39
EN
Rev. 1 | 01/2020 | MS Safety Module | © 2020 | Comepi srl
10.3.3 Safety parameters
ISO 13849-1 Safety Category Cat. 4*
ISO 13849-1 Performance Level PL e*
MTTF
D [a] 363,4
PFH
D [1/h] 1,59 E-10
DCavg 99%*
ß 5,00 E-02
ß
D 2,00 E-02
10.3 Technical data
10.3.1 Timing specication
Activation time Ta < 60ms
Release time Tr < 30ms
Simultaneity Ts Innite
10.3.2 Safety specication
Safety outputs 13-14, 23-24, 33-34, and 43-44
Safe state of outputs Open
Safety inputs S12-S11 and S22-S21
Safe state of inputs Open
Safety function
The release of either one or both safety inputs will release the safety
outputs.
10.3.5 Inputs
Number of safety channels 2
Safety inputs (contact inputs) S11-S12 and S21-S22
Loop resistance Max. 1 kΩ
Input voltage 0 - 35 VDC
Input current Typical 5 mA
10.3.4 Power supply
Power supply
24 Vdc ±10%, 2 W, Class 2
24 Vac -15/+10% 50÷60 Hz, 4.5 VA, Class 2
Overvoltage category III
Short circuit protection internal PTC
Rated insulation voltage 4 kV
*Information:
The MS1E41-024 is an expansion module with no internal diagnostics. To attain Cat 4, PL e according to EN
ISO 13849-1, the MS1E41-024 must be used with a Cat 4, PL e master module and the NC feedback output of
MS1E41-024 (contacts 51-52) must be connected in series with the start signal of the master module (as shown
in sections 10.2.2 and 10.2.3). This must be done to prevent any start/restart of the system if an internal
failure in the MS1E41-024 has occurred.
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