Power Supply Module DCS Specs Yokogawa EB402-10

Power Supply Module DCS Specs Yokogawa EB402-10

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Yokogawa EB402-10 Power Supply Module Configured for high-load DC power distribution in CENTUM VP and CS 3000 platforms, the Yokogawa EB402-10 (EB402-10 Power...

SKU: EB402-10

Manufacturer: Yokogawa
Product No.: EB402-10
Product Type: Power Supply Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa EB402-10 Power Supply Module

Configured for high-load DC power distribution in CENTUM VP and CS 3000 platforms, the Yokogawa EB402-10 (EB402-10 Power Supply Module) provides direct physical electrical regulation for node units and high-density I/O subsystems.

Hardware Specifications

Parameter	Specification
Model	EB402-10
Brand	Yokogawa
Origin	Japan
Weight	0.3 kg
Dimensions	12.7 x 2.5 x 12.7 cm
Operating Temp	-10 deg C to +55 deg C
Power Consumption	Not specified
Output Capacity	10 A
Input Voltage	100-240 V AC

Power Distribution and System Integrity

The EB402-10 utilizes an internal switching architecture to deliver a stable 24 VDC output, supporting a maximum current load of 10 A. To maintain control system continuity, the module supports dual-redundant power configurations, allowing for parallel operation with an identical unit to prevent power-rail collapse during a single-point failure. The unit features 2 kV AC input-to-output isolation, providing necessary protection against line-side transients and voltage surges. Built-in thermal shutdown and overcurrent protection logic trigger automatically when internal thresholds are exceeded, ensuring the safety of connected backplane components and minimizing the risk of secondary hardware damage.

Frequently Asked Questions (FAQ)

Q: Can the EB402-10 be hot-swapped while the DCS is operating?

A: Yes. The module is designed for insertion and removal while the rack remains powered. Ensure that the redundant power supply companion unit is fully operational before removing the module to maintain a continuous 24 VDC supply to the I/O bus.

Q: How should the dual-redundant power configuration be wired?

A: Connect each EB402-10 module to independent AC supply circuits. Use the system rack power distribution backplane to parallel the 24 VDC outputs, ensuring that the total load current does not exceed the capacity of a single module if one unit is removed or fails.

Field Installation Guidelines

Mounting: Secure the module within the designated rack slot, ensuring the backplane connector is properly seated. Utilize the module locking clips to provide structural stability against cabinet vibrations.
Grounding: Bond the module chassis ground to the cabinet main earth bar using a dedicated, multi-stranded copper wire to reduce noise and provide a stable reference potential.
Thermal Management: The EB402-10 generates heat during operation at high output current. Ensure the cabinet ventilation system provides a minimum air exchange rate as required by the rack thermal profile, maintaining ambient conditions between -10 deg C and +55 deg C.
Wiring: Use wire gauges capable of carrying the 10 A output current to minimize voltage drop and resistive heating. Terminate all connections with proper ferrules or ring-type lugs to ensure a reliable electrical interface.

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