Siemens Simatic S5-101U - Receive Mailbox

Receive mailbox
The receive mailbox is in data block
DB1 (DW 40 ... DW72) and has the following
structure
:
l) Slave No. 0 = Master
DL 40
DL 41
DL 42
DL 71
DL 72
Send
mailbox
The send mailbox is in data block DB 1 (DW88.. .DW 112) and has the
following structure:
LENGTH of net
(0..
.64)
1st i tern of data
3rd item of data
61st item of data
63rd item of data
l) Slave No. 0 = Master
DR 40
DR 41
DR 42
DR 71
DR 72
DL 80
DL 81
DL 82
DL
111
Nett
data
Nett
data
SOURCE-SLAVE No.
(0..
.30)
2nd item of data
4th item of data
62nd
i tem of data
64th
itemof data
LENGTH of nett data
(0..
.64)
1st item of data
3rd item of data
61st item of data
For more detailed information on the SINEC L1 local area network, please refer to the
Instructions
(4NEB 811-0545) and Programming Instructions (4NEB 811-0546) of the SINEC L1
network
.
DW 40
DW 41
DW 42
DW 71
DW 72
DL 112 63rd item of data
DR 112
DR 80
DR 81
DR 82
DR 111
p p-
64th item of data DW 112
DESTINATION SLAVE No.
(0..
.30)
2nd item of data
4th
i tern of data
62nd item of data
.-
DW 80
DW 81
DW 82
DW
111