The YOKOGAWA ALF111-S00 is a Foundation Fieldbus communication module.

• Function: Acts as a Link Active Scheduler (LAS) to exchange data with Foundation Fieldbus (H1) compliant devices. [H1 refers to a specific type of Foundation Fieldbus communication protocol]
• Applications:
  Specifications:
  • Mounted on Yokogawa field control units (AFV30□, AFV40□, A2FV50□, and A2FV70□)
  • ESB bus node units (ANB10□) and optical ESB bus node units (ANB11□)
  • Interface: Foundation fieldbus (low speed voltage mode)
  • Ports: 4 ports (1 segment per port)
  • Transmission speed: 31.25 kbps
  • Withstanding voltage: From field to system: 1500 V AC/minute

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