Write Local Bluetooth; Password (Setlocalpassphrase, 0X52) - WAGO I/O-SYSTEM 750 Manual

6.3.5.17

Write Local Bluetooth

With this command, the local password can be configured. The module calcu-
lates the "Link Key" from the locally saved password. This is necessary during
active authentication for the establishment and data encryption. The Blue-
tooth
municate with each other.
Note
Security quality depends on the selected password. The password should be
as long as possible and selected randomly.
Modules can only connect to each other if they have the same settings for
encryption, authentication and password.
Conditions
Request
Byte
Arguments
Parameter
MBX_PASSPHRASE_Length
MBX_ PASSPHRASE_Byte n
WAGO-I/O-SYSTEM 750
I/O Modules
®

Password (SetLocalPassphrase, 0x52)

®
password must therefore be identical for all devices intended to com-
Mailbox size Operating mode/profile
6 12 18 Config.
- (●) (●)
7 6 5
2 2 2
0 MBX_SETLOCALPASSPHRASE
1 T
2 MBX_PSW_Length
3
4
5
6
7 OPTIONAL MBX_PASSPHRASE_Byte 5
...
17 OPTIONAL MBX_PASSPHRASE_Byte 15
Mailbox Command References
Real-
Ad hoc
time
● - -
4 3 2
2 2 2
-
MBX_PSW_Byte 1
MBX_PSW_Byte 2
MBX_PSW_Byte 3
MBX_PSW_Byte 4
...
Value
[4...15]
Characters (ASCII)
Appendix
Device role
Save
config.
Master Slave
● ● ●
1 0
2 2
Description
Password length
Password as ASCII representation
• 139
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