GHM-Martens STL50Ex, Operating Manual

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1  Intended use (areas of application) 

Refer to the chapter 'Product description' for detailed specifications for 
the area of application. 
 
The operational safety of the device is only assured when used as in-

tended in accordance with the specifications in the operating manual. 
Intervention beyond the actions described in the operating manual may only be car-
ried out by personnel authorised by the manufacturer for safety and warranty rea-
sons. Conversions or modifications made on one's own authority are expressly pro-
hibited. 

 
Application-specific dangers can emanate from this device when used im-
properly or not as intended. 
The device is intended for operation in safety-relevant systems up to 
SIL2. 

The device is not suitable for use in explosion-prone areas. 

 
General safety instructions, use 

This operating manual must be kept in a location such that qualified personnel can 
refer to it at all times. 
Any processes described in this operating manual may only be carried out by 
trained, qualified personnel who are authorised by the owner and wearing protec-
tive clothing. All rights reserved. 
 

1.1  Safety signs and symbols 

Warning notices are identified in this document as described below: 
 

DANGER 

Warning! This symbol warns of imminent danger which can result 
in death, severe bodily injury, or severe property damage in case 
of non-observance.

Attention! This symbol warns of potential dangers or harmful situ-
ations which can cause damage to the device or to the environ-
ment in case of non-observance.

Note! This symbol indicates processes which can have a direct 
influence on operation or can trigger an unforeseen reaction in 
case of non-observance.

Warning! of an area in which explosive atmospheres can form.  
This only applies to devices with ATEX approval.