Chapter 7 Integrated OBs, SFBs and SFCs
CPU ADAM 821x
7-34
ADAM 8000 Manual CPU 821x – Rev 1.1
The following table shows the most important indicator word states:
Messages at SEND
State under H1
Prio 0/1
Prio 2
Prio 3/4
State under TCP/IP
Prio 1
Prio 2
Prio 3
after reboot
0 A 0 A
0 A 0 A
0 0 0 8
after connection start
X 0 X 8
X 0 X 8
.....
after initial impulse
X 0 X 2
X 0 X 2
X 0 X 2
ready without error
X 0 2 4
X 0 2 4
X 0 2 4
ready with error
X No X 8
X No X 8
X No X 8
after RESET
X D X A
X D X A
X D X 8
Messages at RECEIVE
State under H1
Prio 0/1
Prio 2
Prio 3/4
State under TCP/IP
Prio 1
Prio 2
Prio 3
after reboot
0 A 0 A
0 A 0 A
0 0 0 1
after connection start
X 0 X 4
X 0 0 9
.....
after initial impulse
X 0 X 2
X 0 X 2
X 0 X 2
Telegram received
X 0 X 1
.....
.....
ready without error
X 0 4 1
X 0 4 5
X 0 4 5
ready with error
X No X 8
X No X 9
X No X 9
after RESET
X D X A
X D X A
X D X 9
Messages at READ/WRITE-ACTIVE
State under H1
Prio 0/1
Prio 2
Prio 3/4
State under TCP/IP
Prio 1
Prio 2
Prio 3
after reboot
0 A 0 A
after connection start
X 0 0 8
after initial impulse
X 0 X 2
READ ready
X 0 4 4
WRITE ready
X 0 2 4
ready with error
X No X 8
after RESET
X D X A
Important
indicator word
states
