CC-TDOB01 51308371-175 32-channel digital output module
The CC-TDOB01 (P/N: 51308371-175) is a 32-channel, 24VDC digital output module manufactured by Honeywell, primarily designed for the Experion® Process Knowledge System (PKS) Series C control platform. Classified as a Digital Output – Bussed 24VDC IOTA (Isolated Output Termination Assembly), it serves as a vital interface between the control system and field-actuated devices.
This module converts control system digital commands into robust, isolated 24V switching signals to drive industrial equipment. It features advanced built-in diagnostics, fuse-less short-circuit protection, and configurable fail-safe (FAILOPT) behavior, ensuring high reliability and system integrity in demanding industrial environments.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | CC-TDOB01 (51308371-175) |
| Product Type | 24VDC Bussed Digital Output Module |
| Number of Channels | 32 discrete output channels |
| Output Type | Solid-state, sourcing (PNP) 24VDC |
| Output Voltage | 24 VDC (nominal) |
| Per Channel Current | 0.5A (500mA) maximum |
| Switching Time | ≤ 10 ms (max ON/OFF delay) |
| Isolation | Channel-to-channel galvanic isolation: 1500V AC rms |
| Short-Circuit Protection | Fuse-less, per-channel electronic protection |
| Output Configuration | User-configurable: Direct/Reverse action |
| Fail-Safe Mode | FAILOPT: Configurable safe state (Last Value/Safe Value) |
| Operating Voltage | 24 VDC (system/field power) |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% RH, non-condensing |
| Mounting | Rack-mountable for Series C cabinets |
| Indicators | LED status indicators per channel |
| Certifications | CE, UL, RoHS |
| Weight | Approx. 0.5 kg |
| Key Features | High-density I/O, advanced diagnostics, hot-swappable, optional redundancy |
Primary Applications
- Oil & Gas: Control of solenoid valves, actuators, and alarm annunciation in refineries, pipelines, and offshore platforms.
- Petrochemical & Chemical: Interlock systems, burner management, and on/off control of process valves.
- Power Generation: Control of motor starters, auxiliary equipment, and boiler safety circuits.
- Pharmaceuticals & Food & Beverage: Regulatory-compliant discrete control for packaging and material handling.
- General Manufacturing: Conveyor systems, pump control, and other industrial automation actuators.
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