YOKOGAWA SEC401-11 CENTUM VP ESB Bus Coupler Power Module

Availability: 99 left in stock

YOKOGAWA SEC401-11 ESB Bus Coupler Module Configured for power conversion and bus management in CENTUM VP/CS platforms, the YOKOGAWA SEC401-11...

SKU: SEC401-11

Manufacturer: Yokogawa
Product No.: SEC401-11
Product Type: Bus Coupler Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA SEC401-11 ESB Bus Coupler Module

Configured for power conversion and bus management in CENTUM VP/CS platforms, the YOKOGAWA SEC401-11 (SEC401-11 Bus Coupler/Power Supply Module) provides direct electrical regulation for I/O backplane distribution and control processing units.

Suffix Breakdown & Model Matrix

Model	Description
SEC401-11	Standard ESB Bus Coupler and Power Supply Module
SEC401-51	Designated successor model for production-stopped SEC401-11

Hardware Specifications

Parameter	Specification
Model	SEC401-11
Brand	YOKOGAWA
Origin	Japan
Weight	1.5 kg
Dimensions	130 mm x 107 mm x 32 mm
Operating Temp	-10 deg C to +55 deg C
Power Consumption	Not specified (100-240 VAC Input)
Output Capacity	5 VDC (10 A), 24 VDC (3 A)
Efficiency	>= 85%

DCS Process Control and Connectivity

The SEC401-11 integrates power supply functionality with ESB bus coupling to manage communication synchronization between the Field Control Station (FCS) and remote I/O nodes. Within the CENTUM ecosystem, this module supports 4-20 mA HART loop protocol connectivity by ensuring the backplane voltage remains stable during high-demand I/O scanning cycles. Its architecture incorporates channel-to-channel isolation on the communication interface, which mitigates signal degradation across the ESB bus.

Frequently Asked Questions

Q: Is the SEC401-11 compatible with dual-redundant power configurations?

A: Yes. The module supports redundant power supply setups to ensure high availability. When deploying in a dual-configuration, both modules share the load; ensure the input phases are appropriately phased to prevent harmonic interference on the distribution lines.

Q: Can the SEC401-11 be upgraded directly to the SEC401-51?

A: The SEC401-51 is the designated replacement for the discontinued SEC401-11. While the form factor is generally compatible, verify firmware compatibility with the host FCS and review the specific release notes regarding any backplane bus communication velocity adjustments required for the newer revision.

Field Installation Guidelines

Mounting: Secure the unit within the designated rack-mounted I/O cabinet. Ensure the rear backplane connectors are fully seated and the locking mechanism is engaged to maintain mechanical stability.
Grounding: Connect the chassis ground terminal to the main instrumentation ground bus using a low-impedance copper strap. This connection is vital for dissipating surge voltages and maintaining the integrity of the internal overvoltage protection circuits.
Wiring: Terminate AC input wiring using appropriate lug sizes for the provided screw terminals. Maintain a clear separation between AC input power cables and low-voltage I/O signal cables to prevent inductive noise coupling.

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