Supplementary Manual DeviceNet for NORDAC SK 200E
12 Subject to technical amendments BU 0280 GB
1.6 Version with protection class IP55 / IP66
NORDAC SK 200E frequency inverters and the external additional modules are available in all sizes and
powers in the protection classes IP55 (standard) or IP66 (optional).
The protection class IP66 must
always be included in the order when ordering!
There are no restrictions or differences to the scope of functions in either protection class. In order to
differentiate the protection classes, modules with protection class IP66 are given an extra
“ -C” (coated
coated PCBs) in their type designation.
e.g. SK TU4-DEV-
C
IP55 version
:
The IP55 version of the external technology units is the
standard version. Both versions (inverter-mounted
– as an attachment to the frequency inverter or wall mounted on the wall bracket) are available.
IP66 design
:
The IP66 design is a modified
option compared to the IP55 design. With this design, both versions (inverter-
mounted or wall-mounted) are also available. The modules available for the IP66 version have the same
functionalities as the corresponding modules for the IP55 version.
NOTE
The modules for the IP66 design are identified by an additional "-C" and are modified
according to the following
special measures!
Special measures:
Impregnated PCBs, painted housing
Diaphragm valve for pressure compensation on temperature changes.
Low pressure test
A free M12 screwed connection is required for low pressure testing. After successful
testing, a diaphragm valve is inserted here. This screw connection is therefore no longer
available for a cable gland.
NOTE
For all versions, care must be taken that the cable and the cable gland are carefully
matched. This is essential to ensure that the required protection class is maintained.
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