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94
Rockwell Automation Publication 450L-UM001F-EN-P - March 2022
Chapter 6 Installation and Wiring
Guardmaster SI Safety Relay
is an example of connecting to a 450L-B safety light curtain with a
5-pin transmitter plug-in (catalog number 450L-APT-PW-5) and 5-pin receiver
plug-in (catalog number 450L-APR-ON-5) to an SI safety relay (catalog number
440R-S12R2).
Figure 72 - Example of Connecting to a 450L-B Safety Light Curtain System
shows a connection example of a 450L-B safety light curtain with two
universal plug-ins (catalog number 450L-APU-UN-8) to an SI safety relay
(catalog number 440R-S12R2).
Figure 73 - Connection Example
450L-APT-PW-5
889F-F5NC-5
450L-APR-ON-5
889F-F5NC-5
450L-E4FN1200YD 450L-E4FN1200YD
S11 S12 S21 S22 S34 A1
13
L11 A2
14 23 24 Y32
SI
440R-S12R2
0
MM
AM
Tx
Rx
FE
FE
+24V DC
24V Com (0V)
PE
L
L
+
+
N
N
1606-XLP95E
24-
28V
DC ok
120-240V AC
Primary Protective Earth Ground
2 White (Not Used)
1 Brown
4 Black (Not Used)
3 Blue
5 Gray
4 Black OSSD1
1 Brown
2 White OSSD2
3 Blue
5 Gray
RESET
RESET
Aux
Aux
S2
450L-APT-PW-8
889D-F8NB-5
450L-APR-UN-8
889D-F8NB-5
450L-E4FN1200YD 450L-E4FN1200YD
Tx
Rx
FE
+24V DC
24V Com (0V)
PE
L
L
+
+
N
N
1606-XLP95E
24-
28V
DC ok
120…240V AC
NC
NC
FE
S11 S12 S21 S22 S34 A1
13
L11 A2
14
23 24 Y32
SI
440R-S12R2
0
MM
AM
Primary Protective Earth Ground
Connect 8 to 4 to
make UN a Tx
8 Red
2 Brown
4 Yellow
1 White
5 Gray
6 Pink
7 Blue
3 Green
8 Red Reset
2 Brown
5 Gray OSSD1
6 Pink OSSD2
4 Yellow EDM
1 White
7 Blue
3 Green
RESET
RESET