Lasermet ICS-7-OEM User manual
ICS-7-OEM Instruction Manual
02058-53-000 Issue 3 19 January 2021
LASERMET ICS-7-OEM
INSTRUCTION MANUAL
FAIL SAFE LASER
INTERLOCK CONTROLLER
ICS-7-OEM Instruction Manual
02058-53-000 Page 2 of 29 Issue 3 19 January 2021
LASERMET ICS-7-OEM
Instruction Manual
Contents
1 Declaration of Conformity .................................................................................................. 3
2 Safety Warnings .................................................................................................................. 4
3 Concept ............................................................................................................................... 5
3.1 Differences between ICS-7-OEM and ICS-6-OEM ....................................................... 6
4 Summary of Evaluation of Compliance to EN ISO 13849-1:2015 ....................................... 7
5 Installation .......................................................................................................................... 8
5.1 Positioning ................................................................................................................... 8
6 Wiring ............................................................................................................................... 10
6.1 ICS-7-OEM Inputs ...................................................................................................... 11
6.2 ICS-7-OEM Illuminated Sign Control Output ............................................................. 14
6.3 Interlock Operator Output Contacts ......................................................................... 15
7 Expansion Boards.............................................................................................................. 20
7.1 Installing Expansion Boards ....................................................................................... 21
7.2 Use with Active Guarding .......................................................................................... 21
7.3 Expansion Board Fault Output .................................................................................. 21
8 Mismatch Detector ........................................................................................................... 22
8.1 Configurable Options for Safety Circuit Mismatch Events ........................................ 22
8.2 Clearing a Mismatch Fault Indication ........................................................................ 23
8.3 Mismatch Detector Remote Test and Reset ............................................................. 24
9 LED Indicators ................................................................................................................... 24
10 Operation ...................................................................................................................... 26
10.1 Starting Up ............................................................................................................. 26
10.2 Resuming Operation after an Interlock Switch has been opened ........................ 27
11 Fuses ............................................................................................................................. 27
12 Specifications ................................................................................................................ 28
13 Warranty ....................................................................................................................... 28
14 Contact Details .............................................................................................................. 29
ICS-7-OEM Instruction Manual
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1 Declaration of Conformity
LASERMET LIMITED
INTERLOCK CONTROL PANEL ICS-7-OEM
Drawing Number 02058-00-000
DECLARATION OF CONFORMITY
This is to certify that the ICS-7-OEM has been tested in accordance with the following
directives and standards and found to comply.
Lasermet certifies that this product complies with the basic requirements for health
and safety as provided by the following directives and standards:
Directives: Machinery Directive 2006/42/EC June 2010
Low Voltage Directive 2014/35/EU
EMC Directive 2014/30/EU
Standards: EN ISO 13849-1:2015
Safety of Machinery – Safety-related parts of Control Systems
EN 60947-1:2007 +A2:2014
Low Voltage Switchgear and Controlgear
EN 61010-1:2010 +A1:2016
Safety Requirements for Electrical Equipment
Supplier:
Lasermet Limited
Lasermet House
137 Hankinson Road
Bournemouth
BH9 1HR
Dorset
United Kingdom
Country of Origin: England
Date: 31 July 2018
ICS-7-OEM Instruction Manual
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2 Safety Warnings
This device is intended to be used as part of a safety system which may be used to protect personnel
and equipment from possible injury, damage, or loss.
As such it must be installed and wired according to these instructions and tested by suitably qualified
persons. No attempt may be made to tamper with the parts, open them, or use them outside of the
parameters contained herein.
The units are only designed to be fixed to surfaces using their inbuilt fixing holes. They must not
come into contact with each other or any other moving part when in use. The parts should never be
subject to impact or mechanical strain.
Safety switches should never be defeated or bypassed. It is imperative that all steps are taken to
ensure that any spare actuators are made unavailable, such that they cannot be used to defeat the
switch or reduce the protection offered by the system in any way.
Glossary
EN European Normalised (Standard)
ICS Interlock Control System
ISO International Standards Organisation
LED Light-Emitting Diode
NC Normally Closed
NO Normally Open
OEM Other Equipment Manufacturer
PL Performance Level
PLC Programmable Logic Controller
SIL Safety Integrity Level
V Volts
VDC Volts (Direct Current)
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3 Concept
The ICS-7-OEM provides control of an interlock system primarily intended to protect persons from
accidental exposure to hazardous lasers. It is able to monitor several doors, windows, curtains etc.
fitted with safety interlock switches and disable the laser if any are open. In this manual the term
‘Door Switch’ refers to any interlock switch which may be fitted to a door, cover, window blind etc.
The versatile ICS-7-OEM system can be connected to any number of door switches and can indicate
the status of up to 6 switches or groups of switches.
Two external volt-free contacts are required to arm the system. These might be from a PLC, for
example. When these contacts are both closed, provided the necessary interlock input conditions
are met (e.g. doors closed), the Controller will arm and enable the laser. If the Arm contacts are then
opened the system will disarm.
If any interlock input (e.g. door) is open when the external Arm contacts are closed the controller
will not arm. If the interlock is then closed the controller will still not arm. This is to prevent an
unexpected start-up of the laser. If the system fails to arm because an interlock is open (e.g. door
open), the Arm request should be removed and the interlock closed (e.g. close the door).
The ICS-7-OEM has a fully dual channel cross-checked architecture and when correctly wired can
realise a system compliant with EN ISO 13849-1 up to performance level ‘e’.
Eight safety interlock outputs each rated at 4A resistive, 50VDC, are provided to enable the laser,
operate door locks, or provide signals to a PLC. The interlock outputs are volt-free contacts. Seven
outputs close when the system is armed. The other output is normally closed and opens when
armed. Each output actually comprises two contacts, one for each channel, operated by different
relays. In the event of one contact failing to open, the other contact will open and the system is
then disabled, preventing further use and maintaining safety. The contacts can be configured for a
variety of options.
The ICS-7-OEM is able to directly control and monitor safety-rated power contactors which may be
used to switch single or three-phase laser mains supplies.
The ICS-7-OEM is able to monitor output devices such as shutters with feedback (such as Lasermet’s
LS-20 and LS-200 beam shutters).
The controller has a pair of isolated volt-free contacts which close in the disarmed state provided all
monitored devices are proven to be in the safe condition. These contacts may be used to operate
the ‘system disarmed’ or ‘laser off’ section of a dual message illuminated sign. They are marked as
‘System Disarmed’ on the unit.
The controller also has a pair of contacts which close to indicate that all the interlock inputs are
closed. This may be used, for example, to signal to a PLC that all doors are closed and is marked as
‘Doors Closed’ on the unit label.
The ICS-7-OEM has a mismatch detector which when wired to a full dual-channel system disables the
system in the event of a mismatch between the two safety circuits. This provides protection against
the single failure of a door switch etc.
ICS-7-OEM Instruction Manual
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The ICS-7-OEM can accommodate expansion modules externally, and Lasermet offer a range of
modules including:
Uncommitted Relays
Active Guarding
Safety Logic Plus
Network Interface
Lasermet provides a full range of equipment including interlock switches, illuminated warning signs,
laser shutters, entry keypads with built-in fail-safe override timer, door locks, external power
supplies etc. which can be connected to the ICS-7-OEM to provide a complete system. Full support,
design and installation is available from Lasermet, please contact us for any queries. Contact details
are given at the end of this manual.
3.1 Differences between ICS-7-OEM and ICS-6-OEM
Power supply to expansion modules is now switched on in the disarmed state,
allowing visual checking of Active Guarding status before arming is attempted
An extra normally closed interlock output has been added in addition to the 7
normally open outputs
Fuses and option switches are now accessible without removing the top cover
Electronic over-current trips are used instead of fuses for the A and B
interlock supplies
The case has been expanded to allow single rows of 5mm terminals
An input/button has been added to reset faults latched on the Active Guarding
expansion module
An output has been added to indicate a fault on the expansion interface.
All inputs and output connections are now in ABBA format
ICS-7-OEM Instruction Manual
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4 Summary of Evaluation of Compliance to EN ISO 13849-1:2015
To achieve a complete system performance level ‘e’ the system must be wired as described in this
manual using suitably rated door sensors and measures taken to minimise the effects of common
cause failures in the sensors and wiring which may be connected to the unit.
Achieved Characteristics:
Architecture Category 4
Performance Level (PL) PL = e
MTTFd 381 years
PFH [1/h] 2.47 x 10-8
(Based on MTTFd being “capped” at 100 years)
Mission Time 20 years
Diagnostic Coverage (DC) 99% (HIGH)
ICS-7-OEM Instruction Manual
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5 Installation
The ICS-7-OEM is designed to be attached to a 35mm ‘top-hat’ style DIN rail inside a control cabinet.
It should always be enclosed in a cabinet that requires use of a tool or key to open to prevent
tampering and risk of touching live connections.
Whilst the unit itself operates on 24V it is possible that higher voltages fed from other equipment
may be present on its output contacts.
5.1 Positioning
The ICS-7-OEM should be mounted in a convenient position for wiring. It should be inaccessible by
operators. It has indicator lights on its top surface which would normally only need to be observed
by installation and maintenance personnel.
Provision should be made to prevent the unit from sliding along the DIN rail after fitting, for example
by the use of end clamps or other equipment.
During installation, wired connections will need to be made from the ICS-7-OEM to all the
interlocked doors, warning signs, laser interlocks, shutters, PLC and other equipment as required by
the system. Allowance should be made for wire retention such as plastic slotted trunking running
alongside both long sides of the unit.
All of the terminals are identified on the label on the top of the unit, see next page.
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Figure 1: ICS-7-OEM Top Label showing terminal identification.
NOTE: Holes in the label are shown in yellow and windows for LEDs
are shown in red
The indicator LEDs show the position of the interlock and arm input
signals and the state of the controller.
All dual-channel inputs and outputs are wired ABBA, with one
channel connected A-A and the other channel B-B.
Input signals are connected on the right (bottom) of the controller
and are indicated by a green background.
All output signals are connected on the left (top) of the controller.
The normally open interlock operator outputs 2-8 are indicated by a
pink background. The normally closed output 1 is indicated by an
orange background.
Status outputs and status indications are indicated by an orange
background.
ICS-7-OEM Instruction Manual
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6 Wiring
The ICS-7-OEM is a versatile interlock system and there are a variety of ways in which it can be used.
Be sure you know which configuration you require before you attempt to wire the unit. If you
require further assistance, please call Lasermet technical help. Contact details are at the end of this
manual.
Example overall wiring scheme
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