ALF111-S50
PublishedFoundation Fieldbus H1 Communication Module
YokogawaControl Systems (PLC & DCS)Communication ModuleIndustrial supply
The Yokogawa ALF111-S50 enables communication between field control stations and FOUNDATION Fieldbus H1 devices (low-speed voltage mode) at 31.25 kbps, supporting up to 32 devices per segment with LAS and clock master functions.
Wholesale supplyALF111-S50
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameFoundation Fieldbus H1 Communication Module
Item number / codeALF111-S50
BrandYokogawa
Product lineIndustrial supply
CategoryControl Systems (PLC & DCS)
Product typeCommunication Module
Technical data13 rows
Voltage1500 V
ALF111-S50module enables communication between field control stations (FCS) and fieldbus devices that comply with the FOUNDATION fieldbus (H1) protocol, such as transmitt
Bus ConnectionPressure clamp terminals (removable terminal block with built-in terminators)
Communication FunctionsLAS function, Clock master function
Control I/O ChannelsUp to 48 points/segment
Current Consumption0.5 A or less
Dual-RedundancySupports dual-redundant configuration for enhanced reliability
Fieldbus DevicesUp to 32 units per segment
Flexible InstallationCompatible with various field control units and bus node units
High PrecisionGuarantees accurate data exchange with fieldbus devices
Installation MethodMounted on various field control units and bus node units (e.g., ANB10, ANR10, AFF50, AFV30, AFV40, AFV10)
InterfaceFOUNDATION fieldbus (low-speed voltage mode)
ScalabilitySupports up to 48 control I/O
Reference numbers1 public
YokogawaALF111-S50