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• One bit is allocated for each node address. Participation Flags and Communications Error Flags are
allocated for each node type (Word Input Slave Units, Word Output Slave Units, Bit Input Slave Units,
and Bit Output Slave Units). One word is allocated for each 16 Slave Units.
Note: For I/O Slave Units, Participation Flags and Communications Error Flags are allocated to the Unit only as an
Input Slave Unit.
Checking the Status of Participation Flags and Communications
Error Flags
The status of buffer memory allocated to Participation Flags and Communications Error Flags can be
monitored from the GX-Developer.
1. Select Online − Monitor − Device batch from the menu.
2. The Device Batch Monitor Dialog Box will be displayed and monitor conditions can be set as shown
below.
Example: The following example is for the following settings: Communications mode 3, First remote out-
put register (RWw) address: 0, Gateway Unit with station number 1.
Supplemental Information
Write the ladder program so that it monitors the Gateway Unit and data link operating status to check
for errors on the CC-Link network.
Refer to documentation on the CC-Link Master Unit for details.
CompoNet Gateway Unit for CC-Link Operation Manual
The first address (W0) in the remote output register (RWw) area is registered.
Remote I/O Communications
The status of Participation Flags and Communi-
cations Error Flags (W8 to W0F) is displayed.
In this example, we can see that one Word Input
Slave and one Word Output Slave are participating
in the network.
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Troubleshooting
