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Modbus Exception 02? Check the Requested Address Range Before Retrying
An exception reply is diagnostic evidence. Preserve it and inspect the complete read request.
14 hours ago4 min read


Pulse Totaliser Dropped? Distinguish Counter Rollover from a Reset
A falling cumulative count needs an explanation before you calculate consumption.
22 hours ago4 min read


Concurrent Configuration Edits: Prevent Lost Updates with a Verified Revision Check
Two engineers can each save a valid configuration while the later save quietly removes the earlier change.
2 days ago3 min read


Modbus TCP Replies Crossed? Match Transactions Before Trusting the Register Value
A valid-looking register value can belong to the wrong outstanding request.
2 days ago3 min read


Offline Logger Timestamps: Budget Clock Uncertainty During Holdover
Specify how industrial logger timestamp uncertainty grows while its time reference is unavailable, with a hypothetical drift budget and recovery checks.
3 days ago4 min read


Modbus Gateway Timeouts: Build a Request Budget Before Adding Retries
Separate client timeouts, gateway queues and serial retries, then test a realistic Modbus read budget without increasing traffic blindly.
4 days ago4 min read


Why the TG463 is the Ultimate All-in-One Solution for Industrial IoT Deployments
Why the TG463 is the Ultimate All-in-One Solution for Industrial IoT Deployments
Apr 163 min read
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