MSR121RT ALLEN-BRADLEY [Allen-Bradley], MSR121RT Datasheet - Page 2

• Manufacturer Part Number: MSR121RT
• Description: Monitoring Safety Relays
• Manufacturer: ALLEN-BRADLEY [Allen-Bradley]

Product Selection
Dimensions—mm (inches) Block Diagram
Typical Wiring Diagrams
24VDC
E-Stop
24V DC Light Curtain, 115/230V AC Safety Relay,
N
L1
+
-
Monitored Manual Reset, Monitored Output
(1.77)
1 N.C., 2 N.C.,
Safety Mat or
Light Curtain
45
Monitored Manual Reset, Monitored Output
A1
A2
A1
Inputs
A2
MSR121RT
MSR121RT
+24V DC
S21 S22
S11 S12 S52
PE
Ground
S21 S22
S11
PE
Light curtain
Out 1 Out 2
Reset
S52
S34
S34
Dual Channel E-Stop,
S12
S33
X5
Reset
75 (2.95)
S33
X5
Y32
Y31
Y31
Y32
14 24
13 23
K1 K2
13 23
14 24
K1 K2
Safety Outputs
33 41
34 42
4.5 (0.17)
3 N.O.
33 41
34 42
K1
K2
K1
K2
L1
M
L2
L3
L1
M
L2
Auxiliary Outputs
L3
1 S.S. PNP
1 N.C.
Safety
Mat
Closed
Monitored Manual Reset, Monitored Output
A1
A2
A1
A2
Automatic Reset, No Output Monitoring
+24V DC
MSR121RT
A1
(+)
S21
(PE)
MSR121RT
Ground
S21 S22
S11 S12 S52
S21 S22
PE
+24V DC
S11
PE
Ground
Power Supply
Monitoring Safety Relays
S11
24V AC/DC
S22
Single Channel Safety Gate,
S52
115V AC
230V AC
K1
K2
S34
S34
S12
S52
X5
Reset
S33
X5
S33
X5
Safety Mat
S12
S33
Y31
Y32
Y31
Y32
MSR121RT
13 23
14 24
K1 K2
Y31
13 23
14 24
K1 K2
S34
Minotaur MSR121RT
Y32
14
33 41
34 42
34 42
Catalogue Number
33 41
13
14
440R-J23102
440R-J23100
440R-J23099
13
24
Safety Relays
23
24
23
K1
K2
K2
34
K1
34
33
L1
33
42
L1
M
L2
41
42
M
4-31
L2
L3
41
A2
(–)
L3