Rockwell Automation Publication 440R-IN089A-EN-P - July 2022
3
Minotaur MSR142RTP Monitoring Safety Relay Installation Instructions
Installation
Do not install this product until the installer obtains a copy of the instructions of
the manufacturer, in a language that they can understand. This instruction
publication is available in multiple languages at
.
Figure 1 - Mounting
Mount the enclosure to a minimum of IP54.
Figure 2 - Removable Terminals (P versions only)
To remove the terminals, insert a screwdriver and slowly move as shown in
.
Wiring Examples
Figure 3 - Dual-channel E-stop, Monitored Manual Reset, Monitored Output
Circuit Diagram
Figure 4 - Diagram
Approximate Dimensions
Figure 5 - Dimensions [mm (in.)]
E-stop
Ground
Reset
Output
Active
Inputs
Closed
Table 2 - Circuit Diagram Explanation
Abbreviation
Description
A1, A2
Power
S11, S12, S21, S22
Safety input (N.C.)
X1, X2, X3, X4, S33, S34
Link for auto reset
Y1, Y2
Monitoring loop feedback
13, 14/43, 44
Safety output 1 (N.O.)
23, 24/53, 54
Safety output 2 (N.O.)
33, 34/63, 64/73, 74
Safety output 3 (N.O.)
81, 82/101, 102
Auxiliary output CH1 (N.C.)
91, 92/111, 112
Auxiliary output CH2 (N.C.)
Y31, Y32, Y35
Auxiliary PNP semiconductor output
PWR
Status indicator illuminates green when the unit is powered,
flashing green if cross-loop faults occur
CH1
Status indicator illuminates green when the safety output
channel 1 activates
CH2
Status indicator illuminates green when the safety output
channel 2 activates
CH1 IN
Status indicator illuminates green when the safety input channel
1 closes
CH2 IN
Status indicator illuminates green when the safety input channel
2 closes
Start
Status indicator illuminates green when the reset circuit closes
24V DC GND
Reset
