Presence sensing safeguarding devices according to – NORSTAT Safety Relays Benutzerhandbuch
Seite 26
application guide safety relays from riese electronic
page 25
4
Presence sensing safeguarding devices according to
DIN EN 61496-1
The presence sensing safety devices include
light curtains and safety light barriers.
There are two different types :
type 2
For applications with a low level of risk.
This relates to safety category 2 according to EN 954-1.
type 4
For applications with a high level of risk. This relates to
safety category 4 according to EN 954-1.
There are different modes of operation ( terms are
defined under section B.3,
please look at page 12).
Protection mode with restart lock
Specifications of possible riese safety relays
Type
specialties
safety outputs
auxiliary outputs
opposite
polarity
between
channels
internal reset
monitoring
category
SAFE L
a) light curtains/barrier
application
2
- no yes 4
SAFE L.1
a) light curtains/barrier
application
2
- no no 4
SAFE L.2
a) light curtains/barrier
application
3
-
no selectable 4
SAFE ILL
Fieldbus connection over
Inline system
2
- selectable yes
2/4
RS-NAGL
RS-NAGL.1
light curtains/barrier
application
2
2
2
2
yes
no
yes
yes
4
4
RS-NAGU.1
Muting / semiconductor
outputs
3
2* selectable yes
4
RS-NAGU.2 f
Muting / relay output
3
2 + 2*
selectable
yes
4
RS-NAGU.1b
Muting / semiconductor
outputs
3
2* selectable yes
4
RS-NAGU.12
Muting / semiconductors
outputs
3
2* selectable yes
2
SAFE FLEX
22.5mm housing
2
1
yes
yes
4
* ready for special functions
a) If SAFE L used for safety light curtains: by the reset monitoring one fault is not detected. If necessary,
depending on risk assessment (EN954-1) use in that case RS-NAGL.
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Tel: 973-586-2500 Fax: 973-586-1590 www.norstat.com