HONEYWELL CC-TDIL11 Redundant Digital Input 24V IOTA Block

Description

Key Technical Specifications

Product Introduction & Supply Chain Strategy

The Honeywell CC-TDIL11 is a 32-channel redundant Digital Input I/O Termination Assembly (IOTA) engineered for high-reliability discrete monitoring loops in the Experion PKS Series C architecture. Equipped with dual mounting slots, it accepts two identical Digital Input modules (such as CC-PDIL01) running in a fault-tolerant, active/standby pair. The CC-TDIL11 distributes incoming field contact signals—such as limit switches, pushbuttons, and auxiliary relay contacts—simultaneously to both modules, ensuring seamless switchover without signal disruption across critical oil & gas, power generation, and manufacturing operations.

Securing the CC-TDIL11 as New Surplus inventory provides immediate operational security and avoids extended OEM manufacturing lead times. This product is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability. Avoiding pre-owned or rebuilt base assemblies prevents broken terminal strips, loose socket contacts, and trace degradation. Keeping a verified New Surplus CC-TDIL11 on-site ensures your facility maintains uninterrupted high-availability discrete monitoring during field wiring faults or cabinet maintenance.

CC-TDIL11

CC-TDIL11

Installation & Configuration Guide

Stage 1: Pre-Installation (Prep & Safety)

1. Execute full Lock-Out/Tag-Out (LOTO) on both incoming 24 VDC power feeds supplying the targeted Series C carrier rack.
2. Ground yourself using an ESD wrist strap connected to an unpainted chassis ground point before handling the IOTA.
3. Review field wiring schedules and wire marker tags to ensure proper channel-to-terminal matching.

Stage 2: Removal

1. Loosen the top and bottom retaining screws on both mounted Digital Input modules (e.g., dual CC-PDIL01 cards) and pull them straight out of the CC-TDIL11 sockets.
2. Disconnect field contact wiring from the screw terminal blocks, carefully marking wire numbers and polarities.
3. Release the DIN rail retention clips or carrier frame fasteners, then remove the CC-TDIL11 base from the rail.

Stage 3: Installation (Clone & Seat)

1. Remove the replacement New Surplus CC- base plate from its protective anti-static bag.
2. Snap the assembly firmly onto the DIN rail or carrier frame, securing all mounting screws.
3. Reattach discrete field input wires to their designated screw terminals (+ and −/Common) and torque screws to 0.5 Nm.

Stage 4: Power-On & Testing

1. Align primary and secondary Digital Input modules with the card socket guide tracks, press firmly until seated, and tighten faceplate retaining screws.
2. Restore dual 24 VDC power feeds to the carrier assembly and observe power status LEDs during initialization.
3. Open Honeywell Control Builder to confirm that the C300 controller recognizes both primary and secondary modules, redundant health checks pass, and discrete field inputs update accurately.

Firmware/Software Versions & Upgrade Notes

• Passive Carrier Architecture: The CC- is a passive termination base containing no onboard microprocessors or firmware. System compatibility depends on the active Digital Input cards mounted to it (e.g., CC-PDIL01).
• Redundant Configuration: Built specifically to accommodate dual-card fault-tolerant operation. If single-card, non-redundant operation is required, select the standard single IOTA variant (CC-TDIL01).
• Conformal Coating Variant: The CC- is the standard non-coated version. For corrosive processing environments requiring ISA-S71.04 Class G3 compliance, choose the conformal-coated variant (CC-TDIL61).
• Module Matching: Designed specifically for 32-channel 24 VDC Digital Input hardware. Physical keying prevents insertion of Analog or Output cards into the sockets.

Frequently Asked Questions (FAQ)

Q: This unit is listed as New Surplus. How can I be certain it is not pre-owned or refurbished?

A: This product is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability. Our stock is sourced directly from canceled construction projects, plant MRO spare holds, and official distributor surpluses. Every unit features pristine terminal contacts, clean circuit tracks, factory serial tags, and zero operational time.

Q: How does your pricing compare to buying factory-direct from Honeywell or an online broker?

A: Our pricing reflects the cost of securing genuine New Surplus inventory globally. It may be 20–30% higher than a refurbished gamble, but it is substantially less than OEM list prices, and it buys you 100% peace of mind. You avoid long factory lead times while eliminating the risks of cracked screw terminals and loose socket contacts common in used units.

Q: Can I hot-swap one of the Digital Input modules on the CC- while the system is running?

A: Yes. The CC- supports Removal and Insertion Under Power (RIUP) for active cards. You can replace a failed module in slot A while the standby module in slot B continues transferring discrete field signals without interrupting control logic.

Q: What is the main difference between CC- and CC-TDIL61?

A: Both assemblies share identical 32-channel redundant screw terminal layouts and physical mounting dimensions. The distinction is environmental protection: CC-TDIL61 features heavy-duty conformal coating for ISA Class G3 harsh environments, whereas CC- is non-coated for standard control rooms.

Q: What warranty and quality verification process do you offer with this module?

A: We back every CC- assembly with a full 1-Year functional replacement warranty. Before shipment, each base undergoes terminal block mechanical checks, ground continuity testing, and pin insulation verification to guarantee plug-and-play installation readiness.