Introduction
The SERVOPRO HFID Analyzer Operator Manual provides detailed guidance on the operation, installation, and maintenance of HFID analyzers. It includes specifications, safety information, and operational procedures.
Analyzer Specifications
The manual outlines the technical specifications, including measurement capabilities, operational modes, and environmental requirements.
Installation
Installation procedures focus on safety to ensure proper setup and operation.
Startup and Shutdown
Guidelines are provided for safe and efficient startup and shutdown of the analyzers.
Using the Keypad and Menu Navigation
Instructions on using the keypad and navigating the menu system are included, with a menu flow chart for ease of use.
Calibration
Comprehensive instructions on manual and automated calibration processes, including setup, scheduling, and error handling, are provided.
Range Setup
Details on setting up measurement ranges, including autorange functionality, are included.
Diagnostics
Diagnostic tools and procedures are outlined to help troubleshoot and maintain the analyzers.
Setup Menu
Instructions for configuring measurement settings, output settings, and programmable analogs and digitals are provided.
Alarms Menu
This section covers alarm settings, including current alarms, alarm logs, and limits for various parameters.
Service Menu
Information on linear coefficients and factory service options is provided for advanced maintenance.
Security
Security features such as operator levels and password management are detailed to protect the system from unauthorized access.
Communication and Interface
Details on analog and digital interfaces, including Ethernet and serial communication specifications, are provided.
Features- Measures THC from 1 to 30,000 ppmc full-scale.
- Heated to 191°C for accurate "hot/wet" sampling.
- Selectable analog and digital output options.
- Automatic calibration and fast response time.
- Compliant with EPA and Euro emission standards.
Operating Principle
The analyzer uses FID to determine hydrocarbon concentrations, with an optional methane cutter for NMHC measurement.
Specifications- Response time: T90 < 2 seconds.
- Detection limit: 10 ppb Carbon.
- Accuracy: Better than 2% of reading at or above 3.0 ppm.
- Sample flow rate: 2.0 to 2.5 LPM.
- Power requirements: 115 VAC/60 Hz or 230 VAC/50 Hz.
Installation and Safety
Safety symbols indicate important operational and safety information, with warnings about potential explosion hazards and electrical shock.
Fuel Specifications and Safety
Specific fuel types are required, and technicians must be trained in handling hazardous materials.
Calibration and Pressure Warnings
Calibration can be done via zero and span gas ports, with pressure warnings to avoid warranty voidance.
Protective Caps and Contamination
Instructions on removing plastic caps from fittings before applying power to avoid contamination.
Filter Housing Maintenance
Use hydrocarbon-free silicone lubricant on filter housing threads to prevent seizing.
Unpacking and Damage Reporting
Inspect the analyzer for damage upon unpacking and report any damage to the shipping company and SERVOMEX.
Rack Mounting and Site Selection
The analyzer is designed for 19-inch rack mounting, with site selection guidelines to avoid direct sunlight and temperature variations.
Electrical and Output Connections
All wiring is connected at the rear, with shielded wiring recommended for output signals.
Recommended Gases and Handling Equipment
Specifies types of gases and equipment needed, including pressure regulators and heated sample lines.
Gas Connections and Sampling Requirements
Use clean, hydrocarbon-free tubing and maintain atmospheric pressure at the sample gas bypass outlet.
Startup and Shutdown Procedures
Ensure all connections are leak-tight before startup and follow specific steps for shutdown.
Storage Instructions
Allow components to cool before storage and use the original shipping box if possible.
Using the Keypad
Describes the function and numeric entry modes of the keypad, including shortcuts and menu navigation.
Function and Numeric Modes
Instructions on navigating through options and editing numbers using the keypad.
Menu Flow Chart
The menu flow chart helps users navigate the SERVOPRO HFID Analyzer.
Calibration Menu
Essential for setting up and performing both manual and automated calibrations.
Range Menu
Allows customization of the analyzer’s measurement ranges.
Diagnostics Menu
Provides access to diagnostic tools for troubleshooting and monitoring system parameters.
Setup Menu
Used for configuring the analyzer’s operational settings.
Alarms Menu
Displays active alarms and allows configuration of alarm settings.
Service Menu
Access to maintenance and service functions.
Security Menu
Manages access control and security settings for the analyzer.
Main Menu
The starting point for accessing all operational, setup, and maintenance functions.
Measure Screen
Displays the current gas concentration and other relevant information.
Measure Mode
Allows selection of measurement modes: THC, CH4, or THC/CH4/NMHC.
Analyzer Info
Displays the analyzer’s model, serial number, factory settings, and software versions.
Remote/Manual Control
Enables control of the analyzer via keypad or remote computer.
Standby Mode
Turns off the pump and closes solenoid valves.
Ignition
Initiates the ignition sequence, requiring specific temperature conditions.
Menus Screen
Provides access to Calibration, Setup, Diagnostics, Alarms, Service, and Security menus.
Manual Calibration
Involves zero and span calibration for each range.
Manual Zero Calibration
Performed before span calibration, ensuring the analyzer is in the correct range.
Manual Span Calibration
Conducted after zero calibration, ensuring the span gas concentration matches the certificate value.
Manual Calibration Process
Involves setting up the analyzer for span and zero calibrations.
Switching Mode Calibration
Allows use of the same calibration setup as in SINGLE MODE or creation of correction factors for CH4 response.
Automated Calibration
Involves a timed zero calibration followed by a timed span calibration.
Sequenced Calibration Steps
Includes seven steps: purging, calibrating, verifying zero and span values, and purging with sample gas.
Calibration Setup
Provides parameters for successful calibration.
Auto Calibration Schedule
Allows automated calibrations using the analyzer’s internal clock.
Auto Calibration Parameters
Operators can select the range, mode, and calibration gases in the AutoCal Parameter screen.
Calibration via Pump/Valves
Depends on how gases are introduced into the analyzer.
Auto Calibration/Check
Feature lets the operator choose between calibration or checking the calibration.
Auto Calibration Timing
Determines the duration of Zero and Span cycles during sequenced auto calibration.
Deviation Limits
Define the maximum acceptable error limits for zero and span gases.
Maximum Calibration Error
Allows operators to define acceptable tolerances for Absolute and Relative deviations.
Maximum Verifying Error
Sets allowable tolerances during the Verifying step of sequenced calibration.
Analog Hold On Calibration
Holds analog outputs to the last measured value during calibration.
Calibration Factors
Allow tracking of changes from factory and previous calibrations.
Manual Deviations
Allows viewing of Zero and Span Deviations from Manual Calibrations.
Auto Calibration Deviations
Operators can view zero or span verifying deviations taken during sequenced and auto calibrations.
Offset/Gain Factors
Offset is the difference between factory zero and zero calibration value, while Gain is stored during span gas calibration.
Reset Factory Settings
Operators can reset Offsets, Gains, Linear Coefficients, and CH4 Factors to factory defaults.
Range Setup
Operators can change Range Limits, toggle Auto Range, and adjust Auto Range Switch Points.
Diagnostics
The Diagnostics menu provides access to key troubleshooting screens.
Diagnostic Values
These screens display temperatures, pressures, and EPC voltage percentages with alarm limits.
Raw Values Display
This diagnostic tool shows detector Raw Volts and Calculated Concentrations.
Calibration Procedures
Outlines the procedures for calibrating the SERVOPRO HFID Analyzers.
I/O Status
Instructions are provided for accessing the I/O Status menu to view the status of digital outputs and inputs.
Analyzer Digital Outputs
Details how to access the Analyzer Digital Outputs status screen.
Analyzer Digital Inputs
Explains how to access and interpret the status of digital inputs.
Programmable Digital Outputs
Guidance on viewing the status of programmable digital outputs.
Status Line
Instructions for accessing the Status Line menu to view and change the AK Protocol status.
Setup Menu
Provides access to various settings including Measure Settings, Output Settings, TCP/IP parameters, and more.
Measure Settings
Allows operators to change parameters such as Averaging Time, THC/CH4/NMHC mode times, and CH4 Correction Factors.
Averaging Time
Explains how to set the averaging time for measured concentrations.
THC/CH4/NMHC Mode Times
Instructions for setting purge and integration times between THC and CH4 cycles.
CH4 Correction Factors
Intended for advanced operators to adjust offsets between THC and CH4 modes.
Output Settings
Allows operators to configure programmable analog and digital outputs.
Programmable Analogs
Operators can view or change analog output signals, scaling, and adjustments.
Output Assignments
Details how to assign signals to programmable analog outputs.
Output Scaling
Instructions for scaling analog outputs to specific values.
Output Adjustments
Explains how to force analog outputs to specific percentages of full scale for testing purposes.
Output Adjustments
Allows operators to set the output to either mA or voltage and calibrate the outputs.
Programmable Digitals
Allows operators to assign digital outputs to specific alarms or statuses.
Output Assignments
Operators can assign digital outputs to specific alarms or statuses.
Output Hold/Clear
Allows operators to choose whether to hold or clear a triggered alarm.
Output Test
Allows operators to test digital outputs to ensure proper functionality.
TCP/IP Parameters
Used to set up communication between the analyzer and a computer.
Data Logging
Data logging can be turned on for troubleshooting purposes.
Auto Start Settings
Operators can set parameters for the analyzer's startup.
Clock Settings
Allows operators to set the internal clock for auto calibrations and data time stamping.
Alarms Menu
Provides access to current alarms, an alarm log, and alarm limits.
Alarm Limits
Operators can set upper and lower limits for temperature, pressure, EPC voltage, and gas concentration alarms.
Concentration Alarm Limits
Instructions for setting concentration alarm limits.
Alarm Display On/Off
The Alarm Display can be toggled on or off.
Service Menu
Provides access to linear coefficients and factory service options.
Linear Coefficients
Operators can adjust linear coefficients to optimize analyzer linearity.
Security
Allows operators to set access levels and change passwords.
Communication and Interface
The analyzer supports analog and digital interfaces, with options for voltage or current outputs.
Analog and Digital Interface
Analog outputs can be configured for different voltage or current ranges.
Serial Interface
The RS232 interface allows remote control via a 9-pin connector.
AK Protocol
Commands begin with STX and end with ETX, with specific formatting for function bytes and parameters.
Command Structure
Commands are structured with specific byte sequences, starting with an STX and ending with an ETX.
Command Types
Includes Scan Commands, Control Commands, and Configuration Commands.
Error Handling
Outlines potential errors and provides error codes for troubleshooting.
General Requirements
Commands without errors will receive an acknowledgment echoing the function code and error status.
Abbreviations and Definitions
Includes a list of abbreviations used in commands.
Specific Commands and Responses
Detailed descriptions of specific commands and their expected responses are provided.
Error Numbers and Descriptions
A comprehensive list of error numbers is provided.
Additional Features
Covers features like auto calibration parameters, polynomial coefficients, and TCP/IP settings.
Operational Modes- Pause Mode (SPAU): Shuts off the flame.
- Standby Mode (STBY): Ignites if Auto-ignite is on.
- Zero Calibration (SNGA): Sets the analyzer to zero calibration mode.
- Span Calibration (SEGA): Sets the analyzer to span calibration mode.
- Purge Mode (SSPL): Opens the purge gas valve.
- Automatic Calibration (SATK): Starts automatic calibration for all available ranges.
- Measuring Range (SEMB): Sets the measuring range and disables auto range.
- Auto Range (SARE/SARA): Turns auto range on or off.
- Remote and Manual Modes (SREM/SMAN): Sets the analyzer to remote or manual mode.
- Measure Mode (SMGA): Starts measuring and turns on pumps if fitted.
Calibration and Configuration- Save Measured Values (SNKA/SEKA): Saves measured values as new offset or span values.
- Data Streaming (SUDP): Starts or stops UDP data streaming.
- Reset Offsets and Gains (SVZS): Resets all range offsets to 0 and gains to 1.
- Set Calibration Gas Flow (SENT): Configures pumps or valves for calibration gas flow.
- Span Gas Concentration (EKAK): Sets the four span gas concentration values.
- Measuring Range Limits (EMBE): Sets the full scale limits for measuring ranges.
- Auto Calibration Times (EFDA): Configures purge and verification times for auto calibration.
- System Time (ESYZ): Sets the system time.
- Diagnostic Alarm Limits (EDAL): Configures diagnostic alarm limits.
Communication Protocols- Modbus Protocol: Describes the encapsulation of Modbus requests and responses over TCP/IP.
- MBAP Header: Contains fields for transaction identification, protocol identification, length, and unit identification.
- Function Codes: Includes codes for reading status bits and floating-point numbers.
Key Points- Commands are structured with specific codes and parameters for precise control and configuration of the analyzer.
- Calibration and measurement modes are critical for maintaining accuracy and reliability.
- Communication protocols ensure seamless data exchange and remote control capabilities.
Function Codes
- Code 04: Used to read input registers.
- Code 05: Used to write a single output to ON or OFF.
- Code 06: Used to write a single holding register.
- Code 16: Used to write a single floating point register.
- Code 26: A non-standard code used to read an ASCII string.
Modbus Map
- Read Coils: Lists coil numbers and descriptions for reading data.
- Write Coils: Lists coil numbers and descriptions for writing data.
- Read Floating Point: Lists register numbers and descriptions for reading floating point data.
- Write Floating Point: Lists register numbers and descriptions for writing floating point data.
Communication Modbus commands use TCP/IP Port 502, and it is advised not to change the port from 7700.