Beckhoff KL6021-0023 Documentation page 26

Access from the user program
Key
Bit Name
SB.7 RegAccess
SB.6 R
SB.5 to Reg. no.
SB.0
Process data during the register communication
The process data that is displayed is set to zero during the register communication!
Process data mode
Control byte in process data mode
The control byte (CB) is located in the output image [} 25], and is transmitted from the controller to the
terminal.
Bit CB.7 CB.6
Name RegAccess -
Key
Bit Name
CB.7 RegAccess
CB.6 to -
CB.1
CB.0 NextTelegramReq 0/1
Status byte in process data mode
The status byte (SB) is located in the input image [} 25], and is transmitted from the terminal to the
controller.
Bit SB.7 SB.6
Name RegAccess Error
Key
Bit Name
SB.7 RegAccess
SB.6 Error
SB.5 -
SB.4 -
SB.3 BufferFull
SB.2 NewTelegram
SB.1 SameTelegram
SB.0 NextTelegramAck 0/1
26
Description
1 Acknowledgment for register access
bin
0 Read access
bin
Number of the register that was read or written.
CB.5 CB.4
- -
Description
0 Register communication off (process data mode)
bin
0 reserved
bin
By inverting this bit, the next EnOcean telegram in the input memory of
bin
the KL6021-0023 is copied into the process data.
SB.5 SB.4 SB.3
- - BufferFull NewTelegram SameTelegram NextTelegramAck
Description
0 Acknowledgment for process data mode
bin
1 The EnOcean telegram presently displayed in the process data of the
bin
KL6021-0023 has an incorrect checksum.
0 reserved
bin
0 reserved
bin
1 The receive memory of the KL6021-0023 is full.
bin
1 There is at least one new EnOcean telegram in the receive memory of the
bin
KL6021-0023.
1 The data currently displayed belongs to the same EnOcean telegram as the
bin
data previously displayed, because the telegram contains more than 4 data
bytes.
Acknowledgement of having copied the EnOcean telegram into the process
bin
data. The bit adopts the value of the control bit CB.0 [} 26] when the
telegram has been copied into the process data.
Version: 2.0.0
CB.3 CB.2 CB.1
- - -
SB.2 SB.1
CB.0
NextTelegramReq
SB.0
KL6021-0023 and KL6023