The Honeywell TK-IAH061 is a high-performance analog input module designed for the Experion PKS Series C I/O system. This 16-channel module is specifically engineered to interface with 4-20 mA field devices and is fully HART-enabled, allowing for the pass-through of secondary digital diagnostic data from smart transmitters to the control system. With its robust design and G3 conformal coating, it is built for long-term reliability in demanding process environments.

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Product Specifications

 

Operational Precautions

• Module Seating: Always align the module carefully with the IOTA (Input Output Termination Assembly) guide pins. Forcing the module onto a misaligned backplane can result in bent pins and intermittent communication errors.
• HART Communication: Ensure that the field device loop impedance (typically 250 ohms) is correctly maintained. If the resistance is too low, the HART digital signal may be dampened, preventing the system from reading device diagnostics.
• Redundancy Configuration: If using this module in a redundant pair, ensure the redundancy cable is securely connected between the two IOTAs. Both modules must have identical firmware versions to ensure a seamless failover.
• Field Wiring: Use shielded twisted-pair cables for all analog loops. The shield should be grounded only at the IOTA end to prevent ground loops that could introduce noise into the 16-bit analog-to-digital conversion process.

FAQ (Questions & Answers)

Q: What is the difference between the TK-IAH161 and the TK-IAH061? A: Both are 16-channel HART modules for Series C. However, the TK-IAH161 (51403479-175) is the more common current-generation version, while the TK-IAH061 may refer to specific hardware revisions or regional variations. Always verify the 8-digit part number on your existing hardware.

Q: Does this module provide power to the field transmitters? A: Yes, when used with the appropriate IOTA, the TK-IAH061 can provide 24V DC loop power to two-wire transmitters, or it can be configured to receive signals from self-powered four-wire transmitters.

Q: Can I replace a non-HART module with the TK-IAH061? A: Generally, yes. The TK-IAH061 is backward compatible with standard 4-20 mA signals. You will simply gain the additional capability to read HART data if your field instruments support it.

 

Similar Honeywell Series C Models

1. TK-IAH161 (51403479-175): Standard 16-channel HART Analog Input Module.
2. TK-OAH061 (51403477-150): 16-channel HART Analog Output Module.
3. TK-PAIX01 (51405038-175): High-Level Analog Input Module (Non-HART).
4. TK-IIDL11 (51403474-150): 32-channel Digital Input Module (24V DC).
5. TK-FTEB01 (51309512-175): Fault Tolerant Ethernet Bridge for C300 connectivity.