01 Scope
02 Normative references
03 Terms and definitions
04 Requirements
4.1 Effective sensing surface
4.2 Actuating force
4.3 Pre-travel
4.4 Overtravel
4.5 Working travel
4.6 Force-travel relationship
4.7 Minimum operating speed
4.8 Number of operations
4.8.1 Single sensors
4.8.2 Combination of sensors
4.9 Sensor output
4.10 Response of output signal switching device to the
actuating force
4.10.1 For systems where the sensor output remains in
the OFF state for as long as the actuating force
is applied.
4.10.2 For systems where the sensor output does not stay
in the OFF state when the actuating force remains
4.11 Reset function
4.12 Environmental conditions
4.12.1 Climatic conditions
4.12.2 Electromagnetic compatibility
4.12.3 Vibration
4.12.4 Bump
4.13 Power supply variation
4.13.1 Electrical power supply variations
4.13.2 Non-electrical power supply variations
4.14 Electrical equipment
4.14.1 General
4.14.2 Protection against electric shock
4.14.3 Protection against overcurrent
4.14.4 Electromechanical devices
4.14.5 Pollution degree
4.14.6 Clearance, creepage distances and isolating
distances
4.14.7 Wiring 25
4.15 Pneumatic equipment
4.16 Hydraulic equipment
4.17 Enclosure
4.17.1 Sensor
4.17.2 Control unit and output signal switching
device
4.18 Additional coverings for sensors
4.19 Access
4.20 Categories according to EN 954-1
4.21 Adjustments
4.22 Sensor fixing and mechanical strength
4.23 Recovery after deformation
4.24 Connections
4.25 Sharp corners, sharp edges and rough surfaces
4.26 Mechanical features
4.27 Inhibition and blocking
05 Marking
06 Information for selection and use
6.1 General
6.2 Essential data for the selection of a suitable
device(s)
6.3 Information for use
6.3.1 Information for installation and commissioning
6.3.2 Information relating to the operation of the
device
07 Verification of requirements
7.1 Test samples
7.1.1 Sensor
7.1.2 Control units and output signal devices
7.2 Test pieces
7.3 Test number 1: Safety-related data for selection,
installation, commissioning, operation and
maintenance of a suitable device(s)
7.4 Test number 2: Mounting orientations of sensors
7.4.1 Edge sensors
7.4.2 Bar sensors
7.5 Test number 3: Actuating force
7.5.1 Single sensor at 20 deg. C
7.5.2 Combination of sensors at 20 deg. C
7.5.3 Single sensor over the operating
temperature range.
7.5.4 Combination of sensors over the
operating temperature range.
7.6 Test number 4: Force-travel relationship(s)
7.6.1 Pre-travel
7.6.2 Working travel
7.6.3 Overtravel
7.7 Test number 5: Number of operation
7.8 Test number 6: Output state of the sensor
and the output signal switching device
7.9 Test number 7: Response of output signal
switching device to the actuating force,
the reset and the state of the power supply.
7.10 Test number 8: Environmental tests
7.10.1 Functional test
7.10.2 Test number 8.1: Operating temperature
range
7.10.3 Test number 8.2: Humidity
7.10.4 Test number 8.3: Electromagnetic
compatibility
7.10.5 Test number 8.4: Vibration
7.10.6 Test number 8.5: Bump
7.11 Test number 9: Power supply variation
7.11.1 Test number 9.1: Electrical power supply
variation
7.11.2 Test 9.2: Non-electric power supply
variations
7.12 Test number 10: Electrical, pneumatic and
hydraulic equipment
7.12.1 Test number 10.1: Electrical equipment
7.12.2 Test number 10.2: Pneumatic equipment
7.12.3 Test number 10.3: Hydraulic equipment
7.13 Test number 11: Enclosure
7.14 Test number 12: Additional coverings for sensors
7.15 Test number 13: Access
7.16 Test number 14: Category(ies)
7.17 Test number 15: Adjustments
7.18 Test number 16: Sensor fixing
7.19 Test number 17: Recovery after deformation
7.20 Test number 18: Connections
7.21 Test number 19: Sharp corners, sharp edges and
rough surfaces
7.22 Test number 20: Mechanical features
7.23 Test number 21: Marking
7.24 Test number 22: Information for selection and use
7.25 Test number 23: Inhibition and blocking
Annex A (normative) Timing diagrams for devices with
and without reset.
Annex B (normative) Explanatory notes
Overtravel and total travel
Annex C (normative) Notes to the machinery manufacturer
/user
C.1 Introduction
C.2 Selection of suitable devices
C.2.1 General
C.2.2 Selection procedure
Annex D (informative) Design notes
D.1 General
D.1.1 Frequency of operation
D.1.2 Components
D.1.3 Affects of liquid
D.2 Pressure sensitive edges
D.2.1 Profile material
D.2.2 Sensor sensitivity
D.2.3 Physical affects
D.2.4 Pressure sensitive edges with electric
sensors
D.2.5 Pressure sensitive edges with air pulse
sensors
D.2.6 Pressure sensitive edges with fibre
optic sensors
D.3 Pressure sensitive bars
D.3.1 Use of position detection switches
D.3.2 Trap points
Annex E (informative) Application notes
E.1 Sensor mounting
E.2 Environmental considerations
E.3 Sensor positioning
Annex F (informative) Installation, commissioning and
test
F.1 System information
F.2 Commissioning
F.3 Regular inspection and tests
F.4 Inspection and tests after maintenance
Annex G (informative) General considerations for
systems meeting category 2 according to
EN 954-1
G.3 Air-pulse sensors
Annex ZA (informative) Clauses of this European
Standard addressing essential requirements or
other provisions of EU directives
Bibliography