HIMA 98 2200126, Руководство пользователя, Страница: 25 / 40

CPU 01 4 Start-Up
HI 800 189 E Rev. 1.01 Page 25 of 40
4.1.2 Mounting the CPU 01 in Zone 2
(EC Directive 94/9/EC, ATEX)
The device 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. The module must be mounted in an enclosure, which fulfills the requirements of the EN
60079-15 with the type of protection at least IP54, according to 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 also performed
when the controller is under voltage.
2. The enclosure in use must be able to safely dissipate the generated heat. The power
dissipation (PV) of the CPU 01 module is 6.5 W (without communication module).
Depending on the type and number of communication modules, the power dissipation
can increase up to 12 W.
3. The HIMatrix CPU 01 module must be supplied with 24 VDC from a power supply unit
with safe isolation. Only power supply units of type PELV or SELV may be used.
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 module is additionally equipped with the label represented below:
Figure 4: Label for Ex Conditions