NORSTAT Safety Relays - Handbuch (Seite 44)

application guide safety relays from riese electronic page 42
24V AC/DC
A1(+) Y2 Y1
START
Halt/
E-
STOP
Not-
A2(-) 13 23 41 33
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 protected wiring ( short current circuit
exclusion ) and regularly tests, for example during
maintenance, up to category 3; SIL2; PLd
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 protected 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