2TLC172255M0201, rev. D
5
2 Overview
General description
Smile 41 AS-i is a push-button box with various possibilities to control the protection surrounding a machine, for
instance to allow start, stop and reset when a protective device has been activated.
Function Description
Smile 41 AS-i is available in different variants:
Smile 41 WWWWN AS-i:
Pushbutton box with one non-safe AS-i
node (N = Standard addressing).
Smile 41 EWWWA AS-i:
Emergency stop pushbutton box with one
non-safe and one safe AS-i node.
(A = Extended addressing).
Smile 41 EKWWA AS-i:
Emergency stop pushbutton box with
safe key selector
One non-safe and two safe AS-i nodes.
(A = Extended addressing)
Warning!
The emergency stop push-button must only be used in emergency situations, not as a normal stop
signal.
