www.ssz-gmbh.de [email protected] Thüringerstrasse 17, 46286 Dorsten
6
CONTROL UNIT LABELLING
MAINTAINED SAFETY LEVEL
SSZ-RZ4 /SSZ-RZ4B
The control units correspond to category 3, Performance Level
PLd - in compliance with EN ISO 13849-1.
NOTE: The control unit is a part of the system. SSZ a pressure-sen-
sitive a control unit, PLd is the highest safety level for
the entire system.
Any modifications nor installation of any other devices in the sys
-
tem is allowed. Only the SSZ control unit is an appropriate device
to control the SSZ pressure-sensitive product. Any replacements
of devices: of a control unit or of a pressure-sensitive product
by a solution of other manufacturer pose risks of failure or mal-
function of the entire system. Components may be replaced by
the end-user. Replacement tasks shall be undertaken by properly
trained technical personnel, with technical knowledge of machine/
device assembly and functions.
The end-user shall independently determine
the safety level of its application.
Safety category and level shall comply with
the category and level of safety assurance, as
determined by risk assessment.
