2 function code support, 3 read/write holding registers (0x03, 0x06, 0x10), 4 read input registers (0x04) – Emerson MONITORING OpenComms User Manual
Page 28: 5 read, set coil status (0x01, 0x05, 0x0f), Function code support, Read/write holding registers (0x03, 0x06, 0x10), Read input registers (0x04), Read, set coil status (0x01, 0x05, 0x0f)
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