N1/B1

Index for the PLC address, configured on Driver Settings Window

N2/B2

Command in TANN format, in which T is the data type (please check topic Data Types), A is the command type (hundreds, please check topic Command Types), and NN is the command (tenths and units, please check topic Writing Commands)

N3/B3

Starting address for writing

N4/B4

Starting bit for writing if data type is Bit or String size if data type is String