Leuze electronic MLC 500 - Device description; Device overview and synchronization

Device description
Leuze electronic MLC 520 Host/Guest 10
3 Device description
The safety sensors from the MLC 500 series are active opto-electronic protective devices. They satisfy the
following standards:
MLC 500
Type in accordance with ENIEC61496 4
Category in accordance with ENISO13849 4
Performance Level (PL) in accordance with ENISO13849-1:2015 e
Safety Integrity Level (SIL) in accordance with IEC61508 and SILCL in ac-
cordance with ENIEC62061
3
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 Transmitter Receiver
Function
package
Basic Standard Ex-
tended
SPG
Model MLC 500
MLC 501
MLC 500/
A
MLC 502 MLC 510
MLC 511
MLC 510/
A
MLC 520 MLC 530 MLC 530
SPG
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 ■