SLE21 Safety Interlock Switch

Brand: ESPE

Model: SLE21 series

Product Feature:

1. 500N electromagnetic force lock;

2. Easy to integrate (max. 20sets);

3. Permanent magnet built-in actuator;

4. Small size, easy to install;

5. Full perspective indicator light;

6. Non-contact without powder.

 

Product Details

Parameter of Safety Interlock Switch

Type  Hinged door
 Miniature size
M12 conn ector  
Standard mode Advanced mode
Working distance Sao(Off-On)  4mm 
Sar(On-Off)  4mm 
Response time Lock→release  200ms 
Release→lock  200ms 
Detect→non-detect  20ms+2ms* (cascading amount-1) 
Non-detect→detect  300ms+25ms* (cascadingamount-1) 
Control output Output method Transistor output*2
Max. load current 150mA
Residual voltage (during ON) 2.5V max.(5m cable) 3.5v(31m cable)
OFF stage voltage 2.0Vmax.(5m cable) 3V (31m cable)
Leakage current 0.5mA max.
Max.capacitive load 4uF
Load wiring resistance 2.5Ω max.
AUX output (Notsafety output) Output Transistor
Max. load current 50mA
Residual voltage (when ON) 2.5V max. (5m cable) 3.5V (31m cable)
Externalinput (Short circuit current) Safety input Approx.1.5mA x2
Lock control input (OSSD switching input) Approx.5mA
Reset/EDM input Approx.5mA (only for advanced function)
EDM option input Approx.2.5mA (only for advanced function)
Power Power supply 24VDC±10% (ripple P-P 10% Class 2)
Power consumption <5W
Circuit protection Reverse current protection, short-circuit protection and surge protection for each output
Environmental resistance Enclosure rating IP67
  Ambient temperature -10°C~+55°C(No freezing)
  Storage temperature -25℃~+70°C(No freezing)
  Operating relative humidity 5% to 95%RH
  Storage relative humidity 5% to 95%RH
  Vibration resistance 10 to 55Hz, double amplitude 2.0mm, 5 minutes in each of tine X,Y, and Z direction (IEC 60947-5-3)
  Shock resistance 30G in X,Y,Z directions 6 times each axis (IEC 60947-5-3)
Applicable standards (safety) EN ISO13849-1:2015(PLe,Category 4), IEC 60947-5-3, EN 60947-5-3

 

Product Size

 

 

Installation

Installation examples

1.Correct installation, main unit and sensing surface of actuator are facingeach other. 2.Wrong installation,main unit and sensing surface of actuator with 90° apart.
3.Wronginstallation, main unit and sensing surface of actuator with 180° apart. 4.Wrong installation, main unit and sensing surface of actu ator is not at the same level.
Installation mode
Diagram for actuator installation without bracket Diagram for actuator installation with bracket
SLE21 Safety interlock component
Switch main unit Actuator Installation bracket Cable for SLE21

 

Model explanation

 

Description for stand ard & advanced mode
  Safety output AU output Safet input Lockinput OSS action switch EDM / reset ED opion
Standard
Advanced

 

Cable

 

 

 

LED Indicator

     
Closed - green light flash Closed & Locked-green steady Open-red steady

 

Lock linked (OSSD switch)

LED indicator Status
OSSD Safety input LOCK Actuator
Green ON ON ON Presence
Red OFF ON/OFF ON/OFF Absence
Green blink OFF ON OFF Presence
Orange OFF OFF ON Presence
Orange blink OFF OFF OFF Presence
Orange flash OFF EDM false    
Red blink OFF System false    
Alternating in red , green and orange OFF Codeuniquely and confirmed, waiting for restart 
Alternating in red and green OFF Codeuniquely but not confirmed 
OFF OFF Power OFF 

If set in manual reset, the indicator turns to orange light until reset/EDM operated. 

 

Open/close link (OSSD switch) 

LED indicator Status
OSSD Safety input LOCK Actuator
Green ON ON ON Presence
Red OFF ON/OFF ON/OFF Absence
Orange OFF OFF ON/OFF Presence
Orange flash OFF EDM false    
Red flash OFF System false    
Alternating in red , green and orange OFF Codeuniquely and confirmed, waiting for restart 
Alternating in red and green OFF Codeuniquely but not confirmed 
OFF OFF Power OFF 

If set in manual reset, the indicator turns to orange light until reset/EDM operated.

 

Option for Brackets

Installation picture Bracket Name Brackets Size
SLE21-EL1