NORSTAT Safety Relays Benutzerhandbuch

Seite 63

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application guide safety relays from riese electronic

page 60

Not-

STOP

E-

Halt/

T34

T11

X1 X2 T12 T22 T44 13...

...101

Ein

Knagv

13

14

Two channel emergency switch with external

contact expansion (2 contactors) and contact

control


In this application two contactors are used with
positive guidance of the contacts. Each normally
closed contact of these external contactors must
be connected in series to X1 and X2. The
function is like application No. 3. In this
application the demand of redundancy of the
external contacts of the external contactors is
accomplished. Through the switch S

ext.

the

external contactors ca be operated or turned off
at any time if RS-NAGV is activate.

Suittable up to category 4; SIL3; PLe reachable

Two channel protection door monitoring


If you close switches S1 and S2 the output
contacts remain unchanged. The device will be
activated by pressing the release switch.
Contacts 13-14, 23-24, 33-34, 43-33, 53-54 and
63-64 close with a delay of appr. 100ms. When
the protection door switches open, the contacts
return to their normal position.

Suittable up to category 4; SIL3; PLe reachable


Two channel protection door monitoring with

extended control of the release switch


If the protection door switches S1 and S2 are
closed, the output contacts remain unchanged.
Through a short operation (opening and closing)
of the protection door switches the contacts 13-
14, 23-24, 33-34, 43-44, 53-54 and 63-64 close
after the releasing of the switch with a delay of
appr. 100ms. When the protection door switches
open, the contacts return to their normal position
without delay.

Suittable up to category 4; SIL3; PLe reachable

Two channel protection door monitoring with

automatic activation


In this application the activation of the device
works automatically, since the terminals T11 to
T34 are bridged. If the protection door switch is
closed, the contacts close after a delay of appr.
100ms. When the protection door switches
open, the contacts return to their normal position
without delay.

Suittable up to category 4; SIL3; PLe reachable

Freigabe

Freigabe

T34

T11

X1

X2

T12 T22 T44 13...

...101

Freigabe

NORSTAT INC. 300 Roundhill Dr. Rockaway, NJ 07866

Tel: 973-586-2500 Fax: 973-586-1590 www.norstat.com

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