6
Electrical installation
Installation instructions
Manual – MOVISAFE
®
CSB51A Safety Option
20
6 Electrical installation
6.1 Installation instructions
WARNING
The STO connection of the basic device might be assigned.
Severe or fatal injuries.
• If a MOVISAFE
®
CSB51A safety option is installed in the basic device, the con-
nections X9:1, X9:2, X9:3, X9:4, X9:11, X9:12, X9:21 and X9:22 must not be as-
signed.
To guarantee electrical safety and fault-free operation, you must observe the general
installation instructions and the notes in the operating instructions of the respective ba-
sic device that is used.
6.2 Safe digital output F-DO_STO
The switching state of the internal output F-DO_STO and thus the STO safety function
must be stable at least once within 60seconds for a minimum of 2seconds.
If the extended diagnostics is active via the "Assist CS.." parameterization tool, the
signal must be stable "1" or stable "0" for 2.5 seconds. The error response "Output
error", which blocks the safe digital output F-DO_STO, is triggered if this stable state
cannot be effected, resulting in a failure to execute the diagnostics in their entirety.
25931075/EN – 04/2019
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