Digidim 458 Dimmer Installation Guide
Helvar Ltd.
Doc. No. 7860186
Page 8
Issue 1 (10/7/2008)
Technical Data
Mains supply voltage:
85 VAC to 264 VAC
Supply frequency:
Protection:
45 Hz to 65 Hz
4 of 10 A MCBs for loads, 4 A MCB and PTC for control board (MCB
type C 10 kA)
Output regulation:
Supply current:
Nominal load:
DALI Supply:
TouchPanel Supply:
Automatic compensation for supply voltage and frequency variations
40 A (max)
8x5 A or 4x10 A loads
250 mA (max), 16 VDC (nominal)
250 mA (max), 16 VDC (nominal)
Conformity & Standards
EMC – Emission:
Immunity:
Safety – Safety:
Isolation:
IP rating:
Data transfer requirements
– DALI:
– S-DIM:
Environmental:
EN 55015
EN 61547
EN 60950
4 kV
20
EN 60929
Helvar protocol (RS485, 115 kbps)
Complies with WEEE and RoHS
Power consumption (excluding loads):
Thermal protection:
Installation:
1.3 W (with no DALI or TouchPanel PSUs used)
Control board – resettable fuse, power devices – thermal sensing
Vertically-mounted using four 4.5 mm mounting holes
Weight:
Dimensions (in mm):
Operating conditions
Temperature range:
Humidity:
11 kg
363 (L) x 311 (W) x 178 (D)
Storage temp. -10ºC to 70ºC
Ambient operating temp. 0ºC to 40ºC
90% max. (no condensation)
Cable Requirements
Note:
DALI cable must be mains-rated and the maximum voltage drop along the
length of the cable must not exceed 2V.
Connection
Cable Type
Cable Length
Dimmer Mains Supply
Solid core up to 10 mm
2
,
stranded up to 10 mm
2
N/A
Dimmer Channel Outputs
Solid core up to 4 mm
2
,
stranded up to 2.5 mm
2
N/A
DALI 1.0
mm
2
to 1.5 mm
2
(recommended)
Note: Supply output 250 mA (nom)
max. 300 m
@ 1.5 mm
2
S-DIM
Low loss RS485 type; multi-stranded,
twisted and shielded; 3 or 4 core plus
screen; 0.22 to 1.5mm
2
Recommended: one or two twisted pairs
(screened and earthed) e.g. ‘Belden 8102’
max. 1000 m
(without
repeater)
Override
Screened, twisted pair, 0.5 mm
2
to 1.5 mm
2
max.
50
m