Description
4
4.1 Overview
The device is used as a control, switching and distribution unit in hazardous areas (gas: Zones
1,2; dust: 21,22). The product satises 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 certicates.
The device is also identied by the standards of the installed components. The supplied ATEX
certicate applies to the device and to the components installed by the manufacturer.
4.2 Area of application
• The enclosure for surface mounting is suitable for the installation and operation of
distributed I/O, e.g. ET200iSP, in the following hazardous area:
– Device group II (Zones 1+2 gas, and Zones 21+22 dust)
• The device consists of the enclosure for surface mounting (6DL2804-0xxxx) and the installed
electronic components.
• The device has been tested and certied for use in these hazardous areas.
• The device must not be used in areas where highly charge generating processes, mechanical
friction and separation processes, electron spraying processes (e.g. in the vicinity of
electrostatic varnishing devices) take place, or pneumatically conveyed dust escapes.
Note
Product information on the Internet
You will nd more information on installing and connecting the electronic components, for
example in:
• ET 200iSP manual. The information is available on the Internet at Siemens Industry Online
Support under Entry ID 109811501.
• Principles of Explosion Protection manual. The information is available on the Internet at
Siemens Industry Online Support under Entry ID 12521844.
• Only open the enclosure in Zones 21 and 22 if no ignitable dust atmosphere is present.
• The device is identied depending on:
– The installed components
– Use for the gas or dust Ex areas
Distributed I/O device 6DL2804-1xxxx & 6DL2804-2xxxx
Hardware Installation Manual, 11/2023, A5E42025214-AC 13