Operating Instructions – Safety-Related BST Brake Module
13
4
Permitted unit combinations
Safety-Relevant Conditions
4
Safety-Relevant Conditions
The safety function of BST can only be used for safe operation of the system/machine
if it is integrated correctly in an application-specific, higher-level safety function or safety
system. It is essential that the system/machine manufacturer conducts a system/
machine-specific risk assessment (e.g. according to EN ISO 12100) and validates the
required safety conditions and functions prior to startup. The system/machine manufac-
turer and the operator are responsible for compliance of the system/machine with
applicable safety regulations.
The following requirements are mandatory when installing and operating the BST brake
module in safety-related applications.
The conditions are divided into the following sections:
• Approved device combinations
• Installation requirements (page 14)
• Requirements for the external safety controller (page 16)
• Startup requirements (page 17)
• Operation requirements (page 18)
4.1
Permitted unit combinations
The following BST unit types are permitted for safety-related applications:
Type designation
Part number
Approved SEW disk brakes
BST 0.6S-460V-00
0 829 971 4
All brake coils with a coil voltage of AC 460 V and a coil power
≤
120 W.
Several brake coils can be connected for redundant systems.
In this case, the total power must not exceed 120 W.
BST 0.7S-400V-00
1 300 077 2
All brake coils with a coil voltage of AC 400 V and a coil power
≤
120 W.
Several brake coils can be connected for redundant systems.
In this case, the total power must not exceed 120 W.
BST 1.2S-230V-00
1 300 133 7
All brake coils with a coil voltage of AC 230 V and a coil power
≤
120 W.
Several brake coils can be connected for redundant systems.
In this case, the total power must not exceed 120 W.
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