Yokogawa VC401-10 Vnet Bus Coupler Module Technical Specs

Yokogawa VC401-10 Vnet Bus Coupler Module Technical Specs

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Yokogawa VC401-10 Bus Coupler Module Configured for high-speed network integration in CENTUM VP and CS 3000 platforms, the Yokogawa VC401-10 (VC401-10 Coupler Module)...

SKU: VC401-10

Manufacturer: Yokogawa
Product No.: VC401-10
Product Type: Communication Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 180g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa VC401-10 Bus Coupler Module

Configured for high-speed network integration in CENTUM VP and CS 3000 platforms, the Yokogawa VC401-10 (VC401-10 Coupler Module) provides direct physical Vnet/IP bus interfacing and signal bridging for distributed node units.

Suffix Breakdown & Model Matrix

The VC401-10 designation identifies the specific hardware iteration of the Vnet coupler unit. The base module facilitates the deterministic exchange of control data between remote I/O nodes and the central controller, ensuring synchronous communication cycles across the Vnet/IP bus architecture.

Hardware Specifications

Parameter	Specification
Model	VC401-10
Brand	Yokogawa
Origin	Japan
Weight	0.18 kg
Dimensions	130 x 124 x 32.8 mm
Operating Temp	-10 deg C to +55 deg C
Power Consumption	Not specified
Function	Vnet Bus Interface
Isolation	2 kV AC

Process Control Connectivity

The VC401-10 utilizes integrated bus coupling logic to maintain signal integrity during data transmission between the Vnet system bus and connected node modules. In process control environments, this module enables the deterministic packet delivery required for 4-20 mA HART loop protocol integration when interfacing with field instrumentation. To ensure stable network operation, the module incorporates robust galvanic isolation, protecting the backplane bus from electrical transients and potential ground potential differences across distributed rack segments.

Frequently Asked Questions (FAQ)

Q: Does the VC401-10 support hot-swapping within the node unit rack?

A: Yes. The module is engineered to support insertion and extraction while the node unit is powered. Ensure that the bus communication is logically suppressed at the controller level before removal to prevent network-wide diagnostic exceptions.

Q: What are the primary indicators of a bus coupler failure?

A: Failure typically manifests through the illumination of the module status LED (if applicable), loss of communication heartbeat in the CENTUM VP engineering station, or CRC error accumulation in the Vnet diagnostic logs.

Field Installation Guidelines

Mounting: Seat the VC401-10 firmly into the designated rack slot, ensuring the backplane pins are fully engaged. Secure the module using the built-in locking mechanism to maintain electrical stability against cabinet vibrations.
Grounding: Verify that the rack assembly is bonded to the cabinet earth ground. Proper grounding is necessary to minimize common-mode noise on the Vnet communication lines.
Cabling: Route Vnet/IP communication cabling through dedicated pathways, separated from high-current power distribution wiring by at least 100 mm to avoid inductive coupling.
Environment: Ensure that the ambient temperature remains within the specified -10 deg C to +55 deg C range. Avoid high humidity zones (> 95% RH) to prevent terminal oxidation.

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