NORSTAT Safety Relays - Handbuch (Seite 50)

application guide safety relays from riese electronic page 47
Y1 Y2 23 A2(-) A1(+) 13
24V AC/DC
14 24
Start
Not-
STOP
E-
Halt/
Dual channel emergency stop
For this application the normally closed contacts
of the emergency stop button must be
connected in series to the power supply. With
the START button the unit is started. The
contacts 13-14, 23-24 and 33-34 are closed,
contact 41-42 opens. Pressing the emergency
stop will reset the contacts.
In case of protecting wiring ( short current circuit
exclusion ) and regularly tests, for example
during maintenance, up to category 3; SIL2; PLd
reachable.
Dual channel safety gate monitoring
Dual channel safety gate monitoring
If the safety gate switches S1 and S2 are
connected, the output contacts remain
unchanged. The device will
be activated with the Start button. The contacts
13-14, 23-24 and 33-34 are closed, contact 41-
42
be activated with the Start button. The contacts
13-14, 23-24 and 33-34 are closed, contact 41-
42
In case of protecting wiring ( short current circuit
exclusion ) and regularly tests, for example during
maintenance, up to category 3; SIL2; PLd
reachable.
24V AC/DC
*
Y1 Y2 A1(+)
START
S1 S2
A2(-) 13 23 41 33
NORSTAT INC. 300 Roundhill Dr. Rockaway, NJ 07866 Tel: 973-586-2500 Fax: 973-586-1590 www.norstat.com