1. Product Overview

Product Name: POW‑CBM4(af)
Article Number: POW‑CBM4(af)
Series: F&eIT Power Supply Series
Manufacturer: CONTEC CO., LTD. (Japan)
Product Type: Power Supply Unit for RP‑COM and other F&eIT Series components

The CONTEC POW‑CBM4(af) is a dedicated power supply module designed to provide stable DC power to RP‑COM communication converters and other F&eIT Series devices. It is part of CONTEC’s extensive F&eIT (Factory and Enterprise IT) product family, which integrates distributed monitoring, control, and communication systems for industrial automation. The unit is engineered for compactness, reliability, and seamless integration with CONTEC’s microcontrollers, I/O controllers, servers, and device modules.

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2. Key Features

- Dedicated Power Source for RP‑COM: Supplies regulated DC power to RP‑COM(FIT)GY and related communication modules.
- Compact Industrial Design: Matches the F&eIT Series form factor (DIN‑rail mountable, 94 mm height × 64.7 mm depth) for uniform installation.
- High Reliability: Designed for continuous industrial operation with wide input voltage tolerance and noise immunity compliant with IEC1000‑4‑4 Level 3.
- Flexible Input Options: Available in both AC‑DC and DC‑DC configurations to suit various installation environments.
- Stable 5 V DC Output: Provides regulated 5 V DC ± 5 % output for powering F&eIT modules, controllers, and servers.
- Safety and Compliance: Meets CE and FCC Class A standards for industrial electronic equipment.
- DIN‑Rail Mounting Mechanism: Enables quick installation and removal using a standard 35 mm DIN rail.
- Lightweight and Space‑Saving: Designed for compact control panels and embedded systems.
- Interoperability: Fully compatible with F&eIT Bus architecture, ensuring seamless power distribution to stacked device modules.
- Industrial Durability: Operates in environments from 0 °C to 50 °C with humidity up to 90 % RH (non‑condensing).

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3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model | POW‑CBM4(af) |
| Series | F&eIT Power Supply Series |
| Manufacturer | CONTEC CO., LTD. |
| Output Voltage | 5 V DC ± 5 % |
| Output Current | Up to 3.0 A (max.) depending on model variant |
| Input Voltage Range | AC 85 – 264 V (for AC‑DC types) / DC 10 – 50 V (for DC‑DC types) |
| Power Output Capacity | 15 W – 25 W nominal |
| Operating Temperature | 0 °C to 50 °C |
| Storage Temperature | −10 °C to 60 °C |
| Operating Humidity | 10 – 90 % RH (no condensation) |
| Cooling Method | Natural air‑cooling (fanless) |
| Noise Immunity | AC line 2 kV, signal line 1 kV (IEC1000‑4‑4 Level 3 / EN61000‑4‑4 Level 3) |
| Ground Type | D type (former Class 3) |
| Mounting | 35 mm DIN rail |
| Dimensions | 52.4 (W) × 64.7 (D) × 94.0 (H) mm (excluding protrusions) |
| Weight | Approx. 150 g (main unit only) |
| Material | Industrial‑grade resin enclosure |
| Color | Gray (GY) |
| Protection | Over‑current and thermal protection circuits |
| Certifications | CE Mark, FCC Class A (industrial use) |

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4. Functionality

The POW‑CBM4(af) functions as a regulated DC power supply for CONTEC’s RP‑COM(FIT)GY serial‑to‑Ethernet media converters and other F&eIT modules. It converts either AC mains or DC input voltage into a stable 5 V DC output distributed through the F&eIT Bus or direct connectors.

Typical Use Cases:
- Powering RP‑COM(FIT)GY, RP‑422(FIT)GY, and RP‑GPIB(FIT)GY media converters.
- Supplying power to microcontrollers (CPU‑SBxx(FIT)GY), I/O controllers (CPU‑CAxx(FIT)GY), and server units (SVR‑IOA, SVR‑MMF, SVR‑SEC).
- Embedded within control panels for distributed monitoring and control systems.
- Supporting Ethernet‑based remote I/O and web‑based monitoring networks.

Compatibility:
- Fully compatible with all F&eIT Series modules requiring 5 V DC input.
- Can be used with third‑party stabilizing power supplies if voltage and current ratings match.
- Supports stacking configurations where total current consumption does not exceed 3 A per stack connector.

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5. Components & Accessories

Included Items:
- POW‑CBM4(af) main power supply unit
- Removable 2‑piece power input connector with FG terminal
- User documentation and installation guide

Optional Accessories:
- POA‑AD22: AC adapter (90 – 264 V AC input, 5 V DC 2 A output, 1.4 m cable)
- FAN‑FIT: Optional cooling fan (DC 5 V ± 10 %, 0.18 A, 0.1 m³/min airflow) for raising allowable ambient temperature to 60 °C
- DIN‑Rail Mounting Hardware: Standard 35 mm rail clips (integrated)
- Cabling: Shielded twisted‑pair or UTP cables for Ethernet‑based modules

Connectors:
- Front‑mounted removable terminal block for power input
- F&eIT Bus connector for power distribution to stacked modules

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6. Installation & Setup

Requirements:
- Input power source within specified voltage range (AC 85 – 264 V or DC 10 – 50 V).
- Ambient temperature 0 – 50 °C (extendable to 60 °C with FAN‑FIT).
- Humidity 10 – 90 % RH (non‑condensing).
- Non‑corrosive, low‑dust environment.

Mounting Options:
- Standard 35 mm DIN rail installation using one‑touch latch mechanism.
- Vertical or horizontal orientation permitted for natural convection cooling.

Configuration Steps:
1. Mount the unit securely on the DIN rail.
2. Connect the input power lines to the removable terminal block (observe polarity and grounding).
3. Connect the output to the F&eIT Bus or directly to the target module.
4. Verify output voltage (5 V DC ± 5 %) before powering connected devices.
5. Power on the system and confirm indicator LED (if equipped) shows normal operation.

Safety Notes:
- Ensure total current draw of connected modules does not exceed 3 A.
- Use only in environments free from corrosive gases and excessive vibration.
- Disconnect power before maintenance or module replacement.

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7. Performance & Capabilities

- Output Stability: Maintains ± 5 % voltage regulation under varying load conditions.
- Efficiency: High‑efficiency conversion minimizes heat generation; fanless design ensures silent operation.
- Load Capacity: Supports up to 3 A continuous output current, sufficient for powering multiple F&eIT modules.
- Thermal Performance: Operates reliably up to 50 °C ambient; optional fan extends range to 60 °C.
- Noise Immunity: Withstands 2 kV AC line and 1 kV signal line transients per IEC1000‑4‑4 Level 3.
- Reliability: MTBF > 50,000 hours at 25 °C ambient.
- Limitations: Designed exclusively for 5 V DC F&eIT systems; not suitable for 12 V or 24 V loads.

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8. Standards & Compliance

- Electrical Safety: Conforms to IEC 60950‑1 and EN 60950‑1 for information technology equipment.
- EMC Compliance:
- EN 55022 Class A (Emission)
- EN 61000‑6‑2 (Immunity)
- IEC 1000‑4‑4 Level 3 (EFT/Burst Immunity)
- Environmental: RoHS compliant; lead‑free construction.
- Certifications: CE Mark (Europe), FCC Class A (USA).
- Grounding: D‑type (former Class 3) industrial ground standard.

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9. Additional Information

Warranty:
One‑year limited warranty from date of purchase. Free repair or replacement within warranty period under CONTEC’s standard terms.

Support & Maintenance:
- Technical support available through CONTEC’s global offices (Japan, USA, Europe, Korea, China, Taiwan).
- Firmware and documentation updates downloadable from [www.contec.com](http://www.contec.com).
- Periodic inspection recommended to ensure connector integrity and clean ventilation paths.

Maintenance Guidelines:
- Disconnect input power before cleaning or servicing.
- Replace unit if output voltage deviates beyond ± 5 %.
- Optional fan (FAN‑FIT) should be replaced after 30,000 – 50,000 hours of operation.

Related Products:
- POW‑AD13GY: AC 85 – 132 V input, 5 V DC 3 A output.
- POW‑AD22GY: AC 85 – 264 V input, 5 V DC 2 A output.
- POW‑AD25GY: AC 85 – 264 V input, 5 V DC 4.2 – 4.6 A output.
- POW‑DD10GY: DC 10 – 30 V input, 5 V DC 3 A output.
- POW‑DD43GY: DC 30 – 50 V input, 5 V DC 3 A output.
- POA‑AD22: AC adapter (90 – 264 V AC input, 5 V DC 2 A output).

Environmental Considerations:
- Designed for energy efficiency and minimal heat dissipation.
- Lead‑free solder and recyclable materials used in construction.

Service Life:
- Expected operational life exceeds 5 years under normal industrial conditions.
- Internal electrolytic capacitors rated for > 10,000 hours at 40 °C.

Manufacturer Contact:
CONTEC CO., LTD.
3‑9‑31 Himesato, Nishiyodogawa‑ku, Osaka 555‑0025, Japan
Tel: +81‑6‑6477‑5219 Fax: +81‑6‑6477‑1692
Website: [www.contec.com](http://www.contec.com)

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### Summary

The CONTEC POW‑CBM4(af) is a compact, high‑reliability 5 V DC power supply engineered for the RP‑COM and other F&eIT Series modules used in distributed industrial monitoring and control systems. It provides stable, noise‑resistant power in a DIN‑rail‑mountable form factor consistent with CONTEC’s modular architecture. With wide input voltage support, robust environmental tolerance, and compliance with international safety and EMC standards, the POW‑CBM4(af) ensures dependable operation of Ethernet‑based remote I/O, microcontrollers, and communication devices across factory and enterprise networks.

Its modular design, compatibility with both AC and DC infrastructures, and optional accessories such as the FAN‑FIT cooling unit make it adaptable to diverse industrial environments. Backed by CONTEC’s global support and one‑year warranty, the POW‑CBM4(af) represents a reliable, efficient, and space‑saving power solution for modern industrial automation systems.