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Honeywell CC-TDOB01 Experion Series C 32-Channel Bussed Digital Output IOTA

The CC-TDOB01 provides robust, compact field termination for high-density discrete outputs within Honeywell's Experion Process Knowledge System (PKS).Mating seamlessly with the CC-PDOB01 output module, it distributes 24 VDC power across 32 individual channels via a shared internal bus structure. To maximize plant runtime, each channel features an independent overcurrent monitoring loop. When an external short-circuit or fault occurs, the board isolates only the compromised point, triggers a dedicated alarm, and leaves the remaining 31 channels completely unaffected and operational.

Model Technical Specifications & Details：

Technical Parameters:

Part Number: 51308371-175 / 51306515-100
Total Available Channels: 32 Output Points
Output Interface Configuration: Bussed 24 VDC (Common Return Architecture)
Nominal Operating Voltage: 24 V DC
Maximum Continuous Load Current: 0.5 A per channel
Overcurrent Protective Threshold: Automatic shutdown activated above 0.5 A
Galvanic Base Isolation: 1500 V AC between field terminal array and internal processing logic
Maximum Total Board Capacity: 16 A aggregate throughput
Physical Footprint Profile: Standard Series C 6-inch IOTA carrier mounting

Key Features & Advantages:

Per-point short-circuit tracking instantly transitions a tripped channel into Manual mode to prevent broad hardware down-time.
Generates localized "Over-current Soft Failure" alerts directly within the Experion PKS diagnostic environment.
Heavy-gauge screw terminals allow reliable termination of multi-core field cables up to 12 AWG.

Applications:

Driving high-density matrix display indicator panels in centralized marshalling hubs.
Command signaling for interlocked low-voltage motor control center (MCC) starter coils.
Sequencing large arrays of 24V solenoid-actuated pneumatic process valves.

CC-TDOB01

Application Areas：

Petrochemical Plants & Refineries: Execution of safety-interlock logic, block valve routing, and automated isolation valve arrays.
Automated Material Handling: Command distribution for continuous conveyor tracks, sortation gates, and safety warning sirens.
Water & Wastewater Treatment: Managing discrete status inputs and sequencing backwash pumps, aerators, and chemical storage isolation gates.
Pharmaceutical Batch Processing: Actuating multi-port product distribution manifolds and clean-in-place (CIP) system flush valves.

FAQ：

Q: How does the CC-TDOB01 react when a direct short-circuit occurs on a single field solenoid?

A: The internal circuitry detects the overcurrent condition instantly and shuts down only that specific output.The affected point drops into Manual mode and throws an "Over-current Soft Failure" alarm in Experion. All other 31 channels continue operating without interruption.

Q: Can this IOTA be configured to handle dry contact relay operations directly?

A: No. The CC-TDOB01 provides active 24 VDC bussed power directly down the line to drive loads. If your application calls for dry contacts (SPDT/Form C), you must deploy the Honeywell CC-TDOR01 or CC-TDOR11 relay output IOTA variants instead.

Q: Is there an onboard thermal alarm integrated into the hardware assembly?

A: Yes. If an external field fault draws excessive current, a secondary thermal alarm triggers when the localized short circuit profile exceeds 0.5A, providing an extra tier of physical board protection.

Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

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Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.