Beckhoff KL6811, Документация

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Access from the user program
KL6811 44 Version: 2.0.0
Process data words in DSI mode
Process output word (DataOUT)
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Name reserved DSI dimming value
Legend
Bit Name Description
15 to 8 - reserved
7 to 0 DSI dimming
value Here you can specify the 8-bit dimming value for all DSI slaves.
Process input word (DataIN)
In DSI mode, the process input word has no function.
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Name reserved
5.2 Control and status byte
Process data mode
Control byte in process data mode
The control byte (CB) is located in the output image [
}
43] , and is transmitted from the controller to the
KL6811.
Bit CB.7 CB.6 CB.5 CB.4 CB.3 CB.2 CB.1 CB.0
Name RegAcces
s - - - - RepeatASC Toggle
Legend
Bit Name Description
CB.7 RegAccess 0
bin
Register communication off (process data mode)
CB.6 R/W 0
bin
Read access
CB.5 to CB.2 - reserved
CB.1 RepeatAS
C 0
bin
The KL6811 does not repeat the application-related expansion
commands [
}
55] (224
dec
-255
dec
) not.
1
bin
The KL6811 also repeats the application-related expansion commands
[
}
55] (224
dec
-255
dec
).
CB.0 Toggle With each edge change of the toggle bit, the KL6811 sends a DALI or DSI
telegram. The telegrams can be transmitted at intervals of 25 ms, i.e. within 100
ms the KL6811 can send a maximum of 4 telegrams.
Depending on the content (with or without return channel), the duration of a DALI
telegram cycle is between 25 and 43.34 ms. The end of a DALI telegram cycle is
indicated by an edge of the toggle bit in the status byte (
SB.0 [
}
44] ).
Status byte in process data mode
The status byte (SB) is located in the input image [
}
43] , and is transmitted from KL6811 to the controller.