Regular Testing Of The Safety Device By Experts - SICK WSU26-2 Instrucciones De Servicio

Operating Instructions
WSU/WEU 26/2
8 008 631/P134/20-12-04 © SICK AG • Safety Systems • Germany • All rights reserved
Test Instructions
ode on the WEU must illuminate continuously. If this is not the
case, an inspection should be made to establish the diversion
path the beam takes from the WSU to the WEU.
This type of function check must be done:
!
daily before commencing production;
!
after modifying the WSU/WEU alignment;
!
after all maintenance and service work done on the protec-
tion system.
7.2 Regular testing of the safety device
by experts
! Inspection should be carried out in accordance with valid na-
tional regulations at the intervals defined in the regulations.
The objective of these inspections is to detect any changes
or modifications to the protection device since original com-
missioning.
! Inspections should also be carried out whenever major mo-
difications are made to the machine or protection equip-
ment, as well as after re-adjustment or repairs in the event
of damage occurring to housing, front lens, connecting ca-
ble, etc.
7.3 Daily testing of the safety module
by authorised personnel
Daily testing provides assurance that an effective personnel
protection system is in place.
It is the duty of the operator's staff to perform testing before
each working day.
Inspection by fully covering the light beam: the red diode on
the receiver unit must illuminate.
GB
Chapter 7
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