10.3 CC IE Control Network Diagnostics
10.3.1 Network information display
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(3) Display position of a disconnected station
There are two cases for positioning a disconnected station on the screen.
(a) When normal connection information has been obtained
*1*2
The disconnected station (station No.4) is displayed in the position where it was
connected when normal.
(b) When normal connection information has not been obtained
The disconnected station (station No.4) is displayed on the IN side of the GX
Developer connected station.
* 1 The normal connection information is network configuration data that the CC-Link IE controller
network module on the GX Developer connected station stores in its memory when all stations are
normal. When all of the following conditions are met, the normal connection information can be
obtained. Also, after any of the conditions became unsatisfied, if all of them are met again, the
normal connection information will be updated.
All stations are in data link status (Cyclic transmission status of each station (SB00B0) is OFF.)
No loopback station (Loopback status (SB0065) is OFF.)
No station has a parameter error. (Parameter status of each station (SB00E0) is OFF.)
The number of actually connected stations is the same as the total of stations that is set for the
control station (except reserved stations).
* 2 For obtaining the normal connection information, there are restrictions on the version of the
CC-Link IE controller network module on the GX Developer connected station. Check the serial
No. and software version for applicability.
Appendix 3 Functional Upgrade of CC-Link IE controller network
Remark
(1) If the system was rewired after system activation, set Normal connection
information refresh instruction (SB000C) to ON to update the normal
connection information.
Appendix 1 Link Special Relay (SB) List
(2) If station No. of a disconnected station (No.4) is set to an invalid value (station
No.9) by mistake after acquisition of the normal connection information, the
icon of the station will be displayed on the IN side of the GX Developer
connected station.
Figure 10.17 When normal connection information has been obtained
Figure 10.18 When normal connection information has not been obtained
Figure 10.19 Display example
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