BECKHOFF ILxxxx-B520 - Manual (Page 12)

IO Data Mapping
9 ILxxxx-B520
2.1.1 IL230x-B520
Description
IO Data Type
Input Data
Output Data
4 x Digital Input + 4 x Digital Output, 24 V DC
Digital Signal, bit-oriented
4 Bit
4 Bit
2.1.2 IE100x
Description
IO Data Type
Input Data
Output Data
8 Channel Digital Input, 24 V DC
Digital Signal, bit-oriented
8 Bit
none
2.1.3 IE1502
Description
IO Data Type
Input Data
Output Data
2 Channel Up/Down Counter, 24 V DC, 100 kHz
Analog Signal, byte-oriented
10 Byte
Byte 0: Status, Channel 1
Byte 1: LowByte DataIn[0], Channel 1
Byte 2: HighByte DataIn[0], Channel 1
Byte 3: LowByte DataIn[1], Channel 1
Byte 4: HighByte DataIn[1], Channel 1
Byte 5: Status, Channel 2
Byte 6: LowByte DataIn[0], Channel 2
Byte 7: HighByte DataIn[0], Channel 2
Byte 8: LowByte DataIn[1], Channel 2
Byte 9: HighByte DataIn[1], Channel 2
10 Byte
Byte 0: Control, Channel 1
Byte 1: LowByte DataOut[0], Channel 1
Byte 2: HighByte DataOut [0], Channel 1
Byte 3: LowByte DataOut [1], Channel 1
Byte 4: HighByte DataOut [1], Channel 1
Byte 5: Control, Channel 2
Byte 6: LowByte DataOut [0], Channel 2
Byte 7: HighByte DataOut [0], Channel 2
Byte 8: LowByte DataOut [1], Channel 2
Byte 9: HighByte DataOut [1], Channel 2
(detailed description, see IE1502 manual)