Control And Status Byte - Beckhoff KS31 2 Series Manual

Data structures
Complete evaluation in Motorola format with word alignment
Requirements
Complete evaluation: yes
Motorola format: yes
Word alignment: yes
Key
Complete evaluation: In addition to the process data, the control and status bytes are also mapped into the
address space.
Motorola format: Motorola or Intel format can be set.
Word alignment: In order for the channel address range to commence at a word boundary, empty bytes are
inserted into the process image as appropriate.
SB n: Status byte for channel n (appears in the input process image).
CB n: Control byte for channel n (appears in the output process image).
Ch n D0: channel n, lower-value data byte
Ch n D1: channel n, higher-value data byte
reserved: This byte is assigned to the process data memory, although it has no function.
"-": This byte is not assigned or used by the terminal/module.
5.3

Control and status byte

Channel 1
Process data mode
Control byte 1 (for process data mode)
Control byte 1 (CB1) is located in the output image [} 41], and is transmitted from the controller to the
terminal.
Bit CB1.7
Name RegAccess -
Key
Bit Name
CB1.7 RegAccess
CB1.6 to CB1.2 -
CB1.1 CaliDisReq
CB1.0 StartManCali
Status byte 1 (for process data mode)
The status byte 1 (SB1) is located in the input image [} 41] and is transmitted from terminal to the controller.
Bit SB1.7
Name RegAccess Error
44
Address Input data
Word offset High byte
0 reserved
1 Ch1 D0
2 reserved
3 Ch2 D0
CB1.6 CB1.5 CB1.4
- -
Description
0 Register communication off (process data mode)
bin
0 reserved
bin
1 Blocking automatic calibration
bin
1 start manual calibration
bin
SB1.6 SB1.5 SB1.4
StateThreshold2
Version: 2.6.0
Output data
Low byte High byte
SB1 reserved
Ch1 D1 Ch1 D0
SB2 reserved
Ch2 D1 Ch2 D0
CB1.3 CB1.2 CB1.1
- - CaliDisReq StartManC
SB1.3 SB1.2 SB1.1
StateThreshold1 Overload
Low byte
CB1
Ch1 D1
CB2
Ch2 D1
CB1.0
ali
SB1.0
Underload
KL31x2/KS31x2