Pepperl + Fuchs RDO-TI-Ex8-FF, Rev 1 valid channel values

AI1 Channel = 1

AI1 Channel = 2

AI1 Channel = 3

AI1 Channel = 4

AI1 Channel = 5

AI1 Channel = 6

AI1 Channel = 7

AI1 Channel = 8

AI1 Channel = 9