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
- Ensure the backplane slot guide rails are free from debris before inserting the module into the rack chassis.
- Push the module firmly into the slot until the backplane connector fully seats and locking tabs engage.
- Secure field wiring to the corresponding terminal block according to the system channel assignment diagram.
- Separate digital input field cabling from high-voltage AC distribution conductors inside panel wireways.
- 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.





























