Single light beam safety devices
The MLD 500 is a model of Type 4 single light beam safety devices. This device operates within the highest safety classifications for protective equipment, meeting Type 4 in accordance with EN IEC 61496, SILCL 3 according to IEC 61508 and EN IEC 62061, and Performance Level (PL) e according to EN ISO 13849-1.
Description and Technical Specifications
| Specification | MLD 500 Type 4 single light beam safety devices |
|---|---|
| Safety Type (EN IEC 61496) | 4 |
| SIL / SILCL (IEC 61508 / EN IEC 62061) | 3 |
| Performance Level (PL) (EN ISO 13849-1) | e |
| Operating Range | 0.5 to 70 m, or 20 to 100 m |
| Light Source | LED, Infrared |
| Housing Material | Metal |
| Dimensions (W x H x L) | 52 mm x 193 mm x 64.7 mm |
| Ambient Temperature, Operation | -30 to 55 °C |
| Degree of Protection | IP 67 |
| Safety-related Switching Outputs (OSSDs) | 2 Piece(s), Transistor, PNP |
| Connection Type | Connector, M12 |
| Display | 7-segment display or LED |
Key Functions
The MLD 500 single light beam safety device supports several key safety and operational functions:
- Start/restart interlock (RES).
- Contactor monitoring (EDM), selectable.
- Configuration by means of wiring.
- Range reduction.
- Integrated laser alignment aid.
- 2-sensor muting (timing or sequence controlled).
- It also features an Alternative connection for second muting signal, muting enable function, [or] muting-timeout extension.
- AS-i Safety interface (optional).
Note: The sources also list "MLD 500 multiple light beam safety devices". The MLC 500 safety light curtain, a related product, can be used with device columns for floor mounting in applications like pallet magazine access guarding.