6GK1 901 1BB10 2AB0 IE FC RJ45 Plug 180 pack of 50 6GK1 901 1BB10 2AE0 Note The number of connected switches influences the frame delay When a frame passes through the CSM 377 it is delayed by the store and forward function of the switch with a 64 byte frame length by approx 8 µs at 100 Mbps with a 1500 byte frame length by approx 125 µs...

Page 19: ...Installation 4 CAUTION To prevent injury and damage read the manual before using the device Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 19 ...

Page 20: ... must be taken If the equipment is operated in an air ambient in excess of 60 only use cables with admitted maximum operating temperature of at least 80 NOTICE Improper mounting Improper mounting may damage the device or impair its operation Before mounting the device always ensure that there is no visible damage to the device Mount the device using suitable tools Observe the information in the re...

Page 21: ...k of explosion in hazardous areas Only use connectors that meet the requirements of the relevant type of protection If necessary tighten the connector screw connections device fastening screws grounding screws etc according to the specified torques Close unused cable openings for electrical connections Check the cables for a tight fit after installation WARNING Lack of equipotential bonding If the...

Page 22: ...r your country Notes for use in hazardous locations according to ATEX IECEx UKEX and CCC Ex If you use the device under ATEX IECEx UKEX or CCC Ex conditions you must also keep to the following safety instructions in addition to the general safety instructions for protection against explosion WARNING To comply with EU Directive 2014 34 EU ATEX 114 UK Regulation SI 2016 1107 or the conditions of IEC...

Page 23: ... keep to the following safety notices in addition to the general safety notices for protection against explosion This equipment is suitable for use in Class I Division 2 Groups A B C and D or non hazardous locations only This equipment is suitable for use in Class I Zone 2 Group IIC or non hazardous locations only WARNING EXPLOSION HAZARD DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOW...

Page 24: ...ions and safety related notices as described here and in the manual SIMATIC NET Industrial Ethernet Twisted Pair and Fiber Optic Networks 1 Note Provide suitable shade to protect the device against direct sunlight This avoids unwanted warming of the device and prevents premature aging of the device and cabling Installation 4 2 Installation Compact Switch Module CSM 377 24 Operating Instructions 06...

Page 25: ...onnectors for the power supply See Link to Figure 4 3 4 Insert the terminal block into the sockets on the device See Link to Figure 4 2 Figure 4 1 CSM 377 installation on a SIMATIC S7 300 standard rail Uninstalling To remove a CSM 377 compact switch module from the SIMATIC S7 300 standard rail 1 First disconnect all connected cables See Link to Figure 4 6 2 Loosen the device screws on the undersid...

Page 26: ...n floating Figure 4 2 Connecting the power supply Figure 4 3 Pin assignment of the terminal block Table 4 1 Pin assignment for the power supply Pin number Assignment Pin 1 L 24 V DC Pin 2 M chassis ground WARNING Never connect the device to AC voltage Never operate the device with DC voltage higher than 28 8 V DC Installation 4 4 Power supply Compact Switch Module CSM 377 26 Operating Instructions...

Page 27: ...urce LPS complying with IEC 60950 1 EN 60950 1 VDE 0805 1 or IEC 62368 1 EN 62368 1 VDE 62368 1 may be connected to the power supply terminals The power supply unit for the device must meet NEC Class 2 according to the National Electrical Code r ANSI NFPA 70 If the equipment is connected to a redundant power supply two separate power supplies both must meet these requirements Installation 4 4 Powe...

Page 28: ...5 Grounding S7 standard rail The device is grounded over its rear panel and the neck of the screw Installation 4 5 Grounding Compact Switch Module CSM 377 28 Operating Instructions 06 2022 A2B00073499 02 ...

Page 29: ...rmation on assembling an IE FC RJ45 Plug 180 on a SIMATIC NET Industrial Ethernet FastConnect cable please refer to the instructions supplied with the IE FC RJ45 Plug Figure 4 4 IE FC RJ45 Plug 180 Inserting the IE FC RJ45 Plug 180 Insert the IE FC RJ45 Plug 180 into the twisted pair interface of the CSM 377 until it locks in place Figure 4 5 Inserting the IE FC RJ45 Plug 180 Installation 4 6 Fitt...

Page 30: ...g the IE FC RJ45 Plug 180 Use a 2 5 mm screwdriver to unlock the latching of the IE FC RJ45 Plug 180 Figure 4 6 Releasing the latching of the RJ45 Plug After releasing the latching you can pull the IE FC RJ45 Plug 180 from the twisted pair socket Figure 4 7 Removing the IC FC RJ45 Plug by unlatching the RJ45 plug with a screwdriver Installation 4 6 Fitting the IE FC RJ 45 Plug 180 Compact Switch M...

Page 31: ...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 Installation 4 7 Disassembly Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 31 ...

Page 32: ...Installation 4 7 Disassembly Compact Switch Module CSM 377 32 Operating Instructions 06 2022 A2B00073499 02 ...

Page 33: ...uals for the device or supplied with the accessories or spare parts CAUTION Hot surfaces Risk of burns during maintenance work on parts with a surface temperature above 70 C 158 F Take appropriate protective measures for example wear protective gloves Once maintenance work is complete restore the touch protection measures NOTICE Cleaning the housing If the device is not in a hazardous area only cl...

Page 34: ...n LED display when voltage drops If the power supply sinks below approximately 14 V the internal power supply switches off the L LED and all port LEDs go off The functionality of the CSM 377 is no longer available Device defective If a fault develops please send the device to your SIEMENS service center for repair Repairs on site are not possible Maintenance and troubleshooting 5 1 Possible source...

Page 35: ...nding mark is printed on the product You can check which of the following approvals have been granted for your product by the markings on the type plate 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 377 Operating Instru...

Page 36: ...ed in the procedure for obtaining the EU UK conformity assessment by the manufacturer of the machine Machinery directive The product is a component in compliance with the EC Machinery Directive 2006 42 EEC and the Supply of Machinery Safety Regulations 2008 UK According to the Machinery Directive respectively the Supply of Machinery Safety Regulations UK we are obliged to point out that the produc...

Page 37: ...us substances in electrical and electronic equipment official journal of the EC L174 01 07 2011 pages 88 110 You will find the EC declaration of conformity for these products on the Internet pages of Siemens Industry Online Support https support industry siemens com cs ww en ps 15273 cert The EC Declaration of Conformity is available for all responsible authorities at Siemens Aktiengesellschaft Di...

Page 38: ...ted conditions in the following document are adhered to 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 Enter the document identification number C234 as the search te...

Page 39: ...f Conformity RoHS The SIMATIC NET products described in these operating instructions meet the requirements on the restriction of the use of certain hazardous substances in electrical and electronic equipment according to the EU Directive 2011 65 EU as well as the UK Regulation SI 2012 3032 and their associated amendments Applied standard EN IEC 63000 FM The product meets the requirements of the st...

Page 40: ... NZS CISPR11 Industrial scientific and medical equipment Radio frequency disturbance characteristics Limits and methods of measurement EN 61000 6 4 Electromagnetic compatibility EMC Part 6 4 Generic standards Emission standard for industrial environments You will find the current versions of the standards in the currently valid RCM SDoCs Self Declaration of Conformity Approvals and markings 6 1 No...

Page 41: ...tic 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 377 Operating Instructions 06 2022 A2B00073499 02 41 ...

Page 42: ... Internet You will find additional information on SIMATIC NET products in the Internet at http www automation siemens com net index_00 htm References 7 2 Internet Compact Switch Module CSM 377 42 Operating Instructions 06 2022 A2B00073499 02 ...

Page 43: ...Graphics 8 8 1 Dimension drawings Dimension drawing Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 43 ...

Page 44: ...Graphics 8 1 Dimension drawings Compact Switch Module CSM 377 44 Operating Instructions 06 2022 A2B00073499 02 ...

Page 45: ...Figure 8 1 Dimension drawing view from above Graphics 8 1 Dimension drawings Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 45 ...

Page 46: ...Graphics 8 1 Dimension drawings Compact Switch Module CSM 377 46 Operating Instructions 06 2022 A2B00073499 02 ...

Page 47: ...Figure 8 2 Dimension drawing view from side Graphics 8 1 Dimension drawings Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 47 ...

Page 48: ...Graphics 8 1 Dimension drawings Compact Switch Module CSM 377 48 Operating Instructions 06 2022 A2B00073499 02 ...

Page 49: ...16 34 E Error LED display when voltage drops 34 G Glossary 5 I Internet 42 M MDI MDIX autocrossover function 15 N Network topology 9 Bus topology 9 Star topology 10 P Possible attachments 13 R Reduced voltage 34 S SIMATIC NET glossary 5 Compact Switch Module CSM 377 Operating Instructions 06 2022 A2B00073499 02 49 ...

Page 50: ...Index Compact Switch Module CSM 377 50 Operating Instructions 06 2022 A2B00073499 02 ...

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