SICK outdoorScan3 Core I/O User manual

OPERATING INSTRUCTIONS
outdoorScan3 Core I/O
Safety laser scanners

Described product
outdoorScan3 Core I/O
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.
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Contents
1 About this document........................................................................ 8
1.1 Function of this document....................................................................... 8
1.2 Scope......................................................................................................... 8
1.3 Target groups of these operating instructions........................................ 8
1.4 Further information................................................................................... 9
1.5 Symbols and document conventions...................................................... 9
2 Safety information............................................................................ 10
2.1 General safety notes................................................................................ 10
2.2 Intended use............................................................................................. 11
2.3 Inappropriate use..................................................................................... 12
2.4 Cybersecurity............................................................................................ 12
2.5 Requirements for the qualification of personnel.................................... 12
3 Product description........................................................................... 14
3.1 Device overview........................................................................................ 14
3.2 Setup and function................................................................................... 14
3.3 Product characteristics............................................................................ 16
3.3.1 Variants.................................................................................... 16
3.3.2 Connections............................................................................. 17
3.3.3 System plug.............................................................................. 18
3.3.4 Field types................................................................................ 18
3.3.5 Field set.................................................................................... 19
3.3.6 Monitoring case....................................................................... 20
3.4 Example applications............................................................................... 22
4 Project planning................................................................................ 24
4.1 Manufacturer of the machine.................................................................. 24
4.2 Operator of the machine.......................................................................... 24
4.3 Outdoor applications................................................................................ 24
4.3.1 Permissible outdoor use......................................................... 24
4.3.2 Ambient conditions when used outdoors.............................. 25
4.4 Assembly................................................................................................... 29
4.4.1 Protection from influences...................................................... 30
4.4.2 Preventing unprotected areas................................................. 31
4.4.3 Response time of the safety laser scanner........................... 34
4.4.4 Monitoring case switching time.............................................. 34
4.4.5 Hazardous area protection...................................................... 35
4.4.6 Mobile hazardous area protection.......................................... 42
4.5 Integrating the equipment into the electrical control............................. 47
4.5.1 Electromagnetic compatibility................................................. 49
4.5.2 Voltage supply.......................................................................... 49
4.5.3 USB connection....................................................................... 50
4.5.4 OSSDs....................................................................................... 50
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4.5.5 Control inputs........................................................................... 51
4.5.6 Universal inputs, universal outputs, universal I/Os.............. 53
4.5.7 Restart interlock...................................................................... 53
4.5.8 External device monitoring (EDM).......................................... 55
4.5.9 Connection diagrams.............................................................. 55
4.6 Testing plan............................................................................................... 57
4.6.1 Planning the thorough check during commissioning and in
certain situations..................................................................... 58
4.6.2 Planning the regular thorough check..................................... 58
4.6.3 Notes on the tests................................................................... 59
5 Mounting............................................................................................. 62
5.1 Safety......................................................................................................... 62
5.2 Unpacking.................................................................................................. 62
5.3 Mounting procedure................................................................................. 63
5.3.1 Direct mounting....................................................................... 64
6 Electrical installation........................................................................ 66
6.1 Safety......................................................................................................... 66
6.2 Connection overview................................................................................ 68
6.2.1 outdoorScan3 Core.................................................................. 68
6.3 Pin assignment......................................................................................... 68
6.3.1 Connecting cable with M12 plug connector.......................... 68
7 Configuration..................................................................................... 70
7.1 Delivery state............................................................................................ 70
7.2 Safety Designer configuration software.................................................. 70
7.2.1 Installing Safety Designer....................................................... 70
7.2.2 Projects..................................................................................... 70
7.2.3 User interface.......................................................................... 71
7.2.4 User groups.............................................................................. 72
7.2.5 Settings.................................................................................... 73
7.2.6 Configuration............................................................................ 73
7.2.7 Networking............................................................................... 75
7.3 Overview.................................................................................................... 75
7.3.1 Functional scope...................................................................... 76
7.4 Reading configuration.............................................................................. 77
7.5 Identification............................................................................................. 78
7.6 Application................................................................................................ 80
7.7 Monitoring plane....................................................................................... 81
7.7.1 Parameters for the monitoring plane..................................... 82
7.7.2 Parameters for the safety laser scanner................................ 84
7.8 Fields......................................................................................................... 84
7.8.1 Using the field editor............................................................... 84
7.8.2 Creating field set templates.................................................... 87
7.8.3 Importing and exporting field sets and fields........................ 88
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7.8.4 Background image................................................................... 88
7.8.5 Settings for the field editor..................................................... 89
7.8.6 Editing fields using coordinates.............................................. 90
7.8.7 Drawing in points that cannot be monitored......................... 91
7.8.8 Enable propose field................................................................ 93
7.9 Inputs and outputs, local......................................................................... 95
7.9.1 Outputs..................................................................................... 96
7.9.2 Inputs........................................................................................ 96
7.9.3 Further settings for some signals........................................... 97
7.10 Monitoring cases...................................................................................... 98
7.10.1 Settings for monitoring case tables........................................ 99
7.10.2 Settings for monitoring cases................................................. 99
7.10.3 Input condition......................................................................... 100
7.10.4 Cut-off paths............................................................................ 100
7.10.5 Assigning field sets.................................................................. 100
7.10.6 Importing and exporting monitoring case tables................... 101
7.11 Simulation................................................................................................. 102
7.12 Transfer..................................................................................................... 103
7.13 Starting and stopping safety function..................................................... 104
7.14 Reports...................................................................................................... 105
7.15 Service....................................................................................................... 106
7.15.1 Device restart........................................................................... 106
7.15.2 Factory settings........................................................................ 106
7.15.3 Managing passwords............................................................... 107
7.15.4 Access management............................................................... 108
8 Commissioning.................................................................................. 109
8.1 Safety......................................................................................................... 109
8.2 Alignment.................................................................................................. 109
8.3 Switching on.............................................................................................. 110
8.4 Check during commissioning and modifications.................................... 111
9 Operation............................................................................................ 112
9.1 Safety......................................................................................................... 112
9.2 Regular thorough check........................................................................... 112
9.3 Status indicators....................................................................................... 112
9.3.1 Status LEDs.............................................................................. 112
9.3.2 Status indicator with the display............................................. 113
10 Maintenance...................................................................................... 116
10.1 Safety......................................................................................................... 116
10.2 Regular cleaning....................................................................................... 116
10.3 Replacing the optics cover....................................................................... 117
10.4 Replacing the safety laser scanner......................................................... 117
10.4.1 Replacing the safety laser scanner without system plug...... 118
10.4.2 Completely replacing the safety laser scanner...................... 119
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10.5 Replacing the system plug....................................................................... 119
10.6 Regular thorough check........................................................................... 120
11 Troubleshooting................................................................................. 121
11.1 Safety......................................................................................................... 121
11.2 Detailed diagnostics using the display.................................................... 121
11.3 Fault indication on the display................................................................. 123
11.4 Diagnostics using Safety Designer.......................................................... 125
11.4.1 Data recorder........................................................................... 125
11.4.2 Event history............................................................................. 127
11.4.3 Message history....................................................................... 129
12 Decommissioning............................................................................. 130
12.1 Disposal..................................................................................................... 130
13 Technical data.................................................................................... 131
13.1 Variant overview........................................................................................ 131
13.2 Version numbers and functional scope.................................................. 131
13.3 Data sheet................................................................................................. 132
13.3.1 outdoorScan3 Core I/O........................................................... 132
13.4 Response times........................................................................................ 137
13.5 Course of the OSSD test over time.......................................................... 138
13.6 Sensing range........................................................................................... 138
13.7 Dimensional drawings.............................................................................. 141
14 Ordering information........................................................................ 142
14.1 Scope of delivery....................................................................................... 142
14.2 Ordering information................................................................................. 142
15 Spare parts......................................................................................... 143
15.1 Safety laser scanner without system plug.............................................. 143
15.2 System plug............................................................................................... 143
16 Accessories........................................................................................ 144
16.1 Brackets.................................................................................................... 144
16.2 Weather protection................................................................................... 144
16.3 Alignment aid............................................................................................ 144
16.4 Cleaning agent.......................................................................................... 144
16.5 Test rods.................................................................................................... 144
17 Glossary.............................................................................................. 145
18 Annex.................................................................................................. 148
18.1 Conformities and certificates................................................................... 148
18.1.1 EU declaration of conformity................................................... 148
18.2 Note on standards.................................................................................... 148
18.3 Checklist for initial commissioning and commissioning........................ 149
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18.3.1 Additional checklist for outdoor applications......................... 150
18.4 Mounting methods for protection from interference from systems in
close proximity.......................................................................................... 150
19 List of figures..................................................................................... 152
20 List of tables....................................................................................... 154
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1 About this document
1.1 Function of this document
These operating instructions contain the information needed during the life cycle of the
safety laser scanner.
Operating instructions of the safety laser scanner must be made available to all people
who work with the device.
Read the operating instructions carefully and ensure that you have understood the
contents completely before you work with the safety laser scanner.
1.2 Scope
Product
This document applies to the following products:
•Product code: outdoorScan3 Core I/O
•“Operating instructions” type label entry: 8023150
Document identification
Document part number:
•This document: 8023152
•Available language versions of this document: 8023150
You can find the current version of all documents at www.sick.com.
Other documents relevant for the product
Table 1: Available documents
Document Title Part number
Operating instructions airWiper 8027361
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 2: Target groups and selected sections of these operating instructions
Target group Sections of these operating instructions
Project developers (planners, developers,
designers)
"Project planning", page 24
"Configuration", page 70
"Technical data", page 131
"Accessories", page 144
Installers "Mounting", page 62
Electricians "Electrical installation", page 66
Safety experts (such as CE authorized repre‐
sentatives, compliance officers, people who
test and approve the application)
"Project planning", page 24
"Configuration", page 70
"Commissioning", page 109
"Technical data", page 131
"Checklist for initial commissioning and com‐
missioning", page 149
Operators "Operation", page 112
"Troubleshooting", page 121
Maintenance personnel "Maintenance", page 116
"Troubleshooting", page 121
1 ABOUT THIS DOCUMENT
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1.4 Further information
www.sick.com
The following information is available via the Internet:
•Data sheets and application examples
•CAD files and dimensional drawings
•Certificates (such as the EU declaration of conformity)
•Guide for Safe Machinery. Six steps to a safe machine
•Safety Designer (software for configuring safety solutions made by SICK AG)
1.5 Symbols and document conventions
The following symbols and conventions are used in this document:
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.
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2 Safety information
2.1 General safety notes
Overview
This section contains general safety information about the safety laser scanner.
Further information about specific product use situations can be found in the relevant
chapters.
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.
Laser class 1M
WARNING
Invisible laser radiation
Laser class 1M
IEC 60825-1:2007 & 2014
Complies with 21 CFR
1040.10 and 1040.11
except for deviations
pursuant to Laser Notice
No. 50, June 2007
CAUTION
LASER
1M
Figure 1: Laser class 1M
This device complies with the following standards:
•IEC 60825-1:2007/EN 60825-1:2007
•IEC 60825-1:2014/EN 60825-1:2014
•21 CFR 1040.10 and 1040.11, except for changes due to Laser Notice No. 50 of
24/06/2007
The accessible laser of the safety laser scanner is not hazardous as long as the
beam cross section is not reduced by optical instruments, such as magnifying glasses,
lenses, telescopes.
The curved part of the optics cover is the outlet for the laser radiation.
The laser marking is located on the underside of the safety laser scanner.
bYou must comply with the latest version of the applicable laser safety regulations.
CAUTION
If any operating or adjusting devices other than those specified in this document are
used or other methods are employed, this can lead to dangerous exposure to radiation.
bOnly use the operating or adjusting devices specified in this document.
bOnly follow the methods specified in this document.
bDo not open the housing, except for the purposes of the installation and mainte‐
nance work specified in these operating instructions.
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CAUTION
Observing the safety laser scanner through optical instruments (such as magnifying
glasses, lenses, telescopes) may be hazardous for the eyes.
bDo not look directly at the laser beam source using optical instruments.
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 laser scanner is an electro-sensitive protective device (ESPE) and is suitable
for the following applications:
•Hazardous area protection
•Mobile hazardous area protection (e.g. protection from automated guided vehicles)
The product must not be used in safety functions.
The safety laser scanner is suitable for use in indoor and outdoor industrial environ‐
ments. The industrial area of application is an area that is inaccessible to the public
and that can only be entered by briefed adult personnel.
The safety laser scanner must only be used within the limits of the prescribed and
specified technical data and operating conditions at all times.
When operating outside the specified technical data, which also include ambient condi‐
tion, the detection capability of the device is not guaranteed.
If the device is to be used outside the application specified in this chapter, the machine
manufacturer must conduct an appropriate risk assessment. In this assessment, the
manufacturer must conduct a proper check of the extended application framework and
confirm the safety function with suitable tests.
When checking the extended application framework, the machine manufacturer must
ensure they conduct the following steps in particular:
•Take into consideration the difference between the application stated explicitly in
this document and the actual operational purpose
•Take into consideration application-specific standards, e.g. ISO 25119.
•Conduct systematic analyses and consult appropriate standards, e.g. IEC 62998.
•Conduct a systematic validation of the safety function.
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Incorrect use, improper modification or manipulation of the safety laser scanner 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
DANGER
Hazard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of
non-observance.
The safety laser scanner works as an indirect protective measure and cannot provide
protection from pieces thrown from application nor from emitted radiation. Transparent
objects are not detected.
bYou must only use the safety laser scanner as an indirect protective measure.
The safety laser scanner is not suitable for the following applications, among others:
•Underwater
•In explosion-hazardous areas
•Access protection and hazardous point protection (applications in which the angle
between access direction and scan plane exceeds 30°)
2.4 Cybersecurity
Overview
To protect against cybersecurity threats, it is necessary to continuously monitor and
maintain a comprehensive cybersecurity concept. A suitable concept consists of organi‐
zational, technical, procedural, electronic, and physical levels of defense and considers
suitable measures for different types of risks. The measures implemented in this
product can only support protection against cybersecurity threats if the product is used
as part of such a concept.
You will find further information at www.sick.com/psirt, e.g.:
•General information on cybersecurity
•Contact option for reporting vulnerabilities
•Information on known vulnerabilities (security advisories)
Communication interfaces
•USB
•Display and pushbuttons
Further topics
•"Managing passwords", page 107
•"Access management", page 108
2.5 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.
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Mounting, electrical installation and commissioning
You need suitable expertise and experience. You must be able to assess if the machine
is operating safely.
Configuration
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.
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3 Product description
3.1 Device overview
Overview








Figure 2: Device overview
1Optics cover
2Display
3Keypad
4USB connection
5Status LEDs
6Additional LEDs for ON state and OFF state
7Safety laser scanner without system plug
8System plug
Complementary information
The safety laser scanner can be mounted and operated in any orientation.
Position and direction information in this document:
•The top is the side of the safety laser scanner on which the optics cover is located.
•The bottom is the side of the safety laser scanner opposite the optics cover.
•The front is the side of the safety laser scanner on which the display is located.
The 90° angle of the sector of a circle scanned by the safety laser scanner points
in this direction.
•The back is the side of the safety laser scanner opposite the display. The sector of
a circle not scanned by the safety laser scanner lies in this direction.
Further topics
•"Connections", page 17
•"Status indicators", page 112
3.2 Setup and function
The safety laser scanner is an electro-sensitive protective device (ESPE), which two-
dimensionally scans its environment with infrared laser beams.
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The safety laser scanner forms a protective field using the invisible laser beams. This
protective field protects the hazardous area and enables hazardous point protection,
access protection or hazardous area protection. As soon as an object is situated in the
protective field, the safety laser scanner signals the detection by means of a signal
change at the safety output (OSSD for example). The machine or its control must safely
analyze the signals (for example using a safe control or safety relays) and stop the
dangerous state.
The safety laser scanner operates on the principle of time-of-flight measurement. It
emits light pulses in regular, very short intervals. If the light strikes an object, it is
reflected. The safety laser scanner receives the reflected light. The safety laser scanner
calculates the distance to the object based on the time interval between the moment of
transmission and moment of receipt (∆t).


t
t
∆t


Figure 3: Principle of time-of-flight measurement
1Transmitted light pulse
2Reflected light pulse
A rotating mirror is situated in the safety laser scanner. The mirror deflects the light
pulses so that they scan a fan-shaped area.
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227,5°
0°
90°
-47,5°

Figure 4: Light pulses scan an area
1Angular resolution: the angular distance (in degrees) between 2 distance measurements
Scan cycle time and resolution
The time that the mirror requires for one rotation is called the scan cycle time. The
number of light pulses per unit of time is constant. The scan cycle time and the number
of light pulses per unit of time determine the angular resolution. The scanning range
for a given object resolution depends on the angular resolution. The object resolution
indicates the minimum size that an object must be to allow it to be detected safely. The
scan cycle time also influences the response time.
The resolution in protective fields can be set to various values according to the
intended purpose.
Geometry of the scan plane
The laser beams emitted cover a sector of a circle, so an object can be detected in an
area of up to 275°.
The sector of a circle covered ranges from –47.5° to 227.5°, where 90° denotes the
axis of the safety laser scanner from the back to the front. When viewing the safety
laser scanner from above, the direction of rotation of the mirror and the deflected light
pulses is counterclockwise, see figure 4.
3.3 Product characteristics
3.3.1 Variants
The safety laser scanner is delivered in different variants. You will find an overview of
important distinguishing features of the variants in the following.
Performance package
The Core performance package is characterized by the number of configurable fields
and the number of safety switching functions (OSSD pairs).
•outdoorScan3 core I/O: 8 fields; safety output: 1 OSSD pair
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Integration in the control
The safety laser scanner communicates with the machine controller as follows:
•I/O: local inputs and outputs (incl. OSSDs)
Protective field range
The safety laser scanner is available in variants with the following maximum protec‐
tive field range:
•4.0m
Further topics
•"Variant overview", page 131
3.3.2 Connections
•1 × connecting cable with male connector, M12, A-coded for voltage supply,
OSSDs and universal I/Os (can be used as universal input, universal output or in
pairs as static control input)
•1 × female connector, USB 2.0 Mini-B for configuration and diagnosis 1)
OSSD
An OSSD is a safety switching output. The functionality of each OSSD is tested periodi‐
cally. OSSDs are always connected in pairs and must undergo dual-channel analysis for
safety reasons. An OSSD pair is formed from 2 OSSDs that are connected and analyzed
together.
Control input
A control input receives signals, e.g. from the machine or from the control. Use of
control inputs is how the protective device receives information about the conditions
at the machine, e.g., if there is a change of operating mode. If the protective device
is configured appropriately, it will activate a different monitoring case after receiving a
new control input.
The control input information must be transmitted reliably. Generally, at least 2 sepa‐
rate channels are used to do this.
A static control input is a dual-channel control input, which evaluates the status of every
channel as the value 0 or 1. The signal states of one or more static control inputs give a
unique signal pattern. This signal pattern activates a monitoring case.
Universal I/O
Universal I/O can be configured as universal input or as universal output.
Universal input
Depending on the device, a universal input can be used for resetting, external device
monitoring (EDM), sleep mode, or restarting the protective device, for example. If sleep
mode is activated by a universal input, the sleep mode must not be used for safety
applications. Certain universal inputs can also be used in pairs as a static control input.
Universal output
The function of a universal output is configurable. Which functions are available
depends on the device. Possible signals are, for example: reset required, contamination
warning.
A universal output must not be used for safety functions.
1) The USB connection may only be used temporarily and only for configuration and diagnostics.
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3.3.3 System plug
A system plug is required to operate the safety laser scanner.
The base plate is the system plug (see figure 2, page 14).
The safety laser scanner’s internal configuration memory is integrated in the system
plug. The system plug and all connecting cables can remain at the installation site
when the safety laser scanner is replaced. The system plug is detached from the
defective safety laser scanner and connected to the new safety laser scanner. The
new safety laser scanner reads the configuration from the configuration memory when
switching on.
3.3.4 Field types
During operation, the safety laser scanner uses its laser beams to continuously check
whether people or objects are present in one or more areas. The areas to be checked
are called fields. A distinction is made between the following field types, depending on
the application type:
•Protective field
•Warning field
Table 3: Field types and their function
Protective field Warning field
Safe switch off (according to ISO
13849-1)
Yes (PL d) No
Max. scanning range of the safety
laser scanner
4.0m 40m
Purpose Detection and protection of
people
Functional use (no safety-
relevant use)
Protective field
The protective field is the area in which the test object specified by the manufacturer
is detected by the electro-sensitive protective equipment (ESPE). As soon as the elec‐
tro-sensitive protective device detects an object in the protective field, it switches the
associated safety outputs to the OFF state. This signal can be passed to controllers
resulting in the dangerous state coming to an end, e.g. to stop the machine or the
vehicle.
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Figure 5: Protective field, shown in red in this document
Warning field
The warning field monitors larger areas than the protective field. Simple switching
functions can be triggered with the warning field, e.g. a warning light or an acoustic
signal can be triggered if a person approaches, even before the person enters the
protective field.
The warning field must not be used for safety applications.
Figure 6: Warning field, shown in yellow or orange in this document
3.3.5 Field set
A field set consists of one or more fields. The fields in a field set are monitored
simultaneously.
A field set can contain different field types, e.g., a protective field and a warning field.
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A typical application is the use of a protective field with one or more warning fields:if a
vehicle approaches a person, a warning field triggers an optical or acoustic signal. If the
person does not react to this and the vehicle continues to approach, the safety laser
scanner detects an object in the protective field and switches the associated safety
outputs to the OFF state. The vehicle stops before it reaches the person.
Figure 7: Field set, consisting of one protective field (red) and 2 warning fields (orange and
yellow)
3.3.6 Monitoring case
A monitoring case signals the machine status to the safety laser scanner. The safety
laser scanner activates the field set, which is assigned to the monitoring case and
therefore a particular machine status.
If a machine, e.g., has various operational statuses, a monitoring case can be assigned
to each operational status. The safety laser scanner receives a defined signal for the
current operational status via the control inputs. If there is a change of signal, the
safety laser scanner switches from one monitoring case to the monitoring case that is
assigned to the new signal (as well as the new operational status). Generally, one field
set is assigned to each monitoring case.
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Subject to change without notice