Beckhoff KL85 Series, Documentation

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Data structures of the modules
KL85xx und KL9309 62 Version: 2.1.0
5 Data structures of the modules
5.1 KL8519
5.1.1 KL8519 – Process image
The KL8519 is represented in the process image with 6 bytes each of input and output data. These are
organized as follows:
Byte offset Format Input data Output data
0 Byte
Status byte ( SB [
}
62] ) Control byte ( CB [
}
62] )
1 Byte Data byte 0 (input 1 to 8) Data byte 0 (green LED 1 to 8)
2 Byte Data byte 1 (input 9 to 16) Data byte 1 (green LED 9 to 16)
3 Byte reserved Data byte 2 (red LED 1 to 8)
4 Byte reserved Data byte 3 (red LED 9 to 16)
5 Byte reserved reserved
5.1.2 KL8519 - control and status bytes
Channel 1
Process data mode
Control byte 1 in process data mode
Control byte 1 (CB1) is located in the output image [ } 62] , and is transmitted from the controller to the
terminal.
Bit CB1.7 CB1.6 CB1.5 CB1.4 CB1.3 CB1.2 CB1.1 CB1.0
Name RegAccess - - - - - - -
Key
Bit Name Description
CB1.7 RegAccess 0
bin
Register communication off (process data mode)
CB1.6 - CB1.0 - 0
bin
reserved
Status byte 1 in process data mode
The status byte 1 (SB1) is located in the input image [
}
62] and is transmitted from terminal to the
controller.
Bit SB1.7 SB1.6 SB1.5 SB1.4 SB1.3 SB1.2 SB1.1 SB1.0
Name RegAccess - - - - - - -
Key
Bit Name Description
SB1.7 RegAccess 0
bin
Acknowledgment for process data mode
SB1.6 - SB1.0 - 0
bin
reserved