90 Network Guide
If you connect a second expansion module of the same type to the controller's subnetwork
data bus, you must set at least one of the two expansion modules' MAC DIP switch to a
unique (that is, unused) subnet ID (MAC) address and then set the same value in Default
address in EC-gfxProgram. See "Manage Light and Sunblind Module Instances" in the EC-
gfxProgram User Guide.
Figure 58: In EC-gfxProgram: Default Address: Setting an Expansion Modules' Subnet ID (MAC)
Address for this Expansion Module Instance
Auto Learn Light and Blind/Shade Expansion Modules in EC-gfxProgram
In EC-gfxProgram, when the connection status for the controller is Connected, this scans the
controller's subnetwork data bus for connected expansion modules, when each expansion
module has a unique subnet ID (MAC) address on the controller's subnetwork data bus. Using
this feature will delete any previously configured expansion modules. See "Manage Light and
Sunblind Module Instances" in the EC-
gfxProgram User Guide.
Table 22: ECx-Light and ECx-Blind Series' Automatic Subnet ID Address when the DIP Switch is set to 0
Expansion Module Model Type
Auto-assigned Subnet ID Address when the
expansion modules' MAC DIP Switch is set to 0
(factory default position)
1 2 3 4
ECx-Light-4 (4 lights 230V) x
ECx-Light-4DALI (4 DALI buses) x
ECx-Light-4D (4 dimming lights) x
ECx-Blind-4 (4 blinds/shades 230V) x
ECx-Blind-4LV (4 blinds/shades 24V) x
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