Siemens SCALANCE X-400 Administrator guide

SCALANCE X- 
400 extender modules
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SIMATIC NET
Industrial Ethernet switches
SCALANCE X-400 extender
modules
Compact Operating Instructions
04/2013
A5E00367421-10
Introduction
1
Safety instructions
2
Description
3
Assembly
4
Certification
5
Technical specifications
6
Graphics
7

Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
GERMANY
Order number: A5E00367421
Ⓟ 04/2013 Technical data subject to change
Copyright © Siemens AG 2009 - 2013.
All rights reserved
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree 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 may result if proper precautions are not taken.
CAUTION
indicates that minor personal injury can result if proper precautions are not taken.
NOTICE
indicates that property damage can result if proper precautions are not taken.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualified 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 manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be complied with. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of Siemens AG. The remaining trademarks in this publication
may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.

SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 3
Table of contents
1 Introduction................................................................................................................................................ 5
2 Safety instructions ..................................................................................................................................... 7
2.1 Important notes on using the device..............................................................................................7
3 Description............................................................................................................................................... 11
3.1 Extender for twisted pair EM495-8...............................................................................................11
3.2 EM496-4 extender for media modules.........................................................................................13
3.3 Unpacking and checking..............................................................................................................17
4 Assembly................................................................................................................................................. 19
4.1 Safety notices for installation .......................................................................................................19
4.2 Installing/uninstalling the EM495-8 twisted pair extender for SCALANCE X414-3E...................19
4.3 Installing / uninstalling the EM496-4 media module extender for SCALANCE X414-3E ............25
5 Certification.............................................................................................................................................. 31
5.1 Approvals, Certificates .................................................................................................................31
6 Technical specifications........................................................................................................................... 35
6.1 Extender module EM495-8 - technical specifications..................................................................35
6.2 Extender module EM496-4 - technical specifications..................................................................36
7 Graphics .................................................................................................................................................. 37
7.1 Dimension drawing - EM495-8 extender module.........................................................................37
7.2 Dimension drawing - EM496-4 extender module.........................................................................39
Index........................................................................................................................................................ 41

Table of contents
SCALANCE X-400 extender modules
4 Compact Operating Instructions, 04/2013, A5E00367421-10

SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 5
Introduction 1
Content of the document
These operating instructions (compact) contain information with which you will be able to
install a device of the SCALANCE X-400 extender modules product line.
Where can I find more detailed information on the product?
A CD is supplied with the IE Switch X-400 basic devices on which you will find a detailed
description of the products in PDF format in the relevant subfolder.

Introduction
SCALANCE X-400 extender modules
6 Compact Operating Instructions, 04/2013, A5E00367421-10

SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 7
Safety instructions 2
2.1 Important notes on using the device
Safety notices on the use of the device
The following safety notices must be adhered to when setting up and operating the device
and during all work relating to it such as installation, connecting up, replacing devices or
opening the device.
General notes
WARNING
Safety extra low voltage
The equipment is designed for operation with Safety Extra-Low Voltage (SELV) by a
Limited Power Source (LPS). (This does not apply to 100 V...240 V devices.)
This means that only SELV / LPS complying with IEC 60950-1 / EN 60950-1 / VDE 0805-1
must be connected to the power supply terminals. The power supply unit for the equipment
power supply must comply with NEC Class 2, as described by the National Electrical Code
(r) (ANSI / NFPA 70).
There is an additional requirement if devices are operated with a redundant power supply:
If the equipment is connected to a redundant power supply (two separate power supplies),
both must meet these requirements.
WARNING
Opening the device
DO NOT OPEN WHEN ENERGIZED.

Safety instructions
2.1 Important notes on using the device
SCALANCE X-400 extender modules
8 Compact Operating Instructions, 04/2013, A5E00367421-10
Information on use in hazardous areas
WARNING
Risk of explosion when connecting or disconnecting the device
EXPLOSION HAZARD
DO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR
COMBUSTIBLE ATMOSPHERE IS PRESENT.
WARNING
Replacing components
EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION
2 OR ZONE 2.
WARNING
Requirements for the cabinet/enclosure
When used in hazardous environments corresponding to Class I, Division 2 or Class I,
Zone 2, the device must be installed in a cabinet or a suitable enclosure.

Safety instructions
2.1 Important notes on using the device
SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 9
Information on use in hazardous areas according to ATEX
WARNING
Requirements for the cabinet/enclosure
To comply with EU Directive 94/9 (ATEX95), this enclosure must meet the requirements of
at least IP54 in compliance with EN 60529.
The fiber-optic bus connections labeled SCALANCE MM400 (see type plate) may also be
led through a hazardous area zone1 (see also Auto-Hotspot, section "Explosion Protection
Directive (ATEX)").
WARNING
Suitable cables for temperatures in excess of 70 °C
If the cable or conduit entry point exceeds 70 °C or the branching point of conductors
exceeds 80 °C, special precautions must be taken. If the equipment is operated in an air
ambient in excess of 50 °C, only use cables with admitted maximum operating temperature
of at least 80 °C.
WARNING
Protection against transient voltage surges
Provisions shall be made to prevent the rated voltage from being exceeded by transient
voltage surges of more than 40%. This criterion is fulfilled, if supplies are derived from
SELV (Safety Extra-Low Voltage) only.
Information on use in hazardous areas according to UL-HazLoc
WARNING
EXPLOSION HAZARD
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE
NON-HAZARDOUS.
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.

Safety instructions
2.1 Important notes on using the device
SCALANCE X-400 extender modules
10 Compact Operating Instructions, 04/2013, A5E00367421-10

SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 11
Description 3
3.1 Extender for twisted pair EM495-8
Eight additional 100Base-TX ports
Note
The EM495-8 extender module can be used only in connection with the SCALANCE X414-
3E.
The SCALANCE X408-2 has no port for an extender module.
The extender module for twisted pair transmission provides an additional eight ports for
connecting twisted pair cables. The TP cable is attached to an 8-pin RJ-45 jack with securing
collar.
Note
The twisted pair extender CANNOT be installed during operation.
The transmission rate of the Ethernet ports is 10 Mbps or as a Fast Ethernet port 100 Mbps.
No media module is required for data transfer with this extender module.
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Figure 3-1 Basic device with twisted pair extender module

Description
3.1 Extender for twisted pair EM495-8
SCALANCE X-400 extender modules
12 Compact Operating Instructions, 04/2013, A5E00367421-10
Figure 3-2 Twisted pair extender EM495-8
Covers
For slots 12 and 13 of the twisted pair extender EM495-8, you can use the cover that can be
used on slots 9 through 11 on the basic device. Two CV490 4x100 covers are supplied with
the twisted pair extender.

Description
3.2 EM496-4 extender for media modules
SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 13
3.2 EM496-4 extender for media modules
Four additional slots for media modules
Note
The EM496-4 extender module can be used only in conjunction with the SCALANCE X414-
3E.
The SCALANCE X408-2 has no port for an extender module.
By adding the media module extender, the basic device is extended by four slots that you
can equip with the following modules as required:
● MM491-2
● MM491-2LD
● MM491-2LH+
If you use all slots, you have an additional eight optical Fast Ethernet ports available (100
Mbps).
Note
For data transfer with this extender module, the minimum requirement is an occupied slot
(for example, no. 1). The installation of the extender module and the removal and insertion of
a media module from/in the required slot (for example no. 1) is NOT possible during ongoing
operation.
Note
The required slot (for example no. 1) must remain occupied to allow the removal and
insertion of the other media modules (for example slots 2-4) during ongoing operation.
The media module plug connectors are protected by protective caps.

Description
3.2 EM496-4 extender for media modules
SCALANCE X-400 extender modules
14 Compact Operating Instructions, 04/2013, A5E00367421-10
Connector
Depending on the media module, the connectors used are 2x2 BFOC sockets or SC duplex
sockets.
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Figure 3-3 Basic device with media module extender

Description
3.2 EM496-4 extender for media modules
SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 15
Figure 3-4 Empty media module extender EM496-4 without protective caps for the media module
terminal strips and without covers

Description
3.2 EM496-4 extender for media modules
SCALANCE X-400 extender modules
16 Compact Operating Instructions, 04/2013, A5E00367421-10
Covers
Four CV490 2x100 covers are supplied with the twisted media module extender EM496-4.
The media module plug connectors are also protected from damage by protective caps.
Figure 3-5 Media module extender EM496-4 with media module MM491-2 on slot and with covers

Description
3.3 Unpacking and checking
SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 17
3.3 Unpacking and checking
Unpacking, checking
1. Make sure that the package is complete.
2. Check all the parts for transport damage.
WARNING
Do not use any parts that show evidence of damage!

Description
3.3 Unpacking and checking
SCALANCE X-400 extender modules
18 Compact Operating Instructions, 04/2013, A5E00367421-10

SCALANCE X-400 extender modules
Compact Operating Instructions, 04/2013, A5E00367421-10 19
Assembly 4
4.1 Safety notices for installation
WARNING
If a device is operated in an ambient temperature of more than 50 °C, the temperature of
the device housing may be higher than 70 °C. The device must therefore be installed so
that it is only accessible to service personnel or users that are aware of the reason for
restricted access and the required safety measures at an ambient temperature higher than
50 °C.
4.2 Installing/uninstalling the EM495-8 twisted pair extender for
SCALANCE X414-3E
Installing the twisted pair extender on the S7-300 standard rail
You require the following tools:
● slotted screwdriver with a 2.8 mm wide blade
● slotted screwdriver with a 5.5 mm wide blade
Note
Make sure that in addition to the extender width of 87 mm, there is a clearance of 20 mm
to the right of the basic device on the standard rail to be able to align the guide bolts of
the extender with the holes in the basic device during installation.
When installing a twisted pair extender on an S7-300 standard rail,
the basic device remains in position. Follow the steps below:
1. Remove the cover from slot 11 of the basic device.
2. Remove the right-hand side panel of the basic device. To do this, use a slotted
screwdriver with a 2.8 mm wide blade to loosen the two captive slug screws on slot 11 in
the upper and lower recesses as far as they will go.
3. Remove the side panel of the basic device from the basic device to the right.
Note
Keep the panel in a safe place in case the extender needs to be removed again later.

Assembly
4.2 Installing/uninstalling the EM495-8 twisted pair extender for SCALANCE X414-3E
SCALANCE X-400 extender modules
20 Compact Operating Instructions, 04/2013, A5E00367421-10
4. Remove the two covers from the extender.
5. Place the extender module on the edge of the S7-300 standard rail with the upper groove
angled slightly towards the back and tilt the extender towards the back. Make sure that
there is adequate clearance between the guide bolts of the extender module and the
basic device. In this position, the extender module should not be able to slip off, however
it can be moved horizontally in both directions.
6. Push the extender module slowly to the left while keeping it straight and without skewing
and check that the two guide bolts on the extender fit into the holes in the basic device.
Then push the extender module to the left as far as it will go so that it is flush with the
right side of the basic device.
7. Using a slotted screwdriver with a 5.5 mm wide blade, tighten the captive screw between
slots 12 and 13 in the lower part of the extender module.
8. Using a slotted screwdriver with a 2.8 mm wide blade, tighten the two captive slug screws
on slot 11. The screws lock the two guide bolts, so do not use excessive force when
tightening them.
9. Fit the CV490 4x100 cover to slot 11 of the basic device and slots 12 and 13 of the
twisted pair extender.
Figure 4-1 Installing the twisted pair extender on the S7-300 standard rail