Pilz PNOZ s5 User manual
PNOZ s5
Operating Manual-21397-EN-10
Safety relays
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.
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
Content
Operating Manual PNOZ s5
21397-EN-10 3
Introduction 5
Validity of documentation 5
Using the documentation 5
Definition of symbols 5
Safety 6
Intended use 6
Safety regulations 6
Safety assessment 6
Use of qualified personnel 6
Warranty and liability 7
Disposal 7
For your safety 7
Unit features 8
Safety features 8
Block diagram/terminal configuration 9
Type: 24 VDC 9
Type: 48 - 240 VAC/DC 9
Function description 10
Timing diagrams 11
Automatic and manual start 11
Monitored start 12
Reset with start-up test 13
Installation 14
Wiring 14
Preparing for operation 15
Operating modes and delay time 15
Set operating modes 16
Set delay time 16
Connection 16
Operation 19
Status indicators 19
Error indicators 20
Faults - malfunctions 21
Dimensions in mm 21
Technical details 22
Safety characteristic data 33
Content
Operating Manual PNOZ s5
21397-EN-10 4
Supplementary data 34
Service life graph 35
Remove plug-in terminals 37
Order reference 37
EC declaration of conformity 37
PNOZ s5
Operating Manual PNOZ s5
21397-EN-10 5
Introduction
Validity of documentation
This documentation is valid for the product PNOZ s5. 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 ref-
erence.
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
This describes a situation in which the product or devices could be dam-
aged and also provides information on preventive measures that can be
taken. It also highlights areas within the text that are of particular import-
ance.
PNOZ s5
Operating Manual PNOZ s5
21397-EN-10 6
INFORMATION
This gives advice on applications and provides information on special fea-
tures.
Safety
Intended use
The safety relay provides a safety-related interruption of a safety circuit.
The safety relay meets the requirements of EN60947-5-1, EN60204-1 and VDE0113‑1
and may be used in applications with
}E-STOP pushbuttons
}Safety gates
}Light grids and safety switches with detection of shorts across contacts
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 [ 22]).
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 in-
terference.
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 re-
quired 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 organ-
isational standpoint.
Use of qualified personnel
The products may only be assembled, installed, programmed, commissioned, operated,
maintained and decommissioned by competent persons.
PNOZ s5
Operating Manual PNOZ s5
21397-EN-10 7
A competent person is someone who, because of their training, experience and current pro-
fessional activity, has the specialist knowledge required to test, assess and operate the
work equipment, devices, systems, plant and machinery in accordance with the general
standards and guidelines for safety technology.
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"
}And have a good knowledge of the generic and specialist standards applicable to the
specific 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
The unit meets all the necessary conditions for safe operation. However, please note the
following:
}Note for overvoltage category III: If voltages higher than low voltage (>50 VAC or >120
VDC) are present on the unit, connected control elements and sensors must have a
rated insulation voltage of at least 250 V.
PNOZ s5
Operating Manual PNOZ s5
21397-EN-10 8
Unit features
}Positive-guided relay outputs:
– 2 safety contacts (N/O), instantaneous
– 2 safety contacts (N/O), delay-on de-energisation
}1 semiconductor output
}Connection options for:
– E-STOP pushbuttons
– Safety gate limit switches
– Start buttons
– Light grids and safety switches with detection of shorts across contacts
}A connector can be used to connect 1 PNOZsigma contact expansion module
}Operating modes and delay times can be selected via rotary switches
}LED indicator for:
– Supply voltage
– Input status, channel1
– Input status, channel2
– Switch status channel 1/2
– Start circuit
– Error
}Plug-in connection terminals (either spring-loaded terminal or screw terminal)
}See order reference for unit types
Safety features
The relay meets the following safety requirements:
}The circuit is redundant with built-in self-monitoring.
}The safety function remains effective in the case of a component failure.
}The correct opening and closing of the safety function relays is tested automatically in
each on-off cycle.
PNOZ s5
Operating Manual PNOZ s5
21397-EN-10 9
Block diagram/terminal configuration
Type: 24 VDC
}UB: 24 VDC; Order No. 750105, 751105, 751185
Interface
expansion
module
Fig.: Centre: Front view with cover, right: Front view without cover
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)
Type: 48 - 240 VAC/DC
}UB: 48 – 240 VAC/DC; Order No. 750135, 751135
Interface
expansion
module
Fig.: Centre: Front view with cover, right: Front view without cover
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)
PNOZ s5
Operating Manual PNOZ s5
21397-EN-10 10
Function description
}
In2+
Single-channel operation: no redundancy in the input circuit, earth faults in the start
circuit and input circuit are detected.
}Dual-channel operation without detection of shorts across contacts: redundant input cir-
cuit, detects
– earth faults in the start and input circuit,
– short circuits in the input circuit and, with a monitored start, in the start circuit too.
}
In2-
Dual-channel operation with detection of shorts across contacts: redundant input cir-
cuit, detects
– earth faults in the start and input circuit,
– short circuits in the input circuit and, with a monitored start, in the start circuit too,
– shorts between contacts in the input circuit.
} Automatic start: Unit is active once the input circuit has been closed.
}Manual start Unit is active once the input circuit and the start circuit are closed.
} Monitored start with falling edge: Unit is active once
– the input circuit is closed and then the start circuit is closed and opened again.
– the start circuit is closed and then opened again once the input circuit is closed.
} Monitored start with rising edge: Unit is active once the input circuit is closed and
once the start circuit is closed after the waiting period has elapsed (seetechnical de-
tails).
} Start with start-up test: The unit checks whether safety gates that are closed are
opened and then closed again when supply voltage is applied.
}Ability to increase the number of contacts available on the
– instantaneous safety contacts by using connectors to link to a PNOZsigma contact
expansion module
– delayed/instantaneous safety contacts by connecting contact expansion modules or
external contactors
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