|IN||VW, IW, QW, MW, SW, SMW, T, C, LW, AC, *VD, *AC, *LD||WORD|
|Memory Ranges||ENO||Errors||Instruction Support for S7-200 CPUs||SIMATIC/International Mnemonics|
|The Swap Bytes instruction exchanges the most significant byte with the least significant byte of the word (IN).
Error Conditions that Set ENO = 0:
SM4.3 (run-time), 0006 (indirect address)