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Honeywell DC-TPOX01 51307770-176 Digital Input ModuleHoneywell DC-TPOX01 51307770-176 Digital Input ModuleHoneywell DC-TPOX01 51307770-176 Digital Input Module
Honeywell DC-TPOX01 51307770-176 Digital Input Module
Honeywell DC-TPOX01 51307770-176 Digital Input Module
Honeywell DC-TPOX01 51307770-176 Digital Input Module

Honeywell DC-TPOX01 51307770-176 Digital Input Module


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PRODUCT SKU : DC-TPOX01 51307770-176

PRODUCT TYPE : Digital Input Modules

PRODUCT VENDOR : Honeywell


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

Product Details

The Honeywell DC-TPOX01 51307770-176, also cataloged as the DC-TPOX01 Digital Input Module, operates as a dedicated hardware component for discrete field signal processing within Experion PKS platforms.

Hardware Specifications

Parameter Specification
Model DC-TPOX01 (51307770-176)
Brand Honeywell
Origin USA
Weight 0.8 kg
Dimensions 12.7 cm x 12.7 cm x 12.7 cm
Operating Temp 0 to 60 deg C
Power Consumption Standard backplane power allocation
Part Number 51307770-176
Input Type Discrete Digital Input

Channel-to-Channel Isolation & Process Control Integration

The module isolates incoming field dry contacts and DC voltage states from internal logic circuits using optocoupled signal paths. Channel-to-channel isolation limits ground loop currents and transient noise interference from disturbing adjacent analog lines, including 4-20 mA HART loop wiring routes inside control cabinets. Signal filtering on each discrete input channel stabilizes binary state detection, preventing contact bounce from sending invalid field data to the central I/O bus.

Frequently Asked Questions

Q: Does the DC-TPOX01 module support live insertion into an energized I/O rack?

A: Yes, physical hot-swap removal and insertion are supported on active backplanes, provided the field terminal block is unlatched or system maintenance conditions are met.

Q: How are channel signal states isolated from backplane control logic?

A: Individual channels utilize optical isolation barriers to separate external field wiring voltages from sensitive internal processing buses.

Q: What grounding procedure should be implemented for input cable shields?

A: Connect field wiring shields directly to the designated cabinet earth grounding bar at one end to suppress electromagnetic interference and prevent ground loop paths.

Field Installation Guidelines

  1. Ensure the backplane slot guide rails are free from debris before inserting the module into the rack chassis.
  2. Push the module firmly into the slot until the backplane connector fully seats and locking tabs engage.
  3. Secure field wiring to the corresponding terminal block according to the system channel assignment diagram.
  4. Separate digital input field cabling from high-voltage AC distribution conductors inside panel wireways.
  5. Apply power to the I/O rack and verify that the module status LED indicates an active operational state.

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.




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