To manage the modules connected on network, the I/O Controller Unit can distinguish the modules by setting 3 IDs: Group ID, Unit ID and Device ID.
Group ID
Factory setting: 0 (CPU-CA series), 8 (N series)
Group ID is the ID switch that indicates whether I/O Assist Server is used and which I/O Controller Unit is managed by the I/O Assist Server.
▼ When using I/O Assist Server
Setting range: 0 to 7
Please set the Group ID of I/O Controller Unit to be managed to the
same as the Group ID of the I/O Assist Server.
For N series, it cannot be set because N series cannot be managed by I/O
assist server.
▼ When not using I/O Assist Server
Setting range: 8, A
If set to 8, the Unit ID will be the value set on the Unit ID switch.
If set to A, the Unit ID will be the value set (0 to 127) in the F&eIT
setting utility.
Unit ID
Factory setting: 0
Unit ID is the ID used to distinguish I/O Controller Unit in same Group ID. In concept, it is inferior to Group ID.
▼ When using I/O Assist Server
Setting range: 0 to 7
Up to 64 I/O controller units (= 8 groups (Group ID: 0 to 7) x 8 units
(Unit ID: 0 to 7)) can be used on the same network.
For N series, it cannot be set because N series cannot be managed by I/O
assist server.
▼ When not using I/O Assist Server
Setting range: 0 to 7 (for group 8), 0 to 127 (for group A)
Device ID
Factory setting: 0
Device ID is the ID used to distinguish device modules connected to one I/O Controller Unit. Device ID can be set to 0 to 7, so 8 modules can be distinguished at most. Do not duplicate Device ID for devices connected to one I/O Controller Unit.
Since the N series is an integrated device module, there is no Device ID setting. It is always 0.
Setting Method
The setting of each ID is set by the rotary switch on the module face.
Turn the switch to set.