bytes

Encode

Text → bytes

EncodingBytesLength

Number → bytes

Whole numbers (-42, 0xFF, 0b1010) or decimals (3.14, 1e-3, Infinity, NaN)
TypeBig-endianLittle-endian

Word order Modbus registers, PLCs

The number above as 32- and 64-bit values in the four common byte orders. Modbus sends 16-bit registers big-endian; many devices put the low word first (word swap).