Table 22: Control Byte C0; Table 23: Status Byte S0; Table 24: Control Byte C1 - WAGO 750-652/040-000 Manual

WAGO-I/O-SYSTEM 750 XTR
750-652/040-000 Serial Interface RS-232/RS-485 XTR
The structure of the control and status bytes is described in the tables below.

Table 22: Control Byte C0

Bit 7
RC
TR
RA
IR
SC
OL 0
OL1
OL2
RC

Table 23: Status Byte S0

Bit 7
RC
TA
RR
IA
IL0
IL1
IL2
BUF_F
RC

Table 24: Control Byte C1

Bit 7
0
OL3
OL4
OL5
0
Bit 6 Bit 5
OL2 OL1
Transmit request
Receive acknowledge
Initialization request
Send continuous (of data from the FIFO)
Output length (number of characters to be sent that were stored in the output
data, bit 0)
Output length (number of characters to be sent that were stored in the output
data, bit 1)
Output length (number of characters to be sent that were stored in the output
data, bit 2)
Reserved for internal communication
Bit 6 Bit 5
BUF_F IL2
Transmit acknowledge
Receive request
Initialization acknowledge
Input length (number of characters received that are available in the input data,
bit 0)
Input length (number of characters received that are available in the input data,
bit 1)
Input length (number of characters received that are available in the input data,
bit 2)
Buffer full (message: input buffer is full)
Reserved for internal communication
Bit 6 Bit 5
0
Output length (number of characters to be sent that were stored in the output
data, bit 3)
Output length (number of characters to be sent that were stored in the output
data, bit 4)
Output length (number of characters to be sent that were stored in the output
data, bit 5)
This constant must be set to 0.
Bit 4 Bit 3 Bit 2
OL0 SC
Bit 4 Bit 3 Bit 2
IL1 IL0
Bit 4 Bit 3 Bit 2
0 OL5
Process Image
Bit 1 Bit 0
IR RA TR
Bit 1 Bit 0
IA RR TA
Bit 1 Bit 0
OL4 OL3
Manual
Version 1.3.0
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