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Siemens 7XV5655-0BB00 Manual

Modem for transmission of serial data or protocols from devices with an rs232, rs485 or fo interface via ethernet
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Manual 7XV5655-0BB00
7XV5655-0BB00
Manual
C53000-G1176-C175-3
Application Instructions
Serial Modem
Modem for transmission of serial data or protocols
from devices with an RS232, RS485 or FO interface via Ethernet
Page 1 of 79
C53000-G1176-C175-3
SIEMENS AG

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  • Page 1 Manual 7XV5655-0BB00 7XV5655-0BB00 Manual C53000-G1176-C175-3 Application Instructions Serial Modem Modem for transmission of serial data or protocols from devices with an RS232, RS485 or FO interface via Ethernet Page 1 of 79 C53000-G1176-C175-3 SIEMENS AG...

  • Page 2: Table Of Contents

    Manual 7XV5655-0BB00 CONTENTS General Information ...................... 3 Application ........................8 Description of Interfaces, DIP Switches and Displays ..........9 Mounting and Commissioning..................9 Practical Safety Information ..................9 Preparing the Operating PC or Service Notebook ............9 The Configuration Tool ....................9 Optimising Data Transfer ....................

  • Page 3: General Information

    Siemens office or from the addresses stated on the back of this manual. We should also like to point out that the contents of this product documentation are not part of any previous or existing agreement or legal relationship, nor are they apt to modify such an agreement or relationship.
  • Page 4 Directives in agreement with the generic standards EN 61000-6-2 and EN 61000-6-4 (for EMC Directive) and with the standard EN 60255-6 (for Low Voltage Directive) by Siemens AG. The device is designed and manufactured for application in industrial environments. The product conforms to the international standards of IEC 60255 and the German regulations of VDE 0435.
  • Page 5 Warning The 7XV5655-0BB00 is specifically intended for installation in a switchgear cubicle or distribution box. After installation, the entire area around the terminals must be appropriately covered.
  • Page 6 Manual 7XV5655-0BB00 Warning! Hazardous voltages occur in this electrical equipment during operation. Severe personal injury or property damage can result if the device is not handled with the appropriate care. Only qualified personnel should work on or around this equipment.
  • Page 7 Manual 7XV5655-0BB00 Scope of Supply • Serial Modem, device for DIN rail mounting • Gender changer, 9-way, male-male • CD with manual, configuration tool, and Serial Modem driver • Installation instructions Unpacking and Repacking The devices are factory-packed to meet the requirements of IEC 60255–21.

  • Page 8: Application

    Manual 7XV5655-0BB00 Application General Scope of Application The Serial Modem is designed for operation in industrial areas and substations. The Serial Modem enables devices with serial interfaces (RS232, RS485, or FO) to convert data to the UDP protocol and to transmit and receive data via a TCP/IP network.
  • Page 9 Manual 7XV5655-0BB00 Application in Substations When using a 7XV5655-0BB00 Serial Modem enables a protection unit to exchange serial data via an Ethernet network. The operating PC can also be linked to this Ethernet network via a 7XV5850 office modem or 7XV5655 Serial Modem.
  • Page 10 Manual 7XV5655-0BB00 Features Protocol detection for VDEW / IEC60870-5-101/103 and DIGSI® protocol (similar to IEC60870-5-103), UDP protocol without error detection and correction RS232/RS485 (switchable port) or FO interface for data transfer and modem configuration. Serial baudrate and data format to the terminals can be set from 2400 Bd to 115.2 kBd with data formats 8N1, 8N2, 8E1.

  • Page 11: Description Of Interfaces, Dip Switches And Displays

    RS232 Interface The terminal device (protection unit) (e.g. a SIPROTEC 4 unit) or a further device from ® the Siemens accessory program (e.g. a 7XV5300 or 7XV5450 star coupler for operating two or more SIPROTEC devices) ® can be connected directly to the RS232 port.
  • Page 12 RS232 interface. The terminal device (e.g. a SIPROTEC 4 unit) or a further device ® from the Siemens accessory program (e.g. 7XV5300 or 7XV5450 star coupler for operating two or more SIPROTEC ® devices) can be connected directly to the FO port.
  • Page 13 Manual 7XV5655-0BB00 To use the FO interface, DIP switch S2-2 must be set to match the FO idle state of the communications partner (ON or OFF). DIP switch S2-1 for RS232/485 selection must be set to RS232. DIP switches S1-1 and S1-2 must be set to OFF (see Fig. 5).
  • Page 14 Manual 7XV5655-0BB00 INIT Button The INIT button is for resetting the modem to its factory (default) settings and should only be operated by technically qualified personnel. It can be used to set a defined baudrate locally for service work. The default baudrate is 9600 8N1.
  • Page 15 Manual 7XV5655-0BB00 Meaning of Displays The LEDs indicate the state of the device and have the following meaning: Fig. 6: Connectors, displays (LEDs) and INIT button • GOK Device run: switched on, operating voltage OK device operational • System Slow flashing (approx. 1Hz): no connection to the terminal device fast flashing (approx.

  • Page 16: Mounting And Commissioning

    Manual 7XV5655-0BB00 Mounting and Commissioning This section is intended for experienced commissioning personnel. This personnel must be familiar with the commissioning of protection and control systems, with the management of power systems and with the relevant safety rules and standards.
  • Page 17 Manual 7XV5655-0BB00 Connecting the Device This describes the connection of all data and power supply lines that are necessary for safe operation. In the case of electrical installation, follow the rules governing mounting of power current equipment. Warning Always use wire end ferrules for stranded conductors.
  • Page 18 Manual 7XV5655-0BB00 Connection to the Sub D connector The Sub D connector must be fastened tightly after connection. The pin assignment is to be found in the relevant sections of this manual (page 41 ff). Ethernet Connection The Serial Modem is connected to the network, i.e. a router or switch, by using a patch cable via the RJ45 (10BaseT) connector.

  • Page 19: Practical Safety Information

    Manual 7XV5655-0BB00 Practical Safety Information As is the case for all electrical equipment, there are some basic safety precautions to be taken. These safety precautions are primarily for your own protection but also prevent damage to the device. Settings not described in the manual and changes to the device electronics can only be carried out by an authorised vendor.

  • Page 20: Preparing The Operating Pc Or Service Notebook

    Manual 7XV5655-0BB00 Preparing the Operating PC or Service Notebook Before commissioning the Serial Modem, the following precautions must be taken on the on the operating PC or service Notebook. This requires the following operating systems Windows® XP Prof. 32-Bit SP3 Windows®...
  • Page 21 Manual 7XV5655-0BB00 Changing the settings of the Serial Modem with a Terminal Program ® The terminal program (e.g. "HyperTerminal" in WINDOWS or the program ® ® „DIGSI Terminal“ for WINDOWS XP and WINDOWS 7) is required to make all settings relevant to security such as password protection and the valid IP addresses for call acceptance.
  • Page 22 Manual 7XV5655-0BB00 Installing the Modem Driver Before you can use the Serial Modem in a WINDOWS® application, the modem driver must first be installed in the WINDOWS® Control Panel. The modem driver may be found on the CD/DVD included, as well as in the Internet under: www.siemens.com/siprotec...
  • Page 23 Manual 7XV5655-0BB00 Add… installs a new modem driver in in WINDOWS®. If no modem driver has been installed yet, WINDOWS® automatically offers an installation window. Continue with OK. The modem must be selected manually. This is done by placing a checkmark in the Don't detect my modem;...
  • Page 24 Manual 7XV5655-0BB00 Select the correct drive (Copy manufacturer's files from) and go to the driver disk with the modem driver with Browse… Select the path in which the modem driver ipEtherModem.inf is located. Continue with Open Select modem model Siemens – ipEtherModem This driver carries a digital ®...
  • Page 25 Manual 7XV5655-0BB00 Select the serial port, e.g. COM1 to which the Serial Modem will later be connected. Continue with Next > Installation is completed with Finish After installing the modem driver, the PC must be re-started. Descriptions of the settings of the serial modem driver The (basic-) settings of the modem may be applied any time.
  • Page 26 Manual 7XV5655-0BB00 Overview of the installed modem drivers in WINDOWS®. With Properties, you can check settings of the selected modem and change them. To change the modem settings, select Change settings. Here you can set the maximum baudrate to the end device.
  • Page 27 Manual 7XV5655-0BB00 Configuring the LAN Interface of the Operating PC There are two ways of configuring the Serial Modem on a PC using the configuration tool via its Ethernet interface: Direct PC <–> modem LAN connection with "cross-over patch cable"...
  • Page 28 Manual 7XV5655-0BB00 The IP address is set under "Internet Protocol Version (TCP/IPvx)" by clicking the "Properties" button. To assign a fixed IP address, select "Use the following IP address" Under "IP address:", enter a free IP address for private networks, e.g. 192.168.10.100 Under "Subnet mask:"...
  • Page 29 Manual 7XV5655-0BB00 In the "Local area connection status" window, go "Support" if you want to check the settings of the LAN interface. Close the window again with the "Close" button. After you have started the configuration tool, the connected modem is found automatically and can be configured (see Section "Configuration tool").
  • Page 30 Manual 7XV5655-0BB00 PC <–> modem LAN connection in an existing network The modem is connected with a patch cable (not cross-over) to a hub or switch in an existing network to which the operating PC is also connected. The PC usually obtains a free IP address from the server.
  • Page 31 Manual 7XV5655-0BB00 Using "HyperTerminal" via the Serial Interface of a PC This terminal program is supplied as a standard feature of the operating system ® WINDOWS Start HyperTerminal under: "Start Programs Accessories Communications HyperTerminal" Enter a name for the new connection, e.g.
  • Page 32 Manual 7XV5655-0BB00 If the Serial Modem is connected to the PC, it is possible to read out the current settings with the AT&V command. These settings can be changed by entering "Hayes commands". See the section on "Control Commands" for further information.
  • Page 33 Manual 7XV5655-0BB00 For Windows XP and WINDOWS 7 the terminal program “DIGSI Terminal“ is available on the included CD/DVD as well as in the Internet under www.siemens.com/siprotec. After starting of the program, this is self-explanatory. - select COM-Port - set baud-rate as well as the data format - press the button “connect...

  • Page 34: The Configuration Tool

    Manual 7XV5655-0BB00 The Configuration Tool Installation of the configuration tool V15 Pre-requisite is one of the following operating systems: ® Microsoft Windows XP Prof. 32-Bit SP3 ® Microsoft Windows 7 Prof. 32-Bit SP1 ® Microsoft Windows 7 Prof. 64-Bit SP1 ®...
  • Page 35 Manual 7XV5655-0BB00 With “Browse…“ the pre-set installation path can be altered. Select the installation folder here or create a new folder Continue with “OK” By selecting “Install” the configuration tool is installed on the operating PC. Page 35 of 79...
  • Page 36 Manual 7XV5655-0BB00 When this window is displayed the installation has been completed successfully and the process is completed with “Finish”. The configuration tool may be started on the desktop of the PC/Notebook with the icon “Configuration Utility”. De-installation of the configuration tool ®...
  • Page 37 Manual 7XV5655-0BB00 Configuring the Serial Modem with the Configuration Tool The configuration tool provides a practical way of making "basic settings" such as modem name, IP address and baudrate of the Serial Modem. For this purpose, the configuration tool is started and finds all Serial Modems in the same network segment which it then lists in a table.
  • Page 38 Manual 7XV5655-0BB00 If this entry is "NO", the device is not in the local network in local Net segment. If the device is installed behind a router, the IP address cannot be changed. This prevents the device from being accessed unintentionally.
  • Page 39 Manual 7XV5655-0BB00 Set IP Address Enter a fixed IP address, Subnet-Mask and Default-Gateway for operation of the Serial Modems in a network. If the allocated IP-address and the Subnet-Mask are not compatible the properties can not be changed any more. In such an event please change the settings.
  • Page 40 "device is up again" appears. The configuration tool may be found on the included CD/DVD as well as in the Internet under www.siemens.com/siprotec Currently marked entry is deleted. Delete...
  • Page 41 Manual 7XV5655-0BB00 Add Device Manually If the Serial Modem is connected behind a router, it is not located automatically but must then be added manually ("Add Device manually"). This is done by entering its IP address in the required space. If the device can be accessed at this address, it is imported into the list.
  • Page 42 Manual 7XV5655-0BB00 Properties If the settings (Properties) are to be carried out or changed under Windows 7, the Configuration tool must be opened as Administrator. If the Tool has been started without administrative rights this is displayed in the header.
  • Page 43 Manual 7XV5655-0BB00 Modem Settings Under "modem", you can set how the modem behaves. Setting a checkmark activates the function in question. Answer incoming calls activates the automatic call acceptance after the first dialling tone. Local Echo on (E1) switches on the modem's echo.
  • Page 44 Manual 7XV5655-0BB00 RS232 Interface Settings (RS232 / RS485 / FO) These settings adapt the serial interface of the Serial Modem to that of the terminal device. The terminal device may, for example, be an operating PC or protection unit with a serial interface (SIPROTEC ).
  • Page 45 Manual 7XV5655-0BB00 TC57 Settings (Ethernet) If a frame in TC57 format is received via the RS232 interface, it is sent immediately via the Ethernet without a "timeout". This procedure clearly increases the performance of the connection and ensures uninterrupted transmission of frames.
  • Page 46 Manual 7XV5655-0BB00 INet Info This window provides up-to-date network information. The "Start" button transmits a ping to the serial Modem to ascertain the throughput time of the telegrams in the network. Throughput time + 10ms = ideal "Total Timeout" here <10ms + 10ms...

  • Page 47: Optimising Data Transfer

    Manual 7XV5655-0BB00 Optimising Data Transfer Great emphasis has been placed on compatibility in the design of this device. Due to the Ethernet, there are, however, some minor restrictions. Data is not transmitted in bytes to the network. This is done in data blocks via Ethernet.
  • Page 48 Manual 7XV5655-0BB00 Protocol Code TC57 for Transmission into the Ethernet This procedure considerably enhances transmission rates when TC57 compatible protocols are transmitted. If the RS232 interface detects a protocol package of this type, it is transmitted as a block via the Ethernet immediately, without waiting for a timeout to elapse.

  • Page 49: Control Commands

    Manual 7XV5655-0BB00 Control Commands Your Serial Modem is the latest in Ethernet modems and is equipped with the AT command set. To enter the AT commands, you require a terminal program, e.g.: ® "HyperTerminal". This program is part of MS WINDOWS and can be started under "Start - Programs - Accessories".
  • Page 50 Manual 7XV5655-0BB00 After the three Escape characters have been entered, the modem switches to command mode. There is, however, no transmission interrupt before a valid command line is recognised. Status: Online Mode Command: +++ [2-second pause] Status: Command Mode Command: ATO...

  • Page 51: Description Of At Commands

    Manual 7XV5655-0BB00 Description of AT Commands Hayes Commands The Hayes command set (AT commands) has over time developed into an industry standard among modem manufacturers. In addition to these, manufacturers use their own modem commands that are specific to the brand. Some of these commands are not compatible with modems of other manufacturers.
  • Page 52 Manual 7XV5655-0BB00 Returns to data mode. Note: By entering +++ you can switch to command mode during a modem connection, where AT commands can be executed. This does not break off the connection. The ATO command terminates the command mode.
  • Page 53 Manual 7XV5655-0BB00 Activates/deactivates modem echo. ATQ0 send echo ATQ1 no echo Valid IP addresses for call accept. ATRnumber=value (number = 0-9) ATR2=192.168.120.23 ATR2? read out register (see also AT&R) Ten IP addresses, for which calls are accepted, can be defined in the password configuration mode (registers 110-119).
  • Page 54 Manual 7XV5655-0BB00 Change passwords. ATZ=master password Changes the master password (default empty) ATZ1..9=User password Assign user password. ATZ1? Queries the set password for checking ATZ=<Enter> Deletes the master password. ATZ1..9=<Enter> Deletes the user password. Entries are only possible in password configuration mode (see ATP).
  • Page 55 Manual 7XV5655-0BB00 Ends password configuration mode AT&P Only possible in password configuration mode (see ATP). Outputs a list of all set IP addresses for call accept. AT&R Only possible in password configuration mode (see ATP and ATR). Displays the current configuration.

  • Page 56: Overview Of Registers

    Manual 7XV5655-0BB00 Overview of Registers The modem has internal registers, enabling you to modify its configuration (see also ATS command). Register Definition Default Options Auto answer [0..9] rings Number of rings Read only Escape character ASCII CR character 0x0d ASCII...

  • Page 57: Description Of Registers

    Manual 7XV5655-0BB00 Description of Registers Automatic call accept Range 0 … 9 rings Default In the S0 register, you can set the automatic call accept (auto answer). If S0 > 0, each incoming call is automatically answered. The value in S0 defines the number of rings the modem waits before it auto answers.
  • Page 58 Manual 7XV5655-0BB00 Range 0 … 127 decimal Default 10 (Linefeed) Register S4 defines the linefeed character. Backspace Character Range 0 … 32, 127 decimal Default 8 (Backspace) Register S5 defines the backspace character. Inactivity Timer Range 0 … 255 (from device software 14.x on)
  • Page 59 Manual 7XV5655-0BB00 Data Bits Range 7 … 8 Default In the S33 register, you can set the number of data bits. 7=7 Bits 8=8 Bits Format 7N1 (7 data bit and no parity) is invalid Stop Bits Range 1 … 2 Default In register S34, you can set the number of stop bits.
  • Page 60 Manual 7XV5655-0BB00 Range 5..255 ms Default 10 ms In register S36, you can set the character distance, i.e. the character interval. If the time between two received characters (bytes) is greater than the defined character timeout, all bytes received so far are sent to the Ethernet...
  • Page 61 Manual 7XV5655-0BB00 Select TC57 Type Range 0 ... 3 Default The IEC 60870–5–1 and IEC 60870–5–2 standards define four standard frame formats for the data link layer: 0 = Format FT 1.1 2 = Format FT 2 1 = Format FT 1.2 3 = Format FT 3 Frame formats FT 1.2, FT 2 and FT 3 have a frame of fixed length.
  • Page 62 Manual 7XV5655-0BB00 Password Blocking Time Range 0 ... 255 minutes Default 3 (minutes) The blocking time is set in register 82. After three incorrect password entries the modem allows no further password request until the blocking time has elapsed. (0 = function deactivated).
  • Page 63 Manual 7XV5655-0BB00 S102 Auto Remote Range xxx.xxx.xxx.xxx Default 0.0.0.0 In register S102, you can set the auto remote partner. Enter the IP address of the "communication partner" to which a connection is to be established automatically (leased line). After a connection break-off there is an automatic attempt at restoring the connection.

  • Page 64: Result Codes

    Manual 7XV5655-0BB00 Result Codes System return code as a character string or digits (see AT command ATV). If system result codes are not suppressed with ATQ1. Char string Digit Definition Command line processed CONNECT Successful connection setup RING Incoming call...
  • Page 65 Manual 7XV5655-0BB00 "Character Distance" is the maximum interval between two received characters. If this is exceeded, all characters received so far are transmitted into the Ethernet. The default value is 5 ms. Total read timeout Total read timeout Character timeout No transmission.
  • Page 66 Manual 7XV5655-0BB00 Protocol Code TC57 for Transmission into the Ethernet This procedure considerably enhances transmission rates when TC57 compatible protocols are transmitted. If the RS232 interface detects a protocol packet of this type, it is transmitted as a block via the Ethernet immediately without waiting for a timeout to elapse.

  • Page 67: Setting Up Password Protection

    Manual 7XV5655-0BB00 Setting Up Password Protection The Serial Modem features extensive password protection. This protects the called modem (substation modem) from unauthorised external access. The password is always transmitted encrypted via the Ethernet. Password protection can only be configured after entering the master password in the password configuration mode with the terminal program via the serial interface, i.e.

  • Page 68: Selecting A Password-Protected Serial Modem

    Manual 7XV5655-0BB00 Password Blocking Time A password blocking time can be defined in register S82. After three incorrect password entries the modem allows no further password request until the blocking time has elapsed. ATS82=2 blocking time of two minutes Saving Changes: All changes are only applied when they are saved.

  • Page 69: Valid Ip Addresses For Call Accept

    Manual 7XV5655-0BB00 Valid IP Addresses for Call Accept To enhance the security of the called Serial Modem, the user can restrict call acceptance only to a number of permanently stored IP addresses. Activating Password Configuration Mode The settings can only be made in password configuration mode. You can enter this mode for the first time by entering ATP<Enter>.

  • Page 70: Pin Assignment

    Manual 7XV5655-0BB00 Pin Assignment The cables for RS232 and RS485 are connected to the same port and selected using the DIP switches. RS232 Interface SERIAL PORT Richtung Definition 9-pin SubD connector Screen INPUT RXD Receive Data OUTPUT TXD Transmit Data...
  • Page 71 Manual 7XV5655-0BB00 Ethernet Interface Ethernet connector RJ 45 Name Definition Transmit Data+ Transmit Data- Receive Data+ Not connected Not connected Receive Data- Not connected Not connected Ethernet RJ45 connector Auxiliary Voltage and Earth Connection 3-way terminal block Name Definition Vaux...
  • Page 72 Manual 7XV5655-0BB00 Connecting Cable RS232 connection options: 1) PC/laptop to the Serial Modem (office) plug in serial DIGSI cable directly 2) PC/laptop to the protection unit plug in serial DIGSI cable directly 3) Station modem to SIPROTEC 4 or plug in serial DIGSI cable via gender...

  • Page 73: Technical Data

    Manual 7XV5655-0BB00 Technical Data 24 V – 250 V DC +/-20 % Auxiliary voltage 60 V – 230 V AC +/-20 % , 45-65 Hz, 2.5 W DC Power input 14 VA AC T 2A/250 V AC and 250 V DC Line-side fuse acc.

  • Page 74: Dimensions

    Manual 7XV5655-0BB00 Connection type 9-way SubD connector, 4/40 UNC screw connection Pin assignment See Pin Assignment Cable length RS232 Max. 10 m / 3280 feet Baud rate 2400 to 115200 baud, Rxd, Txd Parity : None, Even, Odd, Mark, Space...
  • Page 75 Manual 7XV5655-0BB00 IEC 60255 (product standard) Standards: IEEE Std C37.90.0/.1/ VDE 0435 For more standards, see each function Insulation tests Standards: IEC 60255-5 and IEC 60870-2-1 Voltage test (100% test) all circuits except 2.5 kV (rms), 50 Hz auxiliary voltage and communication interfaces Voltage test (100% test) on auxiliary voltage 3.5 KV DC...
  • Page 76 Manual 7XV5655-0BB00 10 V; 150 KHz – 80 MHz; 80 % AM, 1 KHz Conducted RF, amplitude-modulated IEC61000-4-6, Class III 0.5 mT; 50 Hz Magnetic field with power Class IV: 30 A/m continuous; 300 A/m for 3s; frequency EN61000-4-8 50Hz IEC60255-6 2.5 KV (peak);...
  • Page 77 Manual 7XV5655-0BB00 Climatic tests Recommended operating temperature 0 °C to 55 °C Limit temp. during operation -5 °C to +70 °C Limit temp. during storage -25 °C to +55 °C (factory packing) Limit temp. during transport -25 °C to +70 °C (factory packing) 80 % at temperatures up to 31 °C,...
  • Page 78 Manual 7XV5655-0BB00 Dimensions C53000-G1176-C175-3 Page 78 of 79 SIEMENS AG...

  • Page 79: Ordering Information

    Manual 7XV5655-0BB00 Ordering Information Name Order No. Serial Modem 7 X V 5 6 5 5 0 B B 0 0 10BaseT connection 10/100 Mbits, RJ45 connector Serial RS232/485 interface 9-way Sub D connector Gender changer (male-male) FO interface, ST connection DIN rail mounted device for 35mm rail Aux.

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