VIPA CPU 21 Series, Manual, Page: 344 / 394

Chapter 11 Integrated OBs SFBs SFCs Manual VIPA CPU 21x
11-42 HB103E - Rev. 05/45
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