readHoldingRegistersBytes abstract method

Future<Uint8List> readHoldingRegistersBytes(
  1. int slaveId,
  2. int address,
  3. int quantity
)

Read holding registers as bytes (FC 03).

Reads from 1 to 125 contiguous holding registers.

Parameters:

  • slaveId: The slave device ID (1-247)
  • address: Starting address of holding registers
  • quantity: Number of registers to read (1-125)

Returns: Raw bytes (quantity × 2 bytes, big-endian)

Implementation

Future<Uint8List> readHoldingRegistersBytes(
    int slaveId, int address, int quantity);