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- TSXCTZ1B
- Absolute Encoder Counter Module
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- 300 × 60 × 60 mm
- 0.205 kg
- Xiamen, China
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Product Overview
The Schneider TSXCTZ1B Modicon TSX Micro Absolute Encoder Counter Module is a single-channel positioning module for acquiring absolute position data from compatible SSI serial or parallel-output absolute encoders. It is used in TSX Micro automation systems where a controller needs position information for monitoring machine movement, coordinating sequences or managing positioning tasks.
The module supports SSI absolute encoders with resolutions from 8 to 25 bits and provides selectable acquisition frequencies of 200 kHz or 1 MHz, depending on the operating mode. It also supports parallel-output absolute encoders through the appropriate Telefast adaptation base. This allows the positioning interface to be selected according to the encoder’s output format and electrical requirements.
The TSXCTZ1B includes capture inputs and software-configurable positioning functions. Captured position values can be used by the control program to respond to defined machine events, while comparison functions can trigger event-driven processing when position thresholds are reached. Correct encoder configuration, signal compatibility and controller software support are essential when integrating the module into an existing TSX Micro installation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | TSXCTZ1B |
| Product Series | Modicon TSX Micro |
| Product Type | Absolute Encoder Positioning Module |
| Channel Number | 1 |
| Encoder Type | SSI serial or parallel-output absolute encoder |
| SSI Encoder Resolution | 8–25 bits |
| SSI Acquisition Frequency | 200 kHz or 1 MHz |
| Encoder Supply Voltage | 5 V DC or 10–30 V DC, according to configuration |
| Capture Inputs | 2 |
| Capture Input Rated Voltage | 24 V DC |
| Capture Input Rated Current | 8 mA |
| Capture Input Voltage Range | 19–30 V DC; up to 34 V for limited periods under specified conditions |
| Capture Input Type | Resistive |
| Encoder Distance, 200 kHz Mode | Up to 150 m, subject to applicable encoder and installation requirements |
| Encoder Distance, 1 MHz Mode | Up to 10 m, subject to applicable encoder and installation requirements |
| Positioning Functions | Capture, comparison, modulo, offset and retiming |
| Parallel Encoder Interface | Requires compatible Telefast adaptation base |
| Dimensions | 300 × 60 × 60 mm |
| Weight | 0.205 kg |
Product Features
- Single-channel absolute positioning: Acquires position information from one compatible absolute encoder.
- SSI encoder support: Accepts serial absolute encoder data with resolutions from 8 to 25 bits.
- Parallel encoder support: Can interface with compatible parallel-output absolute encoders through the required adaptation base.
- Selectable acquisition frequency: Supports 200 kHz and 1 MHz SSI acquisition modes.
- Position capture: Captures the current position value in response to configured input events.
- Position comparison: Uses programmed comparison thresholds to initiate supported event-driven tasks.
- Modulo processing: Supports cyclic position processing based on the configured modulo value.
- Offset correction: Provides functions for correcting position offsets and applying retiming adjustments.
- Dedicated capture inputs: Includes two 24 V DC capture inputs for compatible external signals.
- TSX Micro integration: Fits into the relevant Modicon TSX Micro automation architecture when the controller and software versions meet the module requirements.
Working Principle
The TSXCTZ1B receives absolute position data from a compatible encoder and makes that information available to the TSX Micro control program. With an SSI encoder, the module reads serial position data using the selected acquisition mode. When a parallel-output encoder is used, the appropriate interface base is required to connect the encoder signals to the module.
During machine operation, the module can capture a position value when a configured capture input or supported event occurs. The controller program can then use the captured value for sequence coordination, position checks or other application logic. Comparison functions evaluate position values against configured thresholds and can initiate supported event-driven processing.
Modulo, offset and retiming functions help adapt the acquired position data to the application’s coordinate system. These settings need to match the encoder resolution, machine travel and required reference position. An incorrect resolution or offset configuration can produce inaccurate position interpretation even when the encoder signals are present.
The module’s acquisition mode also affects the permitted encoder connection distance. The installation should follow the electrical and cable requirements for the selected mode, especially when using the 1 MHz acquisition setting. Encoder supply voltage, signal wiring and compatibility should be verified before commissioning.
Role in a Modicon TSX Micro Control Architecture
The TSXCTZ1B serves as the absolute-position acquisition interface within a TSX Micro automation system. It transfers encoder-derived position information into the controller’s application logic, allowing the PLC program to coordinate movement-related events with other machine functions.
| System Component | Function | Relationship to the TSXCTZ1B |
|---|---|---|
| Modicon TSX Micro PLC | Executes machine logic and sequencing | Hosts the module in a supported configuration |
| SSI Absolute Encoder | Supplies serial absolute position data | Connects to the module using a compatible SSI interface |
| Parallel-Output Absolute Encoder | Supplies position data through parallel outputs | Requires the appropriate Telefast adaptation base |
| Capture Sensor | Generates a position-capture event | Connects to a compatible 24 V DC capture input |
| Encoder Power Supply | Supplies the encoder’s required voltage | Must match the encoder and module interface requirements |
| Telefast Adaptation Base | Interfaces supported parallel-output encoders | Used when required by the encoder output format |
| PL7 Programming Software | Configures and programs the TSX Micro application | Must meet the module’s software-version requirements |
| Machine Actuator System | Moves the machine axis or mechanism | Uses position information processed by the controller |
| Operator Interface | Displays machine status and position-related information | Exchanges data through the PLC application |
Industrial Applications
| Application | Operating Requirement | Role of the TSXCTZ1B |
|---|---|---|
| Machine Axis Position Monitoring | Track the absolute position of a moving mechanism | Acquires position data from a compatible absolute encoder |
| Material Handling Equipment | Coordinate movement with programmed position points | Supplies position information for PLC sequence logic |
| Indexing Machinery | Trigger actions at defined positions | Supports position comparison and capture functions |
| Packaging Equipment | Synchronize machine events with material or mechanism position | Provides encoder data for position-dependent sequencing |
| Automated Transfer Systems | Monitor the position of moving assemblies | Makes absolute position values available to the control program |
| Rotary Positioning Applications | Track angular position through a suitable encoder | Acquires encoder data for configured positioning logic |
| Legacy TSX Micro Installations | Maintain an existing encoder-based control architecture | Provides the positioning interface in supported TSX Micro systems |
Installation and Maintenance
- Verify the module reference: Confirm that the unit is TSXCTZ1B and that the target TSX Micro PLC supports the module.
- Check controller and software compatibility: Confirm the required PLC operating-system version and compatible PL7 Micro, Junior or Pro software version for the installation.
- Identify the encoder output type: Determine whether the encoder uses SSI serial output or parallel output before selecting the connection arrangement.
- Confirm encoder resolution: Match the configured resolution to the encoder’s actual bit count to avoid incorrect position interpretation.
- Verify the supply voltage: Check the encoder’s voltage requirements and confirm that the selected supply arrangement is appropriate.
- Inspect the encoder cable: Check connector condition, shielding, cable routing and signal integrity before powering up the system.
- Observe acquisition-distance limits: Keep the encoder connection within the applicable cable-distance limits for the selected acquisition frequency.
- Check capture-input wiring: Verify that capture signals use compatible 24 V DC circuits and that their electrical characteristics meet the module requirements.
- Configure position parameters: Review acquisition mode, encoder resolution, modulo value, offset and retiming settings against the machine’s coordinate requirements.
- Test capture and comparison functions: Verify that capture events and configured position thresholds behave as expected during controlled machine movement.
- Investigate position discrepancies: Compare the module’s reported position with the encoder output and check configuration, wiring and mechanical coupling if values do not agree.
- Document the installation: Record the encoder type, resolution, acquisition frequency, wiring arrangement, software version and relevant positioning parameters.
Compatible System Components
| Component | Function | Compatibility Consideration |
|---|---|---|
| Modicon TSX Micro PLC | Executes the positioning application | Verify the controller’s hardware and operating-system compatibility |
| SSI Absolute Encoder | Supplies serial absolute position data | Confirm SSI format, bit resolution, supply voltage and timing |
| Parallel-Output Absolute Encoder | Supplies position data in parallel form | Use the required compatible adaptation base |
| ABE 7CPA11 Telefast Adaptation Base | Interfaces compatible parallel-output absolute encoders | Confirm the encoder output format and wiring arrangement |
| ABE 7CPA01 Telefast Connection Base | Provides encoder and capture-input connection facilities in supported arrangements | Check the connection method required for the installation |
| TSX CAP S9 Connector Accessory | Provides the specified encoder connector arrangement | Confirm connector type and pin assignment |
| TSX CAP H15 Connector Accessory | Provides the specified capture-input and encoder-supply connector arrangement | Verify connector compatibility and wiring |
| 24 V DC Capture Sensor | Generates an external capture signal | Confirm voltage, current and input compatibility |
| PL7 Programming Software | Configures the TSX Micro application | Use a software version compatible with the module and controller |
Recommended Related Models
| Model | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Schneider TSXCTZ1A | Counter Module | Related TSX Micro counting module | Select according to counting functions and encoder interface requirements |
| Schneider TSXCTZ2A | Two-Channel Counter Module | Related TSX Micro counter option | Evaluate when two counting channels are required instead of absolute-position acquisition |
| Schneider TSXCTZ2AA | High-Speed Counter Module | Related TSX Micro counting module | Compare its counting function and frequency requirements with the application |
| Schneider TSX37 Series PLC | Modicon TSX Micro PLC | Host automation platform | Verify the exact CPU, operating-system version and module support |
| Schneider ABE7CPA11 | Telefast Adaptation Base | Connection accessory for compatible parallel-output encoders | Required for applicable parallel encoder arrangements |
Key Advantages
- Acquires absolute position data through a single-channel encoder interface.
- Supports SSI encoders with resolutions from 8 to 25 bits.
- Provides capture and position-comparison functions for event-based machine logic.
- Supports both serial and compatible parallel encoder arrangements.
- Includes modulo, offset and retiming functions for position processing.
- Integrates with supported Modicon TSX Micro control systems.
Technical FAQs
How should the acquisition frequency be selected for the TSXCTZ1B?
Choose the acquisition mode according to the encoder’s supported timing and the required connection distance. The module supports 200 kHz and 1 MHz SSI acquisition, with different maximum connection distances. Verify the encoder specifications and cable arrangement before selecting the faster mode.
What should be checked if the TSXCTZ1B reports an incorrect absolute position after startup?
Check the encoder bit resolution, selected interface type, offset and retiming parameters. Confirm that the encoder is transmitting valid position data and that the PLC application interprets the value using the correct configuration.
When is the ABE 7CPA11 adaptation base needed with the TSXCTZ1B?
It is used when connecting a compatible absolute encoder with parallel outputs. An SSI encoder uses a different connection arrangement, so the required interface accessory depends on the encoder’s output format and the module’s wiring requirements.
Why might a configured capture event fail to register the expected position?
Check the capture-input wiring, input voltage, sensor response and configured capture logic. Also verify the event conditions in the PLC program and ensure that the encoder data is being acquired correctly when the capture signal occurs.