Figure 14: Process Data Overlaid With Mailbox Or Register Data; Table 30: Process Data And Register Communication - WAGO I/O-SYSTEM 750 Manual

WAGO-I/O-SYSTEM 750
®
750-644 Bluetooth RF-Transceiver

Table 30: Process data and register communication

Mailbox activated
Mailbox
(Acyclic data,
6 byte ... 18 byte length,
from byte 2 to byte n)
Process data
(Cyclic or serial data,
0 byte ... 40 byte length,
from byte n+1 to byte m)
(Note validity of the data!)
The figure below graphically shows data overlaid by data from register
communication or Mailbox:

Figure 14: Process data overlaid with Mailbox or register data

Manual
Version 2.0.0, valid from FW/HW Version 03/03
Process data communication
Mailbox deactivated
(1 byte length, from byte 0)
(1 byte length, from byte 1)
Process data
(Cyclic data,
0 byte ... 46 byte length,
from byte 2 to m)
Control/status
Used internally
Process Image
Register communication
Register data
(2 byte length,
from byte 2 to byte 3)
Invalid data
(from byte 4 to byte m)
53