Control And Status Byte - WAGO I/O SYSTEM 750 750-641 Manual

2.1.1.6.2.3 Control and Status Byte

The control byte bitdata is transmitted to the module to perform the function
required and the status byte returns the data from the module of the control
function. Command requests performed by toggling a bit. An allocated bit in
the status shows that the process is finished. This bit takes the value of the
request bit.
Control byte
TR
Transmit
Request
Status byte
TA
Transmit
Accepted
WAGO-I/O-SYSTEM 750
I/O Modules
Bit 0 Bit 1
RA IR
Receive Init Request
Accepted
Bit 0 Bit 1
RR IA
Receive Init
Request Accepted
750-641 [DALI/DSI Master Module]
Bit 2 Bit 3
Bit 2 Bit 3
Actor Frame
Error Error
Process Data
Bit 4 Bit 5 Bit 6
DALI
Active
Bit 4 Bit 5 Bit 6
Bus- Gen.
Error Error
• 17
Bit 7
always=0
Bit 7
always=0