Description Of The Hardware - Siemens SIRIUS 3RA6 System Manual

7.12.2

Description of the hardware

Features
The AS-i mounting module is mounted on the compact starter with 24 V control supply
voltage, thereby enabling it to be controlled via an AS-Interface. The following components
are required for this purpose:
● AS-i master
● AS-i power supply unit
● 24 VDC PELV power supply unit
● Cables and connection plugs
The AS-i mounting module is available in 6 versions:
● AS-i mounting module for compact starter (article number: 3RA6970-3A)
● AS-i mounting module with two local inputs for safe shutdown (article
number: 3RA6970-3B). With this version of the AS-i mounting module, a Category 2
architecture in accordance with EN ISO13849-1 can be achieved with suitable
installation.
A limit switch, for example, can be connected via the screw-type terminals.
Note
Classification of the safety components
Depending on the safety components selected, the safety system as a whole can be
classified in a lower safety category in accordance with EN ISO 13849-1:2007.
● AS-i mounting module with two additional digital inputs (article number: 3RA6970-3C)
● AS-i mounting module with one additional digital input and one digital output (article
number: 3RA6970-3D)
● AS-i mounting module with two additional digital outputs (article number: 3RA6970-3E)
● AS-i mounting module with two digital inputs for manual control of the compact starter
(article number: 3RA6970-3F).
For additional information on connecting the AS-i mounting module, please refer
to "Connecting the AS-i mounting module (Page 214)".
SIRIUS 3RA6 compact starter
System Manual, 09/2014, NEB560060102000/RS-AA/006
7.12 AS-i mounting module for 3RA61/3RA62 compact starter
Accessories
207