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Description
The Honeywell 8C-TAIMA1 (51307171-175) is a low-level analog input IOTA module designed for the Experion LX distributed control system. This module is engineered for high-precision temperature measurement, supporting both Thermocouple (TC) and Resistance Temperature Detector (RTD) inputs. It provides reliable signal processing for industrial temperature monitoring applications, featuring remote cold junction compensation and configurable Open Thermocouple Detection (OTD) protection.
Features
- Supports both TC and RTD sensor types for versatile temperature monitoring.
- Remote Cold Junction compensation capability for improved measurement accuracy.
- Configurable Open Thermocouple Detection (OTD) protection.
- Second PV scanning functionality.
- Scalable temperature point configuration in 16-point increments.
- High Common Mode Rejection Ratio (CMRR) of 120 dB at 50/60 Hz.
Applications
This module is specifically designed for integration into Honeywell Experion LX systems, primarily used in process industries requiring precise temperature tracking, such as chemical processing, power generation, and refining operations where TC and RTD sensors are deployed for critical process control.
Technical Specifications
| Product Model |
8C-TAIMA1 (51307171-175) |
| Voltage Rating |
24 VDC |
| Module Current Rating |
120 mA |
| Channel Bandwidth |
0 to 4.7 Hz (-3 dB) |
| TC Nominal Input Range |
-20 to +100 mV |
| Gain Error (-20 to +100 mV) |
0.050% full scale max |
| Input Impedance (TC) |
Megohm at DC |
| CMRR (50/60 Hz) |
120 dB min |
| Channel-to-Channel Isolation |
+/-33 VDC or VAC RMS |
| Channel-to-Shield Isolation |
+/-250 VDC or VAC RMS |
Installation Guidelines
- Ensure the system power is disconnected before installing or removing the IOTA module to prevent electrical damage.
- Mount the module in a clean, dry environment within the specified temperature range to ensure longevity.
- Use shielded cabling for all analog input signals to minimize electromagnetic interference (EMI).
- Ensure proper grounding of the module shield terminals to the system common ground to maintain the integrity of low-level signals.
- Verify that the input wiring matches the configuration for TC or RTD sensors to prevent measurement errors or hardware damage.
- Handle with standard ESD precautions to protect sensitive internal circuitry.
FAQ
What type of sensors does the 8C-TAIMA1 support?
This module supports both Thermocouple (TC) and Resistance Temperature Detector (RTD) sensors, making it suitable for a wide range of industrial temperature sensing applications.
What is the primary function of the OTD protection?
The Open Thermocouple Detection (OTD) protection is a configurable feature that identifies if a thermocouple circuit has been broken, allowing the control system to react appropriately to a loss of signal.
