Page 1
3RU Series
Operator manual
Delta3RUV1.0.doc
December 2002
LSC Lighting Systems (Aust) Pty Ltd. 09/12/02
Page 2
Delta 3RU operator manual
1.0 INTRODUCTION 2
2.0 GETTING CONNECTED 3
3.0 OPERATION 4
4.0 DMX CABLE SELECTION 4
4.0 DELTA 3RU SPECIFICATIONS 5
5.0 DMX CONNECTOR PIN ASSIGNMENTS 5
LSC Lighting Systems (Aust) Pty Ltd. Page 1
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Delta 3RU operator manual
1.0 Introduction
The Delta 3RU Series consist of four products that perform power distribution. Each model
accepts a single 3-phase power input and provides multiple single-phase outputs. All
products include RCD output protection, individual MCB per channel and power status
indicators. The power status indicators include “power available” to indicate the presence of
3-phase power, a “Neutral fault” indicator and a “Earth fault” indicator.
Two models also have integrated 5 way DMX512A compatible data splitters.
The Delta 3RU Series are built into a 3RU 19” rack mounted chassis and have a variety of
output connector options to suit installation requirements.
The DMX512A compatible models are supplied with a single 5 pin DMX input XLR plug with
push button termination and a pass-thru 5 pin DMX output XLR socket to allow more splitters
to be cascaded to increase the total number of DMX outputs. The single DMX input is
electrically isolated then split into five separately buffered DMX output circuits that are
supplied with three 5 pin XLR sockets and two 3 pin XLR sockets.
Visual indicators include a “DMX terminate” to show that the DMX input termination is
active; a “DMX data” indicator to show when DMX data is detected and a “DMX power”
indicator to show that power is available to the internal DMX circuitry.
All Delta 3RU data splitters have full input to output isolation, input and output EMI filtering
together with short circuit and overvoltage protection.
LSC Lighting Systems (Aust) Pty Ltd. Page 2
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Delta 3RU operator manual
2.0 Getting Connected
Front panel
RCD output
Individual MCB
Integrated
Power status
DMX input
DMX data
DMX thru
DMX input
DMX data
Connectors
Rear panel
Power output
The pictures below show the front and rear connections of the Delta 3RU DT6S/16X.
brackets for 19”
rackmounting
output
protection
protection
indicators
status
indicators
connector
connector
terminate
button
output
LSC Lighting Systems (Aust) Pty Ltd. Page 3
Connector
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Delta 3RU operator manual
3.0 Operation
The Delta 3RU power/DMX splitters have been designed for quick and easy operation. A
brief operational instruction is detailed below.
1. Switch all MCB’s to the “off” position. Confirm the RCD Master switch is switched to the
“on” position. Make the required connections to the power output connectors.
2. Connect the Delta 3RU to a suitable power source and apply power. The “Power
available“ and “DMX power” indicators will illuminate. If the “Neutral fault” or “Earth
fault” indicators illuminate, immediately remove power and check the power source.
3. Individual MCB’s can now be switched to “on” as required.
4. For the DMX equipped models, connect a DMX source cable into the DMX input
connector of the Delta 3RU. The “DMX data” light will illuminate if DMX data is present.
5. If the splitter is to be the last device at the end of the DMX cable, then press the
termination button. The “DMX terminate” indicator light will now illuminate.
6. Connect the required DMX output cable/s to the DMX output connectors at the back of
the chassis.
7. DMX data present at the DMX input connector is now internally routed to all five DMX
output connectors.
4.0 DMX Cable selection
The performance of any DMX network is directly related to the quality of cable chosen to
convey the DMX information. DMX512 has a moderate data transmission rate of 250
Kbits/s, and therefore requires selection of a cable that does not significantly distort the signal
or give rise to signal reflections.
Typical characteristics for a good DMX network cable include;
• Twisted pair with Nominal impedance of 100-120 ohms.
• low capacitance.
• Fully encased with braid and foil shielding.
• Conforms to EIA 485 requirements.
Cables used with audio systems are not suitable for DMX512 networks as they typically have
higher capacitance, incorrect characteristic impedance and minimal shielding. At DMX512
data rates this can cause bit time distortion and signal reflections/overshoot.
LSC Lighting Systems (Aust) Pty Ltd. Page 4
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Delta 3RU operator manual
4.0 Delta 3RU Specifications
Model DT12/10A DT12/13A DT9S/13A DT6S/16W DT6S/16X DT6S/16UK
Number of power output
circuits
Output circuit capacity 10 Amp 13 Amp 13 Amp 16 Amp 16 Amp 16 Amp
Output circuit connector
Input power RCD module 63 Amp 63 Amp 63 Amp 63 Amp 63 Amp 63 Amp
Input power status indicators Yes Yes Yes Yes Yes Yes
DMX 5 pin Input & Thru
connectors
DMX output connectors
Inbuilt DMX termination switch
DMX Terminator Active LED
DMX512 data LED
Galvanic Isolation
barrier(Volts)
Short Circuit Protected
EMI Filtered Outputs
DMX512-A compatible
Universal DMX Power Supply
(VAC)
Auto Frequency Selection
(Hz)
19" Rack Mount 3RU Chassis Yes Yes Yes Yes Yes Yes
Conforms to CE regulations Yes Yes Yes Yes Yes Yes
Dimensions (mm) 480W x 133H x 275D.
Weight (kg) 9.0 unpacked, 20.0 packed.
12 12 9 6 6 6
Australian
3 pin
Australian
3 pin
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Australian 3
pin
Yes Yes Yes Yes
3 x 5 pin
2 x 3 pin
Yes Yes Yes Yes
Yes Yes Yes Yes
Yes Yes Yes Yes
1000 1000 1000 1000
Yes Yes Yes Yes
Yes Yes Yes Yes
Yes Yes Yes Yes
85-264 85-264 85-264 85-264
47-63 47-63 47-63 47-63
Weiland Socapex BSS UK
3 x 5 pin
2 x 3 pin
3 x 5 pin
2 x 3 pin
3 x 5 pin
2 x 3 pin
All models are made from corrosion resistant steel finish in black and
Construction
grey powdercoat with rear screened polycarbonate labels and integrated
19" rackmount brackets.
5.0 DMX Connector pin assignments
Connector pin
number
Pin 1 Common
Pin 2 DMX –ve in
Pin 3 DMX +ve in
Pin 4 Looped through Looped through Looped through Not used
Pin 5 Looped through Looped through Looped through Not used
LSC Lighting Systems (Aust) Pty Ltd. Page 5
XLR 5 pin input
connector
XLR 5 pin thru
connector
Common Ground
DMX –ve thru DMX –ve out
DMX +ve thru DMX +ve out
XLR 5 pin output
connector
XLR 3 pin output
connector
Ground
DMX –ve out
DMX +ve out
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Delta 3RU operator manual
LSC Lighting Systems (Aust) Pty Ltd
7 University Place
Clayton 3168
Victoria Australia
ABN 21 090 801 675
www.lsclighting.com.au
email : info@lsclighting.com.au
Delta3RUV1.0.doc
09/12/02
LSC Lighting Systems (Aust) Pty Ltd supplies the enclosed information in good faith. LSC Lighting Systems (Aust) Pty Ltd makes no
representations or warranties with respect to the contents or use of this manual and specifically disclaims any implied warranties
of merchantability or fitness for any particular purpose. Our policy is one of continual improvement and we reserve the right to
change circuitry, specifications or mode of operation of circuitry without obligation to notify any person or entity of such
LSC Lighting Systems (Aust) Pty Ltd. Page 6
Disclaimer
revisions or changes.
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