ICP DAS USA GW-7553-B User Manual page 31

bytes digital output module(DO) and 4 words analog input module(AI).
In this case, the range of slot、index and length of each modules is shown in
below.
system setting module : slot -> 1, index -> 0 , length -> 1
2 bytes digital output module : slot -> 2, index -> 0~15 , length -> 1
4 words analog input module : slot -> 3, index -> 0~3 , length -> 2
GW-7553-B / GW-7553-M PROFIBUS/Modbus TCP Gateway User Manual (Version 1.35, May/2017)
PAGE: 31