Yokogawa ANB11D-425/BU2A Node Unit for Dual-Redundant ESB Bus with Optical Repeater

FAQ

Q1: What power input types are supported by the node unit?
A1: The node unit supports 100–120V AC, 220–240V AC, and 24V DC inputs, all in dual-redundant configuration for high system reliability.

Q2: What is the maximum transmission distance of the node unit?
A2: With ANT421 and ANT522 optical ESB bus repeater modules, the maximum transmission distance per hop is up to 4 km.

Q3: What bus topologies are supported by the node unit?
A3: Supports both chain and star topologies to accommodate different system designs.

Q4: What is the operating temperature range of the node unit?
A4: The operating temperature range is -20°C to +70°C, suitable for diverse industrial environments.

Q5: Does the node unit support environmental monitoring?
A5: Optional HKU interface is available for monitoring cabinet temperature and fan status, requiring a separate order.

Q6: What are the dimensions and weight of the node unit?
A6: Dimensions are 482.6 × 221.5 × 205 mm, weight is 10 kg, suitable for 19-inch rack mounting.

Q7: What type of optical connectors does the node unit use?
A7: LC-type optical connectors are used, ensuring stable and reliable fiber connections.

Q8: Does the node unit have explosion protection?
A8: Explosion protection depends on the model; standard type does not have it, while some models support explosion protection.