The Sirius 3RK3 allows operators to quickly and easily replace devices
as necessary or expand the system as needed. The system’s central unit
is designed with eight safety-related inputs, one safety-related relay
output, and one safety-related solid-state output. Users can connect up
to seven expansion modules to the central unit. Expansion modules
include safety-oriented input modules, mixed modules with safe inputs
and relay or electronic outputs, and standard output modules. The
Sirius 3RK3 is certified for use in safety applications to Cat 4 in
accordance with EN954-1, and SIL3 in accordance with IEC 61508/62061.
Siemens Energy & Automation Inc.
www.sea.siemens.com
800.241.4463
Siemens Energy & Automation Inc.
www.sea.siemens.com
800.241.4463
