The Honeywell 38500148-300 is a dedicated power supply unit designed for the LCNE (Local Control Network Extender) HUB. This component is essential for maintaining the operational stability of network communication nodes within the Honeywell distributed control system architecture, ensuring consistent voltage regulation to the network hardware.

Product Specifications

⚙️ Model: 38500148-300

🔌 Application: LCNE HUB Power Supply

⚡ Input Voltage: AC/DC input requirements (refer to specific site power distribution)

🌡️ Operating Temperature: Industrial standard range (-20°C to +60°C)

📏 Form Factor: Designed for rack or chassis-mount integration

⚖️ Weight: Approximately 0.5 kg to 1.0 kg (depending on mounting hardware)

🌍 Country of Origin: Global Honeywell manufacturing standards

 

Operation Guidelines

Power-On/Off Sequence

▶️ Power-On Sequence: Verify the input power source is within the rated specifications before connecting. Ensure the output cables to the LCNE HUB are securely fastened. Once connected, toggle the power supply switch (if applicable) or energize the circuit. Observe the output voltage indicator LED on the power supply to confirm it is within the functional range.

⏹️ Power-Off Sequence: Always de-energize the power supply before disconnecting the load cables to the HUB. This prevents voltage spikes or short-circuits during the removal process. Ensure the power supply is fully isolated from the main power source before performing any maintenance.

Standard Operating Procedure

📝 Step 1: Verify the 38500148-300 part number matches the requirements of your LCNE HUB hardware revision.

📝 Step 2: Mount the unit securely within the cabinet, ensuring adequate clearance for airflow and heat dissipation.

📝 Step 3: Connect the incoming power wiring, adhering strictly to local electrical safety codes and polarity requirements.

📝 Step 4: Connect the output power cable to the LCNE HUB, ensuring the terminal block is tightened to prevent resistive heating.

📝 Step 5: Measure the output voltage at the destination terminal using a multimeter to ensure it meets the HUB’s requirements before final system integration.