{"product_id":"alp121-s00-yokogawa-profibus-dp-module-new-original-stock","title":"ALP121-S00 YOKOGAWA PROFIBUS-DP Module | New \u0026 Original Stock","description":"\u003cp\u003eConfigured for high-speed fieldbus integration in CENTUM VP control systems, the \u003cstrong\u003eYOKOGAWA ALP121-S00\u003c\/strong\u003e (\u003cstrong\u003eALP121\u003c\/strong\u003e PROFIBUS-DP Communication Module) provides direct physical and electrical execution of PROFIBUS-DP master operations for distributed I\/O and field device management.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe ALP121-S00 utilizes a specific configuration code to define system compatibility and operational standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel ALP121:\u003c\/strong\u003e PROFIBUS-DP communication module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuffix S00:\u003c\/strong\u003e Standard configuration for integration with CENTUM VP field control stations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eALP121-S00\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.2 x 12.7 x 12.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.7 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS-DP (RS-485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Configuration\u003c\/td\u003e\n\u003ctd\u003e1 port (D-sub 9-pin female)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Connectivity and PROFIBUS-DP Performance\u003c\/h3\u003e\n\u003cp\u003eThe ALP121-S00 module acts as a PROFIBUS-DP master, facilitating deterministic communication between the DCS and slave devices. The module incorporates galvanic isolation between the fieldbus interface and the internal system bus, which prevents ground loop interference and protects sensitive control circuitry from field-side voltage transients. The transmission speed is auto-negotiable, ranging from 9600 bps to 12 Mbps depending on the physical cable length and network topology. The module adheres to EIA-RS-485 physical layer standards, ensuring compatibility with standard PROFIBUS-DP cabling and termination requirements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the ALP121-S00 be used in a redundant configuration?\u003c\/p\u003e\n\u003cp\u003eA: Yes. When properly configured within the CENTUM VP environment, the module supports redundancy to ensure uninterrupted communication with critical field devices in the event of a module failure.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum transmission distance for the PROFIBUS-DP signal?\u003c\/p\u003e\n\u003cp\u003eA: The transmission distance is dependent on the data rate. At the lowest speed of 9600 bps, the module supports cable runs up to 1.2 km; however, distance significantly decreases as communication speed increases toward 12 Mbps.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the control station is powered down before inserting the ALP121-S00 into the designated I\/O slot on the backplane.\u003c\/li\u003e\n\u003cli\u003eVerify that the D-sub 9-pin connector is securely fastened and that the shielding of the PROFIBUS cable is properly terminated to the connector shell to maintain EMC compliance.\u003c\/li\u003e\n\u003cli\u003eApply correct bus termination resistors at both ends of the PROFIBUS-DP segment to prevent signal reflections and transmission errors.\u003c\/li\u003e\n\u003cli\u003eRoute PROFIBUS communication cables in dedicated conduits, maintaining adequate separation from power and high-current inductive lines.\u003c\/li\u003e\n\u003cli\u003ePerform a network scan using the CENTUM VP engineering tools after commissioning to verify that all slave devices are correctly identified and communication parameters are optimized.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49199385149692,"sku":"ALP121-S00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/ALP121-S001.jpg?v=1781487119","url":"https:\/\/www.electronicplc.com\/ar\/products\/alp121-s00-yokogawa-profibus-dp-module-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}