86 Appendix
WAGO-I/O-SYSTEM 750
750-658 CAN Gateway
Manual
Version 1.2.1, valid from FW/HW-Version 01/01
12.1.2.1 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 34: Structure of the Handshake Byte
Handshake byte
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Status
Control
C/T
Response
C/T
Command
T
0x0
T
0x0
The following figure shows the basic use of the handshake byte.
Figure 48: Use of the Handshake Byte