WAGO I/O-SYSTEM 750 Manual page 205

6.5.2.2.3 Determining the Master
1. Choose one of the modules to be the master and set byte 4 to 0x01
2. Execute the mailbox command "SetLocalDeviceRole" (opcode 0x56) for
3. Wait five seconds after the execution so that the internal Bluetooth
The remaining four Bluetooth
the factory setting.
Table 39: Mailbox command "SetLocalDeviceRole"
Byte
PD/O
PD/I
6.5.2.2.4 Querying the MAC Address
1. To query the MAC addresses of the master and slaves, use the mailbox
Table 40: Mailbox command "GetLocalMacID"
Byte
PD/O
PD/I
2. Take note of the return values of bytes 4 through 9 in Table 40 below:
Table 41: Entering return values
Byte
Master
Slave 1
Slave 2
Slave 3
Slave 4
WAGO-I/O-SYSTEM 750
I/O Modules
Example Configurations using WAGO-I/O-CHECK
(MBX_DEVICE_ROLE).
this module to assign it the role of master.
system can change over.
6 5
0x00 0x00
0x00 0x00
command "GetLocalMacID" (opcode 0x42) (see Table 40). Execute the
command for all modules.
10 9 8
0x00 0x00 0x00
0x00 0x00 0x06
9
0x00
0x00
0x00
0x00
0x00
®
modules are already configured as slaves by
4 Toggle
0x01 0x00
0x00 0x00
7 6 5 4
0x00 0x00 0x00 0x00
0xC6 0x__ 0x__ 0x__
8 7
0x06 0xC6
0x06 0xC6
0x06 0xC6
0x06 0xC6
0x06 0xC6
Appendix
Opcode empty
0x56 0x00
0x56 0x00
Toggle Opcode empty
0x00 0x42
0x00 0x42
6 5
0x___ 0x___
0x___ 0x___
0x___ 0x___
0x___ 0x___
0x___ 0x___
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®
sub-
C/S
0x20
0x60
C/S
0x00 0x20
0x00 0x60
4
0x___
0x___
0x___
0x___
0x___