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PRSU/M2SI Safety Interface Modules


Features:
• According to
  - Performance Level (PL) e and category 4 to EN ISO 13849-1: 2008
  - SIL Claimed Level (SIL CL) 3 to IEC/EN 62061
  - Safety Integrity Level (SIL) 3 to IEC/EN 61508 and IEC/EN 61511
• Acc. to EN 50156-1 for furnaces
• Line fault detection on On-button:
• Manual restart or automatic restart
• With or without cross fault monitoring
• 2-channel
• Forcibly guided output contacts
• Output: 2 NO contacts per safety function
• 1 semiconductor output per safety function
• LED indicator for operation, safety function 1, 2 and failure
• Removable terminal strips: plug in screw terminals


Input
Nominal voltage UN: DC 24 V
Voltage range: 0.8 ... 1.1 UN
Nominal consumption: typ. 3.2 W
Short-circuit protection: Internal PTC
Overvoltage protection: Internal VDR
Duty-cycle ON button: 0.1 s < tEIN < 3 s
Duty-cycle Reset button: > 3 s
Safety function
Safety mat / safety edge / Tapeswitch (4)
max. permitted
safety edge contact resistance: 1000 Ω
switching current at short circuit: typ. 15 mA at UN
Light curtains (8)
control current via S12, S22 e.g. S32, S42: typ. 8 mA at UN
Min. voltage on terminals S12, S22 e.g. S32, S42 when relay activated: DC 10 V
Output
Contacts  2 NO contacts per safety function
The NO contacts can be used for safe braking.
Thermal current Strom Ith: max. 8 A
Safety function
E-Stop (1) (6), Safety gate 2) (7), Exclusive or contacts (5)
Start up at UN: < 65 ms
Release delay at UN and disconnecting the supply: < 40 ms
Release delay at UN and disconnecting S12,S22 or S32, S42: < 60 ms&
Two-hand control (3)
Start up at UN: < 110 ms
Release delay at UN and disconnecting the supply: < 40 ms
Release delay at UN and disconnecting S12,S22 or S32, S42: < 60 ms
simultaneity demand: max. 0,5 s
Safety mat (4) / Safety Edge / Tapeswitch
Start up at UN: < 85 ms
Release delay at UN and disconnecting the supply: < 40 ms
Release delay at UN and disconnecting S12,S22 or S32, S42: < 60 ms
Light curtains (8)
Start up at UN: < 35 ms
Release delay at UN and disconnecting the supply: < 40 ms
Release delay at UN and disconnecting S12,S22 or S32, S42: < 25 ms
Switching capacity
to AC 15
NO contacts: 2 A / DC 24 V IEC/EN 60 947-5-1
to DC 13 
NO contacts:  2 A / DC 24 V IEC/EN 60 947-5-1 
Electrical life
at 5 A, AC 230 V cos φ = 1: > 1.5 x 10,5 switching cycles
Permissible operating frequency
1. safety function: max. 1800 switching cycles / h
2. safety function: max. 360 switching cycles / h
Short circuit strength
max. fuse rating: 6 A gL IEC/EN 60 947-5-1
Mechanical life:  10 x 106 switching cycles
Semiconductor monitoring output
(not safety): 1 per safety function 1 per safety function max. 50 mA DC 24 V, plus switching
General Data
Nominal operating mode:  continuous operation
Temperature range
Operation:  - 15 ... + 55 °C
Storage:  - 25 ... + 85 °C
Altitude:  < 2.000 m
Clearance and creepage distance
rated impuls voltage / pollution degree: 4 kV / 2 IEC 60 664-1
EMC
Electrostatic discharge (ESD): 8 kV (air) IEC/EN 61 000-4-2
HF irradiation: 10 V / m IEC/EN 61 000-4-3
Fast transients: 2 kV IEC/EN 61 000-4-4
Surge voltage between wires for power supply: 1 kV IEC/EN 61 000-4-5
between wire and ground: 2 kV IEC/EN 61 000-4-5
HF-wire guided: 10 V EN 61 000-4-6
Interference suppression:  Limit value class B EN 55 011
Degree of protection
Housing: IP 40 IEC/EN 60 529
Terminals:  IP 20 IEC/EN 60 529
Housing: thermoplastic with VO behaviour according to UL subj. 94
Vibration resistance: Amplitude 0,35 mm Frequency 10 ... 55 Hz, IEC/EN 60 068-2-6
Klimate resistance: 15 / 055 / 04 IEC/EN 60 068-1
Terminal designation:  EN 50 005
Wire connection: DIN 46 228-1/-2/-3/-4
Wire fixing:  captive slotted screw
Mounting: DIN rail IEC/EN 60 715
Weight: approx. 275 g