About safety module
The SMS20 and SMS31 safety modules are designed in Category 4, Performance Level e in accordance with the Machine Directive and EN ISO 13849-1 to monitor and control safely the safety
circuits in applications with emergency stops, safety gates, safety magnetic switches, safety limit switches and electromechanical interlocks. They are also used to control safely the safety
circuits of the lift car levelling, unintended car movement and the lift pit inspection, in compliance with the Lifts Standards EN 81-20 and EN 81-50.
Multiple types inputs. The safety modules can monitor
the safety state of several types of inputs: E-stop, E-gate,
limit switches, non-contact switches
Machinery Directive compliance. Cat. 4, PL e in
accordance with EN ISO 13849-1
Lifts Directive compliance. EN 81-20 and EN 81-50
standards
Multiple operating modes. The modules can operate
with automatic, manual or monitored manual start/reset
Safety outputs. Electromechanical forcibly guided
safety relays with 3NO+1NC aux outputs (SMS31) or
2NO outputs (SMS20)
Flexible wiring. The modules are equipped with
detachable screw terminals for easy wiring and product
maintenance; the terminal blocks are coded so to avoid
wiring mistakes
Diagnostic. LED indications for power supply, state of
the safety inputs and state of the safety outputs
Compact. 1-DIN, W x H x D: 17,5 x 110,8 x 121,1mm
Approval by TV. CE, cULus
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