{"product_id":"yokogawa-alf111-s50-foundation-fieldbus-communication-module","title":"Yokogawa ALF111-S50 Foundation Fieldbus Communication Module","description":"\u003ch2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/YOKOGAWA_480x480.png?v=1697472085\" alt=\"\" width=\"70\" height=\"17\"\u003eProduct Description\u003c\/h2\u003e\n\u003cdiv class=\"ybc-p\"\u003e\n\u003cp\u003eThe Yokogawa ALF111-S50 is a FOUNDATION Fieldbus H1 communication module that manages communication between a control system and connected field devices. It operates as the Link Active Scheduler (LAS), coordinating communication on the fieldbus segment. The module provides four fieldbus ports, supports a transmission rate of 31.25 kbps, and is designed for installation in specified Yokogawa node units and compact field control units.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eALF111-S50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFOUNDATION Fieldbus Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFieldbus Protocol\u003c\/td\u003e\n\u003ctd\u003eFOUNDATION Fieldbus H1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eLow-speed voltage-mode fieldbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Ports\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSegment Connection\u003c\/td\u003e\n\u003ctd\u003eOne port per segment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Speed\u003c\/td\u003e\n\u003ctd\u003e31.25 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Function\u003c\/td\u003e\n\u003ctd\u003eLink Active Scheduler (LAS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Fieldbus Power Requirement\u003c\/td\u003e\n\u003ctd\u003eMTL5995 fieldbus power supply required for LAS operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC for 1 minute, field-to-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eCommunication Function\u003c\/h3\u003e\n\u003cp\u003eThe ALF111 manages the H1 fieldbus communication schedule as the LAS. It coordinates scheduled communication between compatible field devices and supports the exchange of field data with the control system. Each of its four ports connects to one fieldbus segment, so the segment layout and connected device requirements should be checked during system configuration.\u003c\/p\u003e\n\u003cp\u003eThe specified LAS function requires an MTL5995 fieldbus power supply. This requirement should be considered separately from the module's rated current consumption of 0.5 A or less. The supplied data does not establish that the module itself powers the fieldbus segments.\u003c\/p\u003e\n\u003ch3\u003eFieldbus Connections and Termination\u003c\/h3\u003e\n\u003cp\u003eThe module supports two external connection arrangements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePressure-clamp terminal block: A removable terminal block with built-in terminators that can be switched on or off.\u003c\/li\u003e\n\u003cli\u003eTerminal board connection: Uses the AKB336 connection cable, with YCB138 terminators mounted on the terminal board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \/F9S00 option code identifies a pressure-clamp terminal block for the fieldbus, model ATF9S-00. Confirm the terminal arrangement and termination requirements before ordering or replacing the module.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe ALF111-S50 is specified for installation in the following units:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eANB10S or ANB10D node units for the ESB bus\u003c\/li\u003e\n\u003cli\u003eANR10S or ANR10D node units for the ER bus\u003c\/li\u003e\n\u003cli\u003eAFF50S or AFF50D compact field control units for FIO\u003c\/li\u003e\n\u003cli\u003eAFV10S or AFV10D compact field control units for Vnet\/IP and FIO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVerify the installed unit model and available module position before replacement. For fieldbus device connection specifications, the supplied reference identifies General Specifications - Model LFS2610, FOUNDATION Fieldbus Communication Package (for ALF111), document number GS 33Q03L60-31E.\u003c\/p\u003e\n\u003ch3\u003eOrdering Configuration\u003c\/h3\u003e\n\u003cp\u003eThe supplied suffix-code information identifies the following configurations:\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode or Item\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e-S\u003c\/td\u003e\n\u003ctd\u003eStandard type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eWithout explosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003eWith explosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\/F9S00\u003c\/td\u003e\n\u003ctd\u003ePressure-clamp terminal block for fieldbus, model ATF9S-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eThe supplied ordering table also mentions an ISA Standard G3 option and a basic-type code, but its formatting does not clearly establish the complete code sequence for ALF111-S50. Verify the full ordering code against the original ordering specification before selecting environmental options or accessories.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the main function of the ALF111-S50?\u003c\/p\u003e\n\u003cp\u003eA: It acts as the Link Active Scheduler for FOUNDATION Fieldbus H1 communication and exchanges field data with connected devices. Each of its four ports connects to a separate fieldbus segment.\u003c\/p\u003e\n\u003cp\u003eQ: Does the ALF111-S50 include fieldbus power and termination?\u003c\/p\u003e\n\u003cp\u003eA: The supplied specifications require an MTL5995 fieldbus power supply for LAS operation. Termination depends on the selected connection arrangement; the pressure-clamp terminal block has built-in switchable terminators, while the AKB336 terminal-board arrangement uses YCB138 terminators.\u003c\/p\u003e\n\u003cp\u003eQ: Which units support the ALF111-S50?\u003c\/p\u003e\n\u003cp\u003eA: The specified installation units are ANB10S\/ANB10D, ANR10S\/ANR10D, AFF50S\/AFF50D, and AFV10S\/AFV10D. Confirm the installed unit and the required fieldbus connection configuration before replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\n\u003cimg height=\"17\" width=\"70\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/YOKOGAWA_480x480.png?v=1697472085\"\u003eOther Attributes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCountry of Origin: Japan\/Singapore\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLead Time: In Stock, 2 Working Days\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cimg height=\"17\" width=\"70\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/YOKOGAWA_480x480.png?v=1697472085\"\u003e\u003cspan\u003eIn Stock \u003c\/span\u003e\u003cspan\u003eHot Items \u003c\/span\u003eof\u003cspan\u003e \u003cu\u003eYOKOGAWA\u003c\/u\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ctable height=\"471\" width=\"498\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"188\"\u003e \u003ccol width=\"176\"\u003e \u003ccol width=\"134\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"23\"\u003e\n\u003ctd width=\"188\" height=\"23\" class=\"et2\"\u003eANB10D-425\/CU2N\u003c\/td\u003e\n\u003ctd width=\"176\" class=\"et2\"\u003eSDV144-S63\u003c\/td\u003e\n\u003ctd width=\"134\" class=\"et2\"\u003eSAI143-S53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"23\"\u003e\n\u003ctd height=\"23\" class=\"et2\"\u003eAAI143-H50\/K4A00\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eALE111-S50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSCP451-51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"23\"\u003e\n\u003ctd height=\"23\" class=\"et2\"\u003eEC402-50 S1\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP471-00\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSPW482-53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"23\"\u003e\n\u003ctd height=\"23\" class=\"et2\"\u003eAAI143-H50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSCP461-51\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP461-10 S1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"45\"\u003e\n\u003ctd height=\"45\" class=\"et2\"\u003eSAI143-H63\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP461-10\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP461-50 S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"23\"\u003e\n\u003ctd height=\"23\" class=\"et2\"\u003eAAI143-H50\/A4S00\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSAI533-H53\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eACG10S-F2121 S4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"23\"\u003e\n\u003ctd height=\"23\" class=\"et2\"\u003eANB10D-420\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSNT401-53\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eAIP826-2 S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eAFF50D-H41201\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eADV161-P50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP451-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eAAV144-S50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSEC402-51\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP451-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eAAI143-S53\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eANB10D-420\/CU2N\/NDEL\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP461\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eANB10D-421\/CU2N\/NDEL\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSAI143-H53\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP461-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eADV151-P53\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eAAI543-H53\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eDP97-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003ePW484-50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP451-50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eYNT512D-Q12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eCP345\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eAAI143-H53\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eANB10D-410\/S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eAAB841-S50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eANB10D-420 S2\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eNFCP100-S00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eNFAF135-S50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP461-51\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP451-10 S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eNFAI141-S00\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSCP461-51 S1\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSAI143-H33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eNFAI141-S50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSCP461-51 S2\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSAI143-H03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eNFAI841-S50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSNB10D-225\/CU2T\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eCP345 S1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eNFAR181-S00\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eAAI141-S50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eSCP451-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eNFDV161-P00\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eAFV10D-S41211\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003ePW702 S1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eNFDV161-P50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eANB10D-421\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eAFV30D-A41452\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\"\u003e\n\u003ctd height=\"18\" class=\"et2\"\u003eAAR145-S50\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eANB10D-425\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003eALE111-S50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eOur Competitive Brands\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e- ABB Advant-800xA，Advant OCS，Bailey Infi 90 and Net 90，H\u0026amp;B Freelance 2000，DSQC Robots，IGCT \/ IGBT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- GE General Electric Field Control, Genius I\/O, QuickPanel, RX3i PacSystem, Series 90, Series 90, Series VersaMax\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Allen Bradley Allen-Bradley SLC500, MicroLogix, CompactLogix, ControlLogix, PLC-5, Panel View,\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Bently Nevada 3300 System, 3500 System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Honeywell 7800 Series, FSC, IPC, Mxopen, TDC 2000, TDC 3000, Experion PKS(C200,C300)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Yokogawa Centum CS - Centum VP, Centum XL - micro XL, FA-M3, ProSafe-PLC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Ovation, Foxboro, EPRO, Emerson DeltaV, Fuji, Siemens, HIMA, Prosoft, Invensys Triconex, ICS TRIPLEX, Woodward, Bachmann, Schneider\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"tel:+8618030205725\"\u003e\u003cspan\u003e\u003cstrong\u003eTEL: +86 18030205725 \u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e    \u003ca href=\"maito:manskiwong@cambia.cn\"\u003e\u003cspan\u003e\u003cstrong\u003eE-MAIL: manskiwong@cambia.cn\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":67887106588981,"sku":"ALF111-S50","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/ALF111-S50_Cocoai.jpg?v=1792566255","url":"https:\/\/www.newgenplc.com\/tr\/products\/yokogawa-alf111-s50-foundation-fieldbus-communication-module","provider":"New-Gen Automation Limited","version":"1.0","type":"link"}