EASY Safety Relay Overview

Packed with a host of conventional safety relays in the form of safety function blocks,
easySafety not only features integrated safety functions but also standard functions
in a single device – all in one.

In addition to the safety circuit diagram containing the safety configuration, the
safety control relay also contains a standard circuit diagram. This circuit diagram can
be used for standard texts, such as the processing of diagnostics signals or general
control tasks of a machine.

Thanks to the large number of safety function blocks, this provides the user with
many application options within one device. The user can also respond directly to
future and changing application requirements. This saves financial resources and
offers future investment security.

easySafety meets the requirements of category 4 to EN 954-1, PL e to EN ISO 13849-1,
SILCL 3 to EN IEC 62061 and SIL 3 to EN IEC 61508. With easySafety, it is therefore
possible to implement applications meeting the most stringent safety requirements.

Emergency-Stop circuits
Allows the safe stopping of a
dangerous movement, immediate stop Stop category 0 and controlled stop Stop category 1 according to EN 60204-1; field of application - safety orientated one or two channel monitoring of
emergency stop circuits.
Contactless protective devices

Protection of the hazardous
location or area in the vicinity of
machines by means of contact less guards such as light grids/light barriers/light curtains.
Optionally with muting

that temporarily bypasses the
protective function of a guard such as a light grid. Typical application for the material feed of a machine without interrupting the working process.
Operating mode selector

Used for the safe selection and
acceptance of a pre-selected
operating mode on an external
control device.

Enable switch
The manual or foot operated enable switch allows the temporary enabling of a guard, such as a safety door, by continuous actuation. This may be necessary for setting or servicing a
Guard door monitoring with
and without monitoring of
interlock/guard locking

Used with moving guards such as doors, barriers or flaps. Positions are reliably detected, monitored and enabled to safety-related requirements – optional interlock device with guard locking when increased personal and process protection are required; this securely keeps the guard closed until machine standstill.
Feedback circuit monitoring

Used for the safety-related
monitoring of externally connected
actuators, e.g. contactors, relays or valves.
Safety timing relay
Used for changing the switch
duration and the on or off switch
points of an enable contact in the
safety circuit. Safety-related timing relay with on and/or off delayed or single pulse function.
Stand still monitoring
Used when the entry or access to the hazardous area is not permitted until the hazardous driving force has come to a standstill.
Safe operation with two-hand

Type III to EN 574. Used for
hazardous machine movement
such as presses, punching,
shearing. It allows the movement
of dangerous operation only when
both hands of the operator are
outside the dangerous area and
the two pushbuttons are operated
within 0.5 seconds of each other.
Monitoring of open hazardous
areas with safety mats

Used for the safety-related
monitoring of cross-circuits formed by safety mats.
Start element
For the safe starting of an
application by means of an
external start button or start
condition from the safety circuit
Maximum speed monitoring
For the safety-related over speed
monitoring of a motor or a shaft. If
the maximum speed is exceeded, the drive is disabled.

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