Device Description; Device Overview Of The Mlc Family - Leuze electronic MLC 500 Original Operating Instructions

3

Device description

The safety sensors from the MLC 500 series are active opto-electronic protective devices. They satisfy the
following standards:
Type in accordance with EN IEC 61496
Category in accordance with EN ISO 13849
Performance Level (PL) in accordance with EN ISO 13849-1:2015
Safety Integrity Level (SIL) in accordance with IEC 61508 and SILCL in ac-
cordance with EN IEC 62061
The safety sensor consists of a transmitter and a receiver (see chapter 3.1 "Device overview of the MLC
family"). It is protected against overvoltage and overcurrent acc. to IEC 60204-1 (protection class 3). The
safety sensor is not dangerously influenced by ambient light (e.g., welding sparks, warning lights).
3.1

Device overview of the MLC family

The series is characterized by four different receiver classes (Basic, Standard, Extended, SPG) with spe-
cific features and properties (see table below).
Tab. 3.1: Device models in the series with specific features and functions
Device type
Function
package
Model
OSSDs (2x)
AS-i
Transmission
channel
changeover
LED indicator
7‑segment
display
Automatic
start/restart
RES
EDM
Linkage
Blanking
Muting
SPG
Multi-scan
Range reduc-
tion
Test input
Leuze electronic
Transmitter
MLC 500 MLC 500/ MLC 502 MLC 510
MLC 501 A
■
■
■ ■
■
Basic
MLC 510/
MLC 511
■
■ ■
■ ■
■
■
■
MLC 520 Host/Guest
Device description
MLC 500
Receiver
Standard Ex-
tended
MLC 520 MLC 530 MLC 530
A
■ ■
■
■ ■
■ ■ ■
■ ■
■ ■
■ ■
■
■
■
■
■
4
4
e
3
SPG
SPG
■
■
■
■
■
■
■
■
10