Product Details
The Honeywell DC-TDIL61, also cataloged as the DC-TDIL61 Digital Input IOTA Redundant, operates as a dedicated hardware component for discrete field signal processing and redundant backplane routing within Honeywell Experion PKS Series C systems. Designed to accept 32 digital input channels operating at 24 VDC, the unit processes real-time discrete signals with a response time under 1 millisecond. The 12-inch rack-mounted Input Output Termination Assembly (IOTA) features 1500 V AC channel-to-system isolation, establishing galvanic separation between field instrument wiring and internal Series C controller electronics.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DC-TDIL61 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.50 kg |
| Dimensions | 10.8 cm x 8.7 cm x 7.8 cm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Passive field termination interface |
| Channel Capacity | 32 Digital Inputs |
| Input Voltage | 24 VDC |
| Response Time | Less than 1 ms |
| Isolation | 1500 V AC channel-to-system |
| Humidity Range | 5% to 95%, non-condensing |
| Mounting Type | Rack-mounted (12-inch IOTA footprint) |
| System Platform | Honeywell Experion PKS Series C |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation
The DC-TDIL61 utilizes an isolated circuit architecture providing 1500 V AC channel-to-system protection across all 32 discrete input paths. When deployed in mixed I/O racks alongside 4-20 mA HART loop protocol analog cards, the internal isolation barrier blocks ground potential shifts and high-frequency noise transients. This isolation profile suppresses noise propagation into adjacent analog buses, preserving channel-to-channel isolation specs across field loops and preventing data corruption in central controller registers.
Frequently Asked Questions
Q: Can an active digital input card be hot-swapped on the DC-TDIL61 assembly without interrupting 24 VDC field wiring?
A: Yes, the redundant 12-inch IOTA architecture allows individual Series C digital input modules to be unseated and replaced during live system operation without disconnecting field terminal connections or interrupting the secondary redundant signal path.
Q: How does the sub-millisecond response time impact field signal scanning across the 32 input channels?
A: The sub-1 millisecond response time enables immediate hardware-level signal latching, allowing fast discrete state transitions to be registered without software scan delay or debouncing lag.
Field Installation Guidelines
- Mount the 12-inch DC-TDIL61 IOTA base assembly onto the Series C cabinet carrier rail using the integrated hardware mounting points.
- Terminate all 24 VDC field input conductors to their respective screw terminals, verifying polarity across all 32 channels.
- Connect field cable shielding to the designated cabinet grounding bus bar at a single termination point to prevent ground loops.
- Align the primary and secondary Series C digital input modules with the IOTA interface connectors and push firmly until the side locking levers engage.
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.
Tech & Buying Guide
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