Functions:
-4 or 8 digital inputs for switch sensors type as following : mechanical switch contact contact type PNP or NPN at solid state inductive switch type NAMUR SJ2-N-Y -Alarm status indication by 4 or 8 red LED integrated in the front panel -Acknowledge pushbutton on front panel -Test pushbutton on front panel -Input configuration (N.O. or N.C) by pushbutton on front panel -Auxiliary output for external cumulative alarm or additional external hooter programmable by pushbutton on front panel