• Honeywell 8U-TDILB1
  • Honeywell 8U-TDILB1
  • Honeywell 8U-TDILB1
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Honeywell 8U-TDILB1 32-Channel Digital Input IOTA Module

Honeywell 8U-TDILB1 32-Channel Digital Input IOTA Module

Description

The Honeywell 8U-TDILB1 is a high-density 32-channel digital input IOTA module designed for precision signal acquisition within distributed control systems. This module is engineered to provide reliable discrete signal monitoring...

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SKU: 8U-TDILB1
Proveedora: Honeywell
tipo: Digital Input Module
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Description

The Honeywell 8U-TDILB1 is a high-density 32-channel digital input IOTA module designed for precision signal acquisition within distributed control systems. This module is engineered to provide reliable discrete signal monitoring for critical process automation, including power generation and refining applications. It features advanced Sequence of Events (SOE) capabilities, allowing for state change detection with 1 ms resolution, which is essential for detailed fault diagnostics and event reconstruction.

Features

  • 32 optically isolated digital input channels for robust noise immunity.
  • Dual-mode scanning: Supports 20 ms standard polling and 5 ms fast acquisition for time-critical monitoring.
  • High-resolution SOE: 1 ms timestamping for accurate event logging.
  • Hot-swappable design: Enables module replacement under power to maximize system uptime.
  • Galvanic isolation: Rated for 1000 VAC RMS or +/- 1000 VDC to protect system electronics.

Applications

This module is typically deployed in industrial environments requiring high-speed, deterministic signal processing. Common applications include emergency shutdown systems, process monitoring, and sequence-of-events recording in continuous manufacturing and utility plants.

Technical Specifications

Model 8U-TDILB1
Input Channels 32
Input Voltage 24 VDC
Voltage Range 18 to 30 VDC
Input Impedance 4.2 kohm
ON Sense Threshold 13 VDC min / 3 mA min
OFF Sense Threshold 5 VDC max / 1.2 mA max
Scanning Time 20 ms (normal) / 5 ms (fast)
SOE Resolution 1 ms
Isolation 1000 VAC RMS / +/- 1000 VDC
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 85 deg C

Installation Guidelines

  • Ensure the system power is managed according to site safety protocols before module insertion or removal.
  • The module supports hot-swapping; ensure the IOTA is properly seated in the backplane to maintain electrical contact.
  • Use shielded cabling for field inputs to minimize electromagnetic interference in high-noise environments.
  • Verify that field signal levels remain within the 18-30 VDC range to ensure reliable state detection.
  • Maintain proper ventilation in the cabinet to ensure the module operates within the 0 to 60 deg C range.

FAQ

Does the 8U-TDILB1 support hot swapping? Yes, this module is designed for hot insertion and removal under power, allowing for maintenance without shutting down the entire control system.

What is the SOE resolution of this module? The module provides a Sequence of Events (SOE) resolution of 1 ms, enabling precise timing of state changes.

What is the primary input voltage for this module? The module is designed for 24 VDC field signals, with an operating range of 18 to 30 VDC.