Helvar 490 Blinds Controller 2Ch

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The 2-Channel 490 Blinds Controller is a DALI-compatible interface unit that allows control of blinds and curtains in a DIGIDIM lighting control system. The blinds controller is a DIN-rail mounted unit that provides two independent control channels, each with two single-pole, volt-free contacts for switching up to 550 W up/down or power direction motors from a DIGIDIM system.

The blinds controller is provided with a status LED, a physical selection switch and relay-state indicators. The status LED provides status and a fault indication. The physical selection switch is used to identify the device during system configuration. The relay-state indicator LEDs are illuminated when the respective relay is closed.

Note: This unit does not contain a DALI power supply. Therefore, one must be incorporated elsewhere in the system.

Up/Down mode operates in a ‘Break before Make’ manner to prevent motor damage.
Relays are internally isolated permitting separate mains phases to be controlled in one unit.
All DALI functions are programmed with DIGIDIM Toolbox software.
DIN-rail mounted and only 88 mm wide.