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PSEN ma1.4a-51
} PSEN sensor technology
Operating Manual-22121-EN-06
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Preface
This document is a translation of the original document.
All rights to this documentation are reserved by Pilz GmbH & Co. KG. Copies may be made
for internal purposes. Suggestions and comments for improving this documentation will be
gratefully received.
Source code from third-party manufacturers or open source software has been used for
some components. The relevant licence information is available on the Internet on the Pilz
homepage.
Pilz®, PIT®, PMI®, PNOZ®, Primo®, PSEN®, PSS®, PVIS®, SafetyBUS p®,
SafetyEYE®, SafetyNET p®, the spirit of safety® are registered and protected trademarks
of Pilz GmbH & Co. KG in some countries.
SD means Secure Digital
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Contents
Introduction 4
Validity of documentation 4
Using the documentation 4
Definition of symbols 4
Safety 5
Intended use 5
Safety regulations 5
Safety assessment 5
Use of qualified personnel 6
Warranty and liability 6
Disposal 6
For your safety 6
Unit features 7
Function description 7
Block diagram 7
Operating distances 8
Lateral and vertical offset 8
Wiring 9
Pin assignment 9
Requirements and connection to evaluation devices 10
Installation 13
Installation type 1 14
Installation type 2 15
Adjustment 16
Periodic test 18
Dimensions in mm 18
Technical details 18
Safety characteristic data 20
Order reference 20
System 20
Accessories 21
EC declaration of conformity 21
Operating Manual PSEN ma1.4a-51
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PSEN ma1.4a-51
Introduction
Validity of documentation
This documentation is valid for the product PSEN ma1.4a-51. It is valid until new documentation is published.
This operating manual explains the function and operation, describes the installation and
provides guidelines on how to connect the product.
Using the documentation
This document is intended for instruction. Only install and commission the product if you
have read and understood this document. The document should be retained for future reference.
Definition of symbols
Information that is particularly important is identified as follows:
DANGER!
This warning must be heeded! It warns of a hazardous situation that poses
an immediate threat of serious injury and death and indicates preventive
measures that can be taken.
WARNING!
This warning must be heeded! It warns of a hazardous situation that could
lead to serious injury and death and indicates preventive measures that can
be taken.
CAUTION!
This refers to a hazard that can lead to a less serious or minor injury plus
material damage, and also provides information on preventive measures
that can be taken.
NOTICE
Operating Manual PSEN ma1.4a-51
22121-EN-06
This describes a situation in which the product or devices could be damaged and also provides information on preventive measures that can be
taken. It also highlights areas within the text that are of particular importance.
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PSEN ma1.4a-51
INFORMATION
This gives advice on applications and provides information on special features.
Safety
Intended use
The safety function of the safety switch is:
} Safe detection of the magnetic actuator within the response range
The safety switch meets the requirements in accordance with:
} EN 60947-5-3: PDDB only in connection
– with the operator PSEN ma1.4-03 or operator PSEN ma1.4-10 and
– the suitable evaluation devices (see
devices [
10]).
Requirements and connection to evaluation
The following is deemed improper use in particular:
} Any component, technical or electrical modification to the product
} Use of the product outside the areas described in this manual
} Use of the product outside the technical details (see Technical details [ 18]).
NOTICE
EMC-compliant electrical installation
The product is designed for use in an industrial environment. The product
may cause interference if installed in other environments. If installed in other
environments, measures should be taken to comply with the applicable
standards and directives for the respective installation site with regard to interference.
Safety regulations
Safety assessment
Before using a unit it is necessary to perform a safety assessment in accordance with the
Machinery Directive.
Functional safety is guaranteed for the product as a single component. However, this does
not guarantee the functional safety of the overall plant/machine. In order to achieve the required safety level for the overall plant/machine, define the safety requirements for the
plant/machine and then define how these must be implemented from a technical and organisational standpoint.
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PSEN ma1.4a-51
Use of qualified personnel
The products may only be assembled, installed, programmed, commissioned, operated,
maintained and decommissioned by competent persons.
A competent person is a qualified and knowledgeable person who, because of their training, experience and current professional activity, has the specialist knowledge required. To
be able to inspect, assess and operate devices, systems and machines, the person has to
be informed of the state of the art and the applicable national, European and international
laws, directives and standards.
It is the company’s responsibility only to employ personnel who
} Are familiar with the basic regulations concerning health and safety / accident preven-
tion,
} Have read and understood the information provided in this description under "Safety"
} Have a good knowledge of the generic and specialist standards applicable to the spe-
cific application.
Warranty and liability
All claims to warranty and liability will be rendered invalid if
} The product was used contrary to the purpose for which it is intended
} Damage can be attributed to not having followed the guidelines in the manual
} Operating personnel are not suitably qualified
} Any type of modification has been made (e.g. exchanging components on the PCB
boards, soldering work etc.).
Disposal
} In safety-related applications, please comply with the mission time TM in the safety-re-
lated characteristic data.
} When decommissioning, please comply with local regulations regarding the disposal of
electronic devices (e.g. Electrical and Electronic Equipment Act).
For your safety
WARNING!
Loss of safety function due to manipulation of the interlocking device
Manipulation of the interlocking device may lead to serious injury and death.
– You should prevent any possibility of the interlocking device being
manipulated through the use of a spare actuator.
– Keep the substitute actuator in a safe place and protect it from unau-
thorised access.
– If spare actuators are used, these must be installed as described in
Installation [ 13].
– If the original actuators are replaced with substitute actuators, the ori-
ginal actuators must be destroyed before disposal.
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PSEN ma1.4a-51
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142+
6
3
Actuator
Safety switch
Magnet
Unit features
} The actuator PSEN ma1.4-03 or PSEN ma1.4-10 belongs to the safety switch.
} Coded actuator
} Safety switch with cable (5 m)
} 2 safety contacts (reed contacts - N/O)
} 1 auxiliary contact (N/O)
} Different operating distances depending on the actuator see Technical details [ 18]
} Design:
– Safety switch with square design
– Actuator with square design: PSEN ma1.4-03
– Actuator with square design: PSEN ma1.4-10
} Operation Magnetic
} Switching voltage 24 VDC
} LED to display switch status
Function description
If the actuator is within the response range (safety gate closed), the safety contacts and the
auxiliary contact on the safety switch will be closed and the LED will light.
Operate the PSEN ma1.4a-51 in conjunction with the following components:
} Actuator PSEN ma1.4-03 or actuator PSEN ma1.4-10 (see Order reference [ 20])
and
} a connected evaluation device (see Requirements and connection to evaluation
devices [ 10]).
Block diagram
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PSEN ma1.4a-51
SaoS
o
SrSar(mm)S
omin
On
Off
[1] [2]
Operating distances
Legend
S
S
S
Assured operating distance
ao
Min. operating distance
omin
Assured release distance
ar
The offset-independent values for the switching distances are included in the
details [ 18].
Lateral and vertical offset
Legend
[1] Lateral offset
[2] Vertical offset
Technical
Actuator PSEN ma1.4-03
Assured operating distance Sao in mm
Vertical offset
The stated values are valid at a temperature of 20 °C.
Operating Manual PSEN ma1.4a-51
22121-EN-06
Lateral offset
0 1 2 3 4
0 3.0 3.0 2.5 1.5 1.0
1 3.0 2.5 2.0 0.5 -
2 2.5 1.5 1.0 - -
3 1.5 0.5 - - -
4 0.5 - - - -
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PSEN ma1.4a-51
R
lmax
- R
i
Rl / km
I
max
=
Actuator PSEN ma1.4-10
Assured operating distance Sao in mm
Lateral offset
Vertical offset
0 mm 2 mm 4 mm 6 mm 8 mm
0mm 10.0 10.0 9.0 7.0 5.0
2 mm 10.0 10.0 8.0 6.0 3.0
4 mm 9.0 8.0 7.0 5.0 -
6 mm 7.0 6.0 5.0 - -
The stated values are valid at a temperature of 20 °C.
Wiring
} Information given in the Technical details [ 18] must be followed.
} Calculation of the max. cable length l
max
:
R
= Max. overall cable resistance (see evaluation device's technical details)
lmax
Ri = Internal resistance sensor (see
Technical details [ 18])
Rl/km = Cable resistance/km of the cable (seetechnical details cable)
} Ensure the wiring and EMC requirements of EN 60204-1 are met.
} In the following cases, check the function that detects shorts across contacts prior to
commissioning:
– On evaluation devices with DC supply voltage: Overall cable resistance ≥ 15 Ohms
per channel
– On evaluation devices with AC supply voltage: Overall cable resistance ≥ 25 Ohms
per channel
– For details of how to perform the test for shorts across the contacts, please refer to
the operating manual for the relevant evaluation device.
Pin assignment
NOTICE
The colour marking for the connection lead only applies for the cable that
Pilz supplies as an accessory
The safety switch is shown in an unoperated condition.
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PSEN ma1.4a-51
pink
green
white
yellow
brown
blue
3
5
2+
4
6
1
7
8
grey
red
NC
NC
Layout of the 8-core cable
NOTICE
The auxiliary contact with LED
– May only be operated with a supply voltage of up to 24 VDC with
PNOZ X units
– May not be connected in series with PNOZ X, PNOZelog and
PNOZmulti units
– maynot be used for safety circuits
Requirements and connection to evaluation devices
For use of PSEN ma1.4a-51 in accordance with DIN EN 60947-5-3 an evaluation device
must be connected.
Connect the PSEN ma1.4a-51
} either with a certified Pilz evaluation device
} or with an evaluation device with defined properties
Certified Pilz evaluation devices are, for example:
} PNOZelog for safety gate monitoring
– PNOZ e1p, PNOZ e1.1p, PNOZ e1vp
– PNOZ e5.11p
– PNOZ e6vp, PNOZ e6.1p
} PNOZpower for safety gate monitoring
– PNOZ p1p, PNOZ p1vp
} PNOZsigma for safety gate monitoring:
– PNOZ s3
– PNOZ s4
– PNOZ s5
} PNOZ X for safety gate monitoring
– PNOZ X2, PNOZ X2.5P, PNOZ X2.7P, PNOZ X2.8P, PNOZ X2.9P, PNOZX2C,
– PNOZ X3, PNOZ X3.1, PNOZ X3P, PNOZ X3.10P
– PNOZ X4
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PSEN ma1.4a-51
Evaluation device
Input circuit
Input circuit
PSENmag
3
1
2+
4
7
6
– PNOZ X5, PNOZ X5J
– PNOZ Ex
} PNOZmulti for safety gate monitoring
Configure the switch in the PNOZmulti Configurator with switch type 3.
} PSS for safety gate monitoring with standard function block SB064, SB066 or
FS_SafetyGate
} PSSuniversal PLC for safety gate monitoring with function block FS_SafetyGate
The correct connection to the respective evaluation device is described in the operating
manual for the evaluation device. Make sure that the connection is made in accordance
with the specifications in the operating manual for the selected evaluation device.
Defined properties of evaluation devices:
} 2-channel with feasibility monitoring
} Open circuit monitoring of the safety switch is performed
} The inputs and outputs of the evaluation device must fulfil the requirements of
IEC61131
} Technical data of the evaluation device must fulfil the requirements in the Technical
details [ 18] of PSEN ma1.4a-51
– Always comply with the max. switching current safety contacts of PSEN ma1.4a-51.
} Outputs at the evaluation device must only be switched on again when both reed con-
tacts at the safety switch have been opened and closed (partial operation lock)
INFORMATION
Risk time in accordance with DIN EN 60947-5-3
The risk time is made up of the reaction time of the sensor (see
Technical
details [ 18]) and the processing and delay times of the evaluation
device (s. operating manual for the relevant evaluation device).
Operating Manual PSEN ma1.4a-51
22121-EN-06
Fig.: Dual-channel connection PSEN ma1.4a-51 to the input circuits of an evaluation device
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PSEN ma1.4a-51
1
S11
S21
S12
S22
2+
3
4
5
6
7
8
white
green
yellow
pink
PNOZ s3 PSENmag
yellow
white
pink
green
T0
I0
T1
I1
1
2+
3
4
5
6
7
8
PNOZmulti
PSENmag
Examples for connection to Pilz evaluation devices:
Auxiliary contact with LED
The auxiliary contact and the LED indicate the status of the safety contacts.
Actuator in the response range
Yes Closed lights
No Open Off
Operating Manual PSEN ma1.4a-51
22121-EN-06
Safety contacts and auxiliary contact
LED
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PSEN ma1.4a-51
24 V
GND
PSENmag
1
2+
3
4
5
6
7
8
1
2+
3
4
5
6
24 V
PLC
PSENmag
7
8
Connecting the auxiliary contact to an eval-
Connecting the auxiliary contact to a PLC
uation device
Installation
} The unit can be installed in any position. However, safety switches and actuators must
be positioned opposite each other in parallel.
} If possible, do not install the safety switch and actuator on to ferromagnetic material.
Changes to the operating distances are to be expected.
} Safety switches and actuators should only be secured using M4 screws with a flat head
(e.g. M4 cheese-head or pan head screws). Use screws made of non-magnetic material (e.g. brass).
CAUTION!
Potential loss of safety function due to changed device properties
The unit's properties may be affected if installed in an environment containing electrically or magnetically conductive material.
– Please check the operating distances and the assured release dis-
tance.
Operating Manual PSEN ma1.4a-51
22121-EN-06
} Safety switches and actuators must be positioned so that they are secured against a
change of position.
CAUTION!
Possible loss of the safety function by changing the release distance S
ar
with non-flush installation
Installing the safety switch non-flush within electrically or magnetically conductive material, the value for the assured release distance Sar can change.
– Check the assured release distance S
ar.
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PSEN ma1.4a-51
} The safety switch and actuator should only be secured using screws and nuts made of
non-magnetic material (e.g. brass or stainless steel).
} Avoid the risk of damages from foreseeable external influences by attaching the safety
switch and actuator. If necessary, safety switch and actuator have to be protected.
INFORMATION
The actuator should be protected from unauthorised removal and from contamination.
} Prevent self-loosening of the fastening elements of safety switch and actuator.
} The fastening of safety switch and actuator has to be sufficiently stable to ensure the
proper operation of the safety switch and the actuator.
} The distance between two safety switches must be maintained (see Technical
details [ 18]).
} Safety switches and actuators
– Should be kept away from iron swarf
– Should not be exposed to strong magnetic fields
– Should be used for fixed wiring only
} Prevent the safety switch and actuator being exposed to heavy shock or vibration
} Make sure that the safety switch and actuator cannot be used as an end stop.
} Circumvention of the safety switch in a reasonably foreseeable manner must be pre-
vented.
} Please note the installation measures in accordance with EN ISO 14119 for a proximity
switch design 4 and with level of coding Low
} Alignment errors of the guard must not adversely affect the safety function of the guard.
} The assured operating distance S
and the assured release distance S
ao
must be tested
ar
under real conditions.
Installation type 1
} 1. Cut the thread (M4) in the required position.
} 2. Use a screw to fix the sensor.
} 3. Attach the second screw to the sensor. (Important: do not tighten the screws). Attach
the screws for the actuator, maintaining the distance between the screw head and the
plate: ca. 3 ... 6 mm.
} 4. Align actuator to sensor.
} 5. Slide the actuator on to the screws.
} 6. Align sensor and tighten screws with max. 0,8 Nm.
Operating Manual PSEN ma1.4a-51
22121-EN-06
INFORMATION
The inscribed area on the actuator (sensing face) should face the sensor.
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PSEN ma1.4a-51
1 2 3
4 5 6
7
8
9
10 11
} 7. Align actuator and tighten screws with max. 0,8 Nm.
} 8. Close used mounting holes using seal (1) or (4) (see Diagram [ 15]).
} 9. Close unused mounting holes using seal (2) (see Diagram [ 15]).
} 10. Close mounting holes on the sensing face using seal (3) (see Diagram [ 15]).
} 11. Installation of sensor and actuator is now complete.
INFORMATION
Seals (1), (2), (3) meet the requirements of UL 94 V0, seal (4) does not
meet UL requirements.
Installation type 2
Install the sensor as shown for installation type 1
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PSEN ma1.4a-51
1 2 3
4 5 6
7
} 1. Attach the screws for the actuator, maintaining the distance between the screw head
and the plate: ca. 3 ... 6 mm.
} 2. Close unused mounting holes on the plate using seal (2) (see Diagram [ 16]).
} 3. Slide the actuator on to the screws.
} 4. Align actuator and tighten screws with max. 0,8 Nm.
} 5. Close used mounting holes using seal (1) or (4) (see Diagram [ 16]).
} 6. Close mounting holes on the sensing face using seal (3) (see Diagram [ 16]).
} 7. Installation of sensor and actuator is now complete.
INFORMATION
Seals (1), (2), (3) meet the requirements of UL 94 V0, seal (4) does not
meet UL requirements.
Adjustment
} The safety switch may only be used with the corresponding actuator PSEN ma1.4-03 or
PSEN ma1.4-10.
} Always test the function with a connected evaluation device.
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PSEN ma1.4a-51
} The stated operating distances (see Technical details [ 18]) only apply when the
safety switch and actuator are installed according to the specifications
Installation [ 13]. Operating distances may deviate if other arrangements are used.
Note the maximum permitted lateral and vertical offset (see
Operating distances and
Lateral and vertical offset [ 8]).
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PSEN ma1.4a-51
18
19
Ø 8
37
22
4,5
R 8
26,4
14,4
4,5
18
37
22
14,4
18
Periodic test
} Carry out a monthly function test on the safety switch and actuator.
} Always test the function with a connected evaluation device.
} The safety function may only be checked by qualified personnel.
Dimensions in mm
Safety switch Actuator
Technical details
General 506324 506326
Approvals CE, EAC (Eurasian), TÜV, cULus
Listed
Sensor's mode of operation Magnetic Magnetic
Coding level in accordance with EN
ISO 14119
Design in accordance with EN ISO
14119
Classification in accordance with
EN 60947-5-3
Electrical data 506324 506326
Supply voltage
Voltage 24 V 24 V
Kind DC DC
Voltage tolerance -20 %/+20 % -20 %/+20 %
Supply voltage
Max. current 200 mA 200 mA
Max. switching frequency 1 Hz 1 Hz
Lowest operating current (Im) 1 mA 1 mA
Switching voltage 24 V 24 V
Internal resistance 10 Ohm 10 Ohm
Max. switching current, safety contacts
Low Low
4 4
PDDB PDDB
0,2 A 0,2 A
CE, EAC (Eurasian), TÜV, cULus
Listed
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PSEN ma1.4a-51
Electrical data 506324 506326
Max. breaking capacity, safety contacts
5 W 5 W
Max. switching current, auxiliary
contacts
10 mA 10 mA
Times 506324 506326
Reaction time (actuator removed) 2 ms 2 ms
Environmental data 506324 506326
Ambient temperature
Temperature range -10 - 55 °C -10 - 55 °C
Climatic suitability
In accordance with the standard IEC 60068-2-30 IEC 60068-2-30
Humidity 93 % r. h. at 40 °C 93 % r. h. at 40 °C
Max. operating height above sea
level
2000 m 2000 m
EMC EN 60947-5-3 EN 60947-5-3
Vibration
In accordance with the standard EN 60947-5-2 EN 60947-5-2
Frequency 10 - 55 Hz 10 - 55 Hz
Amplitude 1 mm 1 mm
Shock stress
Acceleration 30g 30g
Duration 11 ms 11 ms
Airgap creepage
Pollution degree 3 3
Rated insulation voltage 250 V 250 V
Rated impulse withstand voltage 4 kV 4 kV
Protection type
Housing IP6K9K IP6K9K
Mechanical data 506324 506326
Actuator 1 PSEN ma1.4-03mm PSEN ma1.4-10mm
Typ. Hysteresis 2,5 mm 3,5 mm
Operating distances
Assured operating distance Sao 3 mm 10 mm
Min. operating distance Somin 0,0 mm 0,0 mm
Typical operating distance So 3,5 mm 12,5 mm
Assured release distance Sar 12 mm 22 mm
Typical release distance Sr 6 mm 16 mm
Repetition accuracy switching
distances 6 % 6 %
Min. distance between safety
switches
Sensor flush installation in accordance with EN 60947-5-2
50 mm 50 mm
Yes, follow installation
guidelines
Yes, follow installation
guidelines
Connection type 5 m cable 5 m cable
Cable LiY11Y 8 x 0,14 mm2 LiY11Y 8 x 0,14 mm2
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PSEN ma1.4a-51
Mechanical data 506324 506326
Material
Top PBT PBT
Max. torque setting
Safety switch 0,8 Nm 0,8 Nm
Actuator 1 0,8 Nm 0,8 Nm
Dimensions
Height 37 mm 37 mm
Width 26,4 mm 26,4 mm
Depth 18 mm 18 mm
Actuator dimensions
Height 37 mm 37 mm
Width 18 mm 18 mm
Depth 18 mm 18 mm
Weight of safety switch 220 g 220 g
Weight of actuator 16 g 18 g
Weight 236 g 238 g
Where standards are undated, the 2015-09 latest editions shall apply.
Safety characteristic data
NOTICE
You must comply with the safety-related characteristic data in order to
achieve the required safety level for your plant/machine.
B10d in accordance with EN ISO 13849-1: 2015
and EN 62061
TM [year] in accordance with EN ISO
13849-1:2015
7.300.000 20
Order reference
System
Product type Features Connection type Order no.
PSEN ma1.4a-51/
PSEN ma1.4-03mm/
1unit
Magnetic safety switch, actuator with assured operating
distance 3 mm
5 m cable 506324
PSEN ma1.4a-51/
PSEN ma1.4-10mm/
1unit
PSEN ma1.4-51
Magnetic safety switch, actuator with assured operating
distance 10 mm
Magnetic safety switch 5 m cable 506304
M12/8-0.15m 1switch
PSEN ma1.4-03mm
1actuator
Operating Manual PSEN ma1.4a-51
22121-EN-06
Actuator with assured operating distance 3 mm
5 m cable 506326
506300
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PSEN ma1.4a-51
Product type Features Connection type Order no.
PSEN ma1.4-10mm
1actuator
Actuator with assured operating distance 10 mm
506301
Accessories
Product type Features Order no.
PSEN/PDP67 M12-8sm screw
8-pin M12 connector with screw terminals 540 334
terminals
EC declaration of conformity
This product/these products meet the requirements of the directive 2006/42/EC for machinery of the European Parliament and of the Council. The complete EC Declaration of
Conformity is available on the Internet at www.pilz.com/downloads.
Representative: Norbert Fröhlich, Pilz GmbH & Co. KG, Felix-Wankel-Str. 2, 73760 Ostfildern, Germany
Operating Manual PSEN ma1.4a-51
22121-EN-06
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