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Communication Ports
3.2 Serial Terminal

Available Ports

2

1

1

Tx Connector

2

Rx Connector

Figure 3.2

ST Port

Specifications

For specifications on the available fiber optic ports, refer to

"Fiber Optic Port

Specifications (Page 23)"

.

3.2

Serial Terminal

The RUGGEDCOM RMC20 is equipped with a seven-terminal Phoenix-style connector.

This connector can accommodate one RS232 connection, and one RS485/422

connection. The following is the pin-out for the serial terminal:

7

1

Figure 3.3

Serial Terminal Pin

Configuration

Pin

Name

Mode

Description

1

Rx

RS232

Receive data

2

Tx

RS232

Transmit data

3

COM

Shared common

RS422

Receive data-

4

-Rx

RS485

Transmit/

Receive data-

RS422

Receive data+

5

+Rx

RS485

Transmit/

Receive data+

6

-Tx

RS422

Transmit data-

7

+Tx

RS422

Transmit data+

3.2.1

RS232 Data Ports

The serial terminal includes a single EIA/TIA RS232 compliant port, consisting of three

terminals: Transmit (Tx), Receive (Rx) and Common (COM).

18

RUGGEDCOM RMC20

Installation Manual, 04/2021, C79000-G8976-1007-10

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Summary of Contents for RUGGEDCOM RMC20

Page 1: ...Edition 04 2021 Installation Manual SIMATIC NET Rugged Ethernet Switches RUGGEDCOM RMC20 https www siemens com ...

Page 2: ...C NET Rugged Ethernet Switches RUGGEDCOM RMC20 Installation Manual Preface Introduction 1 Installing the Device 2 Communication Ports 3 Technical Specifications 4 Certification 5 04 2021 C79000 G8976 1007 10 ...

Page 3: ...ied 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 manufact...

Page 4: ...2 3 2 Mounting the Device to a Panel 9 2 4 Setting the Operating Mode 9 2 4 1 Serial to Fiber Conversion Point to Point 10 2 4 2 Serial Standard Conversion 11 2 4 3 Serial to Fiber Conversion Loop Topology 12 2 5 Connecting Power 14 2 5 1 Connecting AC Power 14 2 5 2 Connecting DC Power 16 3 Communication Ports 17 3 1 Fiber Optic Ports 17 3 2 Serial Terminal 18 3 2 1 RS232 Data Ports 18 3 2 2 RS48...

Page 5: ...pprovals 27 5 1 1 CSA 27 5 1 2 European Union EU 27 5 1 3 FCC 28 5 1 4 FDA CDRH 28 5 1 5 ISED 28 5 1 6 ISO 28 5 1 7 ACMA 29 5 1 8 RoHS 29 5 1 9 Other Approvals 29 5 2 EMC and Environmental Type Tests 30 iv RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 ...

Page 6: ...purchase conditional upon the return to factory for maintenance during the warranty term This product contains no user serviceable parts Attempted service by unauthorized personnel shall render all warranties null and void The warranties set forth in this article are exclusive and are in lieu of all other warranties performance guarantees and conditions whether written or oral statutory express or...

Page 7: ...s Sales representative Customer Support Customer support is available 24 hours 7 days a week for all Siemens customers For technical support or general information contact Siemens Customer Support through any of the following methods Online Visit http www siemens com automation support request to submit a Support Request SR or check on the status of an existing SR Telephone Call a local hotline ce...

Page 8: ...escent Concord Ontario Canada L4K 5C7 Telephone Toll free 1 888 264 0006 Tel 1 905 856 5288 Fax 1 905 856 1995 E Mail ruggedcom info i ia siemens com Web https www siemens com RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 vii ...

Page 9: ...Preface Contacting Siemens viii RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 ...

Page 10: ... utility substations and industrial manufacturing process and control and intelligent transportation systems applications All RUGGEDCOM products are packaged with a high reliability built in power supply 24V 48V or HI voltage options and enclosed in a rugged galvanized steel enclosure suitable for panel or DIN rail mounting 1 1 Feature Highlights Key Features Extend lengths of serial connections u...

Page 11: ...Integrated high reliability power supply eliminates the need for external power transformer Screw down terminal blocks ensure reliable maintenance free connections All power supplies CSA UL 62368 1 approved for 85 C 185 F operation 1 2 Description The RUGGEDCOM RMC20 features various ports controls and indicator LEDs on the display panel for connecting configuring and troubleshooting the device Th...

Page 12: ...r Page 14 Power Supply Specifications Page 23 MODE Switch Sets the operating mode for the device For more information refer to Setting the Operating Mode Page 9 Communication Ports Receive and transmit data For more information about the various ports available for the RUGGEDCOM RMC20 refer to Communication Ports Page 17 1 3 Required Tools and Materials The following tools and materials are requir...

Page 13: ...sories contact a facility certified to dispose of waste electrical and electronic equipment Recycling and disposal must be done in accordance with local regulations 1 5 Supported Fiber Optic Cables The following fiber optic cable types are supported under the stated conditions Distance m Cable Type Wavelength nm Modal Bandwidth MHz km 100Base FX 1000Base SX 10GBase SR 850 200 275 33 OM1 62 5 125 1...

Page 14: ...iation exposure CAUTION Burn hazard risk of serious personal injury The surface of the device may be hot during operation or as a result of the ambient air temperature Wear appropriate personal protective equipment and use caution when working with or around the device NOTICE This product contains no user serviceable parts Attempted service by unauthorized personnel shall render all warranties nul...

Page 15: ...he operating mode 4 Connect power to the device and ground the device to safety Earth 5 Connect the device to the network 6 Configure the device 2 2 Unpacking the Device When unpacking the device do the following 1 Inspect the package for damage before opening it 2 Visually inspect each item in the package for any physical damage 3 Verify all items are included Note If any item is missing or damag...

Page 16: ...pter preinstalled on the back of the chassis Use the adapter to mount the device to a standard 35 mm 1 4 in IEC EN 60715 or TS35 DIN rail Mounting the Device To mount the device to a DIN rail do the following 1 Hook the top teeth of the adapter onto the DIN rail Note The adapter features a sliding release with a slot at the bottom for a flathead screwdriver 1 2 2 3 1 1 1 DIN Rail 2 DIN Rail Adapte...

Page 17: ...ng 1 Insert a flathead screwdriver into the slot of the sliding release and move it down 1 1 2 1 2 3 1 DIN Rail 2 DIN Rail Adapter Figure 2 2 Removing the Device from a DIN Rail 2 Swing the bottom of the device away from the DIN rail 3 Lift the device off the DIN rail 8 RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 ...

Page 18: ...t the panel and align the adapater with the mounting holes 3 Secure the panel adapter using three 6 32 screws 4 Insert the device into the adapter Make sure the device is secured between the two metal clips 5 Install the screw previously removed from the bottom of the panel adapter 2 4 Setting the Operating Mode To accommodate a wide array of serial devices the RUGGEDCOM RMC20 is equipped with a M...

Page 19: ...peat ON Fiber Repeat OFF 5 RESERVED 6 57600 baud 7 19200 57600 baud 8 4800 14400 baud 300 2400 baud The RUGGEDCOM RMC20 is equipped to provide conversion from serial RS232 RS485 or RS422 to fiber optics or between serial standards RS232 to RS485 RS422 Serial to fiber optic conversion connections can be further implemented in point to point as well as optical loop configurations 2 4 1 Serial to Fib...

Page 20: ...r RS232 Position 2 should be OFF for serial to fiber conversion Position 6 8 should be configured if RS485 communications are used in order to have the appropriate turn around timer shown below selected Positions 6 8 do not impact communications in full duplex mode Note A baud rate lower than 1200 bps is not supported in half duplex or RS485 mode Baud Rate bps DIP6 DIP7 DIP8 Turn Around Time a 120...

Page 21: ... an RS485 device or network Since RS485 requires automatic turn around position 3 must be set to the OFF state and position 6 8 of the DIP switches must reflect the proper operating baud rate Note In this mode of operation no isolation is provided between RS232 device and the RS485 422 network both devices share the same common terminal It should be noted that the common terminal on RS232 devices ...

Page 22: ...ceived on the optical receiver in addition to any connected serial devices As a result any data transmitted from the master will be re transmitted optically to all the slaves This mode of operation requires that the master device tolerate receiving echoes of transmitted data since any transmissions will be received once again via the optical ring This topology can be used for RS232 RS485 or RS422 ...

Page 23: ... between Surge and Chassis Ground Note that all line to ground transient protection circuitry will be disabled Note Siemens requires the use of external surge protection in VDSL applications where the line may be subject to surges greater than that for which the device is rated Use the following specifications as a guide for VDSL external surge protection Clamping Voltage 50 V to 200 V Insertion L...

Page 24: ... negative wire from the power source to the negative neutral N terminal on the terminal block 3 Using a braided wire or other appropriate grounding wire connect the surge ground terminal to the chassis ground connection The surge ground terminal is used as the ground conductor for all surge and transient suppression circuitry internal to the unit 4 Connect the ground terminal on the power source t...

Page 25: ...he power source to the positive live L terminal on the terminal block 1 2 3 4 1 Positive Live L Terminal 2 Negative Neutral N Terminal 3 Surge Ground Terminal 4 Braided Ground Cable Figure 2 9 Terminal Block Wiring 2 Connect the negative wire from the power source to the negative neutral N terminal on the terminal block 3 Using a braided wire or other appropriate grounding wire connect the surge g...

Page 26: ... Port Assignment Port Type 1 RS232 RS485 RS422 Serial Terminal 2 Multi Mode Fiber Optic Port 3 1 Fiber Optic Ports Fiber optic ports are available with ST Straight Tip connectors Make sure the Transmit Tx and Receive Rx connections of each port are properly connected and matched to establish a proper link RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 17 ...

Page 27: ... 422 connection The following is the pin out for the serial terminal 7 1 Figure 3 3 Serial Terminal Pin Configuration Pin Name Mode Description 1 Rx RS232 Receive data 2 Tx RS232 Transmit data 3 COM Shared common RS422 Receive data 4 Rx RS485 Transmit Receive data RS422 Receive data 5 Rx RS485 Transmit Receive data 6 Tx RS422 Transmit data 7 Tx RS422 Transmit data 3 2 1 RS232 Data Ports The serial...

Page 28: ...ngth to 15 m 49 ft or less for more reliable communications Use a baud rate of 120 kbps The RS232 port can be wired to standard DB9 console port 5 6 9 1 1 2 1 Serial Terminal 2 DB9 Console Port Figure 3 4 RS232 Port to Console Port Pin Configuration DB9 Pin Name Description 1 Reserved Do Not Connect 2 RD Receive Data 3 TD Transmit Data 4 Reserved Do Not Connect 5 SGND Signal Ground 6 Reserved Do N...

Page 29: ...s should be connected to the common wire inside the shield The shield should be connected to earth ground at a single point to avoid loop currents The twisted pair should be terminated at each end of the chain typically with a 120 Ohm resistor and a 10nF capacitor in series across the twisted pair Note The RUGGEDCOM RMC20 features built in pull up and pull down resistors As such external bias resi...

Page 30: ...5 5 6 4 1 RUGGEDCOM RMC20 Device With Built In Termination 2 Common Isolated Ground 3 Negative 4 Positive 5 Shield to Earth Connected At a Single Point 6 RS485 Devices 32 Total Figure 3 5 Recommended RS485 Wiring RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 21 ...

Page 31: ...Communication Ports 3 2 2 RS485 422 Data Ports 22 RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 ...

Page 32: ...ptic ports that can be ordered with the RUGGEDCOM RMC20 Note All optical power numbers are listed as dBm averages To convert from average to peak add 3 dBm To convert from peak to average subtract 3 dBm Maximum segment length is greatly dependent on factors such as fiber quality and the number of patches and splices Consult a Siemens Sales associate when determining maximum segment distances Wavel...

Page 33: ...ure 40 to 85 C 40 to 185 F a Typical May change based on which fiber optic transceivers are installed For more information refer to Fiber Optic Port Specifications Page 23 4 4 Mechanical Specifications Weight 0 68 kg 1 5 lbs Ingress Protection IP30 Enclosure 21 AWG Galvanized Steel 4 5 Dimension Drawings Note All dimensions are in millimeters unless otherwise stated 70 7 92 8 80 1 73 7 62 2 58 4 1...

Page 34: ...l Specifications 4 5 Dimension Drawings 121 7 113 8 105 7 57 2 4 0 11 4 35 6 58 4 62 2 67 3 109 0 96 1 82 2 Figure 4 2 Panel Mount Dimensions RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 25 ...

Page 35: ...Technical Specifications 4 5 Dimension Drawings 26 RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 ...

Page 36: ...2368 1 UL 62368 1 Information Technology Equipment Safety Part 1 General Requirements 5 1 2 European Union EU This device is declared by Siemens AG to comply with essential requirements and other relevant provisions of the following EU directives EN 62368 1 Information Technology Equipment Safety Part 1 General Requirements EN 61000 6 2 Electromagnetic Compatibility EMC Part 6 2 Generic Standards ...

Page 37: ...mful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference on his own expense 5 1 4 FDA CDRH This device meets the requirements of the following U S Food and Drug Administration FDA standard Title 21 Code of Federal Regulations CFR Chapter I Sub chapter J Rad...

Page 38: ...n A copy of the Declaration of Conformity is available via Siemens Industry Online Support at https support industry siemens com cs ww en view 89855782 5 1 8 RoHS This device is declared by Siemens AG to meet the requirements of the following RoHS Restriction of Hazardous Substances directives for the restricted use of certain hazardous substances in electrical and electronic equipment China RoHS ...

Page 39: ...DC Power Ports 2 kV Line to Earth 1 kV Line to Line 3 IEC 61000 4 5 Surge AC Power Ports 4 kV Line to Earth 2 kV Line to Line 4 Signal Ports 10 V 3 DC Power Ports 10 V 3 AC Power Ports 10 V 3 IEC 61000 4 6 Induced Conducted RFI Earth Ground Ports 10 V 3 40 A m continuous 1000 A m for 1 s Note a IEC 61000 4 8 Magnetic Field Enclosure Ports 1000 A m for 1 s 5 DC Power Ports 30 for 0 1 s 60 for 0 1 s...

Page 40: ...rts 4 kV AC Power Ports 4 kV Fast Transient Earth Ground Ports 4 kV Signal Ports 2 5 kV common mode 1MHz DC Power Ports 2 5 kV common 1 kV differential mode 1MHz Oscillatory AC Power Ports 2 5 kV common 1 kV differential mode 1MHz Signal Ports 5 kV Failsafe Relay DC Power Ports 5 kV HV Impulse AC Power Ports 5 kV Signal Ports 2 kV DC Power Ports 1 5 kV Dielectric Strength AC Power Ports 2 kV Envir...

Page 41: ...d Environmental Type Tests Test Description Test Levels Severity Levels IEC 60255 21 1 Vibration 2 g 10 150 Hz Class 2 IEC 60255 21 2 Shock 30 g 11 ms Class 2 32 RUGGEDCOM RMC20 Installation Manual 04 2021 C79000 G8976 1007 10 ...

Page 42: ...ttps www siemens com ruggedcom Industry Online Support service and support https support industry siemens com Industry Mall https mall industry siemens com Siemens AG Digital Industry Process Automation Postfach 48 48 90026 NÜRNBERG GERMANY ...

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