The Handshake Byte; Figure 25: Use Of The Handshake Byte; Table 49: Structure Of The Handshake Byte; Table 52: Structure Of The Handshake Byte - WAGO SPEEDWAY 767 Series Manual
Serial interface (rs-232, rs-422/-485) 2 interfaces (2xm12) + 4 digital inputs/outputs (2xm12, two inputs/outputs per connector)
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86
Appendix
12.2.2.1
The Handshake Byte
In general, a distinction is made between Control(C) and Toggle(T) mode (bit 7).
The Control mode is used to synchronize the subscribers. The Toggle mode is
used to exchange data.
Structure of the handshake byte:
Table 49: Structure of the Handshake Byte
Bit 7
Bit 6
C/T
T
The following figure shows the basic use of the handshake byte.
Figure 25: Use of the Handshake Byte
Handshake byte
Bit 5
Bit 4
Bit 3
Status
Response
C/T
0x0
767-5203 Serial Interface (RS-232, RS-422/-485)
Bit 2
Bit 1
Bit 0
Control
Command
T
0x0
WAGO-SPEEDWAY 767
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