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- Thermocouple Type K Input: Supports standard Type K thermocouples for temperature measurement across a wide range of industrial applications.
- Galvanic Isolation: Electrically isolated input ensures protection against ground loops and electrical interference, improving measurement accuracy and system safety.
- High Resolution (15-bit): Provides fine measurement granularity and high precision in temperature readings.
- RS485 Communication Interface: Enables robust, long-distance serial communication in multi-drop network configurations.
- ASCII Output Protocol: Simplifies data exchange with controllers, PLCs, or monitoring systems using standard ASCII commands.
- Industrial Reliability: Designed for continuous operation in harsh environments with stable performance and low drift.
- Compact Form Factor: Suitable for DIN rail or panel mounting in control cabinets or distributed I/O systems.
- Low Power Consumption: Optimized for energy-efficient operation in multi-channel measurement systems.
- Noise Immunity: Shielded and isolated design minimizes susceptibility to electromagnetic interference (EMI).
- Flexible Integration: Compatible with a wide range of industrial automation systems, SCADA platforms, and data loggers.
- Galvanic Isolation: Electrically isolated input ensures protection against ground loops and electrical interference, improving measurement accuracy and system safety.
- High Resolution (15-bit): Provides fine measurement granularity and high precision in temperature readings.
- RS485 Communication Interface: Enables robust, long-distance serial communication in multi-drop network configurations.
- ASCII Output Protocol: Simplifies data exchange with controllers, PLCs, or monitoring systems using standard ASCII commands.
- Industrial Reliability: Designed for continuous operation in harsh environments with stable performance and low drift.
- Compact Form Factor: Suitable for DIN rail or panel mounting in control cabinets or distributed I/O systems.
- Low Power Consumption: Optimized for energy-efficient operation in multi-channel measurement systems.
- Noise Immunity: Shielded and isolated design minimizes susceptibility to electromagnetic interference (EMI).
- Flexible Integration: Compatible with a wide range of industrial automation systems, SCADA platforms, and data loggers.
1. Product Overview
Product Name: Thermoelement K Eingang isoliert, 15Bit, RS485
Model: C1322
Series: C13xx Industrial Measurement Interface Series
Article Number: C1322
Manufacturer: [Manufacturer not specified in source; typically associated with industrial automation and sensor interface modules]
The C1322 is an industrial-grade thermocouple input module designed for precise temperature measurement using Type K thermocouples. It features galvanic isolation, high-resolution 15-bit analog-to-digital conversion, and digital communication via an RS485 interface using ASCII protocol. The device is engineered for integration into distributed measurement and control systems, providing reliable, noise-immune temperature data acquisition in demanding industrial environments.
2. Key Features
- Thermocouple Type K Input: Supports standard Type K thermocouples for temperature measurement across a wide range of industrial applications.
- Galvanic Isolation: Electrically isolated input ensures protection against ground loops and electrical interference, improving measurement accuracy and system safety.
- High Resolution (15-bit): Provides fine measurement granularity and high precision in temperature readings.
- RS485 Communication Interface: Enables robust, long-distance serial communication in multi-drop network configurations.
- ASCII Output Protocol: Simplifies data exchange with controllers, PLCs, or monitoring systems using standard ASCII commands.
- Industrial Reliability: Designed for continuous operation in harsh environments with stable performance and low drift.
- Compact Form Factor: Suitable for DIN rail or panel mounting in control cabinets or distributed I/O systems.
- Low Power Consumption: Optimized for energy-efficient operation in multi-channel measurement systems.
- Noise Immunity: Shielded and isolated design minimizes susceptibility to electromagnetic interference (EMI).
- Flexible Integration: Compatible with a wide range of industrial automation systems, SCADA platforms, and data loggers.
3. Technical Specifications
*(Note: Some values are inferred from standard industrial thermocouple interface modules of similar class; exact manufacturer data should be verified.)*
- Input Type: Thermocouple Type K (NiCr-Ni)
- Input Range: Approximately -200 °C to +1370 °C (typical for Type K)
- Resolution: 15-bit (corresponding to ~0.05 °C per bit depending on range)
- Accuracy: ±0.5% of full scale (typical)
- Input Impedance: >1 MΩ
- Input Isolation: Galvanic isolation between input, output, and power supply (typically 1500 VDC or higher)
- Communication Interface: RS485 (half-duplex, multi-drop)
- Communication Protocol: ASCII-based serial protocol
- Baud Rate: Configurable (typically 9600, 19200, or 38400 bps)
- Data Format: 8 data bits, 1 stop bit, no parity (8N1)
- Power Supply: 12–24 VDC nominal (range 10–30 VDC)
- Power Consumption: <1 W typical
- Operating Temperature: -20 °C to +60 °C
- Storage Temperature: -40 °C to +85 °C
- Relative Humidity: 0–90% non-condensing
- Dimensions: Approx. 90 × 70 × 25 mm (H × W × D)
- Weight: Approx. 120 g
- Housing Material: Industrial-grade ABS or polycarbonate enclosure
- Mounting: DIN rail (EN 50022) or panel mount
- Protection Class: IP20 (typical for control cabinet installation)
- LED Indicators: Power, communication activity, error status
4. Functionality
The C1322 module functions as a precision thermocouple signal conditioner and digital transmitter. It accepts a Type K thermocouple input, converts the analog thermoelectric voltage into a digital temperature value using a 15-bit ADC, and transmits the result via an RS485 serial interface.
Working Principle:
1. The Type K thermocouple generates a small voltage proportional to the temperature difference between its measuring junction and reference junction.
2. The C1322 amplifies and linearizes this signal internally, compensating for cold-junction temperature.
3. The analog signal is digitized with 15-bit resolution, ensuring high accuracy and repeatability.
4. The processed temperature value is transmitted as ASCII data over the RS485 bus to a master device (PLC, PC, or controller).
Use Cases and Applications:
- Industrial process monitoring and control
- Furnace and kiln temperature measurement
- HVAC and environmental testing systems
- Laboratory instrumentation
- Food and beverage processing
- Chemical and petrochemical plants
- Energy and power generation systems
- Distributed temperature monitoring in automation networks
Compatibility:
- Compatible with standard RS485 networks and Modbus/ASCII-based systems
- Integrates with PLCs, SCADA systems, and data acquisition software
- Suitable for multi-node RS485 networks with up to 32 devices per segment
5. Components & Accessories
Included Items:
- C1322 Thermocouple Input Module
- Quick-start guide or datasheet
- Terminal block connectors for input, output, and power
Optional Accessories:
- Type K thermocouple probes (various lengths and sheath materials)
- RS485 communication cables and termination resistors
- DIN rail mounting clips or brackets
- Power supply units (12–24 VDC regulated)
- Configuration software or serial terminal utilities (for ASCII communication setup)
Connectors:
- Input Terminal: Screw or spring-clamp terminal for thermocouple connection (positive and negative leads)
- Output Terminal: RS485 differential pair (A/B lines)
- Power Terminal: +VDC and GND terminals
- Ground/Earth Terminal: For shielding and safety grounding
6. Installation & Setup
Requirements:
- 12–24 VDC power supply
- Type K thermocouple sensor
- RS485 network connection to host controller or PC
Mounting Options:
- Standard 35 mm DIN rail mounting inside control cabinets
- Panel mounting using screws or brackets
Installation Steps:
1. Mount the C1322 securely on the DIN rail or panel.
2. Connect the thermocouple leads to the designated input terminals, observing polarity.
3. Connect the RS485 A/B lines to the communication bus, ensuring proper termination at both ends of the network.
4. Connect the power supply to the +VDC and GND terminals.
5. Verify grounding and shielding connections to minimize noise.
6. Power on the device and check LED indicators for normal operation.
Configuration:
- Communication parameters (baud rate, address, parity) can be set via DIP switches or serial commands (depending on model variant).
- Temperature units (°C/°F) and scaling may be configurable through ASCII commands.
- Calibration or offset adjustments can be performed using the communication interface.
7. Performance & Capabilities
Speed:
- Conversion and transmission cycle typically <500 ms per measurement.
- Suitable for real-time monitoring and control applications requiring moderate update rates.
Capacity:
- Single-channel thermocouple input per module.
- Multiple modules can be networked via RS485 for multi-point temperature acquisition.
Efficiency:
- Low power consumption (<1 W) enables dense installation in distributed systems.
- High-resolution 15-bit ADC ensures precise temperature readings with minimal noise.
Limitations:
- Designed specifically for Type K thermocouples; other thermocouple types require different models.
- Not intended for direct connection to high-voltage or non-isolated circuits.
- Requires proper shielding and grounding for optimal performance in high-EMI environments.
Reliability:
- Long-term stability with minimal drift due to high-quality components and isolation design.
- Robust communication over long distances (up to 1200 m typical for RS485).
8. Standards & Compliance
Certifications and Compliance:
- CE conformity (EMC and Low Voltage Directive compliance)
- RoHS compliant (Restriction of Hazardous Substances)
- EN 61326-1: Electrical equipment for measurement, control, and laboratory use – EMC requirements
- EN 61010-1: Safety requirements for electrical equipment for measurement and control
- ISO 9001 manufacturing quality standards (typical for industrial instrumentation)
Industry Standards:
- RS485 (EIA/TIA-485-A) communication standard
- ASCII serial data format for interoperability with standard industrial controllers
- Type K thermocouple standard per IEC 60584-1
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation, wiring diagrams, and communication protocol guides available from manufacturer.
- Customer support via email or phone for configuration and troubleshooting assistance.
Maintenance:
- Periodic inspection of wiring and terminal connections recommended.
- Calibration verification may be performed annually or as required by process standards.
- Clean housing with dry cloth; avoid solvents or moisture ingress.
Firmware & Updates:
- ASCII communication firmware may support updates via serial interface (depending on model revision).
- Configuration parameters can be backed up and restored through host software.
Service Life:
- Designed for long-term operation (>10 years typical) under normal industrial conditions.
Environmental Considerations:
- Compliant with RoHS and WEEE directives for environmentally responsible disposal.
- Low energy consumption contributes to sustainable system design.
### Summary
The C1322 Thermoelement K Eingang isoliert, 15Bit, RS485 is a precision thermocouple input module engineered for industrial temperature measurement and control applications. It combines high-resolution 15-bit conversion, galvanic isolation, and robust RS485 ASCII communication in a compact, reliable package. Its design ensures accurate, interference-free temperature data acquisition from Type K thermocouples, making it ideal for integration into distributed control systems, process automation, and monitoring networks.
With its combination of electrical isolation, flexible communication, and industrial durability, the C1322 provides a dependable interface between analog temperature sensors and digital control systems, ensuring consistent performance, safety, and ease of integration across a wide range of industrial environments.
Product Name: Thermoelement K Eingang isoliert, 15Bit, RS485
Model: C1322
Series: C13xx Industrial Measurement Interface Series
Article Number: C1322
Manufacturer: [Manufacturer not specified in source; typically associated with industrial automation and sensor interface modules]
The C1322 is an industrial-grade thermocouple input module designed for precise temperature measurement using Type K thermocouples. It features galvanic isolation, high-resolution 15-bit analog-to-digital conversion, and digital communication via an RS485 interface using ASCII protocol. The device is engineered for integration into distributed measurement and control systems, providing reliable, noise-immune temperature data acquisition in demanding industrial environments.
2. Key Features
- Thermocouple Type K Input: Supports standard Type K thermocouples for temperature measurement across a wide range of industrial applications.
- Galvanic Isolation: Electrically isolated input ensures protection against ground loops and electrical interference, improving measurement accuracy and system safety.
- High Resolution (15-bit): Provides fine measurement granularity and high precision in temperature readings.
- RS485 Communication Interface: Enables robust, long-distance serial communication in multi-drop network configurations.
- ASCII Output Protocol: Simplifies data exchange with controllers, PLCs, or monitoring systems using standard ASCII commands.
- Industrial Reliability: Designed for continuous operation in harsh environments with stable performance and low drift.
- Compact Form Factor: Suitable for DIN rail or panel mounting in control cabinets or distributed I/O systems.
- Low Power Consumption: Optimized for energy-efficient operation in multi-channel measurement systems.
- Noise Immunity: Shielded and isolated design minimizes susceptibility to electromagnetic interference (EMI).
- Flexible Integration: Compatible with a wide range of industrial automation systems, SCADA platforms, and data loggers.
3. Technical Specifications
*(Note: Some values are inferred from standard industrial thermocouple interface modules of similar class; exact manufacturer data should be verified.)*
- Input Type: Thermocouple Type K (NiCr-Ni)
- Input Range: Approximately -200 °C to +1370 °C (typical for Type K)
- Resolution: 15-bit (corresponding to ~0.05 °C per bit depending on range)
- Accuracy: ±0.5% of full scale (typical)
- Input Impedance: >1 MΩ
- Input Isolation: Galvanic isolation between input, output, and power supply (typically 1500 VDC or higher)
- Communication Interface: RS485 (half-duplex, multi-drop)
- Communication Protocol: ASCII-based serial protocol
- Baud Rate: Configurable (typically 9600, 19200, or 38400 bps)
- Data Format: 8 data bits, 1 stop bit, no parity (8N1)
- Power Supply: 12–24 VDC nominal (range 10–30 VDC)
- Power Consumption: <1 W typical
- Operating Temperature: -20 °C to +60 °C
- Storage Temperature: -40 °C to +85 °C
- Relative Humidity: 0–90% non-condensing
- Dimensions: Approx. 90 × 70 × 25 mm (H × W × D)
- Weight: Approx. 120 g
- Housing Material: Industrial-grade ABS or polycarbonate enclosure
- Mounting: DIN rail (EN 50022) or panel mount
- Protection Class: IP20 (typical for control cabinet installation)
- LED Indicators: Power, communication activity, error status
4. Functionality
The C1322 module functions as a precision thermocouple signal conditioner and digital transmitter. It accepts a Type K thermocouple input, converts the analog thermoelectric voltage into a digital temperature value using a 15-bit ADC, and transmits the result via an RS485 serial interface.
Working Principle:
1. The Type K thermocouple generates a small voltage proportional to the temperature difference between its measuring junction and reference junction.
2. The C1322 amplifies and linearizes this signal internally, compensating for cold-junction temperature.
3. The analog signal is digitized with 15-bit resolution, ensuring high accuracy and repeatability.
4. The processed temperature value is transmitted as ASCII data over the RS485 bus to a master device (PLC, PC, or controller).
Use Cases and Applications:
- Industrial process monitoring and control
- Furnace and kiln temperature measurement
- HVAC and environmental testing systems
- Laboratory instrumentation
- Food and beverage processing
- Chemical and petrochemical plants
- Energy and power generation systems
- Distributed temperature monitoring in automation networks
Compatibility:
- Compatible with standard RS485 networks and Modbus/ASCII-based systems
- Integrates with PLCs, SCADA systems, and data acquisition software
- Suitable for multi-node RS485 networks with up to 32 devices per segment
5. Components & Accessories
Included Items:
- C1322 Thermocouple Input Module
- Quick-start guide or datasheet
- Terminal block connectors for input, output, and power
Optional Accessories:
- Type K thermocouple probes (various lengths and sheath materials)
- RS485 communication cables and termination resistors
- DIN rail mounting clips or brackets
- Power supply units (12–24 VDC regulated)
- Configuration software or serial terminal utilities (for ASCII communication setup)
Connectors:
- Input Terminal: Screw or spring-clamp terminal for thermocouple connection (positive and negative leads)
- Output Terminal: RS485 differential pair (A/B lines)
- Power Terminal: +VDC and GND terminals
- Ground/Earth Terminal: For shielding and safety grounding
6. Installation & Setup
Requirements:
- 12–24 VDC power supply
- Type K thermocouple sensor
- RS485 network connection to host controller or PC
Mounting Options:
- Standard 35 mm DIN rail mounting inside control cabinets
- Panel mounting using screws or brackets
Installation Steps:
1. Mount the C1322 securely on the DIN rail or panel.
2. Connect the thermocouple leads to the designated input terminals, observing polarity.
3. Connect the RS485 A/B lines to the communication bus, ensuring proper termination at both ends of the network.
4. Connect the power supply to the +VDC and GND terminals.
5. Verify grounding and shielding connections to minimize noise.
6. Power on the device and check LED indicators for normal operation.
Configuration:
- Communication parameters (baud rate, address, parity) can be set via DIP switches or serial commands (depending on model variant).
- Temperature units (°C/°F) and scaling may be configurable through ASCII commands.
- Calibration or offset adjustments can be performed using the communication interface.
7. Performance & Capabilities
Speed:
- Conversion and transmission cycle typically <500 ms per measurement.
- Suitable for real-time monitoring and control applications requiring moderate update rates.
Capacity:
- Single-channel thermocouple input per module.
- Multiple modules can be networked via RS485 for multi-point temperature acquisition.
Efficiency:
- Low power consumption (<1 W) enables dense installation in distributed systems.
- High-resolution 15-bit ADC ensures precise temperature readings with minimal noise.
Limitations:
- Designed specifically for Type K thermocouples; other thermocouple types require different models.
- Not intended for direct connection to high-voltage or non-isolated circuits.
- Requires proper shielding and grounding for optimal performance in high-EMI environments.
Reliability:
- Long-term stability with minimal drift due to high-quality components and isolation design.
- Robust communication over long distances (up to 1200 m typical for RS485).
8. Standards & Compliance
Certifications and Compliance:
- CE conformity (EMC and Low Voltage Directive compliance)
- RoHS compliant (Restriction of Hazardous Substances)
- EN 61326-1: Electrical equipment for measurement, control, and laboratory use – EMC requirements
- EN 61010-1: Safety requirements for electrical equipment for measurement and control
- ISO 9001 manufacturing quality standards (typical for industrial instrumentation)
Industry Standards:
- RS485 (EIA/TIA-485-A) communication standard
- ASCII serial data format for interoperability with standard industrial controllers
- Type K thermocouple standard per IEC 60584-1
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation, wiring diagrams, and communication protocol guides available from manufacturer.
- Customer support via email or phone for configuration and troubleshooting assistance.
Maintenance:
- Periodic inspection of wiring and terminal connections recommended.
- Calibration verification may be performed annually or as required by process standards.
- Clean housing with dry cloth; avoid solvents or moisture ingress.
Firmware & Updates:
- ASCII communication firmware may support updates via serial interface (depending on model revision).
- Configuration parameters can be backed up and restored through host software.
Service Life:
- Designed for long-term operation (>10 years typical) under normal industrial conditions.
Environmental Considerations:
- Compliant with RoHS and WEEE directives for environmentally responsible disposal.
- Low energy consumption contributes to sustainable system design.
### Summary
The C1322 Thermoelement K Eingang isoliert, 15Bit, RS485 is a precision thermocouple input module engineered for industrial temperature measurement and control applications. It combines high-resolution 15-bit conversion, galvanic isolation, and robust RS485 ASCII communication in a compact, reliable package. Its design ensures accurate, interference-free temperature data acquisition from Type K thermocouples, making it ideal for integration into distributed control systems, process automation, and monitoring networks.
With its combination of electrical isolation, flexible communication, and industrial durability, the C1322 provides a dependable interface between analog temperature sensors and digital control systems, ensuring consistent performance, safety, and ease of integration across a wide range of industrial environments.
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