Beckhoff KL2791 Series User Manual

Access from the user program
KL2791 33Version: 2.0.0
Key
Bit Name Description
SB.7 RegAccess 0
bin
Acknowledgment for process data mode
SB.6 Error 1
bin
A load-side short circuit was detected
SB.5 Temperature warning 1
bin
Overtemperature detected (> 80°C): The process data
are limited to 20% (the limitation is automatically reset
when the temperatures falls below 60°C)
SB.4 Overload 1
bin
Overload detected (e.g.when switching higher loads
on)
SB.3 to SB.1 Operation mode 0
dec
Full-wave control
1
dec
Mixed control
SB.0 Synchronous 0
bin
Terminal is not synchronized with the mains or a short
circuit was detected on the load side
1
bin
Terminal has synchronized itself with the mains*
Register communication
Control byte(for register communication)
The control byte(CB) is located in the output image [}32], and is transmitted from the controller to the
terminal.
Bit CB.7 CB.6 CB.5 CB.4 CB.3 CB.2 CB.1 CB.0
Name RegAccess R/W Reg. no.
Key
Bit Name Description
CB.7 RegAccess 1
bin
Register communication switched on
CB.6 R/W 0
bin
Read access
1
bin
Write access
CB.5 to CB.0 Reg. no. Register number:
Enter the number of the register [}34] that you
- want to read with input data wordDataIn [}32] or
- want to write with output data wordDataOUT [}32].
Status byte (for register communication)
The status byte(SB) is located in the input image [}32], and is transmitted from terminal to the controller.
Bit SB.7 SB.6 SB.5 SB.4 SB.3 SB.2 SB.1 SB.0
Name RegAccess R/W Reg. no.
Key
Bit Name Description
SB.7 RegAccess 1
bin
Acknowledgment for register access
SB.6 R 0
bin
Read access
SB.5 to SB.0 Reg. no. Number of the register that was read or written.

Beckhoff KL2791 Series Specifications

General

Brand	Beckhoff
Model	KL2791 Series
Category	Controller
Language	English