Single-channel wiring
Fig. 7-3: STO function with single-channel wiring and passive safety unit
If the wiring (as illustrated above) between the passive safety unit and
connector XG41 of the "T0 option" is to be a single-channel wiring, the wiring
has to be implemented as a "safe wiring". For this purpose, the following fault
exclusions have to be made:
● Short circuits with other potentials
● Short circuit with 24 V
● Short circuit with ground
See also EN ISO 13849-2:2012, table D.4
In the case of single-channel wiring between the passive safety unit and
connector XG41 of the "T0 option", the internal structure of the passive safety
unit, too, has to meet the requirements of the "safe wiring".
Application engineers are free to choose any dynamization signal.
ctrlX SAFETY "Safe Torque Off" Safety Option in ctrlX DRIVE
33/65
Examples of application
R911383774_Edition 03 Bosch Rexroth AG
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