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Chapter 9
Maintenance and Care
Replace Optics Cover
76
ATTENTION: Perform an optics cover calibration with the aid of the SCD
software after the replacement of the optics cover.
The level of contamination is measured continuously during the operation of
the SafeZone Mini device. For this purpose, the optics cover calibration must
first be performed; this information serves as a reference for the
contamination measurement (status = not contaminated).
The optics cover calibration is only allowed to be performed with a new
optics cover. The new optics cover must be free of contamination at the time
of the optics cover calibration. The optics cover calibration must be
performed at room temperature [10...30 °C (50...86 ° F)].
If the optics cover is scratched or damaged, it must be replaced. Order the
replacement optics cover from Rockwell Automation (see
page
95).
• The optics cover on the SafeZone Mini device is an optical part that
must not be soiled or scratched on replacement.
• Only qualified safety personnel are allowed to replace the optics cover in
a dust and dirt-free environment.
• Never replace the optics cover during ongoing operation, as internal
parts can be irreparably damaged in certain circumstances and dust
particles can enter the device.
• It is imperative that you avoid contamination of the inside, for example,
with fingerprints.
• Do not use any additional sealant for sealing the optics cover, for
example, silicon, as these substances can affect the optics.
• Use a torque wrench (universal joint) with 2.5 mm (0.1 in.) hex socket
bit.
• Mount the optics cover per the following instructions to verify that the
housing is sealed to IP65.
Optics Cover Replacement Procedure
TIP • Only use a new optics cover (see
• When replacing the optics cover, take electrostatic discharge (ESD)
protection measures.
• Set your torque wrench to 1.2 N•m (10.6 lb•in) (hand-tight).
1. Disconnect the round plug connector on the end of the connecting
cable and remove the SafeZone Mini device.
2. Take the SafeZone Mini device to a clean place (office, repair shop, or
similar).
3. Clean the outside of the SafeZone Mini device. Cleaning keeps foreign
bodies from entering the device when it is opened.
4. Remove the optics cover mounting screws
Rockwell Automation Publication 442L-UM005B-EN-P - April 2017
Table 25 on
Table 25 on page
95).
(Figure
47).
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