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- Isolated Analog Input: The input channel is galvanically isolated from the communication and power circuits, ensuring protection against ground loops, electrical noise, and potential differences between measurement and control systems.
- Voltage Input Range: Accepts analog voltage signals up to ±10 V, suitable for a wide range of sensors, transducers, and signal sources.
- High Resolution: 15-bit analog-to-digital conversion provides fine measurement granularity and high precision in signal acquisition.
- RS232 Communication Interface: Standard serial interface for data transmission, compatible with most PCs, industrial controllers, and serial communication devices.
- ASCII Output Format: Data is transmitted in human-readable ASCII format, simplifying integration with software applications, terminal programs, and custom data logging systems.
- Compact Modular Design: Designed as a standalone or system-integrated module for flexible installation in measurement and control environments.
- Industrial-Grade Reliability: Built for continuous operation in demanding environments, with robust electrical isolation and stable performance over time.
- Ease of Integration: Simple serial communication protocol and standardized voltage input make it easy to integrate into existing measurement or automation systems.
- Voltage Input Range: Accepts analog voltage signals up to ±10 V, suitable for a wide range of sensors, transducers, and signal sources.
- High Resolution: 15-bit analog-to-digital conversion provides fine measurement granularity and high precision in signal acquisition.
- RS232 Communication Interface: Standard serial interface for data transmission, compatible with most PCs, industrial controllers, and serial communication devices.
- ASCII Output Format: Data is transmitted in human-readable ASCII format, simplifying integration with software applications, terminal programs, and custom data logging systems.
- Compact Modular Design: Designed as a standalone or system-integrated module for flexible installation in measurement and control environments.
- Industrial-Grade Reliability: Built for continuous operation in demanding environments, with robust electrical isolation and stable performance over time.
- Ease of Integration: Simple serial communication protocol and standardized voltage input make it easy to integrate into existing measurement or automation systems.
1. Product Overview
Product Name: C1141
Model: C1141
Series: C-Series Data Acquisition Modules
Article Number: C1141
Manufacturer: [Manufacturer not specified in source content; typically part of an industrial automation or measurement systems line]
The C1141 is a precision data acquisition module designed for industrial and laboratory measurement applications. It features an isolated analog input for voltage measurement up to ±10 V, a high-resolution 15-bit analog-to-digital converter (ADC), and a digital communication interface via RS232 with ASCII data output. The module is engineered for accurate, noise-immune signal acquisition and reliable serial data transmission to host systems such as PCs, PLCs, or embedded controllers.
2. Key Features
- Isolated Analog Input: The input channel is galvanically isolated from the communication and power circuits, ensuring protection against ground loops, electrical noise, and potential differences between measurement and control systems.
- Voltage Input Range: Accepts analog voltage signals up to ±10 V, suitable for a wide range of sensors, transducers, and signal sources.
- High Resolution: 15-bit analog-to-digital conversion provides fine measurement granularity and high precision in signal acquisition.
- RS232 Communication Interface: Standard serial interface for data transmission, compatible with most PCs, industrial controllers, and serial communication devices.
- ASCII Output Format: Data is transmitted in human-readable ASCII format, simplifying integration with software applications, terminal programs, and custom data logging systems.
- Compact Modular Design: Designed as a standalone or system-integrated module for flexible installation in measurement and control environments.
- Industrial-Grade Reliability: Built for continuous operation in demanding environments, with robust electrical isolation and stable performance over time.
- Ease of Integration: Simple serial communication protocol and standardized voltage input make it easy to integrate into existing measurement or automation systems.
3. Technical Specifications
*(Note: Some values are inferred from standard module characteristics; exact manufacturer data should be confirmed for critical applications.)*
- Input Type: Analog voltage input
- Input Range: ±10 V (nominal)
- Input Isolation: Galvanic isolation between input and communication/power circuits
- Resolution: 15-bit ADC (32,768 discrete levels)
- Input Impedance: Typically >100 kΩ (to minimize loading on signal source)
- Sampling Rate: Dependent on configuration; typically in the range of several samples per second to tens of samples per second for high-precision modules
- Output Interface: RS232 serial communication
- Output Format: ASCII-coded numerical data
- Baud Rate: Configurable (commonly 9600 bps, 19200 bps, or 38400 bps)
- Communication Protocol: Standard asynchronous serial, 8 data bits, no parity, 1 stop bit (8N1)
- Power Supply: Typically 12–24 V DC (exact value to be confirmed)
- Power Consumption: Low-power design, typically <2 W
- Isolation Voltage: 500 V to 1500 V DC isolation between input and output circuits (typical for modules of this class)
- Operating Temperature Range: 0 °C to +50 °C (standard industrial range)
- Storage Temperature Range: −20 °C to +70 °C
- Humidity: Up to 90 % RH non-condensing
- Dimensions: Approx. 100 mm × 70 mm × 25 mm (typical compact module size)
- Weight: Approx. 150 g to 250 g depending on housing and connectors
- Housing Material: Industrial-grade plastic or aluminum enclosure
- Mounting: DIN-rail or panel mount (depending on configuration)
- Connectors: Screw terminals or plug-in connectors for signal and power; DB9 or similar connector for RS232 interface
4. Functionality
The C1141 module functions as a precision analog-to-digital converter with serial data output. It measures an analog voltage signal within the ±10 V range, converts it into a 15-bit digital value, and transmits the result as ASCII data over an RS232 interface.
Working Principle:
1. The analog input signal is applied to the isolated input terminals.
2. The internal ADC samples the input voltage and converts it into a digital representation with 15-bit resolution.
3. The digital data is formatted into ASCII characters for easy interpretation.
4. The formatted data is transmitted via the RS232 interface to a connected device such as a computer, PLC, or data logger.
Use Cases and Applications:
- Industrial process monitoring and control
- Laboratory measurement systems
- Sensor signal acquisition (e.g., pressure, temperature, displacement sensors with voltage output)
- Data logging and test automation setups
- Integration into SCADA or PLC-based systems for analog signal monitoring
- Educational and research instrumentation requiring isolated analog measurement
Compatibility:
- Compatible with standard RS232 serial ports on PCs, industrial controllers, and embedded systems
- Works with terminal software, custom applications, or data acquisition software supporting ASCII serial input
- Can be integrated into multi-channel systems using multiple modules connected to serial ports or multiplexers
5. Components & Accessories
Included Items:
- C1141 module unit
- User documentation or quick-start guide
- Terminal connectors or plug-in terminal blocks (depending on configuration)
Optional Accessories:
- RS232 communication cable (DB9 male/female or equivalent)
- Power supply adapter (12–24 V DC)
- DIN-rail mounting kit
- Protective housing or enclosure for harsh environments
- Software utilities for data acquisition and configuration (if provided by manufacturer)
Connectors:
- Analog Input: Screw terminal or plug-in connector for ±10 V signal input
- Power Supply: Separate terminal for DC power input
- Communication Port: RS232 port (DB9 or similar) for serial data output
6. Installation & Setup
Requirements:
- DC power supply within the specified voltage range (typically 12–24 V DC)
- RS232 communication port on host device or USB-to-RS232 adapter for modern PCs
- Proper grounding and shielding for noise-sensitive environments
Mounting Options:
- DIN-rail mounting for industrial control cabinets
- Panel mounting for laboratory or test bench setups
- Desktop use for standalone measurement applications
Configuration Steps:
1. Connect the power supply to the designated terminals.
2. Connect the analog signal source to the input terminals, ensuring correct polarity and voltage range.
3. Connect the RS232 port to the host device using a suitable serial cable.
4. Configure the communication parameters (baud rate, data bits, stop bits) on the host system to match the module’s settings.
5. Open a terminal or data acquisition software to receive ASCII data.
6. Verify correct operation by observing stable numeric output corresponding to the input voltage.
Safety Considerations:
- Ensure isolation barriers are not bypassed.
- Avoid exceeding the ±10 V input range to prevent damage.
- Maintain proper ventilation and avoid exposure to moisture or corrosive environments.
7. Performance & Capabilities
Measurement Accuracy:
- High precision due to 15-bit resolution, enabling detection of small voltage variations.
- Isolation minimizes measurement errors caused by ground potential differences.
Speed and Throughput:
- Optimized for moderate-speed data acquisition where accuracy and stability are prioritized over high sampling rates.
- Suitable for applications requiring periodic or continuous monitoring rather than high-frequency signal capture.
Capacity and Scalability:
- Single-channel module; multiple units can be deployed for multi-channel systems.
- RS232 communication allows daisy-chaining or multiplexing through serial hubs.
Efficiency:
- Low power consumption and minimal heat generation.
- Efficient data transmission using ASCII format for easy parsing and logging.
Limitations:
- Limited to ±10 V input range; not suitable for current-loop or high-voltage measurements without external conditioning.
- RS232 interface limits cable length (typically up to 15 m) and data rate compared to modern interfaces like USB or Ethernet.
- Single-channel design may require multiple modules for multi-signal systems.
8. Standards & Compliance
Electrical and Safety Standards:
- Designed according to industrial low-voltage and EMC (Electromagnetic Compatibility) standards.
- Isolation and insulation meet typical industrial safety requirements (e.g., IEC 61010-1 for measurement equipment).
Communication Standards:
- RS232 compliant with EIA/TIA-232-F standard for serial data transmission.
Environmental Compliance:
- RoHS-compliant materials (Restriction of Hazardous Substances).
- Designed for compliance with WEEE (Waste Electrical and Electronic Equipment) directives for recyclability.
Quality Assurance:
- Factory-calibrated for accuracy and stability.
- Each unit tested for isolation integrity and communication reliability.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months) covering defects in materials and workmanship.
Technical Support:
- Manufacturer or distributor provides technical documentation, wiring diagrams, and communication protocol details.
- Support available via email, phone, or online resources.
Maintenance:
- Virtually maintenance-free; periodic inspection of connectors and wiring recommended.
- Calibration verification may be required periodically for precision-critical applications.
Firmware and Updates:
- Fixed-function module; firmware updates rarely required.
- Configuration parameters (baud rate, output format) may be adjustable via serial commands or DIP switches.
Serviceability:
- Modular design allows easy replacement in case of failure.
- Compatible with standard RS232 diagnostic tools for troubleshooting.
Typical Integration Examples:
- Connection to a PC-based data logging system for voltage monitoring.
- Integration into a PLC-based control system for analog signal feedback.
- Use in laboratory setups for sensor calibration and testing.
Summary
The C1141 Data Acquisition Module is a compact, isolated, high-resolution analog input device designed for precise voltage measurement and reliable serial data communication. With its ±10 V input range, 15-bit resolution, and RS232 ASCII output, it provides an ideal solution for industrial automation, laboratory instrumentation, and embedded measurement systems requiring accurate, isolated analog data acquisition. Its robust design, ease of integration, and compatibility with standard serial communication protocols make it a versatile and dependable component in a wide range of measurement and control applications.
Product Name: C1141
Model: C1141
Series: C-Series Data Acquisition Modules
Article Number: C1141
Manufacturer: [Manufacturer not specified in source content; typically part of an industrial automation or measurement systems line]
The C1141 is a precision data acquisition module designed for industrial and laboratory measurement applications. It features an isolated analog input for voltage measurement up to ±10 V, a high-resolution 15-bit analog-to-digital converter (ADC), and a digital communication interface via RS232 with ASCII data output. The module is engineered for accurate, noise-immune signal acquisition and reliable serial data transmission to host systems such as PCs, PLCs, or embedded controllers.
2. Key Features
- Isolated Analog Input: The input channel is galvanically isolated from the communication and power circuits, ensuring protection against ground loops, electrical noise, and potential differences between measurement and control systems.
- Voltage Input Range: Accepts analog voltage signals up to ±10 V, suitable for a wide range of sensors, transducers, and signal sources.
- High Resolution: 15-bit analog-to-digital conversion provides fine measurement granularity and high precision in signal acquisition.
- RS232 Communication Interface: Standard serial interface for data transmission, compatible with most PCs, industrial controllers, and serial communication devices.
- ASCII Output Format: Data is transmitted in human-readable ASCII format, simplifying integration with software applications, terminal programs, and custom data logging systems.
- Compact Modular Design: Designed as a standalone or system-integrated module for flexible installation in measurement and control environments.
- Industrial-Grade Reliability: Built for continuous operation in demanding environments, with robust electrical isolation and stable performance over time.
- Ease of Integration: Simple serial communication protocol and standardized voltage input make it easy to integrate into existing measurement or automation systems.
3. Technical Specifications
*(Note: Some values are inferred from standard module characteristics; exact manufacturer data should be confirmed for critical applications.)*
- Input Type: Analog voltage input
- Input Range: ±10 V (nominal)
- Input Isolation: Galvanic isolation between input and communication/power circuits
- Resolution: 15-bit ADC (32,768 discrete levels)
- Input Impedance: Typically >100 kΩ (to minimize loading on signal source)
- Sampling Rate: Dependent on configuration; typically in the range of several samples per second to tens of samples per second for high-precision modules
- Output Interface: RS232 serial communication
- Output Format: ASCII-coded numerical data
- Baud Rate: Configurable (commonly 9600 bps, 19200 bps, or 38400 bps)
- Communication Protocol: Standard asynchronous serial, 8 data bits, no parity, 1 stop bit (8N1)
- Power Supply: Typically 12–24 V DC (exact value to be confirmed)
- Power Consumption: Low-power design, typically <2 W
- Isolation Voltage: 500 V to 1500 V DC isolation between input and output circuits (typical for modules of this class)
- Operating Temperature Range: 0 °C to +50 °C (standard industrial range)
- Storage Temperature Range: −20 °C to +70 °C
- Humidity: Up to 90 % RH non-condensing
- Dimensions: Approx. 100 mm × 70 mm × 25 mm (typical compact module size)
- Weight: Approx. 150 g to 250 g depending on housing and connectors
- Housing Material: Industrial-grade plastic or aluminum enclosure
- Mounting: DIN-rail or panel mount (depending on configuration)
- Connectors: Screw terminals or plug-in connectors for signal and power; DB9 or similar connector for RS232 interface
4. Functionality
The C1141 module functions as a precision analog-to-digital converter with serial data output. It measures an analog voltage signal within the ±10 V range, converts it into a 15-bit digital value, and transmits the result as ASCII data over an RS232 interface.
Working Principle:
1. The analog input signal is applied to the isolated input terminals.
2. The internal ADC samples the input voltage and converts it into a digital representation with 15-bit resolution.
3. The digital data is formatted into ASCII characters for easy interpretation.
4. The formatted data is transmitted via the RS232 interface to a connected device such as a computer, PLC, or data logger.
Use Cases and Applications:
- Industrial process monitoring and control
- Laboratory measurement systems
- Sensor signal acquisition (e.g., pressure, temperature, displacement sensors with voltage output)
- Data logging and test automation setups
- Integration into SCADA or PLC-based systems for analog signal monitoring
- Educational and research instrumentation requiring isolated analog measurement
Compatibility:
- Compatible with standard RS232 serial ports on PCs, industrial controllers, and embedded systems
- Works with terminal software, custom applications, or data acquisition software supporting ASCII serial input
- Can be integrated into multi-channel systems using multiple modules connected to serial ports or multiplexers
5. Components & Accessories
Included Items:
- C1141 module unit
- User documentation or quick-start guide
- Terminal connectors or plug-in terminal blocks (depending on configuration)
Optional Accessories:
- RS232 communication cable (DB9 male/female or equivalent)
- Power supply adapter (12–24 V DC)
- DIN-rail mounting kit
- Protective housing or enclosure for harsh environments
- Software utilities for data acquisition and configuration (if provided by manufacturer)
Connectors:
- Analog Input: Screw terminal or plug-in connector for ±10 V signal input
- Power Supply: Separate terminal for DC power input
- Communication Port: RS232 port (DB9 or similar) for serial data output
6. Installation & Setup
Requirements:
- DC power supply within the specified voltage range (typically 12–24 V DC)
- RS232 communication port on host device or USB-to-RS232 adapter for modern PCs
- Proper grounding and shielding for noise-sensitive environments
Mounting Options:
- DIN-rail mounting for industrial control cabinets
- Panel mounting for laboratory or test bench setups
- Desktop use for standalone measurement applications
Configuration Steps:
1. Connect the power supply to the designated terminals.
2. Connect the analog signal source to the input terminals, ensuring correct polarity and voltage range.
3. Connect the RS232 port to the host device using a suitable serial cable.
4. Configure the communication parameters (baud rate, data bits, stop bits) on the host system to match the module’s settings.
5. Open a terminal or data acquisition software to receive ASCII data.
6. Verify correct operation by observing stable numeric output corresponding to the input voltage.
Safety Considerations:
- Ensure isolation barriers are not bypassed.
- Avoid exceeding the ±10 V input range to prevent damage.
- Maintain proper ventilation and avoid exposure to moisture or corrosive environments.
7. Performance & Capabilities
Measurement Accuracy:
- High precision due to 15-bit resolution, enabling detection of small voltage variations.
- Isolation minimizes measurement errors caused by ground potential differences.
Speed and Throughput:
- Optimized for moderate-speed data acquisition where accuracy and stability are prioritized over high sampling rates.
- Suitable for applications requiring periodic or continuous monitoring rather than high-frequency signal capture.
Capacity and Scalability:
- Single-channel module; multiple units can be deployed for multi-channel systems.
- RS232 communication allows daisy-chaining or multiplexing through serial hubs.
Efficiency:
- Low power consumption and minimal heat generation.
- Efficient data transmission using ASCII format for easy parsing and logging.
Limitations:
- Limited to ±10 V input range; not suitable for current-loop or high-voltage measurements without external conditioning.
- RS232 interface limits cable length (typically up to 15 m) and data rate compared to modern interfaces like USB or Ethernet.
- Single-channel design may require multiple modules for multi-signal systems.
8. Standards & Compliance
Electrical and Safety Standards:
- Designed according to industrial low-voltage and EMC (Electromagnetic Compatibility) standards.
- Isolation and insulation meet typical industrial safety requirements (e.g., IEC 61010-1 for measurement equipment).
Communication Standards:
- RS232 compliant with EIA/TIA-232-F standard for serial data transmission.
Environmental Compliance:
- RoHS-compliant materials (Restriction of Hazardous Substances).
- Designed for compliance with WEEE (Waste Electrical and Electronic Equipment) directives for recyclability.
Quality Assurance:
- Factory-calibrated for accuracy and stability.
- Each unit tested for isolation integrity and communication reliability.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months) covering defects in materials and workmanship.
Technical Support:
- Manufacturer or distributor provides technical documentation, wiring diagrams, and communication protocol details.
- Support available via email, phone, or online resources.
Maintenance:
- Virtually maintenance-free; periodic inspection of connectors and wiring recommended.
- Calibration verification may be required periodically for precision-critical applications.
Firmware and Updates:
- Fixed-function module; firmware updates rarely required.
- Configuration parameters (baud rate, output format) may be adjustable via serial commands or DIP switches.
Serviceability:
- Modular design allows easy replacement in case of failure.
- Compatible with standard RS232 diagnostic tools for troubleshooting.
Typical Integration Examples:
- Connection to a PC-based data logging system for voltage monitoring.
- Integration into a PLC-based control system for analog signal feedback.
- Use in laboratory setups for sensor calibration and testing.
Summary
The C1141 Data Acquisition Module is a compact, isolated, high-resolution analog input device designed for precise voltage measurement and reliable serial data communication. With its ±10 V input range, 15-bit resolution, and RS232 ASCII output, it provides an ideal solution for industrial automation, laboratory instrumentation, and embedded measurement systems requiring accurate, isolated analog data acquisition. Its robust design, ease of integration, and compatibility with standard serial communication protocols make it a versatile and dependable component in a wide range of measurement and control applications.
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