Description
Engineered for precise process variable monitoring, the Honeywell TC-IAH061 functions as a high-density analog input module within the Experion control platform. This module features six galvanically isolated channels designed to interface directly with field-side transmitters while maintaining signal integrity and protecting the control-side system electronics from ground loops and electrical noise.
The TC-IAH061 is designed for high-availability systems, incorporating built-in open-circuit detection mechanisms that dynamically respond to loop failures with configurable upscale or zero-scale fault behaviors. With a rapid channel update rate and robust radio frequency interference (RFI) shielding, this input module ensures dependable signal acquisition under demanding thermal and electrical conditions inside industrial control enclosures.
Features
- Six fully galvanically isolated input channels for enhanced electrical isolation between field circuits and system logic.
- Integrated open-circuit diagnostic capabilities with upscale reaction for voltage configurations and zero-scale reaction for current loops.
- Fast channel conversion rates with a 25 ms module update rate across all active inputs.
- High-performance RF shielding to protect input measurements against electromagnetic interference.
- Low-power dissipation architecture to minimize heat generation within compact marshalling cabinets.
Applications
- Oil and gas refinery process variable tracking
- Chemical processing plant automation and safety monitoring
- Power generation plant turbine and boiler instrumentation
- Water and wastewater treatment distribution monitoring
Technical Specifications
| Parameter |
Specification |
| Manufacturer |
Honeywell |
| Model / Part Number |
TC-IAH061 |
| Product Series |
Experion |
| Number of Channels |
6 galvanically isolated channels |
| Open Circuit Detection |
Upscale reading (Voltage); Zero scale reading (Current) |
| Typical OC Detection Time |
5 seconds (Voltage); 1 second (Current) |
| Channel Bandwidth |
0 to 15 Hz (-3 dB) |
| RFI Immunity |
Error of less than 2.0% of range at 10 V/m (27 to 1000 MHz) |
| Power Dissipation |
4.3 W maximum |
| Compatible Terminal Block |
TC-TBNH (20-position terminal block) |
| Module Update Rate |
25 ms (all channels) |
| Shipping Weight |
2.5 kg |
Connections and Interfaces
| Interface Type |
Specification / Mapping |
| Connection Terminal Block |
TC-TBNH |
| Terminal Positions |
20-position screw terminal connection block |
Installation Guidelines
Ensure that all system power is completely isolated before attempting to insert or extract the TC-IAH061 module from the chassis. Align the module housing carefully with the card guides and slide it firmly into the slot until the connectors are fully seated. Secure the 20-position TC-TBNH terminal block to the front interface. To ensure compliance with RFI immunity specifications, all analog signal wiring must use shielded twisted-pair cabling, with shields properly terminated at the cabinet entry ground point.