Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
  adjustable range of NC contact
N   after travel
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NOTICE: Not available! SLB 240
• Up to 2 light barrier pairs SLB 200 can be connected
• 1 safety contact
• 1 Signalling output

Ordering details
Product type descriptionSLB 200-C04-1R
Article number101138897
EAN Code4030661281537
Approval TÜV
StandardsEN ISO 13849-1, IEC 61508
PLup d
Control categoryup 2
PFH value
- up to max. 500000 switching cycles/year1.01 x 10−7 / h at DC 2 A
- up to max. 50000 switching cycles/year2.8 x 10−7 / h at AC 2 A
SILup 2
Mission time20 Years
Global Properties
Permanent lightSLB 200-C
StandardsIEC/EN 61496-1/-2, EN ISO 13849-1
Compliance with the Directives (Y/N) Yes
Mountingsnaps onto standard DIN rail to EN 60715
- Material of the housingsPlastic, glass-fibre reinforced thermoplastic
Start conditionsTest button, Start button, on/off coding
Start input (Y/N)Yes
Feedback circuit (Y/N)Yes
Start-up test (Y/N)No
Automatic reset function (Y/N)Yes
Reset with edge detection (Y/N)Yes
Response time30
Time to readiness300
Mechanical data
Connection typeScrew connection
Cable section
- Min. Cable section-
- Max. Cable section4
Detachable terminals (Y/N)No
noticeAll indications about the cable section are including the conductor ferrules.
restistance to shock10 g / 16 ms
Resistance to vibration To EN 60068-2-610…55 HZ, Amplitude 0,35 mm
Ambient conditions
Ambient temperature
- Min. environmental temperature0
- Max. environmental temperature+50
Storage and transport temperature
- Min. Storage and transport temperature−20
- Max. Storage and transport temperature+80
Protection class
- Protection class-EnclosureIP40
- Protection class-TerminalsIP20
- Protection class-ClearanceIP54
Air clearances and creepage distances To IEC/EN 60664-1
- Rated impulse withstand voltage Uimp4.8 kV
- Overvoltage categoryII To VDE 0110
- Degree of pollution3 To VDE 0110
Electromagnetic compatibility (EMC)
EMC ratingconforming to EMC Directive
Electrical data
Type of actuationDC
Switch frequencymax. 10 HZ
Rated operating voltage Ue24 VDC ±20%
Operating current Ie180 mA
Number of safety contacts1
Number of auxiliary contacts0
Number of signalling outputs1
Switching capacity
- Switching capacity of the safety contactsmax. 8 A
- Switching capacity of the signaling/diagnostic outputs500 mA
Fuse rating
- Protection of the safety contacts4 A gG D-fuse
Utilisation category To EN 60947-5-1AC-15: 250 V / 2 A
DC-13: 24 V / 2 A
Number of undelayed semi-conductor outputs with signaling function0
Number of undelayed outputs with signaling function (with contact)0
Number of delayed semi-conductor outputs with signaling function.0
Number of delayed outputs with signalling function (with contact).0
Number of secure undelayed semi-conductor outputs with signaling function0
Number of secure, undelayed outputs with signaling function, with contact.0
Number of secure, delayed semi-conductor outputs with signaling function0
Number of secure, delayed outputs with signaling function (with contact).0
LED switching conditions display
LED switching conditions display (Y/N)Yes
Number of LED´s4
LED switching conditions display
- The integrated LEDs indicate the following operating states.
- RELAY, green: safety contact on
- RELAY, red: safety contact off
- RESTART, yellow: Waiting on authorised operation, RESTART button not yet pressed
- ERROR, Orange: Internal or external fault (contactor contacts welded or test button [N.C.] not connected)
Miscellaneous data
Applications Safety light barriers
- Width45 mm
- Height84 mm
- Depth118 mm
In order to set for the desired mode of operation and number of light barriers connected, remove the front cover of the safety monitoring module. As supplied all switches are in Position 1.
The required functions can be selected by means of the internal DIP switches.
DIP switch 1
- Position 1with Contactor control
- Position 2without Contactor control
DIP switch 2
- Position 1with start/restart interlock
- Position 2without start/restart interlock
DIP switch 3
- Position 1Connection of 2 light barrier(s)
- Position 2Connection of 1 light barrier(s)
Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.
notice - Wiring example
Monitoring up to 2 pairs of light barrier devices and the power contactors using the SLB 200-C safety monitoring module
Test push button (T)
The test push button is connected to X13 and X14 in order to carry out a check of the light barrier monitoring function. The terminals X15 and X16 must be bridged.
Contactor check
To monitor an external contactor, the feedback circuit is connected to X17 and X18. The terminals X19 and X20 must be bridged.
Start push button (S)
The start push button can be used to start the monitoring of the light barriers for a new start or after an interruption. The terminals X3 and X4 must be bridged.
It is also possible to connect only one pair of light barrier devices.
The wiring diagram is shown for the de-energised condition.

K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D-42279 Wuppertal
The data and values have been checked throroughly. Technical modifications and errors excepted.
Generiert am 17.09.2019 - 06:08:37h Kasbase 3.3.0.F.64I