Block Transfer; Download Start Of A Block (Dld_Start, 0X01) - WAGO I/O-SYSTEM 750 Manual

6.3.2 Block Transfer

6.3.2.1 Download Start of a Block (DLD_START, 0x01)

The block transfer starts with the call up. A new DLD_START with no previ-
ous DLD_END breaks the transfer off and initializes a new transfer. The
command block is concluded by DLD_END.
Conditions
Request
Byte
Arguments
Operating
mode
Configur-
ation mode
WAGO-I/O-SYSTEM 750
I/O Modules
Mailbox size Operating mode/profile
6 12 18 Config.
● ● ●
7 6 5
2 2 2
0 MBX_DLD_START
1 T
2
3
4
5
Parameter
MBX_MB3
MBX_MB4
MBX_MB5
MBX_MB6
Mailbox Command References
Real-
Ad hoc
time
● - -
4 3 2
2 2 2
-
MBX_MB3
MBX_MB4
MBX_MB5
MBX_MB6
Value Description
0x01 Block type: RAM block
0x06 Write / read configuration
0x07 Read query result
0x09 Read name of the remote bus module
0x0A Read / write complete name of the local bus module
0x0B Read / write password of the local bus module
0x00 Number of the block in the whole transmission (LSB)
bit 0...5 Number of the block in the whole transmission (MSB)
bit 6, 7 0x80 - download, write to the module
(bit 6=0, bit 7=1)
0xC0 - upload, read from the module
(bit 6=1, bit 7=1)
Appendix
Device role
Save
config.
Master Slave
● ● -
1 0
2 2
• 105
Restart
-