Device security
2.8
Device installation
39
UM Security BRS-2A
Release
8.7
05/2022
2.8 Device installation
The following description applies to:
The installation of a device in a new system
Changes to the device as part of operation or maintenance
Perform the device installation according to the user manual "Installation" for the device.
2.8.1 Data connections
Perform the data connections according to the user manual "Installation" for the device. If you have
high device availability requirements, use redundant data uplinks.
2.8.2 Signal Contact considerations
If you use the Signal Contact, consider the following security and safety aspects:
To help protect the device, connect the Signal Contact only to a circuit that meets the device
requirements. For details, see the user manual "Installation".
To help protect your system, connect the Signal Contact only to circuits that do not have
explicit security or safety requirements. This means:
– The circuit controlled by the Signal Contact does not have any security or safety function.
– The controlled circuit does not rely on the secure or safe operation of the Signal Contact.
2.8.3 Digital Input considerations
If you use the Digital Input, consider the following security and safety aspects:
To help protect the device, connect the Digital Input only to a circuit that meets the device
requirements. For details, see the user manual "Installation".
To help protect your system, connect the Digital Input only to circuits that do not have explicit
security or safety requirements. This means:
– The circuit that controls the Digital Input does not have any security or safety function.
– The controlling circuit does not rely on the secure or safe operation of the Digital Input.
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