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.
indicates that death or severe personal injury
indicates that death or severe personal injury
indicates that minor personal injury can result if proper precautions are not taken.
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.
The product/system described in this documentation may be operated only by
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.
result if proper precautions are not taken.
result if proper precautions are not taken.
for the specific
Note the following:
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.
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.
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.
Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
GERMANY
Order number: A5E00378896F
Ⓟ 06/2014 Subject to change
2 Safety information ................................................................................................................................... 7
10 Service and support .............................................................................................................................. 41
1.1 Purpose of this documentation ...................................................................................................... 5
1.2 History ............................................................................................................................................ 5
2.1 General information ....................................................................................................................... 7
2.2 Laws and directives ....................................................................................................................... 7
This manual contains all the information that you will require to install and use the device.
It is intended for persons who install the device mechanically, connect it electrically, set
parameters and commission it, as well as for service and maintenance technicians.
The most important changes in the documentation compared with the previous edition are
shown in the following table.
Electrical connection in potentially explosive atmospheres
2.3
Qualified personnel
This device left the factory in a perfect state with regard to safety. To maintain this status and
to ensure safe operation of the device, note and follow the instructions and warnings in this
manual.
Observe the provisions of the test certification valid for your country.
When making electrical connections, observe the national regulations and laws for
hazardous areas valid for your country. In Germany, for example, the following apply:
● Ordinance on Industrial Safety and Health
● Standard relating to the installation of electrical systems in hazardous areas DIN EN
60079-14 (previously VDE 0165, T1)
Qualified personnel are people who are familiar with the installation, mounting,
commissioning, and operation of the product. These people have the following qualifications:
● They are authorized, trained or instructed in operating and maintaining devices and
systems according to the safety regulations for electrical circuits, high pressures and
aggressive as well as dangerous media.
● For devices intended for use in explosive atmospheres: They are authorized, trained, or
instructed in working on electrical circuits for systems in potentially explosive
atmospheres.
● They are trained or instructed in maintenance and use of appropriate safety equipment
according to the safety regulations.
Use in environments with aggressive and dangerous media
CAUTION
Electrostatic sensitive devices
2.4 Measures
In the interest of safety, observe the following precautionary measures:
Devices with "pressure-resistant encapsulation" protection may only be opened when the
power has been disconnected.
"Intrinsically-safe" devices lose their certification as soon as they are operated on circuits
which do not correspond with the test certification valid in your country.
Devices with the type of protection "Increased safety" must not produce sparks or electric
arcs during operation under normal conditions. Electrical equipment and parts must not
exceed a rated voltage of 11 kV.
Devices with the type of protection "Mold encapsulation" are potted in casting compound.
Devices with the type of protection "By means of enclosure" prevent the penetration of dust
or reduce it to a harmless level. Explosive equipment can be installed. The temperature on
the housing must not ignite the surrounding atmosphere.
The device can be operated both at high pressure and with aggressive and hazardous
media. Therefore, improper use of this device may lead to serious injury and or
considerable damage to property. Above all, it must be noted when the device was in use
and is to be exchanged.
This device contains electrostatic sensitive devices. ESD devices can be destroyed by
voltages well below the threshold of human perception. These static voltages develop when
you touch a component or electrical connection of a device without having discharged the
static charges present on your body. The damage to a module as a result of overvoltage
cannot usually be detected immediately. It may only become apparent after a long period of
operation.
The device is used as a control, switching and distribution unit in hazardous areas (gas:
Zones 1, 2; dust: 21, 22; mining: M2). The product satisfies the requirements of the following
standards
● EN/IEC 60079-0 General requirements
● EN/IEC 60079-7 Enhanced safety
● EN/ICE 60079-31 Protection by means of enclosure
The device consists of the wall-mounted enclosure and the components installed in it, for
each of which there are separate certificates.
The device is also identified by the standards of the installed components. The supplied
ATEX certificate applies to the device and to the components installed by the manufacturer.
● The wall-mounted enclosure is suitable for installation and operation of distributed I/Os,
e.g. ET 200iSP or ET 200, in the following hazardous areas:
– Device group I (mining, M2)
– Device group II (Zones 1 + 2 gas, and Zones 21 + 22 dust)
● The device consists of the wall-mounted enclosure (6DL2804-0xxxx) and the installed
electronic components.
● The device has been tested and certified for use in these hazardous areas.
You will find further information on installing and connecting the electronic components,
for example in:
• ET 200iSP manual (A5E00247482)
• Principles of explosion protection manual (6ES7398-8RA00-8BA0)
This information is available on the Internet on the Siemens home page.
● Only open the enclosure in Zones 21 and 22 if no ignitable dust atmosphere is present.
– Use for the following hazardous areas: gas, dust or mining
9
Page 10
Description
3.3
Product features
3.3 Product features
The device consists of a separately certified wall-mounted enclosure (6DL2804-0xxxx). The
enclosure is made of stainless steel and is intended for wall mounting.
The device is intended for the installation of control and measuring devices such as:
● Distributed I/O systems:
– ET 200iSP for use in Zones 1 and 2 (gas), Zones 21 and 22 (dust), and M2 (mining)
● Modular electro-pneumatic automation system AirLine Ex (type 8650, from the company
Bürkert)
● Buffer stages and safety barriers
● Relays, buffer elements and fuses
● Separate terminals for intrinsically safe and non-intrinsically safe circuits
The enclosure sizes D...G have a cover which pivots upwards by means of gas-filled
dampers.
The enclosure sizes H...W have doors with right-hand hinges (close on left).
Z***: This additional data (e.g. ZA01, ZA02, ...) serves to identify design versions which are
not included in the data positions of the type designation. The additional data is only
specified if required.
The degree of protection depends on the enclosure size and the parts used such as cable
entries, dummy plugs and climate nozzles. The nameplate specifies the degree of protection
for which the enclosure is designed. The minimum degrees of protection are:
● Device group I: IP54/IP55
● Device group II: IP54 to IP66 (Zones 1 + 2)
● Device group II: IP64 to IP66 (Zones 21 + 22)
The operating temperature range of the enclosure depends on the temperature range of the
parts used, and can differ from the actual operating temperature range:
● -40 °C to +75 °C: only for the enclosure versions 6DL2804-0xxx1
● 0 °C to +75 °C
The nameplate specifies the permissible operating temperature range in each case.
● Prior to installation of components, check the operating temperature range of the
complete setup. The operating temperature range for the complete setup may be limited
by the maximum permissible operating temperature of the components and the
dissipated heat produced in the enclosure.
Climate nozzles provide pressure compensation and drainage in the event of varying climatic
conditions.
● In the case of aggressive environments, check whether use of the enclosure is possible
with the material in question. Delivery of enclosures with appropriate surface protection is
possible for use with aggressive environmental conditions.
● When fitting cables, observe the manufacturer's data on the tightening torques of the
cable and wiring entries.
● Use the tightening torque of the clamping screw when connecting the cables.
● Relieve the tension on the cables outside the enclosure so that the cable gland is not
stressed.
● For additional information and technical specifications, refer the respective manufacturer
documentation, in particular:
– Technical specifications, clamping ranges for cables
– Notes on use, installation, mounting, commissioning and maintenance
Use the supplied red dummy plugs to close any cable glands not in use. Only then is it
ensured that the degree of protection is retained.
The equipotential bonding rail (10 x 3 mm) with terminals (up to 4 mm²) is used to contact
the cable shields. Alternatively, you can also use other terminals here, e.g. KLBüCo from the
company Weidmüller (not included in the scope of delivery)
Connect the equipotential bonding wire to the bonding terminal (0.75 to 35 mm²).
Short lines connect the equipotential bonding rail to the mounting plate and thus to the
enclosure. In cases where the ground and equipotential bonding conductors are installed
separately, this connection can be disconnected.
Also observe the installation guidelines in the ET200iSP operating instructions, Section 5.2
"Using ET 200iSP with equipotential bonding".
Screw the wall supports onto the enclosures using M6/M8 screws depending on the
enclosure size. These are included with the enclosure accessories. To secure the enclosure,
use 8 mm diameter screws and lock washers.
The M6/M8 ground connection screw is used for the PE conductor; use a cable with lug for
this. To prevent the screw from becoming loose, make sure you use the lock washer.
Connecting the grounding cable avoids static charge which is important, in particular, for
dust explosion protection.
The enclosure nameplate specifies the parameters within which the installed components
can be used.
Observe the following if you subsequently connect equipment and the required cables on
site:
● Read and observe the manufacturer's instructions, especially notes, warnings and
information on special features.
● Electrical equipment as well as combinations of equipment can impair the intrinsic safety
of the circuits as a result of their electrical parameters. Prior to installing equipment,
check that the intrinsic safety of the circuit is still guaranteed.
• When installing control and measuring devices in the Ex enclosure, keep to the
instructions in the relevant product descriptions and the technical specifications in the
data sheets.
• All control and measuring devices installed in the enclosure must be separately certified
for the relevant hazardous zone.
• Run the tests prescribed in the relevant national regulations for the installed control and
measuring devices.
• Install and operate the distributed I/O device in hazardous areas according to the
specifications of the EC-type examination certificate according to ATEX and these
operating instructions or the standards and directives valid in your country.
• Assembly, installation, commissioning and maintenance may only be performed by
qualified personnel.
• The devices and installed components must only be used for their intended purpose.
Pack and store the enclosure for transport or storage so that there can be no undue strain on
the enclosure, particularly on its top cover. If there is too much strain on the top cover of the
enclosure, this can damage the seal.
Do not place the enclosure on the cable glands fitted in its base, otherwise the glands will be
damaged.
The enclosure is intended for wall mounting and should be secured with the wall supports
supplied with it. Use the following template for the drilling.
Figure 4-1 Drilling template for securing the device
When opening the enclosure with pivoting cover, the cover is pressed upwards by means of
the pressure of the dampers. When opening, press against the cover with your hand.
• Remember the maximum thermal load on the cables and wiring. The degree of protection
is only ensured when suitable cables and wires are used and correctly installed.
• Note that it is only permitted to connect and disconnect the cables to the power supply
module if the module has been powered down.
• The degree of protection is reduced when the enclosure is mounted vertically.
The enclosure should have at least IP56 protection when installing outdoors. This prevents
damaging amounts of dirt or water from penetrating the enclosure under normal ambient
conditions. Take the following additional protective measures depending on the environment
of the installation location:
● Avoid subjecting the enclosure permanently to water (for example, snow).
● Remember that direct sunlight can cause excessive temperatures in the interior of the
enclosure. In locations where this can occur, provide additional protection with some form
of roofing.
● Note that opening the enclosure at ambient temperatures below 0 °C can damage the
seal as a result of freezing.
● Condensation may be produced within the enclosure due to temperature variations.
Climate nozzles are therefore installed to permit drainage and pressure compensation.
Ensure when mounting the enclosure that the climate nozzles are at the lowest position.
● If you want to use the device in an aggressive environment, check whether this is
possible with the material in question.
The following separately certified components can be installed optionally:
● Terminals:
– Ex e for the connection of cable cross-sections >4 mm,
– Ex i for wiring of intrinsically safe signals (blue); these may only be used for Ex i
signals.
Make sure when arranging intrinsically safe and non-intrinsically safe terminals that they
are separated ("thread measure") by at least 50 mm.
● Temperature sensors:
For monitoring the temperature inside the enclosure,
● Relays, disconnectors and fuses:
For interrupting, switching or protecting individual signal circuits.
● Command and signaling devices:
For manual switching (control switch) or optical display (indicator lamps) in the enclosure
wall.
● FO couplers:
For connecting the PROFIBUS of the ET 200iSP by means of FO cable
● Lightning protection components:
For protecting the ET 200iSP components from lighting strikes when the enclosure is
installed in exposed locations.
● Heater:
To prevent condensation in the enclosure at low temperatures, it is recommendable to
install a heater. The heater must be dimensioned in accordance with the enclosure size.
A heater permits operation of the devices at temperatures below -20 °C.
If components with a supply voltage of 120 / 230 V AC are installed, you must fuse these
devices according to DIN 41571 and/or IEC 60127 or in accordance with the
manufacturer's data.
● Modular electro-pneumatic automation system AirLine Ex (type 8650, from the company
Bürkert):
Connected to the ET 200iSP components to form an automation system for processing
electrical and pneumatic variables.
When connecting and operating, observe the manufacturer's descriptions and manuals.
● When installing a pneumatic system, exit the air passing through the exhaust connections
Make sure that the vent of the pneumatic system does not blow directly into the
enclosure. The pressure resulting in the enclosure would otherwise damage the seal
and screwed glands, and the degree of protection would no longer be provided.
23
Page 24
Mounting
4.5
Use of I/O device at temperatures down to -40 °C
4.5 Use of I/O device at temperatures down to -40 C
You must install a heater in the enclosure in order to operate the devices at temperatures
down to -40 °C. Note the following:
When using a closed enclosure, only switch the installed components on following a specific
warming-up time which depends on the enclosure size and heating power:
● With enclosure types 6DL2804-xxDxx and -xxExx, the warming-up time is at least 2
hours.
● With enclosure types 6DL2804-xxKxx and -xxUxx, the warming-up time is at least 3
hours.
Figure 4-2 Temperature response with 100 W heater for 6DL2804-xxDxx / -xxExx
Temperature response inside the enclosure following switching-on of the heater at an
outdoor temperature of -40 °C.
After > 2 hours, the internal temperature is above the minimum permissible operating
temperature of the installed components of -20 °C.
4.5 Use of I/O device at temperatures down to -40 C
Figure 4-3 Temperature response with 200 W heater for 6DL2804-xxKxx / -xxUxx
Temperature response inside the enclosure following switching-on of the heater at an
outdoor temperature of -40 °C.
After > 3 hours, the internal temperature is above the minimum permissible operating
temperature of the installed components of -20 °C.
● Select maintenance cycles so that problems can be recognized in good time. Check the
following:
– The device for visible damage
– That the permitted temperatures are not exceeded
– That the cables are securely connected,
– Damage to cable and wiring entries
– Enclosure gaskets for cracks and damage
– Bonding of seal on the enclosure cover and at the bonding positions
– Surface of seal for damage
● If the seal is damaged, replace the complete cover if necessary.
● If there is damage to the enclosure, there is a risk that the degree of protection is no
longer valid. In some cases, this might necessitate replacement of the enclosure.
● If there is damage to cable and wiring entries, only replacement with original parts is
permitted.
● Check regularly, once a year, that the cable and line entries are securely in place and
properly sealed. Check the tightening torques.
If necessary, re-tighten the glands to the torques specified by the manufacturer. For
information on the torques, refer to the respective manufacturer documentation.
Wall-mounted enclosure Type 6DL2804-0xxxx, DMT 02 ATEX E 249 U
Ex marking See Ex marking
Degree of protection 1) IP54 to IP66
Dimensions: W x H x D 650 x 450 x 230 950 x 450 x 230 650 x 450 x 350 950 x 450 x 350
Material Stainless steel: DIN 1.4404, plate thickness 1.5 mm
Weight [kg] 30 43 31 43
Cover seal Silicone rubber
Cable entries for
Voltage (cable-Ø in mm) 2 M32 Ex e (13 to 21)
Bus (cable-Ø in mm) 4 M20 Ex e (6 to 13)
Signals (cable-Ø in mm) M16 (4 to 9) M16 (4 to 9) M20 (6 to 13) M20 (6 to 13)
3 rows (xxx3x) 39 66 36 57
5 rows (xxx5x) 65 110 60 95
Equipotential bonding rail 3 x 10 mm Cu
Bonding terminals 0.75 to 35 mm² Ex e for equipotential bonding cable, 4 mm² for shield
connection
Protective conductor connector M6 screw, at least 16 mm²
Rated voltage/current 2) These values depend on the installed components.
Operating temperature range
6DL2804-1xxxx with installation of
ET200iSP
6DL2804-1xxx1 with installation and
heater
6DL2804-2xxxx with installation of
ET200iSP and electro-pneumatic
system AirLine Ex Typ 8650
Permissible humidity Max. 95%
1)
The degree of protection of the enclosure depends on that of the installed parts and the enclosure size.
2)
The actual electrical values depend on the electrical equipment installed. The manufacturer specifies the final values
within the framework of these limits.
3)
The specified permissible operating temperature range is only valid if the enclosure is installed horizontally. A vertical
installation can reduce the maximum permissible temperature (for information on this refer also to the ET200iSP
manual). The max. operating temperature is defined depending on the dissipated heat of the installed components, and
specified on the nameplate. Note that the operating temperature of the complete setup must be checked again if further
components are subsequently fitted.
4)
The temperature range of -40 °C only applies to the enclosure types 6DL2804-1xxx1 (metal cable entries). Installation
Wall-mounted enclosure Type 6DL2804-0xxxx, DMT 02 ATEX E 249 U
Ex marking See Ex marking
Degree of protection 1) IP54/IP55
Dimensions: W x H x D 650 x 450 x 230 950 x 450 x 230
Material Stainless steel: DIN 1.4404, plate thickness 1.5 mm
Weight [kg] 35 39
Cover seal Silicone rubber
Cable entries for Voltage (cable-Ø in mm) 6 M25 (Ex e)
Bus (cable-Ø in mm)
Signals (cable-Ø in mm) M32 (18 to 21) M32 (18 to 21)
3 / 1 row (1Mxxx) 6 9
5 / 2 rows (1Mxxx) 12 18
Equipotential bonding rail 3 x 10 mm Cu
Bonding terminals 0.75 to 35 mm² Ex e for equipotential bonding cable, 4 mm² for shield
Protective conductor connector M6 screw, at least 16 mm²
Rated voltage/current 2) These values depend on the installed components.
Operating temperature range 6DL2804-1xxxx with installation of
ET200iSP
Permissible humidity Max. 95%
1)
The degree of protection of the enclosure depends on that of the installed parts and the enclosure size.
2)
The actual electrical values depend on the electrical equipment installed. The manufacturer specifies the final values
within the framework of these limits.
3)
The specified permissible operating temperature range is only valid if the enclosure is installed horizontally. A vertical
installation can reduce the maximum permissible temperature (for information on this refer also to the ET200iSP
manual). The max. operating temperature is defined depending on the dissipated heat of the installed components, and
specified on the nameplate.
Note that the operating temperature of the complete setup must be checked again if further components are
subsequently fitted.
Wall-mounted enclosure Type 6DL2804-0xxxx, DMT 02 ATEX E 249 U
Ex marking See Ex marking
Degree of protection 1) IP54 to IP66
Dimensions [mm]:
W x H x D
Material Stainless steel: DIN 1.4301,
Weight [kg] 65 92 100
Cover seal Silicone rubber
Cable entries Made of plastic or metal; size and number depending on requirements
Equipotential bonding rail 3 x 10 mm galvanized Cu with terminals 4 to 35 mm²
Protective conductor
connector
Rated voltage/current 2) Max. 1 000 V / 100 A
Operating temperature
3)
range
Permissible humidity Max. 95%
1)
2)
3)
4)
The degree of protection of the enclosure depends on that of the installed parts and the enclosure size.
The actual electrical values depend on the electrical equipment installed. The manufacturer specifies the final values
within the framework of these limits.
The specified permissible operating temperature range is only valid if the enclosure is installed horizontally. A vertical
installation can reduce the maximum permissible temperature (for information on this refer also to the ET200iSP
manual). The max. operating temperature is defined depending on the dissipated heat of the installed components, and
specified on the nameplate.
Note that the operating temperature of the complete setup must be checked again if further components are
subsequently fitted.
The temperature range of -40 °C only applies to the enclosure types 6DL2804-1xxx1 (metal cable entries). Installation
800 x 800 x 300 1 000 x 1 000 x 300 1 000 x 1 200 x 300
plate thickness: 1.5 mm with edge length up to 800 mm, 2.0 mm with edge length 1 000 mm
All electronic modules are equipped with large-scale integrated ICs or components. Due to
their design, these electronic elements are highly sensitive to overvoltage, and thus to any
electrostatic discharge.
The electrostatic sensitive components/modules are commonly referred to as ESD devices.
This is also the international abbreviation for such devices.
ESD modules are identified by the following symbol:
ESD devices can be destroyed by voltages well below the threshold of human perception.
These static voltages develop when you touch a component or electrical connection of a
device without having discharged the static charges present on your body. The electrostatic
discharge current may lead to latent failure of a module, that is, this damage may not be
significant immediately, but in operation may cause malfunction.
Basic protective measures against electrostatic discharge
Every person without a conductive connection to the electrical potential of his/her
surroundings can be electrostatically charged.
The figure below shows the maximum electrostatic charge that can build up on a person
coming into contact with the materials indicated. These values correspond to IEC 801-2
specifications.
Figure 9-1 Electrostatic voltages on an operator
● Ensure good equipotential bonding:
When handling electrostatic sensitive devices, ensure that your body, the workplace and
packaging are grounded. This prevents electrostatic charge.
● Avoid direct contact:
As a general rule, only touch electrostatic sensitive devices when this is unavoidable (e.g.
during maintenance work). Handle the modules without touching any chip pins or PCB
traces. In this way, the discharged energy can not affect the sensitive devices.
Discharge your body before you start taking any measurements on a module. Do so by
touching grounded metallic parts. Always use grounded measuring instruments.
Safety precautions, 8
Seal, 20
Service technicians, 5
Signal line, 21
Storage, 20
Technical specifications
I/O device, 29, 30
Technical support, 41
Test certification, 7
The Ordinance on Industrial Safety and Health, 7
Training, 41
Transport, 20
Type of protection