36
Rev. 1 | 01/2020 | MS Safety Module | © 2020 | Comepi srl
EN
10.2 Application
10.2.1 Extension module in single channel mode
A
• Connection of NO safety output of the master module between S11-S12 for input 1
• Connection between S12-S22 for input 2
The safety relay output from a master safety module is activated and the safety outputs of MS1E41-024 switch ON,
while the NC feedback output opens.
B
The opening of the safety relay output of the master module forces immediately the safety outputs of MS1E41-024
to the open state, and the NC feedback output to the close state.
The MS1E41-024 is intended to expand the number of safety outputs of a master safety module. It must be wired correctly to a
master safety module to reach the needed safety category.
It can be used as an extension unit of safety modules with free-of-voltage relay output; it can also be used with the MT or
MS series safety modules with OSSD safety outputs, to provide for safety relay outputs.
10. MS1E41-024
S11-S12: channel 1 NO input
S21-S22: channel 2 NO input
A1: power supply 24 Vdc (+)/Vac (~)
A2: power supply 24 Vdc (-)/Vac (~)
13-14: NO safety output
23-24: NO safety output
33-34: NO safety output
43-44: NO safety output
51-52: NC feedback output
10.1 Terminal layout
A1
A2
S11 S12
S21 S22
13
14
23
24
33
34
43
44
L
51
52
Master
module
K1
K2
K3
N
K4
Feedback signal
Pwr 24V (+/~)
Pwr 24V (-/~)
Expansion Unit ytefaS
Power
Input 1
Input 2
Channels
X3
A2
A1
52
S22
S12
51
S21
S11
13
23
14
24
43
44
33 34
MS1E31-024
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