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General| Product Name | FS11 |
|---|---|
| Category | Accessories |
| Heating | Yes |
| Power Supply | 24 V DC |
| Ingress Protection Rating | IP66 |
| Operating Temperature Range | -40°C to +60°C |
| Material | Stainless Steel |
| Connections | M12 Connector |
Provides general notes about the manual and the FS11 Visibility Sensor's transportation, installation, and operation.
Details the manual's version codes and descriptions, including updates and previous revisions.
Lists related manuals for sensors, computers, and displays that may be needed depending on system configuration.
Explains how important safety considerations are highlighted using WARNING, CAUTION, and NOTE.
Outlines essential safety measures to be observed during installation and repair of the instrument.
Provides guidelines for handling ESD-sensitive components to prevent damage to electronic circuits.
Instructs on proper recycling of materials and disposal of batteries and the unit.
Lists the directives and standards with which the FS11 complies.
Lists registered trademarks associated with the product and its manufacturer.
Defines the terms of use for software, stating rights are held by Vaisala or third parties.
Provides information on the standard one-year warranty and conditions for Vaisala products.
Details the FS11 as an intelligent visibility sensor for automatic weather-observing systems, including RVR applications.
Illustrates the FS11 system components including the measurement and interface units, and pole mast.
Provides a table of codes, common names, and descriptions for FS11 system components and accessories.
Provides an exemplary plan for organizing the FS11 installation process, from site survey to startup tests.
Outlines main requirements for siting the FS11 sensor to ensure representative measurements.
Describes the contents of the FS11 delivery and how to unload and unpack the equipment carefully.
Details the step-by-step procedure for unpacking the FS11 equipment and checking the shipment.
Specifies the required dry conditions for storing the FS11 system to maintain its integrity.
Explains the importance and methods for grounding the FS11 equipment to protect against lightning and interference.
Describes the requirements for selecting and installing power and signal cables for the FS11 sensor.
Details the specifications and recommendations for the FS11's AC (mains) power cable.
Outlines the sequence of procedures for installing the FS11 system.
Provides recommendations and dimensions for casting a concrete foundation for the FS11 system.
Describes the steps for mounting the FS11 system components during the concrete pad casting process.
Details the procedure for mounting the FS11 system onto an already existing foundation or surface.
Provides step-by-step instructions for assembling the FS11 system, including mast and base plate.
Introduces FS11 commands for system parameter setting, status display, and maintenance.
Explains how to enter and exit the FS11 command mode using OPEN and CLOSE commands.
Details the syntax and usage of the OPEN command for accessing FS11 operator commands.
Describes the CLOSE command for releasing the line to automatic data messages.
Lists and describes FS11 user-level commands, including those for message control and system status.
Explains how the FS11 system can automatically identify commands and parameters based on user input.
Describes how to adjust command response printouts to fit the terminal screen size.
Explains how commands can be executed without opening the command line for status inquiries.
Details the FS11 message formats for automatic or polled data transmission, including emulation modes.
Explains the MESSAGE command used for displaying messages and its parameters.
Describes the format and content of Message 1, showing extinction coefficient and background luminance.
Lists and explains the various codes used to indicate alarm status in FS11 messages.
Details the format and content of Message 2, including visibility and background luminance values.
Explains the status message format, which includes results of internal monitoring and system status.
Describes Message 4, which includes compensated, uncompensated, and averaged visibility values.
Details Message 5, which follows the Vaisala system standard format using SI-units.
Explains FS11 support for emulating message formats of Vaisala FD12 Visibility meter.
Describes the emulated Vaisala FD12 message number 2 format.
Describes the emulated Vaisala FD12P message number 7 format, including METAR code details.
Explains FS11 support for emulating message formats of Vaisala MITRAS Transmissometer.
Details the MITRAS Single Baseline emulation mode and its message format.
Details the MITRAS Double Baseline emulation mode and its message format.
Explains how to set the FS11 to simulation mode for transmitting fixed or user-defined visibility information.
Presents predefined fixed test messages for various message types used in simulation mode.
Describes how to define the entire content of a message body for manual simulation purposes.
Provides information for operating the LM21 sensor via its maintenance terminal port for troubleshooting.
Details the default serial communication port settings for FS11 applications.
Explains the RS-232 communication method, including wiring and cable length recommendations.
Explains how to use SET and PARAMETERS commands to configure system communication and user interface.
Lists the default factory parameter settings for the FS11 and how to restore them.
Describes the configuration and use of optional external sensors like LM21 and Day/Night sensor.
Explains how to configure and integrate the LM21 sensor into the FS11 system.
Describes how to measure and include the Day/Night sensor output into FS11 data messages.
Provides an overview of the FS11 system's hardware components, including measurement and interface units.
Details the electronics parts of the FSM102 Measurement Unit: transmitter, receiver, and controller board.
Describes the transmitter unit's components, including LED, control circuits, and contamination measurement circuitry.
Details the receiver unit's components, including detector, filters, A/D converters, and control electronics.
Explains the function of the Controller Board, its microprocessor, interfaces, and heater control.
Describes the interface unit's components: power supply, communication controller, and optional battery backup.
Details the FSC202 board's role in external communication, data message formation, and interface options.
Explains the AC power supply components, including circuit breaker, fuses, transformer, and transient protection.
Describes the optional battery backup function for ensuring operation during power failures.
Provides information about the frangible mast's material, construction, and frangibility tests.
Explains the FS11 sensor's fixed program, task execution, data storage, and alarm generation.
Details the FS11 sensor's measurement cycle, including signal measurement and diagnostic periods.
Explains the forward scatter measurement principle, signal amplification, filtering, and conversion.
Describes how the FS11 software calculates extinction coefficient and MOR (Meteorological Optical Range).
Explains the FS11's internal monitoring of voltages, limits, and the generation of warnings and alarms.
Details how status messages display built-in test results and system status, including short status checks.
Describes the event messages generated by the measurement and interface units for various fault conditions.
Lists specific event messages related to the FS11 measurement unit, including probable causes and remedies.
Lists specific event messages related to the FS11 interface unit, covering configuration and power issues.
Lists event messages specific to the background luminance sensor, including range and calibration issues.
Categorizes and describes FS11 alarm messages, their probable causes, and recommended remedies.
Categorizes and describes FS11 warning messages, including window contamination and battery status.
Lists indication messages related to operational status, such as battery operation or output disconnections.
Explains how the FS11 sensor monitors contamination and blocking of transmitter/receiver optics.
Describes the process of compensating visibility values based on window contamination levels.
Explains the monitoring of receiver saturation, scatter signal saturation, and offset errors.
Details how transmitter intensity is kept stable and the monitoring for LED aging or failure.
Describes the operation of hood and dew heaters for maintaining optics clarity and temperature.
Explains the monitoring of internal power supply voltages and indications for battery operation.
Describes how temperature and humidity sensor validity is determined and their valid measurement ranges.
Explains memory tests, program operation monitoring via watchdog circuitry, and status LED indications.
Details the verification of internal communication using CRC16 checksum and reading the error log.
Provides instructions for cleaning the FS11 sensor windows and hoods to ensure accurate measurements.
Explains when FS11 recalibration is needed and the process for calibration checks.
Details the procedure for calibrating visibility measurements using the FSA11 calibration kit.
Outlines the steps for performing a calibration check on the FSM102, including installing zero plugs.
Describes the procedure to check for mechanical misalignment during calibration.
Explains the interactive guided calibration procedure for the FS11 sensor.
Provides examples of successful and failed guided calibration procedures and their results.
Explains scenarios where the guided calibration procedure fails, particularly due to scatter signal test issues.
Provides instructions for removing and replacing FS11 modules suspected of malfunction.
Details the procedure for replacing the FSC102 Visibility Sensor Controller module.
Provides step-by-step instructions for replacing the FSC202 communication controller board.
Details the procedure for replacing the FSP103 power supply board, including safety warnings.
Provides comprehensive instructions for replacing the transmitter and receiver modules.
Describes how to detach, replace, and install sensor cables for the FS11 system.
Explains how to locate and replace fuses on the FSP103 board, indicating potential circuit issues.
Lists and describes common error messages, their probable causes, and recommended remedies.
Details specific error messages like SENSOR NOT RESPONDING and MEMORY ERROR.
Lists and describes common alarm messages, their probable causes, and recommended remedies.
Details specific alarm messages like TRANSMITTER FAILURE, RECEIVER SATURATED, and TEMPERATURE SENSOR FAILURE.
Lists and describes common warning messages, their probable causes, and recommended remedies.
Details specific warning messages like WINDOW CONTAMINATED, BATTERY LOW, and LED AGED.
Lists and describes common indication messages, their probable causes, and recommended remedies.
Details specific indication messages like WORKING ON BATTERY and HOOD HEATER FAULT.
Addresses common problems like missing data messages, font issues, and command mode access failures.
Presents the technical specifications for the FS11 Visibility Sensor.
Details the operational parameters of the FS11, including measurement range, accuracy, and interval.
Describes the optical characteristics of the FS11, including operating principle and scattering angle.
Lists the electrical specifications for the FS11, covering power supply, consumption, outputs, and data.
Provides the mechanical specifications for the FS11, including dimensions, weight, mounting, and materials.
Details the environmental operating conditions for the FS11, such as temperature, humidity, and wind speed.
Confirms the FS11's CE compliance and lists verification subjects and standards for EMC directives.
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