Product OverviewBrand: YokogawaPart Number: ALF111-S50Module Type: FOUNDATION Fieldbus CommunicationBuilt for stable field device networking.Main AdvantagesSupports multiple fieldbus segments.Reliable low-speed voltage mode.Dual-redundancy ready.Strong electrical isolation.Compact and lightweight design.Communication PerformanceFOUNDATION Fieldbus interface.Transmission speed: 31.25 kbps.Four ports available.One segment per port.Network CapacityUp to 32 devices per segment.ALF111 counts as one device.Up to 48 I/O points per segment.Supports mixed scan speed use.Control and Timing FunctionsLAS function supported.Clock master function built-in.Stable bus timing control.Electrical ProtectionField to system isolation: 1500 V AC.Channel to channel isolation included.Isolation time: 1 minute.Power and ConsumptionMaximum current: 0.5 A.Low power load on system bus.Mechanical DetailsApproximate weight: 0.40 kg.Designed for dense installations.Installation CompatibilityMounts on ANB10, ANB11 nodes.Also fits AFV30, AFV40 units.Supports A2FV50 and A2FV70.Works with Yokogawa Centum VP systems.Bus Connection DesignPressure clamp terminals.Removable terminal block.Built-in terminators.Terminator switch ON/OFF.Suffix Code StructureModelALF111 Fieldbus moduleSuffix CodesS Standard type5 No explosion protection0 Basic configurationTypical ApplicationsProcess automation networks.Field device integration.Distributed control systems.Redundant fieldbus layouts.Warranty and Shipping12-month warranty included.Inspected before delivery.Ships via FedEx, UPS, or DHL.Global shipping available.Professional FAQCan ALF111 support redundant setups?Yes. Two units can work together.How many devices can connect to one segment?Up to 32 fieldbus devices.Is this module suitable for fast control loops?Yes. It supports mixed scan speeds.Does the module include bus termination?Yes. Terminators are built-in.When should I choose ALF111?When stable fieldbus control is needed.Contact InformationEmail: [email protected]: 86 158 8020 0923Copyright © 2026 Oiltech Controls Limited. All rights reserved. Original Source: https://www.oiltechcontrols.com/Partner PLCDCS HUB Limited. All rights reserved.Powergear X Automation Limited
