Enumeration members
FORCE_MULTIPLE_COILS
FORCE_MULTIPLE_COILS: = 15
FORCE_SINGLE_COIL
FORCE_SINGLE_COIL: = 5
PRESET_MULTIPLE_REGISTERS
PRESET_MULTIPLE_REGISTERS: = 16
PRESET_SINGLE_REGISTER
PRESET_SINGLE_REGISTER: = 6
READ_COIL_STATUS
READ_COIL_STATUS: = 1
READ_HOLDING_REGISTERS
READ_HOLDING_REGISTERS: = 3
READ_INPUT_REGISTERS
READ_INPUT_REGISTERS: = 4
READ_INPUT_STATUS
READ_INPUT_STATUS: = 2