• Honeywell 8U-TDILA1
  • Honeywell 8U-TDILA1
  • Honeywell 8U-TDILA1
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Honeywell 8U-TDILA1 Digital Input IOTA Module

Honeywell 8U-TDILA1 Digital Input IOTA Module

Description

The Honeywell 8U-TDILA1 is a 32-channel digital input IOTA (Input/Output Termination Assembly) module engineered for high-density signal acquisition in industrial control and safety systems. Designed for seamless integration into distributed...

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SKU: 8U-TDILA1
Vendor: Honeywell
Category: Digital Input Module
Related Series:

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Description

The Honeywell 8U-TDILA1 is a 32-channel digital input IOTA (Input/Output Termination Assembly) module engineered for high-density signal acquisition in industrial control and safety systems. Designed for seamless integration into distributed control architectures, this module facilitates the direct connection of field devices such as switches, sensors, and pulse generators to Honeywell I/O systems. Its robust design, featuring optical isolation and high channel density, ensures signal integrity in electrically noisy environments while simplifying cabinet wiring.

Features

  • 32 high-density digital input channels.
  • Optical isolation (IOM-based) for superior noise immunity and signal stability.
  • Supports hot removal and insertion (RIUP) to minimize system downtime during maintenance.
  • Integrated pulse accumulation capability (0 to 1 kHz).
  • Galvanic isolation rated at 1000 VAC RMS between system and field.

Applications

The 8U-TDILA1 is widely utilized in critical process industries, including power generation, oil and gas, refining, and large-scale manufacturing. It is ideal for applications requiring high-speed digital signal monitoring and reliable field device interfacing within complex distributed control systems.

Technical Specifications

Model 8U-TDILA1
Channels 32
Rated Voltage 24 VDC
Field Power Range 18 to 30 VDC
Current Consumption 105 mA
Input Impedance 4.2 kOhm
ON Threshold 13 VDC min or 3 mA min
OFF Threshold 5 VDC max or 1.2 mA max
Pulse Frequency 0 to 1 kHz (min 30% duty cycle)
Scan Time 300 us
Signal Delay 5 ms +/- 20%
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 85 deg C

Installation Guidelines

  • Ensure the control system is powered down before initial installation or when performing maintenance, unless the specific system configuration explicitly supports hot-swapping in the current state.
  • Use shielded cabling for field inputs to minimize EMI/RFI interference in industrial environments.
  • Verify that field power supply voltage remains within the 18 to 30 VDC range to prevent module damage or erratic signal behavior.
  • Ensure proper grounding of the IOTA assembly to the cabinet chassis to maintain galvanic isolation integrity.
  • Handle the module using ESD-safe practices to prevent damage to internal electronic components.

FAQ

Is the 8U-TDILA1 compatible with all Honeywell I/O systems?

The 8U-TDILA1 is designed for specific Honeywell distributed control architectures. Please verify your system's hardware compatibility list or consult your existing I/O documentation before installation.

Does this module require an external power supply?

Yes, the module requires a user-supplied field power source within the 18 to 30 VDC range to operate the input channels.