WAGO I/O-SYSTEM 750 Manual page 89

Figure 39: Register allocation of a Bluetooth
The input data of the Bluetooth
through 7. Register 2 contains the status byte and an empty byte. Register 3
through 5 contain the mailbox data. Register 6 and 7 contain the process data.
The data can be read with FC 3 (start address 2, length 6.
The output data is mapped to output register 0 through 5. Register 0 contains
the control byte and an empty byte. Registers 1 through 3 contain the mailbox
data. Register 4 and 5 contain the process data.
The data can be written with FC 16 (start address 0, length 6).
WAGO-I/O-SYSTEM 750
I/O Modules
1 2 3 4 5 6 7 8
DI DI
DI DI DI DI AI AI BT AO AO
452 644
402 402 402 602 602 550
Fieldbus-specific Additions
9 10 11 12 13
AI AI
AO AO AI AI DO DO
452 550 452 602 504 600
Input register
0
1
2
3
4
5
6
7
8
9
10
11
12
Output register
0
1
2
3
4
5
6
7
8
9
10
®
module
®
module is mapped to input registers 2
ETHERNET
Status
Mailbox
Mailbox Access to data with FC 3,
Start address 2, Length 6
Mailbox
Data
Data
Control
Mailbox
Mailbox
Access to data with FC 16,
Mailbox Start address 0, Length 6
Data
Data
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