Operating Instructions Chapter 3
M4000 Adv., Adv. A/P, Area
8010797/YT72/2016-02-19 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 17
Subject to change without notice
Product description
The M4000 multiple light beam safety device operates correctly as a protective device only
if the following conditions are met:
The control of the machine must be electrical.
It must be possible to achieve a safe state on the machine at any time.
Sender and receiver must be mounted in a way that objects penetrating the hazardous
area are safely identified by the M4000.
The reset button must be fitted outside the hazardous area such that it cannot be ope-
rated by a person working inside the hazardous area. When operating the reset button,
the operator must have full visual command of the hazardous area.
The statutory and local rules and regulations must be observed when installing and
using the device.
3.3.2 Access protection on several sides with the aid of deflector mirrors
You can secure two sides of a hazardous area by using one deflector mirror (see Fig. 7),
with two deflector mirrors you can secure three sides (see Fig. 8).
Fig. 6: Access protection with
an M4000 Area 60/80
multiple light beam safety
device
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