SICK ReLy OSSD1 Operating Instructions Manual
ReLy OSSD1
Safety relay
O P E R A T I N G I N S T R U C T I O N S
Described product
R
eLy OSSD1
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Legal information
his work is protected by copyright. Any rights derived from the copyright shall be
T
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 modifica‐
tion, abridgment or translation of this document is prohibited without the express writ‐
ten permission of SICK AG.
The trademarks stated in this document are the property of their respective owner.
© SICK AG. All rights reserved.
Original document
T
his document is an original document of SICK AG.
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Contents
CONTENTS
1 About this document........................................................................ 5
1.1 Purpose of this document........................................................................ 5
1.2 Scope......................................................................................................... 5
1.3 Target groups and structure of these operating instructions................ 5
1.4 Additional information.............................................................................. 5
1.5 Symbols and document conventions...................................................... 6
2 Safety information............................................................................ 7
2.1 General safety notes................................................................................ 7
2.2 Intended use............................................................................................. 7
2.3 Improper use............................................................................................. 7
2.4 Requirements for the qualification of personnel.................................... 8
3 Product description........................................................................... 9
3.1 Construction and function........................................................................ 9
3.2 Product characteristics............................................................................ 9
3.2.1 Device overview....................................................................... 9
3.2.2 Interfaces................................................................................. 9
3.2.3 Compatible sensor types......................................................... 9
3.2.4 External device monitoring...................................................... 10
3.2.5 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 Enabling current paths............................................................ 12
4.4.2 Feedback current path............................................................ 12
4.4.3 Connection diagrams.............................................................. 13
4.5 Testing plan............................................................................................... 13
4.5.1 Minimum requirements for the regular thorough check....... 13
5 Mounting............................................................................................. 14
5.1 Safety......................................................................................................... 14
5.2 Mounting procedure................................................................................. 14
5.3 Disassembly.............................................................................................. 15
5.4 Device replacement.................................................................................. 15
6 Electrical installation........................................................................ 17
6.1 Device connection.................................................................................... 17
7 Commissioning.................................................................................. 19
7.1 Safety......................................................................................................... 19
7.2 Thorough check........................................................................................ 19
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3
CONTENTS
8 Troubleshooting................................................................................. 20
8.1 Safety......................................................................................................... 20
8.2 Status indicator (LED)............................................................................... 20
9 Decommissioning............................................................................. 21
9.1 Protecting the environment...................................................................... 21
10 Technical data.................................................................................... 22
10.1 Data sheet................................................................................................. 22
10.2 Dimensional drawings.............................................................................. 26
10.3 Internal circuitry........................................................................................ 27
11 Ordering information........................................................................ 28
11.1 Ordering information for ReLy.................................................................. 28
12 Annex.................................................................................................. 29
12.1 Compliance with EU directives................................................................. 29
13 List of figures..................................................................................... 30
14 List of tables....................................................................................... 31
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ABOUT THIS DOCUMENT 1
1 About this document
1.1 Purpose of this document
These operating instructions contain the information required during the life cycle of the
afety relay.
s
These operating instructions must be made available to everyone who works with the
safety relay.
1.2 Scope
This document only applies to a ReLy safety relay with the following type label entries in
t
he Operating Instructions field:
8020858
•
1.3 Target groups and structure of these operating instructions
These operating instructions are intended for the following target groups: project devel‐
s (planners, developers, designers), installers, electricians, safety experts (such as
oper
CE authorized representatives, compliance officers, people who test and approve the
application), operators, and maintenance personnel.
These operating instructions are organized by the life phases of the device: project
planning, mounting, electrical installation, commissioning, operation and maintenance.
The table below shows the target groups and how – for many applications – these are
typically divided up between the manufacturer and the entity operating the machine in
which the device is to be integrated:
Area of responsibility Target group Specific chapters of these operating instruc‐
Manufacturer Project developers
(planners, developers,
designers)
Installers "Mounting", page 14
Electricians "Electrical installation", page 17
Safety experts "Project planning", page 11
Operating entity Operators "Troubleshooting", page 20
Maintenance person‐
l
ne
1)
Chapters not listed here are intended for all target groups. All target groups must follow all of the safety
and w
arning instructions in all chapters of the operating instructions!
1)
ions
t
"Project planning", page 11
"Technical data", page 22
ommissioning", page 19
"C
"Technical data", page 22
"Troubleshooting", page 20
"Ordering information", page 28
In other applications, the operating organization is also the manufacturer of the equip‐
ment w
ith the corresponding allocation of the target groups.
1.4 Additional information
www.sick.com
T
he following information is available on the Internet:
This document in other languages
•
Data sheets and application examples
•
CAD data and dimensional drawings
•
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5
1 ABOUT THIS DOCUMENT
ertificates (e.g. EU declaration of conformity)
C
•
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:
Safety notes and other notes
DANGER
ates a situation presenting imminent danger, which will lead to death or serious
Indic
injuries if not prevented.
WARNING
Indic
ates a situation presenting possible danger, which may lead to death or serious
injuries if not prevented.
CAUTION
Indic
ates a situation presenting possible danger, which may lead to moderate or minor
injuries if not prevented.
NOTICE
ates a situation presenting possible danger, which may lead to property damage if
Indic
not prevented.
NOTE
ates useful tips and recommendations.
Indic
Instructions to action
The arrow denotes instructions to action.
b
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:
The LED is off.
o
The LED is flashing.
Ö
The LED is illuminated continuously.
O
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2 Safety information
2.1 General safety notes
DANGER
If t
he safety component is integrated incorrectly, the dangerous state may be ended to
late.
Plan the integration of the safety component in accordance with the machine
b
requirements, see "Project planning", page 11.
DANGER
azard due to lack of effectiveness of the protective device
H
In the case of non-compliance, it is possible that the dangerous state of the machine
may not be stopped or not stopped in a timely manner.
Please read this document carefully and make sure that you understand the con‐
b
tent fully before working with the device.
Follow all safety notes in this document.
b
Improper installation or manipulation can lead to serious injuries.
SAFETY INFORMATION 2
2.2 Intended use
The safety relay is an expansion module for sensors or safety devices with OSSDs for
s
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 safety relay must only be used within the limits of the prescribed and specified
technical data and operating conditions at all times.
Incorrect use, improper modification or manipulation of the safety relay will invalidate
any warranty from SICK; in addition, any responsibility and liability of SICK for damage
and secondary damage caused by this is excluded.
UL/CSA applications
If t
ing conditions must also be met:
•
NOTE
T
UL 508, general applications.
witching safety-related circuits on and off.
he product is being used in accordance with UL 508 or CSA C22.2 No. 14, the follow‐
To protect the device’s 24-volt voltage supply, use a fuse with a maximum voltage
of 4 A and a minimum of 30 V DC in accordance with UL 248.
he safety functions have not be evaluated by UL. Authorization is in accordance with
2.3 Improper use
The safety relay is no
At altitudes of over 4,000 m above sea level
•
In explosion-hazardous areas
•
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t suitable for the following applications (this list is not exhaustive):
7
AFETY INFORMATION
2 S
2.4 Requirements for the qualification of personnel
The protective device must be configured, installed, connected, commissioned, and ser‐
iced by qualified safety personnel only.
v
Project planning
For project planning, a person is considered competent when he/she has expertise and
experience in the selection and use of protective devices on machines and is familiar
with the relevant technical rules and national work safety regulations.
Mechanical mounting, electrical installation, and commissioning
For the task, a person is considered qualified when he/she has the expertise and expe‐
rience in the relevant field and is sufficiently familiar with the application of the protec‐
tive device on the machine to be able to assess whether it is in an operationally safe
state.
Operation and maintenance
For operation and maintenance, a person is considered competent when he/she has
the expertise and experience in the relevant field and is sufficiently familiar with the
application of the protective device on the machine and has been instructed by the
machine operator in its operation.
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3 Product description
1
3
2
3
3
1
I1
14
2
4
3
2
I2
A2
RELY
1
2
3
4
CH1
CH2
3.1 Construction and function
The safety relay ReLy OSSD1 is an electrical switching device with inputs and outputs.
he safety capable inputs of the safety relay are connected to safety sensors.
T
2 safety capable inputs control the internal relays, which are used to reliably switch the
enabling current paths.
Actuators with positively guided contacts are connected to the enabling current paths.
3.2 Product characteristics
3.2.1 Device overview
PRODUCT DESCRIPTION 3
Figure 1: Device overview
Device unlocking
1
LEDs
2
Front connector unlocking
3
Front connector
4
3.2.2 Interfaces
Inputs
•
2 s
afety capable inputs
Outputs
2 enabling current paths (safe)
•
Feedback current path (for use as external device monitoring, not safe)
•
3.2.3 Compatible sensor types
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The safety relay adds an OSSD output to safety sensors or safety components. e.g.:
lectro-sensitive protective equipment (ESPE) with a single-channel or dual-chan‐
E
•
nel monitored active switching output with cross-circuit detection (OSSD)
Safety controllers with monitored semi-conductor outputs
•
9
CH1
CH2
13
23
31
I1
14
24
32
I2
A2
RELY
1
3
2
3
3
1
I1
14
2
4
3
2
I2
A2
RELY
CH1
CH2
OSSD1
1085343
3 P
RODUCT DESCRIPTION
3.2.4 External device monitoring
The feedback current path is used as external device monitoring for the monitoring by
t
he base device.
3.2.5 Status indicators
LEDs
Figure 2: LEDs
The labeled positions are only partially assigned LEDs. The positions and their labeling
(except for the upper 2 lines) also show the pin assignment of the terminals on the front
connector.
Table 1: Safety relay indicators
Labeling Color Function
CH1 Green OSSD 1 safety capable input
CH2 Green OSSD 2 safety capable input
Further topics
atus indicator (LED)", page 20
"St
•
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