Configured for high-speed packet routing and network redundancy in CENTUM control systems, the Yokogawa AVR10D-Q21020 (AVR10D Duplexed V Net Router) provides direct electrical execution for inter-network data exchange. This module manages dual-redundant V net paths to ensure continuous communication stability, utilizing a dedicated interface for 10BASE-2 physical layer integration and dual power input configurations for operational availability.

Suffix Breakdown & Model Matrix

Hardware Specifications

DCS Connectivity and Isolation

The AVR10D architecture employs internal channel-to-channel isolation to mitigate noise interference within the V net communication bus. The unit facilitates protocol bridging between standard V net interfaces and high-speed Vnet/IP domains, ensuring that frame integrity is maintained during master/slave switchover events. The dual-redundant implementation requires precise termination of BNC connectors to prevent signal reflection, which is vital for maintaining the 10 Mbps transmission rates across extended cable segments.

Frequently Asked Questions

Q: Does the AVR10D-Q21020 support hot-swapping during active system operation?

A: No, this unit requires power isolation before physical removal from the rack or disconnection of communication cables to prevent potential backplane surge damage.

Q: How is the dual power supply redundancy monitored by the CENTUM system?

A: The module performs internal voltage verification on both input rails and transmits status flags through the network bus to signify a loss of power on a single input line.

Field Installation Guidelines

• Mount the unit in a vertical orientation within the cabinet to facilitate convection cooling and ensure the operating temperature does not exceed 55 deg C.
• Ensure all BNC connectors for the V net interface are securely locked and utilize shielded coaxial cabling to prevent electromagnetic interference.
• Verify that the 220-240 V AC supply is grounded correctly to the cabinet common earth bar before connecting power to the redundant terminals.
• Maintain a minimum clearance of 50 mm surrounding the device to allow for adequate heat dissipation of the 20 W power load.
• For 10BASE-2 connections, ensure appropriate line termination resistors are installed at the physical end points of the bus to maintain signal impedance.