The contents of this document are provided “as is”. Except as required by applicable
law, no warranties of any kind, either express or implied, including, but not limited to,
the implied warranties of merchantability and fitness for a particular purpose, are made
in relation to the accuracy and reliability or contents of this document. Westermo
reserves the right to revise this document or withdraw it at any time without prior
notice.
Under no circumstances shall Westermo be responsible for any loss of data or income
or any special, incidental, and consequential or indirect damages howsoever caused.
More information about Westermo can be found at the following Internet address:
http://www.westermo.com
2
6644-2214
Safety
!
!
!
Before installation:
Read this manual completely and gather all information on the unit. Make sure that
you understand it fully. Check that your application does not exceed the safe operating specifications for this unit.
This unit should only be installed by qualified personnel.
This unit should be built-in to an apparatus cabinet, or similar, where access is
restricted to service personnel only.
The power supply wiring must be sufficiently fused, and if necessary it must be
possible to disconnect manually from the power supply. Ensure compliance
to national installation regulations.
This unit uses convection cooling.To avoid obstructing the air flow around the
unit, follow the spacing recommendations (see Installation section).
Before mounting, using or removing this unit:
Prevent access to hazardous voltage by disconnecting the unit from power supply.
Warning! Do not open connected unit. Hazardous voltage may occur within this
unit when connected to power supply.
Class 1 Laser Product
Do not look directly into fibre optical fibre port or any connected fibre although
this unit is designed to meet the Class 1 Laser regulations.
Care recommendations
Follow the care recommendations below to maintain full operation of unit and to fulfil
the warranty obligations.
This unit must not be operating with removed covers or lids.
Do not attempt to disassemble the unit. There are no user serviceable parts inside.
Do not drop, knock or shake the unit, rough handling above the specification may cause
damage to internal circuit boards.
Do not use harsh chemicals, cleaning solvents or strong detergents to clean the unit.
Do not paint the unit. Paint can clog the unit and prevent proper operation.
Do not expose the unit to any kind of liquids (rain, beverages, etc). The unit is not water-
proof. Keep the unit within the specified humidity levels.
Do not use or store the unit in dusty, dirty areas, connectors as well as other mechanical
part may be damaged.
If the unit is not working properly, contact the place of purchase, nearest Westermo dis-
tributor office or Westermo Tech support.
Fibre connectors are supplied with plugs to avoid contamination inside the optical port.
As long as no optical fibre is mounted on the connector, e.g. for storage, service or
transportation, should the plug be applied.
6644-2214
3
ATEX Information (Applicable for SDW-500 Ex series only)
General
This unit is intended for use in Zone 2 hazardous location only.
Marking
II 3 G
Ex nA IIC 140°C (T3) Gc
SPECIAL CONDITION
WARNING – DO NOT SEPARATE WHEN ENERGIZED
Indicate that this unit complies with relevant European standards that are
harmonised with the 94/9/EC Directive (ATEX).
II
3
G
ExIndicates that this unit is in conformity with relevant European Ex standard(s).
nA
IICGas group, a typical gas i hydrogen.
140°C (T3)
Gc
SPECIAL
CONDITION
Equipment group II.
This unit can be installed in all places with an explosive gas atmosphere other
than mines susceptible to firedamp.
Equipment category 3.
A category is the classification according to the required level of protection.
This unit ensures the requisite level of protection during normal operation and
is intended for use in areas in which explosive atmosphere caused by gases,
vapours, mists, or dust mixtures are unlikely to occure or, if they do occure, are
likely to do so only infrequently and for a short periode only.
Indicates protection concerning explosive atmospheres caused by gases,
vapours or mists (G).
The type of protection used.
This unit is a non-sparking device "nA" which is constructed to minimize the
risk of occurence of arcs or sparks capable of creating an ignition hazard during
conditions of normal operation.
Maximum surface temperature assigned = 140°C with the next highest temperature class T3 (T3 = 200°C).
This unit is classified in accordance with its maximum surface temperature
(external and internal).
Equipment protection level Gc (EPL Gc)
Equipment for explosive gas atmospheres, having a "enhanced" level of protection, which is not a source of ignition in normal operation and which may have
some additional protection to ensure that it remains inactive as an ignition
source in the case of regular expected occurences. EPL Gc are analogous to
the ATEX Categories (Category 3 G = EPL Gc).
This unit has a special condition for safe use.
The special condition for safe use contains safety related information that is
necesarry for the correct installation and safe use.
4
6644-2214
Ratings and safety control drawing
Ratings \ ModelSDW-550EX
Power (12 – 48) VDC; 320 mA(12 – 48) VDC; 350 mA(12 – 48) VDC; 450 mA
Ambient temperature –25ºC ≤ Ta ≤ +70ºC–25ºC ≤ Ta ≤ +65ºC
Maximum surface
temperatur
Degree of protectionIP 21
Installation spacingMinimum 25 mm above / below and minimum 10 mm left / right
SDW-532EX-2SM-LC15
Ratings \ Model
Power (12 – 48) VDC; 450 mA(12 – 48) VDC; 600 mA
Ambient temperature –25ºC ≤ Ta ≤ +60ºC
Maximum surface
temperatur
Degree of protectionIP 21
Installation spacingMinimum 25 mm above / below and minimum 10 mm left / right
2In / Out / TD–
3In / Out / RD+
4Not connected
5Not connected
6In / Out / RD–
7Not connected
8Not connected
ShieldHF-connected
Galvanically isolated via signal transformers and capacitively isolated
to signal ground through 3 kV 470 pF capacitor.
Direction* /
descripton
Input / Output values
Per port:
U = ± 1 V (4μV/s)
I = ± 20 mA
Data rate:
10/100 Mbit/s
Ethernet FX – SC, ST or LC
Position
RxIn / Receive port
TxOut / Transmit port
Direction* /
descripton
Input / Output values
Max optical power = 5 dBm
Power
Direction* /
descripton
Input / Output values
Uin = (9.6 – 57.6) VDC
Max Iin = 0.6 A @ 9.6 VDC
Max Pin = 6 W
The different models allows these
ports to be configured as either
copper RJ 45, optical SC, -ST or
-LC connection.
Position
1In / COM
2In / +VA
3In / +VB
6644-2214
5
SPECIAL CONDITION FOR SAFE USE
Ambient temperature:
This unit is designed for use in extreme ambient temperature conditions according to the following:
SDW-550: –25ºC ≤ Ta ≤ +70ºC
SDW-541: –25ºC ≤ Ta ≤ +65ºC
SDW-532: –25ºC ≤ Ta ≤ +60ºC
Installation in an apparatus cabinet:
This unit requires installation in an Ex certified apparatus cabinet suitable for the area of use and
providing a degree of protection of at least IP54.
Resistance to impact:
This unit requires installation in an apparatus cabinet where adequate resistance to impact is
provided by the apparatus cabinet. See "Installation in an apparatus cabinet" above for requirements
on the external apparatus cabinet.
Resistance to light:
This unit requires installation in an apparatus cabinet where it is protected from light
(for example daylight or light from luminaires).
See "Installation in an apparatus cabinet" above for requirements on the external apparatus cabinet.
Secureness of plugs:
When this unit is installed in an explosive atmospheres, all connectors must be mechanically secured
to prevent loosening.
Conductor temperature:
When this unit is installed in locations with high ambient temperature, special precautions shall be
taken upon the choice of external conductors and the temperature rating of the conductor(s).
Directive 94/9/EC alongside with other directives:
Directive 2004/108/EC (EMC) applies and to assure a safe performance of this unit under the scope
of Directive 94/9/EC, refer to the electromagnetic immunity level specified under "Type tests and
environmental conditions" in this manual.
Standards and date of compliance
EN 60079-0 and EN 60079-15
2011-04-15
6
6644-2214
Note. Fibre Optic Handling
Fibre optic equipment needs special treatment. It is very sensitive to dust and dirt. If
the fibre will be disconnected from the modem the protective hood on the transmitter/
receiver must be connected. The protective hood must be kept on during transportation.
The fibre optic cable must also be handle the same way.
If this recommendation not will be followed it can jeopardise the warranty.
Cleaning of the optical connectors
In the event of contamination, the optical connectors should be cleaned by the use of
forced nitrogen and some kind of cleaning stick.
Recommended cleaning fluids:
• Methyl-, ethyl-, isopropyl- or isobutyl-alcohol
• Hexane
• Naphtha
Maintenance
No maintenance is required, as long as the unit is used as intended within the specified
conditions.
Agency approvals and standards compliance
TypeApproval / Compliance
EMCEN 61000-6-2, Immunity industrial environments
EN 61000-6-31, Emission residential environments
EN 61000-6-42, Emission industrial environments
E-Mark, Road Vehicles, 10R-04 7216
SafetyUL 60950-1, 1st Edition
3
MarineDNV Standard for Certification no. 2.4
ExEN 60079-0 and EN 60079-15
Note
1
– Applicable only for 3644-000x and 3644-0015
2
– Applicable only for 3644-0019, 3644-002x and 3644-003x
3
– Applicable only for 3644-000x (SDW-550 och SDW-550 EC)
4
– Applicable only for 3644-0001, 3644-0022 , 3644-0023, 3644-0025,
SDW-500 EX series 3644-5001 ,-5020, -5021, -5022, -5023,-5024, -
5025, -5030, -5031, -5032, -5033,-5034, -5035
SDW-550 E-mark 3644-6001
is in conformity with the following EC directive(s).
No Short name
2004/108/EC Electromagnetic Compatibility (EMC)
94/9/EC 1 Equipment Explosive Atmospheres (ATEX)
2011/65/EU Restriction of the use of certain hazardous substances in electrical and electronic
equipment (RoHS)
References of standards applied for this EC declaration of conformity.
No Title Issue
EN 61000-6-2 Electromagnetic compatibility – Immunity for industrial
environments
2005
EN 61000-6-3 2 Electromagnetic compatibility – Emission for residential
environments
2007
EN 61000-6-4 3 Electromagnetic compatibility – Emission for industrial
environments
2007
EN 60079-0
1
Explosive atmospheres
Equipment – General requirements
2009
EN 60079-15
1
Electrical apparatus for explosive gas atmospheres –
Construction, test and marking of type of protection “n” electrical
apparatus
2005
The last two digits of the year in which the CE marking was affixed: 14
Pierre Öberg
Technical Manager
12
th
Mars 2014
1
Applicable for SDW-500 EX series.
2
Applicable for 3644-000x, 3644-0015 and 3644-6001
3
Applicable for 3644-0019, 3644-002x and 3644-003x.
8
6644-2214
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