Skip to content

What are you looking for?


You may also like

8U-TDODB1 | Honeywell Series 8 Digital Output Module8U-TDODB1 | Honeywell Series 8 Digital Output Module8U-TDODB1 | Honeywell Series 8 Digital Output Module
8U-TDODB1 | Honeywell Series 8 Digital Output Module
8U-TDODB1 | Honeywell Series 8 Digital Output Module
8U-TDODB1 | Honeywell Series 8 Digital Output Module

8U-TDODB1 | Honeywell Series 8 Digital Output Module


Only 10 left - Selling fast

PRODUCT SKU : 8U-TDODB1

PRODUCT TYPE : Digital Output Modules

PRODUCT VENDOR : Honeywell


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

The Honeywell 8U-TDODB1, also cataloged as the 8U-TDODB1 Digital Output Module, operates as a dedicated hardware component for multi-channel discrete signal driving within Honeywell Experion PKS platforms.

Hardware Specifications

Parameter Specification
Model 8U-TDODB1
Brand Honeywell
Origin USA
Operating Temp 0 deg C to 60 deg C (32 deg F to 140 deg F)
Power Consumption Not specified
Output Channels 32 channels
Output Voltage Rating 24 VDC
Maximum Load Current 105 mA per channel
Storage Temperature -40 deg C to 85 deg C (-40 deg F to 185 deg F)

4-20 mA HART Loop Protocol & Channel-to-Channel Isolation

The module provides 32 high-density discrete output channels rated at 24 VDC, capable of driving up to 105 mA per channel for relay coils, solenoids, and field indicators. Galvanic channel-to-channel isolation prevents transient voltage spikes, ground potential shifts, and inductive switching noise on field wiring loops from propagating to the central controller backplane. The output stage features integrated current-limiting and short-circuit protection to maintain signal integrity across individual channels during field fault events.

Frequently Asked Questions

Q: What is the maximum output current capacity per channel for the 8U-TDODB1?

A: Each individual output channel supports a maximum load current of 105 mA at 24 VDC.

Q: How does the module isolate backplane logic from field-side switching transients?

A: Internal galvanic channel-to-system isolation barriers suppress inductive voltage spikes and block circulating ground currents between field circuits and system electronics.

Q: What temperature limits apply during module storage and transport?

A: The hardware is rated for non-operating storage across ambient temperatures ranging from -40 deg C to 85 deg C.

Field Installation Guidelines

  1. Disconnect backplane power to the Experion PKS carrier baseplate prior to inserting or removing the 8U-TDODB1 module.
  2. Observe standard electrostatic discharge (ESD) procedures, including wearing a grounded wrist strap when handling the card assembly.
  3. Align the module card edge with the targeted I/O slot on the baseplate and apply firm pressure until side retention latches click into place.
  4. Route discrete output field wiring in separate wire ways isolated from high-voltage AC circuits to prevent cross-talk and electromagnetic interference.
  5. Ground cable shields at a single dedicated cabinet earth bus bar to eliminate ground loop currents.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation

Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation

Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.

Read more
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration

Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration

Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.

Read more
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety

Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety

Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.

Read more