28 Rockwell Automation Publication 440R-RM003A-EN-P - July 2021
Chapter 3 MSR300 Safety Relay
Two CR30 safety relays, one with a 2080-IQ4OB4 plug-in module, can replicate
the robot zone function 9. The following schematic and logic diagrams show
the robot in the safe area.
OSSD1
+24V
LS1
N.C.N.0. N.C. N.0.
LS2
0V
OSSD2
OSSD1
+24V
0V
OSSD2
K3
K1 K2
K4
K5
K3
K4
K5
K6
05
CR30
440C-CR30-22BBB
020100 03 04
A1 15
20
21
16
06
18A2
07
19
08 10 11
12 13 14
09
17
O-01
2080-IQ4OB4
COMI-01I-00 +24 O-00
I-02 O-03I-03 COM -24 O-02
K1
K2
LS3
N.C.N.0.
24V Com
+24V DC
05
CR30
440C-CR30-22BBB
020100 03 04
A1 15
20
21
16
06
18A2
07
19
08 10 11
12 13 14
09
17
K6
Safe Area
E-stop 1
E-stop 2
Light Curtain 1
Light Curtain 2
Reset 1
Reset 2
Muting
Lamp 2
Muting
Lamp 1
Zone 1
Zone 2 Robot
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