DDX 60c Operating Manual
Contents
1. 1 switch on Revision 2 2 6 May 1999 12 OPERATING MANUAL JANDS DDX60c 5 0 Fault Finding 5 1 Fault Finding Table Fault Symptom Possible Cause No power indication Blown fuse Replace fuse Mains disconnected Reconnect mains cable Front panel switch not on Turn on power switch Power supply fault Replace power supply No DMxX signal indication Input cable fault Replace reconnect cable DMX source not transmitting Replace source Display shows bAt on power Replace internal backup battery up Erratic or no analog output Faulty DMX cable Replace cable Faulty analog cable Replace cable Bank selected not valid Check what channels are being sent by the control desk DMX protocol incorrect Check replace DMX source Revision 2 2 6 May 1999 13 OPERATING MANUAL JANDS DDX60c 6 0 Installation The DDX 60 is designed for mounting in standard 19 inch equipment racks Adequate ventilation should be provided around the top of the chassis however no blank spaces are required above or below the DD X 60 specifically for ventilation of this device Note that such spaces may be necessary to prevent the ambient temperature from rising above the maximum if other heat producing devices are mounted in the same rack No rear mounting is necessary due to the low weight of the unit Ensure adequate power cable and fuse replacement access when rack mounting The power entry is located at the rear left w2. May 1999 5 OPERATING MANUAL JANDS DDX60c FEATURES gt Advanced software features make the DD X 60 operator friendly In built Test software aids system testing and lamp focusing e Output Hold facility retains the output levels present immediately prior to disconnection of the digital data cable e Internal memory stores bank setting and backup Snapshot facilities Low battery display notifies operator when internal battery needs replacing gt Accepts DMX 512 protocol e This is the digital multiplex system specified by the USITT Using this protocol allows the DDX 60 to be used with a variety of existing and future equipment without the need for costly interfaces and converters e Allows existing analogue systems to be upgraded to digital control simply and effectively without having to invest in a complete digital system gt Control Line Output Drive e To optimise the data transmission each DDX 60 operates as a repeater for the DMX 512 control line retransmitting the data instead of simply receiving only In the event of a power failure the control line is automatically switched through maintaining signal to other receiving units Full 8 bit conversion giving smooth unstepped response 60 output channels for direct connection to analogue dimmer control inputs All analogue outputs are short circuit protected Outputs on 15 pin D connectors suitable for temporary or permanent installations In
3. Terminations D CONNECTOR CHANNEL OUTPUT PIN CONNI CONN2 CONN3 CONN4 CONNS 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 ose MANUAL ENDS cyw Revision 2 2 6 May 1999 17 OPERATING MANUAL
4. DDX 60c 60 Channel Digital Demultiplexer OPERATING MANUAL JANDS DDX60c EMC COMPLIANCE This product is approved for use in NOTE This equipment has been tested and Europe and Australia New Zealand found to comply with the limits for a Class B and conforms to the following digital device pursuant to Part 15 of the FCC standards Rules These limits are designed to provide reasonable protection against harmful European Norms Australian New interference in a residential installation This Zealand Standards equipment generates uses and can radiate radio frequency energy and if not properly installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by To ensure continued compliance with EMC Directive 89 336 one or more of the following measures and the Australian Radiocommunications Act 1992 use only high quality data cables with continuous shield and Conformance has been achieved for intended usage in environment El Residential reorient or relocate the receiving antenna connectors with conductive backshells Examples of such increase the separation between t
5. ata from a lighting control desk or similar into an analog 0 to 10 volts DC for use with older analog input wire per channel dimmers The use of digital multiplexing allows up to 512 control channels to be transmitted through a single shielded pair cable saving on both cost and weight over a standard analogue system Description Each DDX 60 decodes signals which conform to USITT DMX 512 specification and converts them to their analogue equivalent This specification allows for up to 512 control channels to be sent via a balanced digital line Each DDX 60 decodes a bank of 60 channels as selected by the switches on the front panel Where more than one DDX 60 is used in system the digital line is daisy chained using the DMX OUT connector on the front panel Each DDX 60 on this line will terminate the line and re transmit the control information automatically resulting in optimum signal transmission in bad conditions The 60 analogue outputs are directly compatible with most existing wire per channel receivers such as dimmers and colour scrollers being 0 to 10 Volts DC The outputs are terminated on five 15 pin D connectors on the front suiting both temporary and permanent applications The DDX60 is designed to run from most mains power systems It will accept an input voltage from 100 to 240V AC 50 60Hz Each unit comes ready to mount in a standard 19 rack and occupies one rack space 174 inches Revision 2 2 6
6. dustry standard input link connector 5 pin AXR Reduced cable costs size and weight 100 265 Volt AC universal mains operation Two year warranty Australia only Vv Vv WK v v v V V WV Steel 19 single rack unit chassis Revision 2 2 6 May 1999 6 OPERATING MANUAL JANDS DDX60c 2 0 Equipment Description IRST CHANNE DDX 60 G p p ed pd p Alle 12 1924 56 97 48 so O CO Figure 2 1 Front panel layout Physical layout Figure 2 1 above shows the layout of the front panel The following is a short description of the labelled items 1 10 POWER SWITCH Turns mains supply on and off DMX IN CONNECTOR DMX signal mput from control desk DMX OUT CONNECTOR DMX through signal for daisy chain distribution to other DMX devices ON LED Low voltage supply OK and software initialisations completed 3 DIGIT LED DISPLAY Displays channel start and test information SIGNAL LED Indicates when the unit is receiving DMX signal SWITCH Used for changing the start channel and test functions SWITCH Used for changing the start channel and test functions SEL SWITCH Must be pressed with the or switch to change banks Functions as an Escape switch when DDX 60 is in Test mode 66 99 DB15 OUTPUT CONNECTORS Twelve sequential 0 to 10 volt DC analog outputs appear
7. e leads should be wired as in Appendix A If more than one DDX 60 is to be driven from the one control desk plug a daisy chain lead from the first DDX 60 DMX OUT socket to the next unit s DMX IN socket Rack Mounting The DDX 60 has been designed to be installed in a standard 19 rack and occupies one rack space When mounted with dimmers it should be placed beneath the dimmers to minimise heat build up Slide the unit into its position in the rack and secure using four rack screws When mounted in a rack ensure adequate access to the mains input socket at the rear left of the unit when viewed from the front for replacement of the mains fuse Revision 2 2 6 May 1999 age OPERATING MANUAL 4 0 4 1 4 2 4 3 JANDS DDX60c Operating Notes To Select A Bank The DDX 60 selects a bank of 60 sequential channels from the possible 512 available on the DMX 512 line and shows the number of the first decoded channel on the 3 digit LED display The and switches on the front panel are used to select the start channel of the bank of 60 to be decoded To prevent accidental changing of these switches once set the SELect switch must be pressed with the or to actually change the start channel Pressing SEL and will increment the start channel whilst SEL and will decrement it Holding down both switches will fast increment or fast decrement the Display Pressing all three
8. e of Contents Table of Contents 1 0 1 1 2 0 2 1 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 4 0 4 1 4 2 4 3 4 5 4 6 4 7 Introduction sarannannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnenen NB er i 610 C0 EEN Equipment Description Physical La E ET due Stated PEE MAINS Suppe ee e Connecting DMX 512 mput eee eeeneeeeeeseneeeeeeeeeeeeenaes Connecting DMX 512 outputs Power up SEGUCTICES ciapi hio ancona n a Eni Output Voltage Austen Lasse Operating Notes nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnr Te Select A Bk san re Norma Ee eaii r nte e Sate Tenai Snapshot Backup Operaton EEN NR E DEET 252 EIER eege 150 TEE IEA INE ES re 4 5 1 Test 1 Channel on issues 4 5 2 Test 2 Sequential Chase sin iad criatiacends 453 Vest 3 Fade channel EE 4 5 4 Test 4 Channel DMX eee eecceceeceeeeeeeeeeeeeees Interruptions ssnstinin iiite siia Power up Modes used Revision 2 2 6 May 1999 3 OPERATING MANUAL JANDS DDX60c 5 0 FaultFINGING PR 13 TFT 13 JE eg innerer 14 dl Mett 14 8 0 Technical Specifications esse 15 Appendix A Connector Pinouts ns 16 Revision 2 2 6 May 1999 4 OPERATING MANUAL 1 0 1 1 JANDS DDX60c Introduction The JANDS DDX 60 is a professional digital receiver lme driver designed for use in digital multiplex control systems Its principle function is to decode 60 channels of DMX 512 serial digital d
9. es per channel Construction Zinc plated all steel chassis Dimensions D 120mm W 483mm H 44mm Weight 2 1 kg Ingress protection rating IP20 Rack mounting requirements Revision 2 2 6 May 1999 I x 19 rack space standard spacing for mounting holes No extra ventilation requirements No blank spaces required between units Power inlet at rear left looking from front of unit Power access required for mains fuse replacement 15 OPERATING MANUAL JANDS DDX60c Appendix A Connector Pinouts DMX connector pin outs PIN No CONNECTION CONNECTION DMX IN DMX OUTPUT RC NETWORK TO CHASSIS CHASSIS IN OUT IN OUT NC NC NC NC 5 1 e O 4 3 2 O O DMX OUT CONNECTOR 1 5 O O 2 3 4 O O DMX IN CONNECTOR Suitable cable types Hartland HC2522 I pair shielded Belden 8101 1 pair shielded Belden 8102 2 pairs shielded It is recommended that the specified cable type be used in all conditions However for short runs other cable types will operate successfully Experimentation is the best method for determining the suitability of a cable Note that the cable must have two cores within the shield Note also that digital control cables should NEVER be Y split to obtain two outputs If more than one output is required an active splitter box should be used Revision 2 2 6 May 1999 16 OPERATING MANUAL JANDS DDX60c D Connector Pin
10. es pressed or by pressing SEL when in Test 2 This test continuously fades up and down the selected channel from off to full to off to full etc Pressing the and switches changes the selected channel Revision 2 2 6 May 1999 11 OPERATING MANUAL 4 5 4 4 6 4 7 JANDS DDX60c Test 4 Channel DMX Test 4 is accessed by turning on the DDX 60 with the switch pressed or by pressing SEL when in Test 3 This test displays in Hexadecimal 00 to FF the current DMX level information for a selected channel of the first 60 DMX channels Pressing or changes the selected channel The selected channel number 1s displayed whilst the switch is held down and the channel level is displayed on releasing the switch Pressing SEL exits to Snapshot If Snapshot is not required press SEL once more to exit Test mode Interruptions Should the DMX cable become disconnected or the control console stop transmitting the DDX 60 will continue to output the last received information until switched off When reconnected to a working DMX source the outputs will be updated If the mains power to the DDX 60 is interrupted the unit will retain the same bank settings and Snapshot when turned on again provided the internal battery is not flat Power up Modes ET Co o o0 Nomi HEADER SES o te mer EEE SEE Tei Tei Snapshot Record Clear Snapshot Replay 0 switch off
11. he cables are equipment and receiver DMX Belden 8102 100 Aluminium foil screen 65 connect the equipment into an outlet on a Copper braid different circuit from that to which the receiver is connected consult the dealer or an experienced radio television technician for help JANDS ELECTRONICS PTY LTD 1999 All rights reserved DISCLAIMER Information contained in this manual is subject to change without notice and does not represent a commitment on the part of the vendor JANDS ELECTRONICS P L shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual It is recommended that all service and repairs on this product be carried out by JANDS ELECTRONICS P L or it s authorised service agents JANDS lighting products must only be used for the purpose they were intended by the manufacturer and in conjunction with the user manual JANDS ELECTRONICS P L cannot accept any liability whatsoever for any loss or damage caused by service maintenance or repair by unauthorised personnel or by use other than that intended by the manufacturer Disconnect mains power when not in use Manufactured in Australia by JANDS ELECTRONICS PTY LTD ACN 001 187 837 40 KENT RD LOCKED BAG 15 MASCOT NSW 1460 AUSTRALIA PHONE 6 1 2 9582 0909 FAX 61 2 9582 0999 INTERNET www jands com au Revision 2 2 6 May 1999 2 OPERATING MANUAL JANDS DDX60c Tabl
12. hen viewed from the front 7 0 Maintenance WARNING DO NOT ALLOW THE ENTRY OF LIQUIDS OF ANY SORT INTO THE DDX 60 With care the DD X 60 will require little or no maintenance If a fault develops refer to the FAULT FINDING TABLE in Section 5 1 If the unit will still not perform as described the DDX 60 should be taken to an authorised JANDS distributor for professional service Use a mild detergent and water with a soft cloth or paper towel to clean external surfaces taking care to prevent water entering the chassis DO NOT spray liquids onto the panels DO NOT use solvents for cleaning the panels Revision 2 2 6 May 1999 14 OPERATING MANUAL JANDS DDX60c 8 0 Technical Specifications JANDS DDX 60 DIGITAL DEMULTIPLEXER SPECIFICATIONS Mains Supply Fuse 100 240V AC 50 60Hz fully earthed 2A M205 delay type Switch on surge 8A maximum for one mains half cycle 10 msec Power consumption 25VA maximum Operating Temperature 45 C maximum ambient DMX Connections DMX In DMX Out DMX Connectors 5 pin AXR Input Signal Electrically must conform to RS485A Data Protocol Must conform to full speed USITT DMX 512 1990 specification 250K baud start bit 8 data bits 2 stop bits no parity Output Impedance 100 ohms Analog Outputs Sixty 60 0 to 10 volts DC Output connectors 15 pin D connector Output Protection 100 Ohm seri
13. on each of these five connectors Revision 2 2 6 May 1999 27 OPERATING MANUAL 3 0 3 1 3 2 3 3 3 4 3 5 JANDS DDX60c Getting Started Mains Supply The power supply in the DDX 60 is a universal switching type and will run reliably from mains voltages of 100 to 240 volts AC 50 60 Hz There is no need for the user to make any adjustments to the power supply or the wiring Connecting power Connect a standard IEC plug and cable to the DDX 60 inlet socket Switch the front panel POWER switch on The red POWER LED will light if the DDX 60 is operating NOTE The DDX 60 must be connected to a 3 pin earthed power source Use of 2 pin non earthed power sources will reduce the ability of the DDX 60 to protect against high voltage shield faults Connecting DMX 512 input The DDX 60 input signal should conform to the USITT DMX 512 1990 specification The DMX 512 input connects to the DMX IN socket on the front panel Turn off connect a digital control source and turn on again The green SIGNAL LED will light if the digital control data is of the correct protocol and data rate See Appendix for connector wiring details Connecting DMX 512 outputs The DDX 60 output signals are an amplified copy of the input signal Connect the DMX OUT to the next unit s DMX IN if multiple receivers are being used See Appendix A for connector wiring details Power up sequence When powering up a system should be
14. powered up in the order it appears in the DMX 512 system starting from the console and proceeding to any splitters or softpatches and finally to the dimmers or fixtures The DDX 60 should be powered up in its appropriate position in the system This procedure minimises the risk of producing the lighting equivalent of an audio thump and prevents damage to lamps dimmers and other controlled devices Use the reverse procedure when powering down Revision 2 2 6 May 1999 8 OPERATING MANUAL 3 6 3 7 3 8 JANDS DDX60c Output Voltage Adjustment As supplied a DDX 60 will output 10 Volts DC at full This may be adjusted over the range 9V to 11V if required to interface to non standard equipment or to compensate for cable voltage drops If so unplug the power lead and remove the lid 6 screws to gain access to the Output Trim adjustment VR1 located at the upper right of the PCB Apply power and run Test 1 see section 4 5 1 Referrmg to Figure 3 6 adjust the Output Trim level to give the required output voltage preferably measured with a digital voltmeter between pins 1 and 15 of the first D connector All channels will now output to the new level Figure 3 6 Output Trim adjustment Wiring The analogue outputs are arranged in five groups of twelve channels to simplify the interface between the DDX 60 and 12 channel dimmers Plug in the appropriate leads and screw the retaining screws home Again th
15. switches together will select channel 1 eg If the display shows 13 then the DDX 60 channel 1 output will be channel 13 of the received DMX signal Channel 60 will therefore be channel 72 of the DMX signal If the and SEL switches are now pressed the display will then show 12 as the first channel to be decoded so DDX 60 channel 1 output corresponds to channel 12 of the DMX and DDX 60 channel 60 output will be channel 71 of the DMX Note If desired more than one DDX 60 can be set to the same or overlapping banks resulting in parallel outputs Normal Operation The green SIGNAL LED lights when the data is updated If the LED flashes or does not light refer to the FAULT FINDING TABLE in Section 5 1 If the control console stops transmitting or the control line is severed the DDX 60 holds the levels present immediately prior to the data loss When the memory backup battery is getting towards the end of its life the DDX 60 will alert the user by displaying bAt on the LED display immediately after being turned on This display will remain on until the SEL switch is pressed after which the DDX 60 will resume normal operation If the bA indicator is displayed the internal battery should be replaced to prevent the DDX 60 forgetting its settings when turned off CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the man
16. the and SEL switches pressed The display should now show Pressing the switch will clear the DMX information stored in the Snapshot memory to all zeroes and the display will show CLr for 2 seconds as verification before reverting to the normal display Test Modes There are several Test modes on the DDX 60 to assist with lamp patching and focusing and also troubleshooting When in these Test modes the Display will show a t in the left digit Test 1 Channel on Test 1 is accessed by turning on the DDX 60 with the SEL switch pressed The display will show t 1 and channel 1 output will be turned on at full Pressing the switch will turn on channel 2 output and turn off channel 1 Pressing again will turn on channel 3 output etc Pressing the switch decrements the channel output Decrementing channel 1 will wrap around to channel 60 This mode enables the lamps to be tested or focused without the need for a lighting console to be connected Test 2 Sequential chase Test 2 is accessed by turning on the DDX 60 with the switch pressed or by pressing SEL when in Test 1 This test automatically turns on and off each channel in sequence The rate can be changed with the and switches with four rates available from slow to fast Test 3 Fade channel Test 3 is accessed by turning on the DDX 60 with the and SEL switch
17. ufacturer Dispose of used batteries according to the manufacturer s instructions Snapshot Backup Operation The DDX 60 provides an emergency backup mode for the situation where the control desk crashes or the DMX signal is interrupted for some time The DDX 60 will hold the last received transmission in memory but if this is not suitable for the activity on stage the DDX 60 can recall a pre recorded Snapshot of up to 512 channels Revision 2 2 6 May 1999 10 OPERATING MANUAL 4 3 1 4 3 2 4 3 3 4 5 4 5 1 4 5 2 4 5 3 JANDS DDX60c Record To record a Snapshot the DDX 60 must be receiving DMX The illuminated green Signal LED will confirm this Turn off the Power switch and turn on again with the and SEL switches pressed The display should now show Pressing the switch will record the DMX information into the Snapshot memory and the display will show SnP for 1 second as verification before reverting to the normal display Replay Turn on the DDX 60 with all three switches pressed The display will be as per normal except the signal LED will be off The bank may be changed as per normal operation To revert to normal operation reset the DDX 60 by turning the Power switch off and then back on The Signal LED should come on to indicate receiving of DMX once more Clear To clear a Snapshot turn off the Power switch and turn on again with
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