ProSoft Technology 5201-MNET-101S - Manual (Page 19)

IEC-101 Slave ♦ ProLinx Communication Gateway Start Here
IEC 60870-5-101 v3 Slave (Firmware version 3.xx) Protocol Manual
ProSoft Technology, Inc. Page 19 of 159
August 6, 2010
The following table defines the values and their associated operations:
Swap Code Description
No Swap No change is made in the byte ordering (1234 = 1234)
Word Swap The words are swapped (1234=3412)
Word and
Byte Swap
The words are swapped, then the bytes in each word are swapped (1234=4321)
Bytes The bytes in each word are swapped (1234=2143)