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Rotary encoder TBN42/C3 manual

Rotary encoder TBN42/C3 manual
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Rotary encoder TBN42/C3 manual

Product catalog summary
Specifications Overview
This document provides detailed specifications for absolute rotary encoders and switching cam encoders with a CANopen interface, specifically models NOCN, HBN, and TBN/TRN. These encoders are designed for high-resolution applications and comply with CANopen EN50325-5 standards, including both safety and non-safety interfaces.
Safety Instructions
The encoders are intended for precise angular or linear position measurements in safety-relevant systems. Installation and operation should be performed by qualified electricians following the provided documentation.
Device Specifications
The document details various encoder types, including switching cam encoders and rotary encoders with slewing ring functionality. It covers electrical specifications, environmental data, and mechanical requirements, emphasizing dust and moisture resistance, vibration shock tolerance, and electromagnetic compatibility (EMC).
CANopen Functionality
The encoders support CANopen communication with redundant position registration systems and error handling mechanisms. Error codes for sensor, cam, supply voltage, and device errors are specified, along with CANopen emergency messages.
CANopen Profile Definition
This section outlines the CANopen profile, including safety-relevant data objects (SRDOs), process data objects (PDOs), and communication service data objects. It details node ID configuration, baud rates, and other parameters for integrating the encoders into a CANopen network.
Commissioning and First Use
Guidance is provided for initial setup, including adjusting node-ID and baud-rate settings to align with controller specifications. Instructions for setting the encoder to preoperational mode and configuring it for operational use are included.
Intended Use
The encoders are designed for safety-relevant systems, functioning in harsh environments to provide position data via a CAN interface. They connect to control systems that evaluate transmitted data and react to errors to prevent hazardous states.
Design
The encoder consists of a position registration module, evaluation unit, switching cam encoder module, and an absolute encoder module. It features redundant position registration and secure data transfer via CANopen Safety.
Device Versions
1. Switching Cam Encoder: Includes switching outputs and uses all CANopen objects described in the specifications.
2. Rotary Encoder: Excludes switching outputs and certain CANopen objects. Available in singleturn or multiturn versions.
3. Rotary Encoder with Slewing Ring Functionality: Special software for slewing ring applications, using specific CANopen objects for gear parameters.
Specifications and Parameters
The document outlines various objects and parameters for configuration, including cam settings, diagnosis objects, and parameterization examples. Detailed instructions are provided for setting parameters like code sequence, number of teeth, and measuring range.
Recommendations and Examples
Includes recommendations for parameterization and examples for setting safety position and speed configuration parameters, cam limits, and behavior in case of errors.
Channel Error Specifications
The document outlines error codes and types for a redundant sensor system, detailing channel numbers and error types, including communication and sensor errors.
Specifications NOCN, HBN, and TBN/TRN
Detailed specifications for various error types and codes, including cam errors, supply voltage errors, and device errors, are provided.
CANopen Profile Definition
An overview of objects contained in the encoder profile, including communication profile area, safety CAN objects, and encoder objects, is provided.
Safety-Relevant Data Objects
SRDO1 and SRDO2 are defined for transmitting position and speed data, respectively, with specified formats and cyclic transmission.
Process Data Objects (PDOs)
The document describes the output of measured position and speed values in PDOs, detailing the byte structure for data transmission.
Communication Service Data Objects
Procedures for modifying the encoder via SDO communication are outlined, including setting the device to preoperational and waiting for response messages.
Manufacturer Information
Objects provide manufacturer-specific information such as device name, hardware version, and software version.
Parameter Storage and Restoration
Procedures for storing and restoring parameters, including the use of passwords and sub-index specifications for different parameter groups, are detailed.
Specifications and Procedures
  • Loading Default Parameters: Default parameters are loaded from ROM upon entering the correct password. Node IDs exceeding 32 require manual entry of COB IDs.
  • COB-ID-EMCY: Used for emergency messages, set to COB-ID-EMCY + node ID after loading defaults.
  • Inhibit Time EMCY: Limits bus load during rapid EMCY messages.
  • Producer Heartbeat Time: Heartbeat messages are transmitted at defined intervals if set above zero.
  • Identity Object: Contains manufacturer ID, product code, revision number, and serial number.
  • Error Behaviour Object: Defines actions in case of errors, with specific settings for redundancy and cam errors.
CANopen Safety Process Data Objects
  • SRDOs: Active when configuration_valid is set to 0xA5. The enable bit in the COB ID structure determines SRDO activation.
  • SRDO Communication Parameters: Modifications require recalculating and transmitting a new CRC checksum.
CANopen Process Data Objects
  • Transmit PDO Asynchronous: Processes asynchronous and cyclical events.
  • Transmit PDO Synchronous: Processes synchronous events without an inhibit timer or event timer.
Mapping Objects
  • SRDO Mapping Parameters: Defines coding for each mapping object with specified lengths in hex.
  • Transmit PDO Mapping: Similar to SRDO mapping, defining coding for each mapping object.
Safety CAN Objects
  • Configuration Valid: Reset each time a safety relevant parameter is accessed. Entering 0xA5 validates the configuration.
Checksum and Configuration Validity
Procedures for managing checksums and configuration validity for safety CAN parameters are outlined. A special TWK program is recommended for calculating the CRC checksum.
Node ID and Bit Rate Configuration
The node ID and bit rate for the CAN bus are configurable parameters, requiring a power reset to take effect.
Manufacturer-Specific Objects
Objects are defined for specific configurations, such as cam_valid_flag and gear_valid_flag, which ensure the validity of cam and gear parameters.
Position and Speed Parameters
Parameters for position and speed, including operating parameters, measuring units per revolution, and total measuring range, are specified.
Safety Objects
Safety objects define the behavior of the position registration system, requiring recalculating and transmitting a new CRC checksum for changes.
Specifications and Procedures
  • Object 6101 - Safety Speed Configuration Parameters: Manages speed measurement behavior in safety areas.
  • Object 6120 - Safety Standard Position Value: Contains the current position used in SRDO mapping.
  • Object 6121 - Safety Inverted Position Value: Contains bit-inverted position values.
  • Object 6124 - Safety Speed Value: Holds the current measured speed value for SRDO mapping.
  • Object 6125 - Safety Inverted Speed Value: Contains bit-inverted speed values.
  • Object 61FE - Safety Configuration Valid: A confirmation flag for valid configuration.
  • Object 61FF - Safety Configuration Signature: Contains the checksum for safety encoder parameters.
Cam Settings
  • General Information: Cam parameters are writable only in the PRE-OPERATIONAL state with the cam function deactivated.
  • Object 6300 - Cam State Register: Indicates active cam range.
  • Object 6301 - Cam Enable Register: Allows enabling/disabling cams.
  • Object 6302 - Cam Polarity Register: Changes cam polarity.
  • Object 6310 - Cam 1 Low Limit: Activates cam state when reached.
  • Object 6320 - Cam 1 High Limit: Deactivates cam state when exceeded.
  • Object 6330 - Cam 1 Hysteresis: Prevents constant state changes due to minor position changes.
Checksum Calculation
Uses a generator polynomial and processes objects in ascending order. The TWK program is recommended for CRC calculation.
Specifications Overview
This document outlines the specifications for NOCN, HBN, and TBN/TRN systems, focusing on various parameters and configurations for safety encoders.
Cam Hysteresis
Each cam has a hysteresis setting with a number of available channels set to 1 and a hysteresis channel value of 10.
Operating Parameters
  • Singleturn resolution: 4096
  • Number of distinguishable revolutions: 4096
  • Supported alarms and warnings are specified with hexadecimal values.
Safety Configuration
Includes cam and gear safety configurations with specific sub-indexes and CRC checksums for validation.
Parameterization Recommendations
Recommended steps for parameterizing safety encoders include setting position parameters, cam parameters, and SRDO parameters.
Procedures for NOCN with Slewing Ring Functionality
Specific steps are provided for setting gear parameters, including the number of teeth for slewing rings and pinions.
CRC Checksum Calculation
Screenshots and examples are provided for calculating CRC checksums using the TWK program.
Examples for Parameterization
Detailed examples are provided for setting safety position configuration parameters.
Overview This document provides detailed technical specifications and procedures for configuring and operating a device with node ID 13dez.
Specifications The document outlines specifications for NOCN, HBN, and TBN/TRN, dated 12.06.2019, with document number NOC 13100 UE.
Procedures
  • Configuration Activation: Steps to activate and deactivate configuration flags using specific command specifiers and byte sequences.
  • Parameter Setting: Instructions for setting safety speed integration time, cam limits, hysteresis, enable and polarity registers, and SRDO communication and speed parameters.
  • Checksum Calculation: Procedures for calculating CRC checksums using the TWK program.
  • Operational Settings: Steps to set devices to preoperational and operational states.
Error Handling
  • Redundant Encoder Behavior: Describes the behavior of full redundant encoders in case of errors.
  • Error Recognition: Guidance on recognizing error/emergency messages in traces and object 1003.
Key Parameters
  • Node ID: Set to 0x11 (17dez).
  • Bit Rate: Set to 0x2 (500 kbps).
  • COB-IDs: Specific COB-IDs for SRDO1 and SRDO2 are calculated based on node ID.
Figures and References The document includes multiple figures and references to chapters for detailed explanations of specific configurations and settings.
Overview The document provides technical specifications and error handling procedures for devices using CAN communication.
Specifications The document outlines the structure of error messages sent over CAN communication.
Error Categories and Details The document explains that bytes 5, 6, and 7 provide detailed information about the error.
Device-Specific Error Interpretation The document provides examples of error messages for specific devices like NOCN with cams.
Tables of Error Codes Several tables are included, detailing specific error codes for different devices.
Examples and Error Storage The document provides examples of error messages and explains how errors are stored in the pre_defined_error_field object 1003.
Conclusion The document serves as a comprehensive guide for diagnosing and interpreting error messages in devices using CAN communication.
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Catalog excerpts

Rotary encoder TBN42/C3 manual-1

SUPREME SENSORING TWK Document no: NOC 13100 UE Date: 12.06.2019 Specifications - NOCN, HBN and TBN/TRN for absolute rotary encoders and switching cam encoders with CANopen interface Specifications Rotary encoders Switching cam rotary encoders Slewing ring rotary encoders High resolution rotary encoders Type NOCN, HBN and TBN/TRN with CANopen safety / non-safety interface Profile (S0, S1, S2), S3, S4, C2, C3 CANopen EN50325-5 (Formerly CiA DS304) TWK-ELEKTRONIK GmbH BismarckstraBe 108 [email protected] visit us at | twk.de

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Rotary encoder TBN42/C3 manual-2

Specifications NOCN, HBN and TBN/TRN Safety instructions Scope This specification is valid exclusively for the following absolute encoders / switching cam encoders with CANopen (safety) interface: - NOCN, HBN and TBN/TRN with safety architecture (SIL2) Documentation The following documents must be observed: - The owner's system-specific operating instructions - This specification NOC13100 - Data sheet numbers NOC13099 NOC13292 HBN13218 TBN/TRN14271 (and other ones) - The connection assignment enclosed with every device Proper use The TWK-ELEKTRONIK GmbH absolute encoders and linear transducers...

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Rotary encoder TBN42/C3 manual-3

Specifications NOCN, HBN and TBN/TRN Date: 12.06.2019 Page 3 of 86 Document no. NOC 13100 UE

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Rotary encoder TBN42/C3 manual-4

Specifications NOCN, HBN and TBN/TRN Date: 12.06.2019 Page 4 of 86 Document no. NOC 13100 UE

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Rotary encoder TBN42/C3 manual-5

Specifications NOCN, HBN and TBN/TRN Only valid for NOCN with cams. Only valid for NOCN with slewing ring functionality

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Rotary encoder TBN42/C3 manual-6

Date: 12.06.2019 Page 6 of 86 Document no. NOC 13100 UE

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Rotary encoder TBN42/C3 manual-7

Specifications NOCN, HBN and TBN/TRN 1 Intended use The rotary encoder resp. switching cam encoder is intended for use in safety-relevant systems. The version without cams provides a safety rotary encoder in singleturn or multiturn design with a huge number of different flange an shaft designs (See datasheets NOC13099, NOC13292, HBN13218 and TBN/TRN14271, etc.). Thanks to its robust design, the switching cam encoder can be used in applications with harsh environmental conditions. Thanks to the combination of two relays per cam and the use of corresponding monitoring functions, the device offers...

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Rotary encoder TBN42/C3 manual-8

Specifications NOCN, HBN and TBN/TRN 3 Device versions The device designation nomenclature is defined in the NOC13099, NOC13292, HBN13218 and TBN/TRN14271 data sheet. Rotary encoder NOCN including switching outputs. All of the CANopen objects described in these specifications are used including all valid flags (13FE, 30FE and 61FE). All programming examples in chapter 11 and 12 are used. Rotary encoder Rotary encoder NOCN without switching outputs and high resolution encoder HBN, TBN/TRN. None of the CANopen objects described in these specifications concerning the switching outputs (Cams) are...

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Rotary encoder TBN42/C3 manual-9

Specifications NOCN, HBN and TBN/TRN But when the slewing ring position is not correct any more this is detected by NOCN or TRN. Regularily an error message will be transmitted by the encoder (FF FF 81 00 80 04 02 00) when power supply is switched on again (Exception: Shaft was turned n * 4096 rev.). To delete this error message, do the following: 1. Set valid flag 31FE active (A5). 2. Set valid flag 61FE active (A5). 3. Set valid flag 13FE active (A5). 4. Set encoder operational. If this may not work please do: 1. Load default values by object 1011, sub 01.2. Power off/on reset again. 3. Set...

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Rotary encoder TBN42/C3 manual-10

Specifications NOCN, HBN and TBN/TRN SUPREME SENSORING 4 Documents Machinery Directive 2006/42/EC Functional safety of electronic systems Safety of machinery - Safety-related parts of control systems CAN Interface. Application Layer and Communication Profile Version 4.2.0 Safety-relevant Communication. Layer Setting Service. Framework for Safety-relevant Communication Version 1.01. Device Profile for Encoders, Version 4.0.1 / Version 4.0.2 Electrical equipment for measurement, control and laboratory use - EMC requirements Electrical equipment for measurement, control and laboratory use - EMC...

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Rotary encoder TBN42/C3 manual-11

Specifications NOCN, HBN and TBN/TRN SUPREME SENSORING 5 Electrical specifications NOCN 5.1 General Refer to the NOC13099, NOC13292, HBN13218 and/or TBN/TRN14271 data sheet and the variant specifications for the precise electrical specifications. 1. Supply voltage 2. Power consumption 3. Temperature range 4. Communication profile 5.2 Measuring system 1. Measuring range 2. Resolution 3. Accuracy 4. Temperature drift 5. Sensor unit cycle time 9 V ... 36 VDC < 2.5 W - 40° C to + 70° C Full CAN Part A (11-bit) CANopen CiA 301 V 4.2 Encoder profile CANopen CiA 406 V 4.0.1 / V 4.0.2 CANopen Safety...

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Rotary encoder TBN42/C3 manual-12

Specifications NOCN, HBN and TBN/TRN Communication profile Full CAN Part A (11-bit) CANopen 301 V 4.1 Encoder CANopen DS 406 V 4.0.1 and V 4.0.2 resp. CANopen Safety EN 50325-5 With galvanic bus separation CAN connection assignment: 5-pin M12 male/female, coding A See datasheet NOC13099, NOC13292, HBN13218 and TBN/TRN14271 for further possibilities of galvanic separation / non separation due to customer requirements. Date: 12.06.2019 Page 12 of 86 Document no. NOC 13100 UE

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Rotary encoder TBN42/C3 manual-13

Specifications NOCN, HBN and TBN/TRN SUPREME SENSORING Recommended type of CANopen/power supply connecting cable: 6 Environmental data 6.1 Dust, moisture Permissible relative humidity Protection type: 6.2 Vibration shock EN 60068-2-6 EN 60068-2-27 Resistance to shock Resistance to vibration 6.3 EMC EN 61000-6-2 EN 61000-6-4 Vibration sinus Mechanical shock 25 g 6 ms each 100x on 3 axes (1 g = 9.81 m/s2) Amplitude of excursion 5 mm (peak value) or 10 g from 5 to 2000 Hz each 1 h on 3 axes Interference immunity for industrial environments Interference emission for industrial environments See as...

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Rotary encoder TBN42/C3 manual-14

Specifications NOCN, HBN and TBN/TRN 7 Mechanical system The mechanical dimensions are specified in data sheet NOC13099, NOC13292, HBN13218 and/or TBN/TRN14271 or in related drawings due to special mechanical designs. Date: 12.06.2019 Page 14 of 86 Document no. NOC 13100 UE

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Rotary encoder TBN42/C3 manual-15

Specifications NOCN, HBN and TBN/TRN 8 CANopen functionality The baud rates are implemented according to the following table. The baud rate 125 kBit/s is defined as the default setting. Baud rate table 8.1 Rotary encoder / Switching cam encoder and CANopen The switching cam encoder is always regarded as a secure system. The CANopen interface enables both secure operation via CANopen Safety and insecure operation via CANopen Standard. Due to the fact that the position data are relevant to the switching cam encoder and the switching cam encoder parameters are set via the CANopen interface, validation...

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