Festo — ZSB-1/8-B — 2022-08c
Additional information
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The control block for two-hand start is not a complete safety solution. It can be used as part of a
safety solution. The achievable safety level of the system depends on the other components used to
implement the safety function. The operator is responsible for specification of the safety function.
2.3
Intended use
The control block for two-hand start is intended only for the manual triggering of a control signal by a
simultaneous activation of two actuators.
The control block for two-hand start is intended for installation in machines or automation systems.
The control block for two-hand start can only be used in standard operation. This also includes
downtime, setup mode, service mode and emergency mode.
2.4
Foreseeable misuse
The following are examples of foreseeable misuse and are not approved as intended use:
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Outdoor use
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Bypass of the safety function
2.5
Training of qualified personnel
Work on the product may only be carried out by qualified personnel who can evaluate the work
and detect dangers. The qualified personnel have skills and experience in dealing with pneumatic
(open-loop) control technology.
The qualified personnel must be familiar with the following information:
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Applicable instructions for operating safety engineering systems.
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Applicable instructions for accident prevention and occupational safety.
Only authorised and appropriately trained personnel are permitted to work on safety-related systems.
2.6
Product conformity
The product-relevant directives are listed in the declaration of conformity
Product conformity
in accordance with EU Machinery Directive
to UK Supply of Machinery Regulations
Tab. 3: Product conformity
2.7
Safety engineering approval
The product is a safety device in accordance with the Machinery Directive. For details of the safety-ori-
ented standards and test values that the product complies with and fulfils, see
3
Additional information
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Contact the regional Festo contact if you have technical problems
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