• Use specified supply voltage and interfaces.
• Power off before connecting/disconnecting cables.
• Avoid use near powerful light sources.
• Allow a 20-minute warm-up for stable results.
• Ground all components.

• Complies with EU directive 2014/30/EU for electromagnetic compatibility.
• Meets EU directive 2011/65/EU, RoHS category 9.

• Uses LED with specific wavelengths for different models.
• Classified as safe per EN 62471:2008.

• Designed for non-contact 2D measurements.
• Uniform manual for RF656.2D, RF657.2D, RF657R.2D series.
• Configured via a single web interface.

• Operates on the "shadow" principle using an optical sensor and controller.
• Consists of an emitter and receiver; LED light is collimated and projected onto a 2D CMOS sensor.
• Controller calculates object parameters based on shadow image.
• Measurement algorithms are user-created using a visual tool called the measurement scheme.
• Results can be transmitted via Ethernet/IP, Modbus TCP, UDP, and logical outputs.

• Includes general specifications, dimensions, and controller panel views.

• 2D mm: Displays profiles, contours, and measurement results in millimeters, allowing for visual control and search area adjustments.
• 2D px: Displays frames and profiles in pixels, requiring higher network bandwidth due to uncompressed image transmission.
• Table: Displays scalar values and checks if they fall within specified ranges, with color-coded results.
• Statistics: Visualizes measurement stability over cycles, with controls for clearing data and setting display limits.

• Inputs: Commands to start/stop motor, move to a position, request position/state, set speed, and stop motor. Values are converted to int32.
• Outputs: Status codes indicating motor state and current position.
• Parameters: Include port name, motor address, baud rate, async flag, and queue size.

• Align Compensate: Aligns profile along an edge or center line within ROI. Outputs aligned profile.
• Shift Compensate: Shifts coordinate system relative to a position. Outputs transformed profile.
• Tilt and Shift Correction: Rotates and shifts profile coordinate system. Outputs transformed profile.

• Distance Point to Point: Calculates Euclidean or coordinate-specific distance between two points. Outputs distance and result description.
• Distance Point to Line: Calculates perpendicular distance from a point to a line. Outputs distance and result description.
• Angle: Calculates angle between two profile edges within ROI. Outputs angle and result description.
• Angle Lines: Calculates intersection and angle between two lines/segments. Outputs angle, intersection point, and result description.
• Diameter: Calculates object diameter within ROI after eliminating profile slope.

• Diameter Calculation: The diameter of an object is calculated using three methods: minimum, maximum, and average distance between points. The direction of measurement can be horizontal or vertical.
• Extreme Coordinates: The document describes how to find the maximum and minimum X and Y coordinates within a specified region of interest (ROI).
• Profile Approximation: Profiles can be approximated using lines, circles, and polylines. The approximation methods include least squares for lines and circles, and piecewise linear functions for polylines.

• Measurement Area (ROI): The region of interest is defined by parameters such as left top x, left top y, width, and height. This area is crucial for all calculations and approximations.
• Input and Output: Inputs include profile data and ROI settings. Outputs vary depending on the calculation, such as diameter values, extreme points, and approximation results.

• Method: Specifies the method for distance calculation (min, max, avg).
• Direction: Specifies the direction of measurement (horizontal or vertical).
• Smoothing Window: A parameter that determines the width of the smoothing window for averaging profile points.

• Ensure the ROI is correctly set to include all relevant points for accurate measurements.
• Choose the appropriate method and direction based on the specific measurement requirements.

• Calculation errors may occur if inputs are not correctly configured, resulting in no output value.

• Smoothing Window: A parameter that determines the width of the smoothing window for profile points, set as a uint8_t array with a default value of 5.
• ROI Definition: The measurement area is defined by parameters: left top x, left top y, width, and height.

• Tilt Calculation: Calculates the tilt angle of a profile along a detected edge within the ROI. Outputs include the tilt angle and a description of the result in JSON format.
• Area Calculation: Computes the profile area within the ROI, considering outer and inner contours.
• Straightness Assessment: Measures the greatest distance from profile points to an adjacent straight line.
• Roundness Assessment: Evaluates the greatest distance from profile points to an adjacent circle, with separate methods for outer and inner contours.
• Defect Detection: Identifies defects relative to an approximated straight line or circle within the ROI using the least squares method.
• Profile Selection: Selects parts of the profile/contour within the ROI.
• Profile Union: Unites profiles with a transformed coordinate system, supporting asynchronous processing.
• Profile Detection: Checks if a profile is within the ROI and outputs the profile if detected.
• Profile Matching: Compares a measured profile with a reference profile, aligning and matching points within the ROI.
• Screw Detection: Measures thread parameters, including central line, crest, and root approximations, depth, and pitch.

• Distance Threshold: Minimum threshold distance for defect detection, defaulting to 0.05.
• Contour Type: Specifies whether outer or inner contour points are used for analysis.
• Profile Matching: Includes parameters for path to reference profile, permissible deviation threshold, and minimum points for defect detection.

• Various outputs include calculated angles, areas, straightness, roundness, defect distances, and profile alignments, often represented in JSON format for clarity and validation.

• Frame Capturing: Instructions are provided for capturing frames from the micrometer, displaying profiles, and saving changes. The process involves setting up displays to show profiles and dimensions of measured objects.
• Coordinate System Transformation: A step-by-step guide is given for creating a scheme to align the inclination of a measured object with the sensor's coordinate system. This includes adding specific blocks like "micrometer," "align compensate," and "tilt & shift correction," and making necessary connections between them.

• Python Script Smart Block: This section explains the use of Python scripts to extend system functionality, including custom measurement processing and control logic. Interaction with other blocks is managed through dynamically created input and output ports.
• Script Structure: Essential functions such as OnActivate, OnDeactivate, OnInputReceive, and Process are defined for script execution. An example script is provided to illustrate these functions.
• Script Editor and Debugging: The document describes the script editor's layout and how to debug scripts using Visual Studio Code with the debugpy library. Instructions for setting up a debug server and connecting to it are included.

• Message Module: This module is used for generating and processing messages between smart blocks. It includes methods for setting and retrieving message data, with examples of different message types and data structures.
• Actor Module: Designed for interaction with the Python script smart block, this module facilitates sending messages and logging system interactions. Functions for sending messages and logging at various levels (e.g., Trace, Debug, Info) are detailed.

• Finding the Center Line of the Profile: A script example is provided to demonstrate how to find the center line of a profile using the actor and message modules.

• Center Line Calculation: The script uses Principal Component Analysis (PCA) to determine the center line of a profile. It requires configuration of a PythonLoop smart block with specific input and output ports.
• System Motion Control: The system operates in cyclic mode between two limit switches. The script involves sending motor state requests and processing input messages to control motor steps and direction.

• Electrical Characteristics: Details on pinouts and electrical specifications for connectors and cables.
• Serial Interface Configuration: Instructions for changing port types in the UEFI BIOS.
• Modbus Data Types: Structure of data types for communication via Modbus protocol.

• MessageNumberInt8: Utilizes 9 registers of 16 bits each, with an int64 timestamp and an int16 value.
• MessageNumberInt16: Similar to Int8, but with an int16 value.
• MessageNumberInt32: Uses 10 registers, with an int32 value.
• MessageNumberInt64: Uses 12 registers, with an int64 value.
• MessageDouble: Uses 10 registers, with a float value.
• MessagePoint2dDouble: Uses 12 registers, with x and y float values.
• MessageRect: Uses 16 registers, with x, y, width, and height as float values.
• MessageSegmentLine: Uses 16 registers, with two points (x, y) as float values.
• MessageStraightLine: Uses 14 registers, with A, B, and C as float values.

To modify the controller's response to power supply, access the UEFI BIOS by connecting a display and keyboard to the controller and pressing DEL or F2 upon startup. In the Chipset tab under PCH-IO Configuration, adjust the 'Restore AC Power Loss' parameter with options: 'Power Off', 'Power On', or 'Last State'. Save changes in the Save & Exit tab.

The document lists distributors for 2D Optical Micrometers across various countries, including contact details and specific representatives for railway equipment. Notable distributors include Applied Measurement in Australia, Althen Sensors & Controls in Belgium, and ASCO RAIL in multiple European countries.