NORSTAT Safety Relays - Handbuch (Seite 73)

application guide safety relays from riese electronic page 69
Not-
Halt/
E-
STOP
S22 S10 S11 S21 S12
S
TA
R
T
S33 S35 S34
Not-
STOP
E-
Halt/
S22 S10 S11 S21 S12
ST
AR
T
S33 S35 S34
3 Product application for - emergency off-relays
- safety gate monitoring relay
- with time delayed
a) SAFE TA / TN / TR / TU
Dual-channel emergency stop
If the start bottom will be pressed and released
the output contacts 13-14, 23-24, 47-48 and 57-
58 will be closed. After the pressing the
emergency stop switch the contacts 13-14 and
23-24 will open immediately. The contacts 47-48
and 57-58 remains close during the selected
time delay. Before the time delayed contact are
not open a restart is not possible.(except SAFE
TR)
Suitable up to category 4; SIL3; PLe reachable
(immediate switching) Suitable up to risk
category 4 (time delayed output)
Single-channel emergency stop
If the start bottom will be pressed and released
the output contacts 13-14, 23-24, 47-48 and 57-
58 will be closed. After the pressing the
emergency stop switch the contacts 13-14 and
23-24 will open immediately. The contacts 47-48
and 57-58 remains close during the selected
time delay. Before the time delayed contact are
not open a restart is not possible. (except SAFE
TR)
Suitable up to category 4; SIL3; PLe reachable
(immediate switching) ** Suitable ut to risk
category 4 (time delayed output) **
Dual channel protection door monitoring
If the safety switches S1 and S2 are closed and
the start bottom will be pressed and released
then the output contacts 13-14, 23-24, 47-48
and 57-58 will be closed. With automatic start
S34-S35 they will be closed after closing the
safety switches. After the opening of the safety
switches the contacts 13-14 and 23-24 will open
immediately. The contacts 47-48 and 57-58
remains close during the selected time delay.
Before the time delayed contact are not open a
restart is not possible. (except SAFE TR)
Suitable up to category 4; SIL3; PLe reachable
(immediate switching) Suitable up to risk
category 4 (time delayed output)
S22 S10 S11 S21 S12
S1 S2
ST
ART
S33 S34 S35
NORSTAT INC. 300 Roundhill Dr. Rockaway, NJ 07866 Tel: 973-586-2500 Fax: 973-586-1590 www.norstat.com