DeviceNet is defined as which of the following?

• A. Byte-wide network that can support 64 nodes and a maximum of 2048 field I/O devices.
• B. A network with unlimited nodes for analog signals.
• C. A network primarily used for audio transmission in industrial settings.
• D. A protocol for high-speed video transfer.

Answer: (A)

DeviceNet is a CAN-based fieldbus used in industrial automation, designed as a byte-wide network for digital I/O data. It supports up to 64 nodes on a single network, and the total amount of field I/O data it can carry across all devices can reach 2048 bytes. This combination—8-bit I/O payloads, a 64-device limit, and a sizable but finite I/O data capacity—fits the described definition and highlights why DeviceNet is suited for distributing simple I/O across many devices without aiming at analog-heavy, audio, or high-speed video applications.