Notify external parties of the device's abnormal status! Introducing the solution for 'ST series products.'
The "contact input/output function" allows the device to notify external parties of abnormal conditions (internal temperature, internal power supply voltage, and WDT operation) through contact output. By coordinating with warning lights and display boards, it enables visual monitoring of device abnormalities by individuals other than system administrators. With the conversion function between contact signals and Ethernet, it is possible to relay contact input/output over Ethernet, connecting I/O devices between locations several kilometers apart. 【Target Devices】 ■ST13520 ■ST13116M ■ST13908M *For more details, please refer to the PDF materials or feel free to contact us.
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basic information
If there is a contact output function: 1. The CPU periodically accesses the main IC to perform status monitoring. 2. Responds to accesses from the CPU; in case of abnormalities, it either does not respond or displays internal parameter anomalies. 3. When both the main IC and the CPU are normal, the internal counter of the reset IC is reset. If an anomaly in the main IC is detected, the internal counter of the reset IC continues to count up (if the CPU itself is abnormal, it cannot execute the counter reset process). 4. The internal counter is reset by the counter reset from the CPU, and the device continues to operate. If there is no counter reset from the CPU, the internal counter reaches a threshold and executes a device reset. 5. When the WDT operates and the device is reset, it executes external contact output by checking the WDT log after the reset. *For more details, please refer to the PDF document or feel free to contact us.
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Company information
The ST series products are industrial Ethernet switch products that leverage our long-standing experience in network equipment development, providing the environmental resistance and high reliability required by social infrastructure systems. We also build networks tailored to our customers' needs, ranging from wired to wireless media, including industrial network products, security (quarantine, user authentication), VoIP systems, and streaming data transmission such as moving images. Our company offers comprehensive support from network design and construction to after-sales service. Please feel free to contact us if you have any requests.