2
Helvar 478 8-Subnet DALI Controller: Installation and User Guide
1.
Attach the 478 to a DIN rail
2.
Connect DALI channels wiring
2
4
1 3
DALI channels
3.
Connect control wiring: DALI or SDIM/DMX
Choose DALI (3a) or SDIM/DMX (3b).
DO NOT CONNECT SDIM/DMX AND DALI AT THE SAME TIME.
iii = SDIM or DMX Data Cable (from previous device)
iv = Link for Termination (if unit is at end of SDIM/
DMX cable line)
Note: Keep unscreened wire lengths to a minimum.
i = SDIM or DMX Data Cable (from previous device)
ii = SDIM or DMX Data Cable (to next device)
Note: Keep unscreened wire lengths to a minimum.
3a.
DALI
SDIM/DMX termination
SDIM/DMX wiring to next device
6 8
5
7
DALI channels
i
ii
vi
iii
3b.
SDIM/DMX