| No. 482 | SMG-5521 Official Firmware [v3.4.0_p2] | 2025-07-01 | ||
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 Version v3.4.0_p2 Date 2025-07-01 Changes 1. Connect to API Thing v33 2. Support time gap between two consecutive Modbus queries 3. Support saving error function for email notification and timeout. Go to F/W History |
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| Attachment | smg_5521_3.4.0_p2.poc |
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