The YOKOGAWA ALE111-S51 remains an integral part of Yokogawa’s Centum VP distributed control system (DCS). It features a further refined processing architecture, enabling it to handle a staggering 2,000 events per second. This represents a 33% increase over the S50 model, making it a powerhouse for high – velocity industrial processes. Whether it’s a continuous – flow chemical manufacturing line where reactions occur in rapid succession or a high – volume automotive assembly plant with numerous sensors and actuators generating a constant stream of data, the ALE111-S51 can effortlessly keep pace. It maintains seamless integration with the system’s backplane, gathering data from a diverse range of connected I/O modules, controllers, and field devices. The data filtering and categorization algorithms have been further enhanced in the S51, offering even more precise differentiation between critical alarms that demand immediate operator intervention and less pressing informational events.
Model NumberALE111-S51
BrandYOKOGAWA
TypeAlarm & Event Processing Module
Input Voltage24V DC (with ultra – stable voltage regulation)
Operating Temp Range- 15°C to 75°C (an even wider range than S50)
Mounting StyleBackplane mounting (Centum VP rack)
Dimensions115mm x 175mm x 235mm (accommodating internal upgrades)
Weight1100g
Interface/BusV – net/IP (with gigabit – speed data transfer capabilities)
ComplianceCE, RoHS, IEC 61508 (SIL 3, with enhanced safety features)
Supported ProtocolsModbus TCP, OPC UA, Profinet, and now also supports EtherNet/IP for broader compatibility
Typical Power Draw7.2W (reflecting increased processing and storage capabilities)
The YOKOGAWA ALE111-S51 remains an integral part of Yokogawa’s Centum VP distributed control system (DCS). It features a further refined processing architecture, enabling it to handle a staggering 2,000 events per second. This represents a 33% increase over the S50 model, making it a powerhouse for high – velocity industrial processes. Whether it’s a continuous – flow chemical manufacturing line where reactions occur in rapid succession or a high – volume automotive assembly plant with numerous sensors and actuators generating a constant stream of data, the ALE111-S51 can effortlessly keep pace. It maintains seamless integration with the system’s backplane, gathering data from a diverse range of connected I/O modules, controllers, and field devices. The data filtering and categorization algorithms have been further enhanced in the S51, offering even more precise differentiation between critical alarms that demand immediate operator intervention and less pressing informational events.
ALE111-S51
Main features and advantages:
One of the most notable advancements in the ALE111-S51 is its storage capacity upgrade. Incorporating state – of – the – art 3D NAND flash technology similar to high – performance solid – state drives, it offers an expandable storage option of up to 4TB. This substantial storage boost is invaluable for industries that need to retain large volumes of historical event data for extended periods. For instance, in aerospace manufacturing, where strict quality control and regulatory compliance require the archiving of every event related to the production process for years, the ALE111-S51 can store a wealth of data without the need for frequent data purging or external storage expansions.
ALE111-S51
Technical specifications:
Model NumberALE111-S51
BrandYOKOGAWA
TypeAlarm & Event Processing Module
Input Voltage24V DC (with ultra – stable voltage regulation)
Operating Temp Range- 15°C to 75°C (an even wider range than S50)
Mounting StyleBackplane mounting (Centum VP rack)
Dimensions115mm x 175mm x 235mm (accommodating internal upgrades)
Weight1100g
Interface/BusV – net/IP (with gigabit – speed data transfer capabilities)
ComplianceCE, RoHS, IEC 61508 (SIL 3, with enhanced safety features)
Supported ProtocolsModbus TCP, OPC UA, Profinet, and now also supports EtherNet/IP for broader compatibility
Typical Power Draw7.2W (reflecting increased processing and storage capabilities)
The ALE111-S51 brings several distinct advantages to the table. Its enhanced processing speed and highly refined event categorization translate to an even more rapid response to critical events. In a large – scale petrochemical refinery, the S51 can cut down the time from alarm activation to operator alert by up to 40% compared to the S50. This lightning – fast response time can prevent minor glitches from snowballing into major process disruptions, potentially saving hundreds of thousands, if not millions, of dollars in production losses.
For industries bound by strict regulatory compliance, the ALE111-S51 offers enhanced data security features. In addition to the encrypted event logging carried over from the S50, it now includes a two – factor authentication mechanism for accessing the event data. This added layer of security is crucial for sectors such as pharmaceuticals, nuclear power, and financial services, where the integrity and confidentiality of data are non – negotiable.
In terms of applications, the ALE111-S51 is tailor – made for industries operating in the harshest of environments. In deep – sea oil and gas platforms, with their extreme temperature variations, high – level mechanical vibrations, and corrosive atmospheres, the S51’s extended operating temperature range of – 15°C to 75°C and improved shock and vibration resistance make it an ideal choice for monitoring equipment status, such as subsea valve operations, wellhead pressure changes, and pipeline integrity. In large – scale power generation plants, particularly those located in remote or harsh – climate regions, the S51 can efficiently manage a vast number of events related to turbine operations, generator performance, grid – connection status, and environmental monitoring.
ALE111-S51
Related products:
YOKOGAWA ALE112 – S51 – A high – capacity variant of the S51, offering extended storage for long – term event retention (up to 20 years), suitable for industries with extremely extensive historical data requirements, such as aerospace manufacturing for quality control and regulatory compliance.
YOKOGAWA ALE111 – S50 (comparative model) – The previous model, useful for comparison when considering upgrades. While reliable, it lacks the advanced features of the S51, such as the higher event processing speed, expanded storage capacity, wider operating temperature range, and enhanced data security features.
YOKOGAWA ALR122 – S51 – A redundant alarm module pair based on the S51 technology, designed for mission – critical applications that demand an even higher level of uptime, approaching 99.99999%. This is essential for industries where any downtime can have catastrophic consequences, like in certain segments of the medical device manufacturing industry and high – frequency trading operations.
YOKOGAWA AEM102 – S51 – An upgraded event analysis software that pairs specifically with the ALE111 – S51. It offers more advanced analytics capabilities, including machine – learning – based predictive analytics for more accurate anticipation of potential issues before they occur.
YOKOGAWA F3PU40 – 0N – A power supply unit optimized for the ALE111 – S51, providing stable power even in electrical environments with severe interference or voltage fluctuations. This is beneficial for industrial plants with aged electrical infrastructure or those located in areas with unreliable power grids.
YOKOGAWA VNet/IP Pro Gateway – A next – generation gateway that significantly enhances the communication capabilities of the ALE111 – S51, allowing for seamless integration with a broader range of third – party SCADA systems, cloud – based monitoring platforms, and edge computing devices.
YOKOGAWA HMIW431 – An operator interface panel tailored for the ALE111 – S51, offering a more intuitive user experience with customizable dashboards for quick access to critical alarm and event information, along with augmented reality (AR) – based visualization for easier troubleshooting.
ALE111-S51
Installation and maintenance:
Before installing the YOKOGAWA ALE111-S51, it is imperative to ensure that the Centum VP rack firmware is at least version 6.0. This updated firmware is necessary to fully exploit the S51’s advanced features, such as the enhanced event processing algorithms, new protocol support, and two – factor authentication. Check the backplane power capacity meticulously, as the S51 has a slightly higher power draw of 7.2W. Adequate ventilation around the module is of utmost importance, especially considering its wider operating temperature range. The module should be installed in an area where the ambient temperature can be maintained within the specified range, even during peak operational loads.
For ongoing maintenance, the S51 has an even more comprehensive set of status indicators. In addition to the standard green and red LEDs for normal operation and critical faults, and the orange LED for minor issues in the S50, it now includes a blue LED to indicate high – speed data transfer status. Weekly checks of these LEDs are recommended. Monthly inspections of the network connections, including both the V – net/IP and any additional protocol – based connections, are necessary to ensure secure and high – speed data transfer. Annually, use Yokogawa’s latest Alarm Management Tool to perform a full diagnostic check, which includes validating the integrity of the encrypted event logs, ensuring that the alarm prioritization rules are still relevant, and verifying the performance of the advanced processing algorithms and machine – learning models.