NORSTAT Safety Relays - Handbuch (Seite 43)

application guide safety relays from riese electronic page 41
24V AC/DC
A2(-) Y1 Y2 A1(+)
START
Halt/
E-
STOP
Not-
41 13 33 23
24V AC/DC
A2(-) A1(+) Y2 Y1
START
ext
.
Not-
Halt/
STOP
K
1 ext
.
K
2
E-
13 23 41 33
ext. K2
K1 ext.
14
ext.
ext. S
U
F Applications of riese safety relays
Attention : Using external contactors in application spark quenching circuits are required and must be
connected directly to the contactor.
1 Product application - emergency stop relay
- safety gate monitoring relay
a) SAFE 1 / SAFE 1.1
(SAFE 1 : with start control)
(SAFE1.1: without start control)
Single channel emergency stop
By pressing the START button the unit is
activated. Contacts 13-14, 23-24, 33-34 close
and contact 41-42 opens. Pressing the
emergency stop will reset the contacts.
Suitable up to category 2; SIL1; PLd reachable
Single channel emergency stop with external
contact extension (1 contactor) and contact
monitoring.
This application uses one external positive guided
contactor. One normally closed contact of each
contactor must be connected in series to the
START button. Through the switch S ext. the
external contactor can be operated or turned off
at any time the SAFE 1 is activated.
Suitable up to category 2; SIL1; PLd reachable
Single channel safety gate monitoring.
If switch S1 of the safety gate is closed the output
contacts do not change state. Pressing the
START button activates the SAFE 1. When
contacts 13-14, 23-24 and 33-34 close and
contact 41-42 opens. Opening S1 of the safety
gate the reset immediately.
Suitable up to category 2; SIL1; PLd reachable
24V AC/DC
A2(-) Y1 Y2 A1(+)
START
S1
41 13 33 23
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