An SOC display alone does not establish completed integration. The value may come from only some status messages or from cached data. It does not prove correct interaction for all limits, alarms and control states. Acceptance should cover the required data and states defined in the protocol, with equipment, firmware and test conditions recorded.
Suggested Acceptance Checks
| Check | What to Observe | Evidence to Retain |
|---|---|---|
| Data consistency | Units, direction, scaling and validity of SOC, voltage, current and temperature | Raw messages, decoded data and device displays |
| Operating constraints | Protocol transfer of permitted voltage, current and charge or discharge enable | Input limits, conversion results and device response |
| Alarms and states | Consistent alarm activation, clearance and state transitions | State sequences, timestamps and logs |
| Link loss and stale data | Detection and specified handling of stopped messages, lost links or invalid fields | Timeout definitions, trigger steps and actual behavior |
| Recovery and restart | Initialization and permitted recovery after reconnection or restart | Startup logs, recovery sequences and open issues |
How to Define Pass Criteria
Before testing, define input conditions, expected outputs, permitted tolerances or time windows, responsibility for device operation and evidence format. Charging and discharging tests are performed by the project party equipped to operate the system. A gateway must not fabricate normal states to bypass BMS or inverter protection. This table supports test planning; thresholds come from the device protocols and the agreed test plan.
How to Record Milestone Results
Record message decoding as field sample verification. Record partial interaction on a development board with its actual prototype scope. Device tests report pass, fail and unverified cases individually. Model or firmware changes need regression assessment. A single display observation does not replace unperformed operating conditions or continuous operation tests.
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