General Information; Features - WEG CPW17 User Manual

2 GENERAL INFORMATION

For machines and systems that can produce a risk for people when in operation, the EU Machinery directive
defines minimum requirements that are intended to reduce to a minimum the specific hazards and the related
risks of accident.
If all sources of danger cannot be eliminated by design measures, appropriate protective measures must be taken,
to prevent people entering the danger area.
The emergency stop safety relay CPW17 is designed for safety-related system and comply the requirements of
IEC 62061 and can be used up to safety category 4 – PL e according to EN ISO 13849-1.
The CPW17 are designed to execute safety-related functions as part of a process or machine. It is the responsibility
of the manufacturer of process or machine to ensure the correct functionality and safety functions of the entire
process or machine.
The CPW17 is a safety relay suitable to following safe guarding applications:
Mechanical safety switches with and without guard locking.
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Non-contact safety switches.
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Emergency stop switchgear.
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Electro-sensitive protective equipment, etc.
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2.1 FEATURES

The CPW17 has the following main features:
Compact case – 17.5 mm [0.688] in.
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2 relay outputs, safe and redundant.
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Single and dual-channel operation possible.
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Manual or automatic start.
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Cyclic monitoring of the output contacts.
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Comply up to category 4, PL e, SIL 3, SIL CL3.
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Connection of:
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Emergency button.
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Safety switch.
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Non-contact safety switch.
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OSSD-outputs devices.
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Light curtains.
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Initialization available in 2 behaviors:
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Monitored manual start.
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Automatic start.
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Relay status indication by front view.
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General Information
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