HONEYWELL CC-TDOB11 Redundant Digital Output 24V IOTA Block

Description

Key Technical Specifications

Product Introduction & Supply Chain Strategy

The Honeywell CC-TDOB11 is a 32-channel redundant Digital Output I/O Termination Assembly (IOTA) designed for high-availability discrete control loops in the Experion PKS Series C architecture. Featuring dual card slots, it accommodates two identical Digital Output cards (such as CC-PDOB01) operating in an active/standby fault-tolerant pair. The CC-TDOB11 routes command signals to final control elements—such as solenoids, interlock relays, indicator lamps, and motor starters—ensuring uninterrupted control output even if a primary output card fails.

Securing the CC-TDOB11 as New Surplus inventory delivers immediate operational protection and avoids extended OEM 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 termination bases eliminates the risks of damaged terminal blocks, loose card sockets, and trace degradation. Holding a verified New Surplus CC-TDOB11 on-site ensures your plant maintains high-availability control over critical discrete actuators during routine maintenance or unexpected field faults.

CC-TDOB11

CC-TDOB11

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. Put on an ESD anti-static wrist strap attached to an unpainted ground point before handling the IOTA base plate.
3. Review field wiring schedules to confirm terminal assignments for all 32 discrete output loops and external load power feeds.

Stage 2: Removal

1. Loosen top and bottom retaining screws on both mounted Digital Output modules (e.g., dual CC-PDOB01 cards) and pull them clear of the sockets.
2. Disconnect field actuator wiring from the screw terminal blocks, carefully recording wire tags and polarities.
3. Unlatch the DIN rail retention clips or carrier frame mounting hardware, then slide the CC-TDOB11 base off the frame.

Stage 3: Installation (Clone & Seat)

1. Remove the replacement New Surplus CC-TDOB11 base assembly from its anti-static packaging.
2. Snap the CC- firmly onto the DIN rail or carrier track and tighten all mounting screws securely.
3. Reattach discrete actuator wires to their designated screw terminals (+ and −/Common) and torque terminal screws to 0.5 Nm.

Stage 4: Power-On & Testing

1. Align primary and secondary Digital Output cards with the socket guide rails, press firmly until fully seated, and tighten faceplate retaining screws.
2. Restore dual 24 VDC power feeds to the carrier assembly. Confirm that power status indicators illuminate correctly.
3. Open Honeywell Control Builder to verify that the C300 controller recognizes both primary and secondary modules, redundant health checks pass, and test outputs actuate field devices as commanded.

Firmware/Software Versions & Upgrade Notes

• Passive Base Architecture: The CC- is a physical termination assembly containing no microprocessors or programmable firmware. Compatibility is governed entirely by the active Digital Output cards mounted on it (e.g., CC-PDOB01).
• Redundant Configuration: Designed specifically to support dual-card fault-tolerant operation. For single-card, non-redundant installations, select the standard single IOTA variant (CC-TDOB01).
• Conformal Coating Variant: The CC- is the standard non-coated version. For harsh environments requiring ISA-S71.04 Class G3 protection, select the conformal-coated redundant variant (CC-TDOB61).
• Module Keying: Built exclusively for 32-channel 24 VDC Digital Output cards. Physical slot keying prevents accidental insertion of Analog or Input modules.

Frequently Asked Questions (FAQ)

Q: This base is offered as New Surplus. How can I confirm it is not used 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 expansion projects, plant spare holds, and official distributor surpluses. Every unit features pristine screw terminals, clean circuit tracks, factory serial tags, and zero operating hours.

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 multi-week factory lead times while eliminating the risks of stripped screw threads and intermittent socket contacts common in second-hand parts.

Q: Can I replace one of the Digital Output modules on the CC- while the system is under power?

A: Yes. The CC- supports Removal and Insertion Under Power (RIUP) for active cards. You can safely swap a faulty Digital Output card in slot A while the partner card in slot B continues driving discrete outputs without disrupting process logic.

Q: What is the main difference between CC- and CC-TDOB61?

A: Both assemblies feature identical 32-channel redundant screw terminal configurations and physical mounting dimensions. The difference lies in environmental protection: CC-TDOB61 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 provide with this module?

A: We supply a full 1-Year functional replacement warranty with every CC- assembly. Prior to dispatch, each base plate undergoes terminal block mechanical checks, ground continuity testing, and pin-to-pin insulation resistance tests to ensure plug-and-play field readiness.