Two-Hand Operation To Sil 3 Or Pl E With A Safety Relay - Siemens SIRIUS ACT 3SU1 System Manual

Application examples
16.2 Examples of two-hand operation console applications
16.2.2

Two-hand operation to SIL 3 or PL e with a safety relay

Application
Two-hand operation consoles comprise two pushbuttons (e.g. mushroom pushbuttons or
sensor switches) that must be pressed simultaneously to operate a machine. This prevents
the operator from reaching into the danger zone during operation.
Configuration
Figure 16-3
You can find more information on the Internet.
Link: Siemens Industry Online Support
(https://support.industry.siemens.com/cs/document/109479531/sirius-act-sensor-buttons-in-
two-hand-control-station-?dti=0&lc=en-DE)
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Two-hand operation to SIL 3 or PL e with a safety relay
SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 08/2018, A5E03457306020A/RS-AK/010