Honeywell DC-TDOB01 Digital Output Module
Warranty: 1 year
Condition : brand new in factory sealed box
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Detail
- Product NameHoneywell DC-TDOB01 Digital Output Module
- Item NO.DC-TDOB01
- Weight1.0000 kg = 2.2046 lb = 35.2740 oz
- CategoryDCS
- BrandHoneywell
- Creation Time2025-02-19
- Digital Output Termination Assembly
- Series 8 I/O · Experion PKS
DC-TDOB01
Key Information
DC-TDOB01 is a Digital Output Termination Assembly (IOTA) from Honeywell's Series 8 I/O family, designed for the Experion PKS distributed control system. It provides a clean, organized interface between the digital output I/O module and field devices such as solenoid valves, relays, indicator lamps, and motor starters.
As a termination assembly, the DC-TDOB01 is the physical wiring interface that simplifies cabinet installation and maintenance. It allows the I/O module to be swapped without disturbing field wiring, significantly reducing downtime and wiring errors during commissioning and maintenance.
The module features clearly marked terminals with per-channel status LEDs for rapid troubleshooting, and supports the 24 VDC field power distribution typical of Honeywell Series 8 I/O installations.
- Digital output termination assembly
- Honeywell Series 8 I/O family
- 24 VDC field distribution
- Per‑channel LED status
- Module swaps without rewiring
Functions
Field termination & interfacing
- Digital output termination — Purpose-built to interface digital output channels from Honeywell Series 8 I/O modules to field devices including solenoid valves, relays, indicator lamps, and interposing relays.
- Clean wiring and labeling — Clearly marked terminals reduce wiring errors and accelerate loop checking during commissioning.
- I/O module hot‑swap support — Field wiring remains undisturbed when the I/O module is replaced, minimizing downtime.
Diagnostics & maintenance
- Per‑channel status LEDs — Visual indication helps technicians quickly identify tripped channels or wiring faults.
- Serviceable loop design — Technicians can isolate a single output, check the LED, and perform point‑to‑point verification without guessing.
- Robust industrial build — Designed for control rooms and MCC panels, handling the environmental conditions of standard DCS cabinets.
Specifications
Electrical specifications
| Manufacturer | Honeywell Process Solutions |
| Model | DC-TDOB01 |
| Part Number | 51307186-275 (associated) |
| Product type | Digital Output Termination Assembly (IOTA) |
| System compatibility | Experion PKS · Series 8 I/O |
| Output type | Digital output (sourcing/PNP with matching I/O module) |
| Output voltage | 24 VDC |
| Output current (per channel) | 0.5 A maximum |
| Output channels | 16 |
| Isolation | 1500 VAC isolation between channels and system |
| Response time | < 1 ms (solid‑state) / 10 ms (relay) |
Physical & environmental
| Mounting | DIN‑rail or carrier/IOTA |
| Operating temperature | -40°C to +70°C (industrial grade) |
| Storage temperature | -40°C to +85°C |
| Relative humidity | 5% – 95% RH (non‑condensing) |
| Protection rating | IP20 |
| Certifications | CE, UL, RoHS |
| Status indicators | LED per channel |
Installation
Proper installation of the DC-TDOB01 termination assembly ensures reliable digital output operation and simplifies field wiring.
Mounting & wiring guidelines
| Mounting position | Honeywell carrier/IOTA inside control cabinet |
| Field wiring | Screw or spring‑clamp terminals (per revision) |
| Power distribution | 24 VDC field power via cabinet/field distribution |
| Grounding | Low‑impedance cabinet ground per Honeywell bonding guidance |
| Load interfacing | For inductive loads, include flyback suppression or use interposing relays |
- Install the DC-TDOB01 in a clean, ventilated control cabinet (IP54/NEMA 12 or better) with ambient temperature within the specified operating range.
- Use correctly rated 24 VDC power supplies and segregate I/O from power cabling. Verify polarity for sourcing DOs.
- For inductive loads (solenoids, contactors), include flyback suppression diodes or use interposing relays as required by the application.
- Periodically inspect terminal tightness, clean dust, and verify channel operation during planned outages.
- When adding or replacing I/O hardware, confirm controller firmware compatibility.
Lifecycle
Active currently in production — fully supported
Product status: The DC-TDOB01 remains an active, supported product in Honeywell's Series 8 I/O portfolio. It is the recommended digital output termination assembly for new Experion PKS installations requiring discrete output capability.
Spare parts & support: Replacement units and accessories are available through Honeywell's standard support channels and authorized distributors. The Series 8 I/O family is designed for long‑term availability.
Replacement & migration:
- When migrating from older Honeywell I/O systems (e.g., Series C or TDC 3000), the DC-TDOB01 provides a modern termination interface with improved wiring clarity and reduced maintenance overhead.
- Ensure the matched Series 8 I/O module is compatible with the Experion PKS system release and controller firmware version.
- Field wiring can be reused with the DC-TDOB01, minimizing migration cost and downtime.
Recommendation: For new Experion PKS digital output applications, the DC-TDOB01 remains the recommended termination assembly solution.
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