EC401-10 S3 Yokogawa ESB Bus Coupler Module

EC401-10 S3 Yokogawa CENTUM VP ESB Bus Coupler Module

EC401-10 S3 Yokogawa CENTUM VP ESB Bus Coupler Module

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Yokogawa EC401-10 S3 ESB Bus Coupler Modules The Yokogawa EC401-10 S3, also cataloged as the EC402 or EC401 ESB Bus...

رمز المنتج: EC401-10 S3

Manufacturer: Yokogawa
Product No.: EC401-10 S3
Product Type: Communication Interface Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 240g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Yokogawa EC401-10 S3 ESB Bus Coupler Modules

The Yokogawa EC401-10 S3, also cataloged as the EC402 or EC401 ESB Bus Coupler Module, operates as a dedicated hardware component for high-speed bus communication execution within CENTUM VP and ProSafe-RS control platforms. The unit interfaces up to 9 nodes across dual redundant Ethernet communication paths, transferring I/O data at rates up to 128 Mbps over max 10 m bus distances. Featuring 1500 VAC dielectric isolation and style S3 environmental build parameters, the module maintains deterministic real-time data flow across system backplane architectures.

Hardware Specifications

Parameter	Specification
Model	EC401-10 S3
Brand	Yokogawa
Origin	Singapore / Japan
Weight	0.24 - 0.40 kg (1.5 kg shipping weight)
Dimensions	Standard Yokogawa I/O rack slot footprint
Operating Temp	-20 to 60 deg C (S3 version tolerance)
Power Consumption	400 mA to 0.5 A at 5 VDC (backplane powered)
Communication Protocols	Vnet/IP, Ethernet TCP/IP, ESB Bus
Bus Speed	128 Mbps (I/O module data transmission)
Connectable Nodes	Max. 9 units
Transmission Distance	Max. 10 m
Isolation Voltage	1500 VAC between communication and system logic for 1 minute

Channel-to-Channel Isolation and DCS Signal Integrity

Yokogawa process automation architectures mandate physical dielectric isolation to prevent stray field currents and ground loops from impacting backplane processing logic. The EC401-10 S3 maintains 1500 VAC withstand galvanic isolation between external network connections and internal system buses. When operating in hybrid control racks alongside 4-20 mA HART loop transmitters, this high dielectric isolation suppresses noise coupling and safeguards network frame timing across primary and secondary communication paths.

Frequently Asked Questions

Q: What transmission speed and distance limits govern the EC401-10 S3 module? A: The module executes I/O data transfers at 128 Mbps across a maximum transmission distance of 10 m.

Q: How many node units connect to a single EC401-10 S3 module? A: The ESB bus interface supports connections for up to 9 node units within the system rack chain.

Q: What primary voltage powers the EC401-10 S3 hardware? A: The module operates directly from the 5 VDC backplane supply, drawing between 400 mA and 0.5 A during operation.

Field Installation Guidelines

Power down the rack chassis or verify dual-redundant module execution prior to mounting the unit into the backplane slot.
Align module connector pins carefully with backplane guide rails to avoid pin bending during physical insertion.
Attach standard ESB bus cabling or RJ-45 Ethernet lines firmly to both primary and secondary redundant ports.
Route communication cables through separate wire raceways isolated from high-voltage power lines to prevent electro-magnetic interference.
Ground cable shield wires directly to the main cabinet grounding bar using short, low-impedance copper conductors.

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