Beckhoff KL3403 Series, Документация

Страница: 49 / 65

Access from the user program
KL3403 49 Version: 3.1.0
Bit CB1.7 CB1.6 CB1.5 CB1.4 CB1.3 CB1.2 CB1.1 CB1.0
Name RegAccess R/W Reg. no.
Key
Bit Name Description
CB1.7 RegAccess 1
bin
Register communication switched on
CB1.6 R/W 0
bin
Read access
1
bin
Write access
CB1.5 to CB1.0 Reg. no. Register number:
Enter the number of the
register [
}
51] that you want to
- read with input data word 1 read, or
- write with output data word 1.
CAUTION
No process data access during register communication!
It is not possible to access the data registers during register communication! Process data that may still be
displayed is not valid!
Status byte 1 in register communication
The status byte 1 (SB1) is located in the input image [ } 46] , and is transmitted from the KL3403 to the
controller.
Bit SB1.7 SB1.6 SB1.5 SB1.4 SB1.3 SB1.2 SB1.1 SB1.0
Name RegAccess R Reg. no.
Key
Bit Name Description
SB1.7 RegAccess 1
bin
Acknowledgment for register access
SB1.6 R 0
bin
Read access
SB1.5 to SB1.0 Reg. no. Number of the register that was read or written.
Control and status byte of the second channel (L2)
Control byte 2 (CB2) is in output image [
}
46] and is transferred by the controller to the KL3403 (structure
and application see Control byte 0 [
}
47] ). Pay attention to the assignment of the control bytes to the process
input data words in process data mode.
Status byte 2 (SB2) is in the input image [
}
46] and is transferred from the KL3403 to the controller
(configuration and application see Status byte 0 [
}
48] ).
Control and status byte of the third channel (L3)
Control byte 3 (CB3) is in output image [
}
46] and is transferred by the controller to the KL3403 (structure
and application see Control byte 0). Pay attention to the assignment of the control bytes to the process input
data words in process data mode.
Status byte 3 (SB3) is in the input image [
}
46] and is transferred from the KL3403 to the controller
(configuration and application see Status byte 0).