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The FS‑PDB‑IOX05 is a power distribution and interface module intended for I/O extension cabinets in modular automation systems. Its primary role is to receive regulated power (often 5 V DC or other auxiliary voltage) from a central controller or PDB module, then distribute that power to multiple I/O modules within the extension rack. Additionally, it may carry synchronization or watchdog signals downstream to maintain health monitoring across the I/O chain.
Built for industrial settings, the IOX05 sits inside I/O racks and serves as the internal “power bus backbone” for I/O modules. It ensures proper voltage regulation, current distribution balance, and signal integrity under varying loads and environmental stresses.
| Parameter | Value / Description |
|---|---|
| Model | FS‑PDB‑IOX05 |
| Module Type | I/O Rack Power Distribution & Interface Module |
| Input Voltage | 5 V DC (typical) or auxiliary low‑voltage supply |
| Output Distribution | Multiple I/O module power branches |
| Current Carrying Capacity | Support for substantial branch current based on rack design |
| Mounting | Mounted inside I/O extension cabinet (rail or bracket) |
| Operating Temperature Range | –40 °C to +70 °C |
| Storage Temperature Range | –40 °C to +85 °C |
| Humidity Range | 0 to 95% RH, non‑condensing |
| Vibration Resistance | Up to 5 g RMS in 10–500 Hz |
| Shock Resistance | Up to 15 g, 11 ms |
| Signal Lines | Optional inclusion of watchdog / sync lines to I/O modules |
| Connectors / Terminals | Multi‑pin headers, screw/terminal blocks |
| Housing / Construction | Industrial grade polymer / metal shielding |
| Certification | Industrial compliance (CE, UL, RoHS, etc.) |
| Dimensions (W × H × D) | 170 mm × 70 mm × 46 mm |
| Weight | 0.80 kg |
The FS‑PDB‑IOX05 is suitable in a wide variety of industrial use cases, such as:
Powering and distributing voltage to modular I/O extension racks
Supplying and synchronizing watchdog or health signals across I/O modules
In distributed control systems (DCS) with remote I/O cabinets
In process automation within petrochemical, power generation, water treatment
Factory automation involving large I/O assemblies
Control architectures where modularity and scaling of I/O are required
Systems with redundancy in I/O paths, needing synchronized power and signals
Retrofit projects adding remote I/O where clean internal power distribution is needed
Dedicated I/O Power Bus: Ensures stable power to each module, minimizing voltage drop under load.
Scalable Distribution: Allows many I/O modules to share a reliable power backbone without overloading.
Signal Integrity Support: Can carry synchronized watchdog or health signals alongside power.
Robust Environmental Tolerance: Designed to resist temperature extremes, vibration, shock, and humidity.
Compact and Rack-Fit: Slim profile fits inside extension racks without interfering with module front access.
Ease of Maintenance: Clear labeling, modular connectors, and replaceability make servicing tractable.
Compatibility with Redundant Architectures: Can operate in systems that require backup power or signals.
Standard Compliance: Built to industrial standards, suitable for global automation installations.
Brand: Honeywell
Series: FS‑PDB (Power Distribution Board family)
Sub‑class: IOX (I/O Rack eXtension / Distribution)
Thus, the FS‑PDB‑IOX05 belongs to the PDB family specifically targeted at I/O extension cabinet power and signal distribution.
Here are five modules in the same family or closely related in function:
| Model | Function / Role | Voltage / Notes | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| FS‑PDB‑CPX05 | Controller cabinet PDB (distributes to I/O racks) | 5 V DC | 190 × 70 × 46 | 0.80 |
| FS‑PDB‑CPX10 | Higher load controller PDB | 5 V DC | 220 × 75 × 46 | 0.90 |
| FS‑PDB‑IOX10 | Higher capacity I/O rack distribution | 5 V DC | 180 × 75 × 50 | 0.85 |
| FS‑PDB‑CPX05‑Red | Redundant variant of CPX05 | 5 V DC, dual supply | ~190 × 75 × 50 | ~0.85 |
| FS‑PDB‑MUX05 | Power + multiplexed signal distribution module | 5 V DC + signal lines | 200 × 80 × 46 | 0.88 |
Here are five well‑known automation modules or controllers from the same brand:
| Model | Function / Role | Voltage / Interface | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| C300 Controller | Process / logic controller | 24 V DC | ~140 × 130 × 75 | ~1.25 |
| HC900‑CPU‑20200 | Hybrid controller (analog + logic) | 24 V DC | ~150 × 120 × 80 | ~1.10 |
| UDC3500 | Universal digital controller | 100–240 V AC | ~96 × 96 × 120 | ~0.90 |
| MX800 I/O Module | Modular I/O expansion | 24 V DC | ~110 × 105 × 70 | ~0.80 |
| RM7838B1010 | Relay / output interface module | 24 V AC/DC | ~120 × 110 × 60 | ~0.75 |
Q1: What is the primary function of FS‑PDB‑IOX05?
A1: To distribute regulated power (often 5 V DC) and optionally synchronized signals to I/O modules within extension racks.
Q2: What input voltage does it expect?
A2: Typically 5 V DC, provided from a controller cabinet PDB module or equivalent source.
Q3: Can it support redundant configurations?
A3: Yes — in a system designed for redundancy, IOX05 can be part of dual power paths or dual signal lines.
Q4: How is it mounted inside racks?
A4: It is mounted within the I/O extension cabinet, using internal mounting brackets or rail supports.
Q5: What is the operating environmental range?
A5: It handles –40 °C to +70 °C, with humidity up to 95% non-condensing, plus vibration and shock tolerances.
Q6: What are its dimensions and weight?
A6: 170 mm × 70 mm × 46 mm, weighing approximately 0.80 kg.
Q7: Does it support watchdog or health signal lines?
A7: Yes, it can carry synchronized watchdog/signal lines to help maintain system integrity across modules.
Q8: Is maintenance required?
A8: Minimal — visual inspections, connector cleaning, and verifying wiring integrity are usually sufficient.
Q9: Can this board be hot-swapped?
A9: Only if the system design supports live replacement. In many systems, replacement requires shutdown for safety.
Q10: Is it suitable for outdoor mounting?
A10: Not directly; it should be enclosed inside a properly rated cabinet to protect from environment and contaminants.
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