Siemens X-400 User Manual
SIMATIC NET
Operating Instructions for
SCALANCE X-400
Industrial Ethernet Switches
Preface, Contents
Introduction to
Industrial Ethernet Switches
System Description of
SCALANCE X-400
Product Description of
SCALANCE X-400
Media Modules, Covers,
Dummy Cover
Extender Modules
1
2
3
4
5
C79000-G8976-C186-03
Release 11/2005
Installation and
Commissioning
Technical Specifications
Approvals, Certificates
Glossary, Index
6
7
y
r
Classification of Safety-Related Notices
This document contains notices which you should observe to ensure your own personal safety, as well as to protect the product and connected equipment. These notices are highlighted in the manual by a warning triangle and are marked as follows
according to the level 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 can result if proper precautions are not
taken.
Caution
with warning triangle indicates that minor personal injury can result if proper precautions are not taken.
Caution
without warning triangle indicates that damage to property can result if proper precautions are not taken.
Notice
indicates that an undesirable result or status can occur if the relevant notice is ignored.
Note
highlights important information on the product, using the product, or part of the documentation that is of particular importance and that will be of benefit to the user.
© Copyright Siemens AG, 1998 to 2005 - All rights reserved
The reproduction, transmission or use of this document or its
contents is not permitted without express written authority.
Offenders will be liable for damages. All rights, including rights
created by patent grant or registration of a utility model or design,
are reserved.
Siemens AG
Automation and Drives
Industrial Communication
Postfach 4848, D-90327 Nürnberg
Siemens Aktiengesellschaft Printed in the Federal Republic of Germany 2
Disclaimer
We have checked the contents of this manual for agreement with
the hardware and software described. Since deviations cannot be
precluded entirely, we cannot guarantee full agreement. However,
the data in this manual are reviewed regularly and any necessar
corrections included in subsequent editions. Suggestions fo
improvement are welcome.
C79000-G8976-C186-03
Technical data subject to change.
Trademarks
SIMATIC®, SIMATIC NET®, SCALANCE® and SIMATIC NET Networking for Industry® are registered trademarks of Siemens AG.
Third parties using for their own purposes any other names in this document which refer to trademarks might infringe upon the rights of the trademark owners.
Safety Instructions Regarding your Product
Before you use the product described here, read the safety instructions below thoroughly.
Notice
When using a SCALANCE X-400 in the ring (HSR, High Speed Redundancy), check
the RM DIL switch before closing the ring cable. If the SCALANCE X-400 adopts the
function of a redundancy manager, the switch must be set to ON. If the SCALANCE
X-400 is not being used as a redundancy manager, the switch must be set to OFF.
Notice
When using a SCALANCE X-400 in redundancy manager mode (RM = ON), check
whether the DIL switches R1 and R2 select the required ring ports before closing the
ring. If ports other than those set are connected to the ring, they cause a ring shortcircuit and overload the network.
Notice
When supplied, the DIL switches R1 and R2 are set to OFF. This means that the gigabit ports on slot 5 are defined as ring ports and ring redundancy is activated. In this
case, you cannot activate rapid spanning tree / spanning tree.
Notice
If a device is replaced, remember the following points relating to a SCALANCE X-400
switch:
● Make the same settings on the DIL switches as they were on the old device.
● Make sure that you use a media module and extender configuration that is iden-
tical to that of the old device.
● Use the C-PLUG of the old device in the new one so that your device configuration is adopted.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
3
Personnel Qualification Requirements
Only qualified personnel should be allowed to install and work on this equipment.
Qualified personnel as referred to in this manual or in the warning notes are defined
as persons who are familiar with the installation, assembly, startup and operation of
this product and who possess the relevant qualifications for their work, e.g.:
● Training in or authorization for connecting up, grounding or labeling circuits and
devices or systems in accordance with current standards in safety technology
● Training in or authorization for the maintenance and use of suitable safety equip-
ment in accordance with current standards in safety technology
● First aid qualification
Correct Usage of Hardware Products
Please note the following regarding the correct usage of hardware products:
Caution
This device may only be used for the applications described in the catalog or the technical description and only in connection with devices or components from other
manufacturers which have been approved or recommended by Siemens.
This product can only function correctly and safely if it is transported, stored, set up,
and installed correctly and operated and maintained as recommended.
Before you use the supplied sample programs or programs you have written yourself,
make certain that no injury to persons nor damage to equipment can result in your
plant or process.
EU Directive: Do not start up until you have established that the machine on which
you intend to run this component complies with the directive 89/392/EEC.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
4 C79000-G8976-C186-03
Correct Usage of Software Products
Please note the following regarding the correct usage of software products:
Caution
This software may only be used for the applications described in the catalog or the
technical description and only in connection with software products, devices, or components from other manufacturers which have been approved or recommended by
Siemens.
Before you use the supplied sample programs or programs you have written yourself,
make certain that no injury to persons nor damage to equipment can result in your
plant or process.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
5
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
6 C79000-G8976-C186-03
Preface
Purpose of the Operating Instructions
These operating instructions describe the functions of the SCALANCE X-400
product line of modular Industrial Ethernet switches and support you during installation, commissioning and troubleshooting on site. You will find information on configuration in the separate SCALANCE X-400 Configuration Manual.
Validity of the Operating Instructions
These operating instructions are valid for the following products:
● Industrial Ethernet Switches SCALANCE X414-3E
order number: 6GK5 414-3FC00-2AA2
● Media module MM491-2
order number: 6GK5 491-2AB00-8AA2
● Media module MM491-2LD
order number: 6GK5 491-2AC00-8AA2
● Media module MM492-2
order number: 6GK5 492-2AL00-8AA2
● Media module MM492-2LD
order number: 6GK5 492-2AM00-8AA2
● Extender module EM495-8
order number: 6GK5 495-8BA00-8AA2
● Extender module EM496-4
order number: 6GK5 496-4MA00-8AA2
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
7
Preface
Further Documentation
For help on configuration and diagnostics using Web-based management, the CLI
command line, or SNMP, refer to the following documentation:
● SCALANCE X-400 Configuration Manual
C79000-G8976-C187-01
This documentation is available on the Internet at
http://support.automation.siemens.com/WW/view/en/19625108
● SIMATIC NET Twisted Pair and Fiber-Optic Networks
C79000-G8976-C125-02
This documentation is available on the Internet at
http://support.automation.siemens.com/WW/view/en/8763736
Standards and Approvals
The devices of the SCALANCE X-400 product line meet the requirements for CE
marking. For more detailed information, refer to the appendix of these Operating
Instructions.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
8 C79000-G8976-C186-03
Contents
1 Introduction to Industrial Ethernet Switches ............................................................ 11
1.1 Basic Information ............................................................................................... 11
1.2 Topologies ......................................................................................................... 13
1.2.1 Ring with Redundancy Manager ....................................................................... 13
1.2.2 Star Structure..................................................................................................... 16
1.2.3 Line Structure .................................................................................................... 18
1.2.4 Redundant Linking of Network Segments ......................................................... 19
2 System Description of SCALANCE X-400.................................................................. 21
2.1 Properties, Functionality and Features of SCALANCE X-400 .......................... 21
2.2 Ports of SCALANCE X-400 ............................................................................... 24
2.2.1 10Base-T / 100Base-TX .................................................................................... 24
2.2.2 1000Base-TX ..................................................................................................... 26
2.2.3 100Base-FX ....................................................................................................... 27
2.2.4 1000Base-SX..................................................................................................... 29
2.2.5 1000Base-LX ..................................................................................................... 30
2.3 Compatibility of SCALANCE X-400 ................................................................... 31
3 Product Description of SCALANCE X-400................................................................. 33
3.1 SCALANCE X414-3E Basic Device .................................................................. 33
3.1.1 Power Module .................................................................................................... 39
3.1.2 Digital Inputs ...................................................................................................... 41
3.1.3 Switch CPU........................................................................................................ 42
3.1.4 C-PLUG (Configuration Plug) ............................................................................ 44
3.1.5 Ports................................................................................................................... 47
4 Media Modules, Covers, Dummy Cover ..................................................................... 49
4.1 Media Modules .................................................................................................. 49
4.1.1 Fast Ethernet Media Module MM491-2 (100Base-FX) ..................................... 51
4.1.2 Fast Ethernet Media Module MM491-2LD (100Base-FX) ................................. 52
4.1.3 Gigabit Media Module MM492-2 (1000Base-SX) ............................................. 53
4.1.4 Gigabit Media Module MM492-2LD (1000Base-LX) ......................................... 54
4.2 Covers, Dummy Cover ...................................................................................... 55
4.2.1 Covers ............................................................................................................... 55
4.2.2 Dummy Cover .................................................................................................... 59
5 Extender Modules......................................................................................................... 61
5.1 Twisted Pair Extender EM495-8........................................................................ 61
5.2 Media Module Extender EM496-4 ..................................................................... 63
6 Installation and Commissioning ................................................................................. 67
6.1 Installing / Removing the SCALANCE X414-3E................................................ 67
6.1.1 Installing / Uninstalling with an S7-300 Rail ...................................................... 68
6.1.2 Installing / Uninstalling with a 35 mm Standard Rail ......................................... 70
6.2 Installing / Removing the Media Modules, Covers and Dummy Cover............. 72
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
9
Contents
6.2.1 Installing / Removing a Media Module .............................................................. 72
6.2.2 Fitting / Removing the Covers ........................................................................... 74
6.2.3 Fitting / Removing a Dummy Cover................................................................... 75
6.3 Installing / Removing Extender Modules ........................................................... 76
6.3.1 Installing / Removing the Twisted Pair Extender ............................................... 76
6.3.2 Installing / Removing the Media Module Extender ............................................ 82
6.4 Slot Numbers of the Modules and Covers......................................................... 88
6.5 Factory Defaults................................................................................................. 89
6.6 Ports................................................................................................................... 90
6.6.1 Power Supply Connectors (X1) ......................................................................... 90
6.6.2 Connectors of the Signaling Contact and Grounding Strap (X2) ...................... 91
6.6.3 Digital Input Connectors (X1) ............................................................................ 92
6.6.4 Digital Input Connectors (X2) ............................................................................ 93
6.6.5 Connectors for the Twisted Pair Cables ............................................................ 94
6.6.6 Connectors for Fiber-Optic Cables .................................................................... 99
6.7 Operator Controls ............................................................................................ 101
6.7.1 DIL Switches .................................................................................................... 101
6.7.2 SELECT / SET Button ..................................................................................... 105
6.8 LED Display ..................................................................................................... 106
6.8.1 Startup Behavior of the SCALANCE X414-3E ................................................ 107
6.8.2 Selecting the Display Modes ........................................................................... 108
6.8.3 LED Display - Power Module........................................................................... 109
6.8.4 LED Display - DI Module ................................................................................. 111
6.8.5 LED Display - Switch CPU .............................................................................. 112
6.8.6 LED Display of the Ports (DMode A through DMode D) ................................. 113
6.9 Replacing the C-PLUG .................................................................................... 117
6.10 Show Location ................................................................................................. 118
7 Technical Specifications ........................................................................................... 119
7.1 SCALANCE X414-3E ...................................................................................... 119
7.2 Media Module MM491-2 (100Base-FX) .......................................................... 123
7.3 Media Module MM491-2LD (100Base-FX)...................................................... 124
7.4 Media Module MM492-2 (1000Base-SX) ........................................................ 125
7.5 Media Module MM492-2LD (1000Base-LX).................................................... 126
7.6 Extender Module EM495-8.............................................................................. 127
7.7 Extender Module EM496-4.............................................................................. 129
8 Approvals, Certificates .............................................................................................. 131
9 Glossary ...................................................................................................................... 139
10 Index ............................................................................................................................ 145
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
10 C79000-G8976-C186-03
Introduction to Industrial Ethernet Switches
1.1 Basic Information
Switching
With switching technology, data packets are forwarded directly from the input port
to the appropriate output port during data exchange based on the address information. Switches operate on a direct delivery basis.
Essentially, switches have the following functions:
● Connection of Collision Domains / Subnets
Since repeaters and star couplers (hubs) operate at the physical level, their use
is restricted the span of a collision domain. Switches connect collision domains.
Their use is therefore not restricted to the maximum span of a repeater network.
On the contrary, switches allow extremely large networks with spans of 150 km
to be set up and when using LD modules, even up to 1300 km.
1
● Containing Load
By filtering the data traffic based on the Ethernet (MAC) addresses, local data
traffic remains local. In contrast to repeaters or hubs, which distribute data unfiltered to all ports / network nodes, switches operate selectively. Only data intended for nodes in other subnets is switched from the input port to the appropriate output port of the switch. To make this possible, a table assigning
Ethernet (MAC) addresses to output ports is created by the switch in a “teachin" mode.
● Limitation of Errors to the Network Segment Affected
By checking the validity of a data packet on the basis of the checksum which
each data packet contains, the switch ensures that bad data packets are not
transported further. Collisions in one network segment are not passed on to
other segments.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
11
Introduction to Industrial Ethernet Switches
The Need for Industrial Ethernet Switches
With over 80% of LANs based on Ethernet, this is the most commonly used technology. The use of switches is particularly important: They allow extensive networks with large numbers of nodes to be set up, increase the data throughput and
simplify network expansion.
The modular SCALANCE X-400 Industrial Ethernet switches from SIMATIC NET
are designed for use in high-performance networks that will also meet future requirements. Thanks to their modular design, the switches can be adapted to the
task in hand in terms of number of ports and transmission medium. Support of Office standards makes the smooth integration of automation networks in existing office networks possible.
The devices are designed for use in switching cubicles and cabinets.
Technical Options (network topologies)
The modularity of SCALANCE X-400 switches simplifies the expansion of a network regardless of the network topology.
You can use a SCALANCE X-400 in the following network topologies:
● Ring with redundancy manager
● Star structure
● Line structure
The maximum cable length is 26 km for single mode fast Ethernet transmission
and 10 km for single mode gigabit transmission. Mixed operation within the topology, for example between SCALANCE X414-3E and OSMs/ESMs is possible regardless of the structure being used (ring with redundancy manager, star, or line
structure).
Using the SCALANCE X-400 as the redundancy manager in a ring with redundancy manager provides greater availability. If there is an interruption on the connection between these switches, the SCALANCE X-400 used as redundancy manager acts like a switch and in a very short time creates a line from the ring with redundant manager. As a result, a functional, end-to-end structure is restored.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
12 C79000-G8976-C186-03
1.2 Topologies
1.2.1 Ring with Redundancy Manager
To increase the availability, optical or electrical line topologies of up to 50 switches
(SCALANCE X-400, SCALANCE X-200, or OSM/ESM) can be closed with a
SCALANCE X414-3E to form a ring.
Functional Description
With a SCALANCE X414-3E operating as a redundancy manager, the two ends
are closed to form a ring with redundancy manager. The redundancy function is
activated or deactivated by switches on the Switch CPU.
In contrast to the ring ports of the other switches, the ring ports of the redundancy
manager are disconnected when the network is operating problem-free. The
SCALANCE X414-3E working in redundancy manager mode monitors the connected line over its ring ports and connects the ring ports if there is an interruption
on the connected line; in other words, it restores a functioning line over this substitute path. Reconfiguration is achieved within 0.3 s. As soon as the problem is
eliminated, the original topology is restored; in other words, the ring ports in the redundancy manager are disconnected from each other again.
Introduction to Industrial Ethernet Switches
In a ring with redundancy manager, there can only be one switch configured as a
redundancy manager.
Connection of Other Network Segments or End Devices
At all ports of slots 9 to 11 or at the ports of a twisted pair extender module of the
SCALANCE X414-3E as well as at all other switches in the ring with redundancy
manager, further end devices or entire subnets can be attached using twisted pair
cable (TP cable).
The use of a media module extender in the redundancy manager and in all other
switches in this network structure provides the option of connecting further end devices or complete subnets with FO cable.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
13
Introduction to Industrial Ethernet Switches
Electrical Ring
A redundant electrical ring with redundancy manager can be set up without media
modules since the basic device provides two RJ-45 jacks on slot 5 that allow connection of electrical (twisted pair) connections (10, 100, 1000 Mbps). The factory
setting defines the two ports on slot 5 as ring ports.
Optical Ring
An optical ring with redundancy manager is only possible with media modules.
Which slots or ports should be used, depends on the selected transmission rate.
The ports that can be used as ring ports are located on the media modules that
can be used in slots 5, 6 and 7. As an alternative to optical gigabit transmission,
the two ports on slot 6 or the first ports of slot 6 and 7 can be configured as ring
ports for an optical fast Ethernet connection.
● Slot 5
equipped with MM492-2 or with MM492-2LD allows the ring to be operated as
an optical gigabit ring with redundancy manager.
● Slot 6 / slot 6 and 7 (in each case only port 1)
equipped with MM491-2 or with MM491-2LD allows operation of an optical fast
Ethernet ring with redundancy manager.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
14 C79000-G8976-C186-03
Configuration Example
Sample configurations with SCALANCE X414-3E, SIMATIC S7-200/300/400, operator control and monitoring system, H system and PC as end devices.
Introduction to Industrial Ethernet Switches
SCALANCE X-400
RM
S7-300
H-System H-System
1000
Mbit/s
SCALANCE
X-400
SCALANCE X-400
S7-200
10/100
Mbit/s
S7-400
Figure 1-1 Gigabit ring with redundancy manager (RM)
S7-400
S7-400
PC
PC
Switch
SCALANCE
X-400
S7-300
Fiber Optic
S7-300
PC
S7-300
PC
S7-400
S7-400
Figure 1-2 Ring with FO cable and redundancy manager
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
Switch
SCALANCE
X204-2
S7-400
PC
S7-400
15
Introduction to Industrial Ethernet Switches
1.2.2 Star Structure
Functional Description
Star structures can be implemented with the SCALANCE X414-3E. The cascading
depth and total span of a network are limited only by the signal propagation times
of the communication connections.
Properties of a Star Structure
Each SCALANCE X414-3E communicates over a TP or FO cable with a central
switch with which all other switches are also connected within a star structure.
Communication is possible over the optical ports in slots 5, 6, or 7 or over the electrical ports in slots 5 and 9 to 11. With the fault mask, it is possible to monitor the
port states using the signaling contact. In addition to connecting the switches to the
central SCALANCE X414-3E, it is also possible to connect one or more end devices.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
16 C79000-G8976-C186-03
Configuration Example
Sample configurations electrical / optical with SCALANCE X-400,
SCALANCE X-200, SIMATIC S7-300/400, SIMATIC ET 200 and operator panel as
end devices.
Introduction to Industrial Ethernet Switches
SCALANCE X414-3E
SCALANCE
X414-3E
S7-300S7-400
SCALANCE
X208
ET 200S ET 200S ET 200S
S7-400 S7-300 S7-300
ET 200S
SCALANCE
X208
ET 200S
SCALANCE
X208
ET 200S
Figure 1-3 Star structure (Electrical)
SCALANCE X-400
Fiber Optic
SCALANCE
X206-1
S7-300S7-400 ET 200S
SCALANCE
X206-1
S7-400 S7-300 S7-300
SCALANCE
X206-1
SCALANCE
X206-1
ET 200S ET 200S ET 200S
ET 200S
Figure 1-4 Star structure (Optical)
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
ET 200S ET 200S
17
Introduction to Industrial Ethernet Switches
1.2.3 Line Structure
Functional Description
Line structures can be implemented with the SCALANCE X414-3E. The cascading
depth and total span of a network are limited only by the signal propagation times
of the communication connections.
Properties of the Line Structure
Each SCALANCE X414-3E communicates over a TP or FO cable with a neighboring switch. Communication is possible over the optical ports in slots 5, 6, or 7 or
over the electrical ports in slots 5 and 9 to 11. With the fault mask, it is possible to
monitor the port states using the signaling contact. In addition to interconnecting
the switches, it is also possible to connect one or more end devices to every
SCALANCE X414-3E.
Configuration Example
Sample configuration with SCALANCE X414-3E, SIMATIC S7-300/400 and operator panel as end devices.
Fiber Optic
SCALANCE
X414-3E
Figure 1-5 Line structure (Optical)
SCALANCE
X414-3E
S7-300S7-400 ET 200SS7-400 S7-300 S7-300
S7-300S7-400
ET 200SET 200S ET 200S ET 200S
SCALANCE
X414-3E
SCALANCE
X414-3E
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
18 C79000-G8976-C186-03
Introduction to Industrial Ethernet Switches
1.2.4 Redundant Linking of Network Segments
The example of redundant linking of two network segments as shown here is possible only when linking between X414 because the standby function of the X414 is
required.
RM
SCALANCE X414-3ESCALANCE X414-3E
S7-300
RM
1000
Mbit/s
SCALANCE
X-414-3E
SCALANCE
X-414-3E
1000
Mbit/s
SCALANCE
X-414-3E
S7-200
10/100
Mbit/s
S7-400
Figure 1-6 Redundant linking of two subnets
In this case, network segments are rings with a redundancy manager (RM). The
rings can also be interrupted at one point (linear topology).
For a redundant link as shown in the figure, two devices must be configured within
a network segment. This configuration is set in Web Based Management, Command Line Interface or using SNMP access. For more detailed information, refer to
the Configuration Manual SCALANCE X-400 Industrial Ethernet Switches.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
19
Introduction to Industrial Ethernet Switches
The two devices connected in the configuration exchange data frames with each
other to synchronize their operating statuses (one device is master and the other
slave). If there are no problems, only the link from the master to the other network
segment is active. If this link fails (for example due to a link-down or a device failure), the slave activates its link as long as the problem persists.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
20 C79000-G8976-C186-03
System Description of SCALANCE X-400
2.1 Properties, Functionality and Features of SCALANCE X-400
This chapter explains special properties, features and options available to you with
the SCALANCE X-400 product line.
2
The basic device consists of the frame, the power supply, digital inputs and a
Switch CPU.
SCALANCE X-400 provides a modular structure for the required ports. This modularity simplifies setup and subsequent expansion of complex network topologies to
meet current needs.
● Gigabit technology
The basic device has ports with a transmission rate of 1 Gbps for electrical cables (twisted pair) or by adding a gigabit media module for fiber-optic cables
(FO).
● With SCALANCE X-400, it is possible to split the ring ports into two different
slots (fast Ethernet module - slots 6 and 7). If one of the media modules fails,
operation can be maintained as a line structure. A defective module can be replaced during operation.
● Diagnostics
Remote diagnostic options are available with Web-based management, TelNet,
or SNMP.
● The basic device has a signaling contact for local operator control.
● An Ethernet interface is available for diagnostics and management purposes.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
21
System Description of SCALANCE X-400
● C-PLUG
When replacing a device, the C-PLUG can be removed and inserted in the new
device so that the configuration can be retained.
● VLAN
SCALANCE X-400 has port-based support of virtual networks (VLAN). A physical network can be divided into several virtual networks. This results in less network load compared with other defined VLANs.
● Spanning Tree / Rapid Spanning Tree
SCALANCE X-400 can process both the Spanning Tree Protocol (STP) and the
Rapid Spanning Tree Protocol (RSTP). This prevents circulating packets and, in
the event of a link going down, quickly provides an alternative path. With the
spanning tree protocol, the reconfiguration time is between 20 and 30 seconds,
with rapid spanning tree, it is approximately one second. Spanning tree / rapid
spanning tree is disabled as default.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
22 C79000-G8976-C186-03
Components of SCALANCE X-400
The following table shows the components of SCALANCE X-400:
Component Function Figure
Basic device consisting
of
Backplane
Power module
DI module
Switch CPU
Two 1000BaseTX
interfaces
Twelve 100BaseTX
interfaces
Extender interface
Media module fiberoptic 1000 Mbps
The power module converts the 24 V input power
into the internal operating
voltage of the basic device.
There are eight digital inputs for feeding in external signals.
The Switch CPU manages the data traffic. The
CPU also has a serial and
an Ethernet port.
Expands the basic device
by two gigabit fiber-optic
ports.
System Description of SCALANCE X-400
S I E M E N S
S C A L A N C E
X -4 0 0
X 4 14 - 3E
S W ITC H C P U
F
L 1
L 2
R M
IN 1 /I N 5
IN 2 /I N 6
S T B Y
IN 3 /I N 7
D M 1
D M 2
IN 4 /I N 8
S EL E CT /S ET
For example SCALANCE X414-3E
M M 4 9 2 - 2
F O 2 x 1 00 0
P 1
P 2
C V 4 90
C OV E R
Media module
100 Mbps
Expands the basic device
by two fast Ethernet fiberoptic ports.
Twisted pair extender Expands the basic device
by eight fast Ethernet
ports with RJ-45 jacks.
Media module extender Expands the basic device
by four slots for fast
Ethernet media modules.
For example MM492-2
M M 4 9 2 - 2
F O 2 x 1 00 0
P 1
P 2
For example MM491-2
EM495-8
EM496-4
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
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23
System Description of SCALANCE X-400
2.2 Ports of SCALANCE X-400
SCALANCE X-400 provides you with electrical ports that can be used as gigabit
and ring ports. The expansion with media modules provides you with additional optical ports. By using an extender module, you can increase the number of ports by
a maximum of eight ports.
2.2.1 10Base-T / 100Base-TX
Transmission Rate
The transmission rate of the electrical ports is 10 Mbps or as fast Ethernet ports
100 Mbps.
Transmission Mode
The transmission mode for 10Base-T / 100Base-TX is specified in the IEEE 802.3i
/ IEEE 802.3u standards of the Institute of Electrical and Electronic Engineers.
Autonegotiation (automatic detection of the best transmission modes) is standard.
The order in which they are selected is:
● 100Base-TX full duplex
● 100Base-TX half duplex
● 10Base-T full duplex
● 10Base-T half duplex
Two communication modes are possible:
● Half duplex mode
two-way alternate - it is only possible to either send or receive over the interfaces at any one time.
● Full duplex mode
two-way simultaneous - both communication partners can send and receive at
the same time.
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Connections to other switches can use half or full duplex; connections to hubs are
possible only in half duplex mode.
Transmission medium
Data transmission at 10 Mbps and at 100 Mbps is over two wire pairs (pin 1, 2, 3,
6) of the twisted pair cable. For 10 Mbps, at least a category 3 (Cat 3) and for 100
Mbps, at least a four wire cable (2x2) is necessary.
Transmission range
The maximum transmission distance (segment length) is 100 m.
Connectors
System Description of SCALANCE X-400
The connectors used are 8-pin RJ-45 jacks with securing collars.
The securing collar in conjunction with the cover ensures a flush fit and the locking
mechanism with the PROFINET-compliant male connector IE FC RJ-45 Plug 180
provides a rugged node attachment suitable for an industrial environment that provides strain and bending relief for the RJ-45 jack.
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System Description of SCALANCE X-400
2.2.2 1000Base-TX
Transmission Rate
The transmission rate of the electrical gigabit ports is 1 Gbps.
Transmission Mode
The transmission mode for 1000Base-TX is specified in the IEEE 802.3ab standard.
At 1 Gbps, autonegotiation is optional.
Two communication modes are possible:
● Half duplex
● Full duplex
Transmission Medium
Data is transmitted over an 8-wire twisted pair cable.
Notice
For data transmission at 1 Gbps, at least Cat 5e twisted-pair cabling with 4x2 wires
is required. With a four wire cable (2x2), the maximum possible data rate is 100
Mbps.
Transmission Range
The maximum transmission distance (segment length) is 100 m.
Connectors
The connectors used are 8-pin RJ-45 jacks.
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2.2.3 100Base-FX
Transmission Rate
The transmission rate of the optical fast Ethernet ports is 100 Mbps.
Transmission Mode
Transmission with 100Base-FX is defined in the IEEE 802.3u standard and is
specified as 100 Mbps transmission rate and full duplex.
Transmission Medium
Data transmission is over multimode or single mode fiber-optic cable (FOC). The
wavelength is 1310 nm.
System Description of SCALANCE X-400
Two FOC types can be used:
● Multimode FOC
The core diameter is 50 µm; the light source is an LED. Many modes (light
beams) are used for signal transmission. The propagation times of the light
pulses (dispersion) restrict the maximum range considerably.
● Single mode FOC
The core diameter is 9 or 10 µm; the light source is a laser diode. To transmit a
signal, only one mode (light beam) is used greatly reducing dispersion. As a result, the maximum range of single mode FOC is greater than that of multimode
FOC.
Regardless of the type used, the outer diameter of the FOC is 125 µm.
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System Description of SCALANCE X-400
Transmission Range
The maximum transmission range (segment length) depends on the module selected and the FOC. The range is as follows:
● 100Base-FX module and multimode GFOC: 3 km
● 100Base-FX-LD module and single mode FOC: 26 km
Connectors
BFOC connectors are used.
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2.2.4 1000Base-SX
Transmission Rate
The transmission rate of the optical gigabit ports is 1 Gbps.
Transmission Mode
Transmission with 1000Base-FX is defined in the IEEE 802.3z standard and is
specified as 1000 Mbps transmission rate and full duplex.
Transmission Medium
Data is transmitted over multimode FOC. The wavelength is 850 nm.
System Description of SCALANCE X-400
The core diameter of the multimode FOC is 50 µm; the light source is an LED.
Many modes (light beams) are used for signal transmission. The propagation times
of the light pulses (dispersion) restrict the maximum range considerably.
Transmission Range
The maximum transmission range (segment length) is 750 m when using SIMATIC
NET fiber-optic multimode FOC with SC duplex connectors.
Connectors
SC duplex female connectors are used.
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System Description of SCALANCE X-400
2.2.5 1000Base-LX
Transmission Rate
The transmission rate of the optical gigabit ports is 1 Gbps.
Transmission Mode
Transmission with 1000Base-LX is defined in the IEEE 802.3z standard and is
specified as 1000 Mbps transmission rate and full duplex.
Transmission Medium
Data is transmitted over single mode FOC. The wavelength is 1310 nm.
The core diameter of the single mode FOC is 9 or 10 µm; the light source is a laser
diode. To transmit a signal, only one mode (light beam) is used greatly reducing
dispersion. As a result, the maximum range of single mode FOC is greater than
that of multimode FOC.
Transmission Range
The maximum transmission range (segment length) is 10 km for single mode FOC.
Connectors
SC duplex female connectors are used.
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