Rockwell Automation Publication 440R-IN088A-EN-P - July 2022 3
Minotaur MSR138DP, MSR138.1DP 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 rok.auto/literature.
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
Figure 2
.
Wiring Examples
Figure 3 - Example 1
Figure 3
shows dual-channel E-stop, cross fault monitored, and monitored reset.
Circuit Diagram
Figure 4 - Diagram
Approximate Dimensions
Figure 5 - Dimensions [mm (in.)]
E-stop
E-stop Reset
Timer Override Feedback Loop
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
Y39, Y40 Timer override
13, 14 Safety output 1 (N.O.)
23, 24 Safety output 2 (N.O.)
37, 38 Timer output 1 (N.O.)
47, 48 Timer output 2 (N.O.)
57, 58
(1)
(1) MSR 138DP
Timer output 3 (N.O.)
55, 56
(2)
(2) MSR 138.1DP
Timer output 3 (N.C.)
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
CHT1
Status indicator illuminates green when Delayed Safety Output
channel 1 activates
CHT2
Status indicator illuminates green when Delayed Safety Output
channel 2 activates
Start Status indicator illuminates green when the reset circuit closes
Overvoltage
Protection
24V DC
AC
Start Logic
MSR 138DP
MSR 138.1DP
Logic
Channel 1
Logic
Channel 2
Timer
Override
START
PWR
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