Document Ref. EPD05183 (08.11.99) ENGLISH Part No. I380GB issue 2
page 4
Connections
Low voltage connections:
+, - 24 VDC power supply from dimmer to Master Panel
A, SC, B Data cable with screen
OVR, 0 Level override: connecting between OVR and 0 sets light output
of all channels to 100%
0V
1 2 3 4
10V Analogue 0-10V control for 4 channels
Mains voltage connections:
Mains voltage output for use with preheat transformers, switches
off only when all four channels are switched off.
1-4 Dimmed phase for individual channels.
NNeutral for individual channels.
L in Phase of incoming mains, alternatively as L1 of delta-network.
N in Neutral of incoming mains, alternatively as L2 of delta-network.
Earth connector block for all earth cables.
Control Wiring
24VDC supply cable: Wiring distance: max. 200 m
Supply voltage: 24 VDC nominal (20 VDC - 28 VDC), max.100 mA
Cable type: solid or stranded, shield is not required, 0.22 - 1.5 mm²,
1.0 mm² recommended, maximum loop resistance 8 Ohm
(4 Ohm/cable)
Level override: Wiring distance: max. 200 m
Cable type: see 24VDC supply cable specifications
Data cable: Control distance: max. 200 m
Signal type: RS 422/485 115 kbaud
Cable type: multistranded, twisted and shielded, 0.22 - 1.5 mm²,
attenuation max 62 dB/km at 1 MHz, characteristic impedance
80 ±20 Ohm,
recommended cable type Belden 8762, Alpha 2411C, Nokia NOMAK or
equivalent. A combined 24v DC supply and data cable available from
Electrosonic 100m (ES9910) 500m (ES9950).
Pushbutton cable: Control distance: max. 100 m
Signal type: digital, typically +10 VDC, min 0 VDC, max +20 VDC
Cable type: multistranded, twisted and shielded, 0.22 - 1.5 mm²
10 kbaud capable, maximum loop resistance 8 Ohm
(4 Ohm/cable), maximum capacitance 15 nF between any wires,
recommended cable type Belden 8762, Alpha 2411C, Nokia NOMAK or
equivalent
