User Manual

Table Of Contents
126 Appendix
Mailbox Command References
WAGO-I/O-SYSTEM 750
I/O Modules
6.3.5.6 Read Local Subnet Mask (GetLocalSubnetMask, 0x45)
With this command, the subnet mask (IPv4) of the local bus module is read.
Conditions
Mailbox size Operating mode/profile Device role
6 12 18 Config.
Real-
time
Ad hoc Master Slave
Save
config.
Restart
- - - -
Request
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
0 MBX_GETLOCALSUBNETMASK
1 T -
Response
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
0 MBX_GETLOCALIPSUBCLASS
1 T MBX_RESULT
2 Subnet Mask -Addr_1 (LSB)
3 Subnet Mask -Addr_2
4 Subnet Mask -Addr_3
5 Subnet Mask -Addr_4 (MSB)
Return values
Parameter Value Description
Subnet-Mask –Addr n [0...255] The bytes of the subnet mask