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Download Introduction 4 Channel DALI Ballast Controller (474) Installation and
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Connections S-DIM / DMX TERM B SC 0V L N OVERRIDE A E SC 0V OVR C0 DA- DA+ Mains Supply 1 C1 1 DALI Mains Supply & DALI Mains Supply C0 2 2 Ballast Outputs C2 C0 Relay Outputs 3 C3 C0 3 4 C4 4 Override DALI Vin < 1.5 V Screen (if required) Ishort = 1 mA SW Close switch to cause level override DALI Devices Note 1: Functional earth connection used for DALI / S-DIM / DMX screens only Note 2: Do NOT connect DALI and S-DIM/DMX at the same time S-DIM / DMX Note: Maximum cable length = 50 m Relay Outputs 1 to 4 ii i Mains Supply S-DIM or DMX i iii i Input for override Note: Functional earth connection used for DALI / S-DIM / DMX screens only Lamps = S-DIM or DMX Data Cable (from previous device) ii = S-DIM or DMX Data Cable (to next device) iii= Link for Termination (if unit is at end of S-DIM/DMX cable line) Note: Keep unscreened wire lengths to a minimum Helvar 474 4 Channel Ballast Controller: Installation and User Guide Doc. 7860244, issue 4, 2014-08-28 1
