background image

13 

Helvar 478 8 Channel DALI Controller: Installation and User Guide

Technical Data

Helvar Ltd 

Hawley Mill 

Hawley Road 

DARTFORD 

DA2 7SY 

UNITED KINGDOM 

www.helvar.com

Doc. 7860319, issue 5, 2019-01-28

Connections

Mains supply:

Solid core: up to 4 mm² 

Stranded: 2.5 mm²

DALI:

Wire section: 0.5 mm² – 2.5 mm² 

Max. length: 300 m @ 1.5 mm²

SDIM/DMX:

0.22 mm² – 1.5 mm² low-loss RS485 

type (multistranded, twisted and 

shielded)

Cable rating:

Mains, relay and DALI cables 

(including outputs) must be mains 

rated.

Power supply

Mains supply:

100 VAC – 240 VAC (nominal) 

85 VAC – 264 VAC (absolute) 

45 Hz – 65 Hz

External MCB 

protection:

Max. 6 A 

The external power supply must be 

protected.

Isolation:

Between mains supply, DALI outputs, 

DALI system, and SDIM/Override 

connectors. DALI channels are not 

isolated from each other.

Standby power:

No standby mode – DALI power 

provided for DALI channels.

Max. total losses:

7 W

DALI consumption:

2 mA (DALI system input)

Inputs

Control:

DALI, SDIM or DMX

Override (OVR):

Wired override input

User interface:

5 push buttons for configuration

Outputs

DALI:

8 output channels

Max. load per 

output:

128 mA (up to 64 devices, limited by 

current consumption)

Mechanical data

Material:

Polycarbonate/ABS mix, UL94 V-0

IP rating:

IP 00 (For installation in a restricted 

access location only.)

Mounting:

DIN rail mounting

Weight:

250 g

Module 

dimensions:

9 module width: 160 mm × 90 mm × 

62 mm

Operating conditions

Ambient 

temperature:

0 °C to +40 °C 

Relative humidity:

Max. 90 %, noncondensing

Storage 

temperature:

–10 °C to +70 °C

Conformity and standards

DALI:

EN 62386

SDIM:

Helvar SDIM protocol

DMX:

DMX512-A protocol

EMC emission:

EN 55015

EMC immunity:

EN 61547

Safety:

EN 61347-2-11

Environment:

Complies with WEEE and RoHS 

directives.

Software compatibility

Designer:

4.2.18 or higher

Toolbox:

2.3.3 or higher

Summary of Contents for Digidim DALI 478

Page 1: ...vices connected on the DALI output channel must be programmed using Helvar s Toolbox software Output levels received on the control inputs are broadcast on the corresponding output channel to provide...

Page 2: ...Contents Section Page Product description i Mounting environmental and clearance requirements 1 Installation 1 Connections 1 Configuration 4 Adjust channel levels using the buttons 5 Module Menu Opti...

Page 3: ...VAC DALI channels DALI channels Term B SC 0 V A 0 V OVR 1 2 3 4 5 6 7 8 D1 D D2 D D3 D D4 D D5 D D6 D D7 D D8 D SDIM DMX DA DA DA DA Override DALI control Mains supply AC L Live N Neutral E Earth Grou...

Page 4: ...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 SDI...

Page 5: ...signer or using the control panel buttons and the LCD Set override level for all channels or set different override levels for each channel Vin 1 5 V Ishort 1 mA 85 VAC 264 VAC 45 Hz 65 Hz OK OK OK OK...

Page 6: ...and configure options for all and individual channels Note that the 478 is intended for controlling DALI ballasts drivers and load interface units except for the 490 Blinds Controller Do not connect c...

Page 7: ...annel as required Press the RIGHT button after channel 8 to display the status information about the emergency devices on channel 1 If no emergency devices are present on that channel the main display...

Page 8: ...ther service related information Recall scene Recall a DALI scene Save as scene Save levels as a DALI scene Default scenes Reset DALI scenes to default settings Groups Group and ungroup DALI channels...

Page 9: ...the Emergencies screen Subsequently you can turn it on again with the UP button Sensors The following Helvar presence sensors can be connected to this unit as long as their firmware versions are 6 37...

Page 10: ...f channels This option is always available even when password protection is applied to other options Range scenes 1 16 Save as scene The levels which are currently active for all channels of the dimme...

Page 11: ...ride level regardless of external control signals Options Channel 1 8 ALL Override level 0 100 do not apply override level Default 100 Minimum level Set the minimum DALI lighting level that the channe...

Page 12: ...ns Channel 1 8 ALL On up button Off x down button Default x Set Toolbox mode When this mode is enabled each DALI output channel only acts as a power supply Any DALI compatible control gear or Helvar D...

Page 13: ...8 up button x down button Default x no Press OK to confirm new selection and a Done message appears The password lock will be applied after a period of 60 seconds from this message appearing Enter pas...

Page 14: ...BUS SHORTED Either DALI channel terminals are short circuited Or Too many devices have been connected to a channel and too much current is being demanded from the 478 Note The 478 also reports DALI l...

Page 15: ...Standby power No standby mode DALI power provided for DALI channels Max total losses 7 W DALI consumption 2 mA DALI system input Inputs Control DALI SDIM or DMX Override OVR Wired override input User...

Reviews: