4 Start-Up  F3 AIO 8/4 01 
Page 32 of 54  HI 800 161 E Rev. 1.01 
4.1.3  Mounting the F3 AIO 8/4 01 in Zone 2 
(EC Directive 94/9/EC, ATEX) 
The remote I/O is suitable for mounting in zone 2. Refer to the corresponding declaration of 
conformity available on the HIMA website. 
When mounting the device, observe the special conditions specified in the following 
section. 
Special Conditions X 
1.  Mount the remote I/O in an enclosure that meets the EN 60079-15 requirements and 
achieves a type of protection of at least IP54, in accordance with EN 60529. Provide the 
enclosure with the following label: 
 
Work is only permitted in the de-energized state 
 
Exception: 
If a potentially explosive atmosphere has been precluded, work can be also performed 
when the device is under voltage. 
2.  The enclosure in use must be able to safely dissipate the generated heat. The power 
dissipation of the module F3 AIO 8/4 01 is 18 W at maximum. 
3.  Protect the HIMatrix F3 AIO 8/4 01 with a 10 A time-lag fuse. 
The remote I/O must be supplied with 24 VDC from a power supply unit with safe 
isolation. Use only power supply units of type PELV or SELV. 
4. Applicable standards: 
VDE 0170/0171 Part 16,  DIN EN 60079-15: 2004-5 
VDE 0165 Part 1,     DIN EN 60079-14: 1998-08 
 
Pay particular attention to the following sections: 
DIN EN 60079-15:   
Chapter 5  Design 
Chapter 6  Terminals and cabling 
Chapter 7  Air and creeping distances 
Chapter 14  Connectors 
DIN EN 60079-14:   
Chapter 5.2.3  Equipment for use in zone 2 
Chapter 9.3  Cabling for zones 1 and 2 
Chapter 12.2  Equipment for zones 1 and 2 
 
The remote I/O is additionally equipped with the represented label: 
 
Figure 9:  Label for Ex Conditions