Yokogawa ANB11D Optical ESB Bus Node Unit

FAQ

Q1: How many optical ESB node units can ANB11D connect?
A1: Up to 13 ESB bus node units including ANB11D can be connected per FCU, depending on FCU type.

Q2: What types of power supply are supported by ANB11D?
A2: It supports 100-120 V AC, 220-240 V AC, and 24 V DC, specified through suffix codes.

Q3: What is the supported optical communication distance of ANB11D?
A3: It supports 5 km (via ANT502) or up to 50 km (via ANT512) optical repeater modules.

Q4: Does ANB11D support redundancy?
A4: Yes, it is designed with dual-redundant power supply and optical repeater modules.

Q5: How many I/O modules can be installed in ANB11D?
A5: It can support up to 8 I/O modules.

Q6: Can ANB11D monitor cabinet environmental conditions?
A6: Yes, when option /HU2A or /HU2B is specified, environmental data is sent to the FCU.

Q7: What is the mounting method of ANB11D?
A7: It mounts on a standard 19-inch rack using M5 screws and includes insulation bushings.

Q8: Is ANB11D suitable for explosive environments?
A8: Yes, with suffix E or F and option code /ATDOC, it complies with explosion protection standards.