ABB CTI 21-P Ex 3BDH000741R1 16/32 Inputs Ex, Temp. Input, SW Versio CTI21PEx
ABB CTI 21-P Ex 3BDH000741R1 16/32 Inputs Ex, Temp. Input, SW Versio CTI21PEx
Model: CTI 21-P Ex
Order Code: 3BDH000741R1
Input Channels:
32 analog/temperature inputs (configurable in 2-conductor mode)
16 temperature inputs (configurable in 3/4-conductor mode) 67
Sensor Compatibility:
Freely configurable for NTC/PTC sensors or linear voltage measurement (0–6 V)
Types: U, L, T, J, E, K, R, S, B, N
Range: -50°C to +1820°C (e.g., K-type: -50°C to +1372°C; B-type: +50°C to +1820°C) 67
Pt100 (2/3/4-wire): -200°C to +850°C (DIN IEC 751)
Ni100 (2/3/4-wire): -60°C to +250°C (DIN 43760)
Resistance Thermometers:
Thermocouples:
Voltage/Resistance Inputs:
Measurement Accuracy:
±0.1% of measurement range end value
Temperature drift: ±0.1% per 10K temperature change 6
Input Characteristics:
Input Resistance: 10 MΩ (voltage inputs)
Excitation Current: 1.0 mA ±1.7% (software-corrected for resistance sensors) 6
Isolation & Safety:
Overvoltage protection up to 240 Vrms
Compliant with EEx ib IIC standards for hazardous areas 67
Channel-to-channel isolation via relay multiplexer
Central isolation through opto-coupler
Galvanic Isolation:
Protection:
Signal Processing:
16-bit A/D Converter for high-resolution measurements
Line Resistance Compensation: Automatic adjustment for long sensor cables
Cold Junction Compensation: Integrated for thermocouples 7
Redundancy Support: Module supports redundant configurations for critical applications.
Diagnostics: Real-time monitoring for line breaks, sensor faults, and module health.
Flexibility:
Linearization of non-standard sensor characteristics.
Configurable damping for noise suppression (50/60 Hz).
Environmental Robustness:
Operating Temperature: -40°C to +85°C
Designed for industrial environments (vibration, dust, humidity resistant) 67
Standards: DIN IEC 751, DIN 43760, DIN EN 60584-1
Hazardous Area Certification: EEx ib IIC (suitable for Zone 2 installations)
EMC Compliance: Meets European EMC Directive requirements 613
Industrial process control systems
Power generation monitoring
Hazardous area installations (e.g., oil & gas, chemical plants)
Redundant temperature measurement in critical machinery
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Pre-Planning:
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Shutdown Procedures:
Disconnection:
Removal of Existing Equipment:
Installation of New Equipment:
Testing and Commissioning:
Documentation:
Training:
Startup:
Throughout the process, it’s important to work closely with a team that includes electrical engineers, technicians, and maintenance staff. Communication is key to a successful equipment replacement. Additionally, always adhere to local electrical codes and standards to ensure compliance and safety. If the task is beyond the expertise of in-house staff, consider hiring a professional contractor experienced in industrial electrical work.
Obtaining industrial automation programming software typically involves the following steps:
Identify Your Needs:
Research Software Options:
Contact Equipment Manufacturers:
Purchase or Download:
Academic or Evaluation Versions:
Open Source Options:
Licensing:
Training and Support:
Legal and Compliance:
Installation and Setup:
Here are some common ways to obtain industrial automation programming software:
Remember to keep your software updated to benefit from the latest features and security patches. Also, ensure that you have the necessary backup and recovery procedures in place to protect your programming work.
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