SICK ReLy OSSD1 Manuale utente
OPERATING INSTRUCTIONS
ReLy OSSD1
Safety relay
Described product
ReLy OSSD1
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Legal information
This work is protected by copyright. Any rights derived from the copyright shall be
reserved for SICK AG. Reproduction of this document or parts of this document is
only permissible within the limits of the legal determination of Copyright Law. Any modi‐
fication, abridgment or translation of this document is prohibited without the express
written permission of SICK AG.
The trademarks stated in this document are the property of their respective owner.
© SICK AG. All rights reserved.
Original document
This document is an original document of SICK AG.
2O P E R A T I N G I N S T R U C T I O N S | ReLy OSSD1 8020860/1FH0/2022-10-27 | SICK
Subject to change without notice
Contents
1 About this document........................................................................ 5
1.1 Purpose of this document........................................................................ 5
1.2 Scope......................................................................................................... 5
1.3 Target groups of these operating instructions........................................ 5
1.4 Additional information.............................................................................. 5
1.5 Symbols and document conventions...................................................... 5
2 Safety information............................................................................ 7
2.1 General safety notes................................................................................ 7
2.2 Intended use............................................................................................. 7
2.3 Inappropriate use..................................................................................... 7
2.4 Requirements for the qualification of personnel.................................... 8
3 Product description........................................................................... 9
3.1 Device overview........................................................................................ 9
3.2 Structure and function............................................................................. 9
3.3 Product characteristics............................................................................ 9
3.3.1 Interfaces................................................................................. 9
3.3.2 Compatible sensor types......................................................... 10
3.3.3 External device monitoring...................................................... 10
3.3.4 Status indicators...................................................................... 10
4 Project planning................................................................................ 11
4.1 Manufacturer of the machine.................................................................. 11
4.2 Operating entity of the machine.............................................................. 11
4.3 Design........................................................................................................ 11
4.4 Electrical integration................................................................................. 12
4.4.1 Voltage supply.......................................................................... 12
4.4.2 Enabling current paths............................................................ 13
4.4.3 Feedback current path............................................................ 13
4.4.4 Connection diagrams.............................................................. 13
4.5 Testing plan............................................................................................... 14
4.5.1 Planning the thorough check during commissioning and in
certain situations..................................................................... 14
4.5.2 Planning the regular thorough check..................................... 14
5 Mounting............................................................................................. 16
5.1 Mounting procedure................................................................................. 16
5.2 Disassembly.............................................................................................. 17
5.3 Module exchange...................................................................................... 17
6 Electrical installation........................................................................ 19
6.1 Device connection.................................................................................... 19
7 Commissioning.................................................................................. 21
CONTENTS
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7.1 Safety......................................................................................................... 21
7.2 Check during commissioning and modifications.................................... 21
8 Troubleshooting................................................................................. 22
8.1 Safety......................................................................................................... 22
8.2 Status indicator (LED)............................................................................... 22
9 Decommissioning............................................................................. 23
9.1 Disposal..................................................................................................... 23
10 Technical data.................................................................................... 24
10.1 Data sheet................................................................................................. 24
10.2 Dimensional drawings.............................................................................. 29
10.3 Internal circuitry........................................................................................ 30
11 Ordering information........................................................................ 31
11.1 Ordering information for ReLy.................................................................. 31
12 Annex.................................................................................................. 32
12.1 Conformities and certificates................................................................... 32
12.1.1 EU declaration of conformity................................................... 32
13 List of figures..................................................................................... 33
14 List of tables....................................................................................... 34
CONTENTS
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Subject to change without notice
1 About this document
1.1 Purpose of this document
These operating instructions contain the information required during the life cycle of the
safety relay.
These operating instructions must be made available to everyone who works with the
safety relay.
1.2 Scope
Product
This document applies to the following products:
•Product code: ReLy OSSD1
•“Operating instructions” type label entry: 8020858
Document identification
Document part number:
•This document: 8020860
•Available language versions of this document: 8020858
You can find the current version of all documents at www.sick.com.
1.3 Target groups of these operating instructions
Some sections of these operating instructions are intended for certain target groups.
However, the entire operating instructions are relevant for intended use of the product.
Table 1: Target groups and selected sections of these operating instructions
Target group Sections of these operating instructions
Project developers (planners, developers,
designers)
"Project planning", page 11
"Technical data", page 24
Installers "Mounting", page 16
Electricians "Electrical installation", page 19
Safety experts (such as CE authorized repre‐
sentatives, compliance officers, people who
test and approve the application)
"Project planning", page 11
"Commissioning", page 21
"Technical data", page 24
Operators "Troubleshooting", page 22
Maintenance personnel "Troubleshooting", page 22
1.4 Additional information
www.sick.com
The following information is available on the Internet:
•Data sheets and application examples
•CAD data and dimensional drawings
•Certificates (e.g. EU declaration of conformity)
•Guide for Safe Machinery Six steps to a safe machine
1.5 Symbols and document conventions
The following symbols and conventions are used in this document:
ABOUT THIS DOCUMENT 1
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Safety notes and other notes
DANGER
Indicates a situation presenting imminent danger, which will lead to death or serious
injuries if not prevented.
WARNING
Indicates a situation presenting possible danger, which may lead to death or serious
injuries if not prevented.
CAUTION
Indicates a situation presenting possible danger, which may lead to moderate or minor
injuries if not prevented.
NOTICE
Indicates a situation presenting possible danger, which may lead to property damage if
not prevented.
NOTE
Indicates useful tips and recommendations.
Instructions to action
bThe arrow denotes instructions to action.
1. The sequence of instructions for action is numbered.
2. Follow the order in which the numbered instructions are given.
✓The check mark denotes the result of an instruction.
LED symbols
These symbols indicate the status of an LED:
oThe LED is off.
ÖThe LED is flashing.
OThe LED is illuminated continuously.
1 ABOUT THIS DOCUMENT
6O P E R A T I N G I N S T R U C T I O N S | ReLy OSSD1 8020860/1FH0/2022-10-27 | SICK
Subject to change without notice
2 Safety information
2.1 General safety notes
Product integration
DANGER
The product can not offer the expected protection if it is integrated incorrectly.
bPlan the integration of the product in accordance with the machine requirements
(project planning).
bImplement the integration of the product in accordance with the project planning.
Mounting and electrical installation
DANGER
Death or severe injury due to electrical voltage and/or an unexpected startup of the
machine
bMake sure that the machine is (and remains) disconnected from the voltage
supply during mounting and electrical installation.
bMake sure that the dangerous state of the machine is and remains switched off.
Repairs and modifications
DANGER
Improper work on the product
A modified product may not offer the expected protection if it is integrated incorrectly.
bApart from the procedures described in this document, do not repair, open, manip‐
ulate or otherwise modify the product.
2.2 Intended use
The safety relay is an expansion module for sensors or safety devices with OSSDs for
switching safety-related circuits on and off.
The safety relay complies with class A, group 1 as per EN 55011. Group 1 encom‐
passes all ISM devices in which intentionally generated and/or used conductor-bound
RF energy that is required for the inner function of the device itself occurs.
The product may be used in safety functions.
The product must only be used within the limits of the prescribed and specified techni‐
cal specifications and operating conditions at all times.
Incorrect use, improper modification or manipulation of the product will invalidate any
warranty from SICK; in addition, any responsibility and liability of SICK for damage and
secondary damage caused by this is excluded.
2.3 Inappropriate use
The safety relay is not suitable for the following applications (this list is not exhaustive):
•At altitudes of over 4,000m above sea level
•In explosion-hazardous areas
SAFETY INFORMATION 2
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Subject to change without notice
2.4 Requirements for the qualification of personnel
The product must be configured, installed, connected, commissioned, and serviced by
qualified safety personnel only.
Project planning
You need safety expertise to implement safety functions and select suitable products
for that purpose. You need expert knowledge of the applicable standards and regula‐
tions.
Mounting, electrical installation and commissioning
You need suitable expertise and experience. You must be able to assess if the machine
is operating safely.
Operation and maintenance
You need suitable expertise and experience. You must be instructed in machine oper‐
ation by the machine operator. For maintenance, you must be able to assess if the
machine is operating safely.
2 SAFETY INFORMATION
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3 Product description
3.1 Device overview
13
23
31
I1
14
24
32
I2
A2
RELY
1
2
3
4
CH1
CH2
Figure 1: Device overview
1Device unlocking
2LEDs
3Front connector unlocking
4Front connector
3.2 Structure and function
The safety relay ReLy OSSD1 is an electrical switching device with inputs and outputs.
The safety capable inputs of the safety relay are connected to safety sensors.
2 safety capable inputs control the internal relays, which are used to reliably switch the
enabling current paths.
At the enabling current paths it is possible to connect, for example, actuators with
positively guided contacts.
3.3 Product characteristics
3.3.1 Interfaces
Inputs
•2 safety capable inputs
Outputs
•2 enabling current paths (safe)
•Feedback current path (for use as external device monitoring, not safe)
PRODUCT DESCRIPTION 3
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3.3.2 Compatible sensor types
Table 2: Compatible sensor types
Sensor type Description Examples
Safety sensors with
monitored semiconduc‐
tor output (OSSD)
Safety sensors with dual-channel
cross-circuit monitored semi-con‐
ductor outputs
Safety controllers with monitored
semi-conductor outputs
•Transponder safety switch
e.g., Sistra
•Safety light curtains, e.g.
deTec4
•Safety laser scanner, e.g.,
microScan3, nanoScan3
3.3.3 External device monitoring
The feedback current path is used as external device monitoring for the monitoring by
the base device.
3.3.4 Status indicators
LEDs
CH1
CH2
13
23
31
I1
14
24
32
I2
A2
RELY
13
23
31
I1
14
24
32
I2
A2
RELY
CH1
CH2
OSSD1
1085343
Figure 2: LEDs
The labeled positions are only partially assigned LEDs. The positions and their labels
(except the top 2 lines) also indicate the assignment of the terminals on the front connec‐
tor.
Table 3: Safety relay indicators
Labeling Color Function
CH1 Green OSSD1 safety capable input
CH2 Green Safety input OSSD2
Further topics
•"Status indicator (LED)", page 22
3 PRODUCT DESCRIPTION
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