APPENDICES
Appendix 2 Network Status at Power ON/OFF and Board Reset During Data Linking
Appendix 2.1 Network status at power ON/OFF
App
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Appendix 2 Network Status at Power ON/OFF and Board Reset During
Data Linking
Appendix 2.1 Network status at power ON/OFF
(1) Without the external power supply function
When a CC-Link IE Controller Network board without the external power supply
function (Q80BD-J71GP21-SX, Q81BD-J71GP21-SX) is used, the network status
varies depending on the ON/OFF status of the personal computer as shown below.
(a) When the system is started
(b) When the system is shut down
No.
Time frame
Personal
computer
power
Loop
status
*1
Communication
status (baton
pass status)
*2
Data link status
of own station
(cyclic
transmission
status)
*3
Data link status
other than own
station (cyclic
transmission
status)
*3
1
Personal computer power OFF
- Before CC-Link IE Controller Network
board driver start-up
ON
Loopback
occurred
Error
Error
Normal
2
CC-Link IE Controller Network board
driver in operation
ON
Loopback
occurred
Error
Error
Normal
*4
3
After CC-Link IE Controller Network
board driver start-up
ON
Normal
Normal
Normal
Normal
No.
Time frame
Personal
computer
power
Loop
status
*1
Communication
status (baton
pass status)
*2
Data link status
of own station
(cyclic
transmission
status)
*3
Data link status
other than own
station (cyclic
transmission
status)
*3
4
Personal computer power OFF
OFF
Loopback
occurred
Error
Error
Normal
*4
