Beckhoff KS2535, KL2545 Manual page 41

Register communication
Control byte 1 (in register communication)
Control byte 1 (CB1) is located in the output image [} 39], and is transmitted from the controller to the
terminal.
Bit CB1.7 CB1.6
Name RegAccess R/W
Legend
Bit Name
CB1.7 RegAccess
CB1.6 R/W
CB1.5 to Reg. no.
CB1.0
Status byte 1 (in register communication)
The status byte 1 (SB1) is located in the input image [} 39], and is transmitted from terminal to the controller.
Bit SB1.7 SB1.6
Name RegAccess R/W
Legend
Bit Name
SB1.7 RegAccess
SB1.6 R
SB1.5 to Reg. no.
SB1.0
Channel 2
The control and status bytes of channel 2 (CB2 and SB2) have the same structure as the control and status
bytes of channel 1.
KL2535/KS2535, KL2545/KS2545
CB1.5 CB1.4
Reg. no.
Description
1 Register communication switched on
bin
0 Read access
bin
1 Write access
bin
Register number:
Enter here the number of the register [} 42] that you wish
- to read with input data word DataIn [} 39], or
- to write with output data word DataOut [} 39].
SB1.5 SB1.4
Reg. no.
Description
1 Acknowledgement for register access
bin
0 Read access
bin
Number of the register that was read or written.
Version: 2.1.0
Access from the user program
CB1.3 CB1.2
SB1.3 SB1.2 SB1.1
CB1.1 CB1.0
SB1.0
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