AS-Interface 3SU14
11.1 Application areas
SIRIUS ACT 3SU1 pushbuttons and signaling devices
254 System Manual, 08/2018, A5E03457306020A/RS-AK/010
AS-Interface standard modules (slave 4I/4O and A/B slave 4I/3O)
Mounted in a 3SU1 enclosure, the AS-Interface module modules 4I/4O and 4I/3O can query
4 mechanical contacts. The AS-Interface module 4I/4O also enables control of 4 indicator
lights, while the module 4I/3O enables control of 3 indicator lights. The power required is
supplied by the AS-Interface system. In conjunction with an A/B-compatible AS-Interface
master, up to 62 x 4I/3O modules can be operated in one AS-Interface network.
Application areas for AS-Interface modules for front plate mounting
The AS-Interface modules for front plate mounting are used to connect an EMERGENCY
STOP device from the SIRIUS ACT series to the AS-Interface bus system according to
ISO 13850. The modules for front plate mounting are suitable for pushbuttons with front plate
mounting.
The AS-Interface modules for front plate mounting have a safe AS-Interface slave 2I and are
snapped onto the holder from behind.
The expanded version 2I/1O includes an output for controlling a signaling element with LED.
Depending on the version, the connection to the AS-Interface bus cable is by means of
screw terminals, spring-loaded terminals or insulation displacement method. Addressing is
performed using the AS-Interface connection or the integrated addressing socket.
With the modules for front plate mounting, applications up to SILCL 3 as per IEC 62061,
SIL 3 as per IEC 61508 and PL e (Cat. 4) as per ISO 13849-1 can be implemented
depending on the connection of evaluation unit and actuators.
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