NORSTAT Safety Relays - Handbuch (Seite 57)

application guide safety relays from riese electronic page 54
g) RS-NAGMP / RS-NAGMP.1
Both Emergancy Stop Relays are the follower of the former RS-NAGM. Compared to the RS-NAGM the
RS-NAGMP provides a selectable opposite polarity between channels with the additional terminal T21.
The version RS-NAGMP.1 is terminal and functional compatible to the RS-NAGM and provides no
opposite polarity between channels.
Single channel emergency stop butt on with
RS-NAGMP
For this application terminals T12 and T22, as
well as X1 and X2 must be bridged. The device is
activated by pressing the start button. Contacts
13-14, 23-24 and 33-34 close, contact 41-42
opens. By activating the off button or the
emergency stop button the contacts return to their
normal position. In this application the demand of
redundancy in the switch is not accomplished.
Suitable up to category 2; SIL1; PLd reachable.
Dual channel emergency stop button with RS-
NAGMP
Using the dual channel emergency stop button
the terminals T12 and T22 are not bridged. The
function is similar to application No. 1.
In this application a fault in the emergency stop
button will be detected.
Suitable up to category 3; SIL2; PLd reachable
Negative example
Warning:
This application is not accordance to VDE 0113
and isn`t reliable, because the emergency stop
button can be reset and the device automatically
restarted and generates an output.
Dual channel emergency stop button with
automatic reset.
In this application the activation of the device
works automatically, since terminals T33 and T34
are bridged.
T22 X1 T33 T11 T34
NOT-
AUS/
E-
STOP
T12 X2
AUS/
OFF
T12 13 23 41 33
T22 X1
S
TA
R
T
T33 T11 T34
Not-
Halt/
E-
STOP
T12 X2 T12 13 23 33 41
24 14 34 42
T21 T23
Not-
STOP
E-
Halt/
T22 X1
S
TA
R
T
T33 T11 T34 T12 X2 T12 13 23 33 41
24 14 34 42
T21 T23
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