The YOKOGAWA ALE111-S50 is still a key component within Yokogawa’s Centum VP distributed control system (DCS). However, it features an upgraded processing core that enables it to handle up to 1,500 events per second, a 50% increase compared to the S01 model. This enhanced throughput is crucial in high – speed industrial processes where a large number of events can occur simultaneously, such as in fast – paced chemical reactions or high – volume manufacturing lines. It continues to integrate seamlessly with the system’s backplane, collecting data from a wide array of connected I/O modules, controllers, and field devices. But with the S50, the data filtering and categorization algorithms have been refined, offering more nuanced distinctions between critical alarms, which demand immediate attention, and less urgent informational events.
Model NumberALE111-S50
BrandYOKOGAWA
TypeAlarm & Event Processing Module
Input Voltage24V DC (with enhanced voltage regulation for stability)
Operating Temp Range- 10°C to 70°C
Mounting StyleBackplane mounting (Centum VP rack)
DimensionsSlightly larger at 110mm x 170mm x 230mm to accommodate upgrades
Weight1050g
Interface/BusV – net/IP (with enhanced data transfer capabilities)
ComplianceCE, RoHS, IEC 61508 (SIL 3, an upgrade from SIL 2 in S01)
Supported ProtocolsModbus TCP, OPC UA, and now also supports Profinet for greater compatibility
Typical Power Draw6.5W (slightly higher due to increased processing power)
The YOKOGAWA ALE111-S50 is still a key component within Yokogawa’s Centum VP distributed control system (DCS). However, it features an upgraded processing core that enables it to handle up to 1,500 events per second, a 50% increase compared to the S01 model. This enhanced throughput is crucial in high – speed industrial processes where a large number of events can occur simultaneously, such as in fast – paced chemical reactions or high – volume manufacturing lines. It continues to integrate seamlessly with the system’s backplane, collecting data from a wide array of connected I/O modules, controllers, and field devices. But with the S50, the data filtering and categorization algorithms have been refined, offering more nuanced distinctions between critical alarms, which demand immediate attention, and less urgent informational events.
ALE111-S50.
Main features and advantages:
One of the significant advancements in the ALE111-S50 is its extended environmental tolerance. The operating temperature range has been broadened to – 10°C to 70°C, making it suitable for deployment in extreme climates, whether in cold storage facilities or hot, arid industrial regions. This resilience to temperature variations is complemented by improved shock and vibration resistance, ensuring stable operation even in environments with significant mechanical disturbances, like near heavy machinery in a mining operation or on an offshore oil platform.
Technical specifications:
Model NumberALE111-S50
BrandYOKOGAWA
TypeAlarm & Event Processing Module
Input Voltage24V DC (with enhanced voltage regulation for stability)
Operating Temp Range- 10°C to 70°C
Mounting StyleBackplane mounting (Centum VP rack)
DimensionsSlightly larger at 110mm x 170mm x 230mm to accommodate upgrades
Weight1050g
Interface/BusV – net/IP (with enhanced data transfer capabilities)
ComplianceCE, RoHS, IEC 61508 (SIL 3, an upgrade from SIL 2 in S01)
Supported ProtocolsModbus TCP, OPC UA, and now also supports Profinet for greater compatibility
Typical Power Draw6.5W (slightly higher due to increased processing power)
The ALE111-S50 offers several distinct advantages over its predecessor. Its enhanced processing speed and refined event categorization lead to a more efficient response to critical events. In a large – scale petrochemical refinery, for example, the S50 can reduce the time from an alarm occurrence to operator notification by up to 30%, compared to the S01. This quicker response time can prevent minor issues from escalating into major process disruptions, potentially saving millions in production losses.
For industries with strict regulatory compliance, the ALE111-S50’s upgrade to SIL 3 compliance and its advanced data security features, including encrypted event logging, provide an extra layer of assurance. The encrypted logging ensures that event data cannot be tampered with, which is essential for industries such as pharmaceuticals and nuclear power, where accurate and secure record – keeping is non – negotiable.
In terms of applications, the ALE111-S50 is particularly well – suited for industries operating in challenging environments. In deep – sea oil and gas platforms, where temperatures can vary widely and mechanical vibrations are constant, the S50’s extended environmental tolerance and high – speed event processing make it an ideal choice for monitoring equipment status, such as subsea valve operations and wellhead pressure changes. In large – scale power generation plants, especially those located in remote or harsh – climate regions, the S50 can effectively manage a large number of events related to turbine operations, generator performance, and grid – connection status.
Related products:
YOKOGAWA ALE112 – S50 – A high – capacity variant of the S50, offering extended storage for long – term event retention (up to 15 years), suitable for industries with extensive historical data requirements, such as aerospace manufacturing for quality control and regulatory compliance.
YOKOGAWA ALE111 – S01 (comparative model) – The base model, useful for comparison when considering upgrades. While reliable, it lacks the advanced features of the S50, such as the extended temperature range, higher event processing speed, and SIL 3 compliance.
YOKOGAWA ALR122 – S50 – A redundant alarm module pair based on the S50 technology, designed for mission – critical applications that require an even higher level of uptime, approaching 99.9999%. This is crucial for industries where any downtime can have catastrophic consequences, like in certain segments of the medical device manufacturing industry.
YOKOGAWA AEM102 – S50 – An upgraded event analysis software that pairs specifically with the ALE111 – S50. It offers more advanced analytics capabilities, including predictive analytics based on historical event data, to help industrial operators anticipate potential issues before they occur.
YOKOGAWA F3PU30 – 0N – A power supply unit optimized for the ALE111 – S50, providing stable power even in electrical environments with high levels of 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 Plus Gateway – A next – generation gateway that enhances the communication capabilities of the ALE111 – S50, allowing for seamless integration with a broader range of third – party SCADA systems and cloud – based monitoring platforms.
YOKOGAWA HMIW421 – An operator interface panel tailored for the ALE111 – S50, offering a more intuitive user experience with customizable dashboards for quick access to critical alarm and event information.
Installation and maintenance:
Before installing the YOKOGAWA ALE111-S50, it is essential to ensure that the Centum VP rack firmware is at least version 5.0. This updated firmware is required to fully utilize the S50’s advanced features, such as the enhanced event processing algorithms and new protocol support. Check the backplane power capacity carefully, as the S50 has a slightly higher power draw of 6.5W. Adequate ventilation around the module is crucial, 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 S50 has a more comprehensive set of status indicators. In addition to the standard green and red LEDs for normal operation and critical faults, it now includes an orange LED to indicate minor issues, such as impending storage capacity limits or minor communication glitches. 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.
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