Jands DD-8 Operating Manual Download Page 16 | Manualshive

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Jands DD-8 Operating Manual Download Page 16

JANDS DD-8 DMX SPLITTER

Revision 2.0 - 5 July 1998

OPERATING MANUAL

- 16 -

40 KENT RD

MASCOT NSW 2020

PH: +61-2-9582-0909

FAX: +61-2-9582-0999

email: [email protected]

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Summary of Contents for DD-8

Page 1: ...JANDS DD 8 O p t o I s o l a t e d D M X S p l i t t e r Operating Manual Version 2 0...

Page 2: ...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 o...

Page 3: ...ng Started 6 3 1 Setting the input voltage 6 3 2 Connecting power 6 3 3 Connecting DMX 512 input 6 3 4 Connecting DMX 512 outputs 6 3 5 Power up sequence 6 4 0 Operating Notes 7 5 0 Technical Aspects...

Page 4: ...such faults Since these faults can occur in all systems the DD 8 is equally suitable for all touring theatre exhibition and trade show applications In addition including the DD 8 in a DMX system make...

Page 5: ...indicator shows when mains power is applied to the DD 8 4 DMX Outputs A standard 5 pin AXR connector outputs opto isolated DMX 512 signal to the DMX 512 receivers The same signal appears on all eight...

Page 6: ...to a 3 pin earthed power source Use of 2 pin non earthed power sources will reduce the ability of the DD 8 to protect against high voltage shield faults 3 3 Connecting DMX 512 input The DD 8 input sig...

Page 7: ...mmer group to isolate that group Outdoor shows where the console is run from a different power supply to the dimmers In this case the DD 8 should be placed just before the input to the first receiving...

Page 8: ...also drives the signal indicator LED L2 via positive edge detector network C8 R26 R8 D3 transistor driver Q1 and pulse lengthener C5 This circuit will respond to signals with high repetition rates and...

Page 9: ...overvoltages of up to 250 volts AC 3 The DMX input shield pin 1 is floated from earth by a 47K 1W resistor and 47nF RF bypass capacitor 4 The eight DMX output shields pin 1 are connected directly to c...

Page 10: ...11 10uF C6 100nF C10 100nF IC2 75176 OPTO1 6N137 OPTO6 OPTO2 OPTO3 OPTO4 OPTO7 OPTO8 Q1 BC337 OPTO5 R4 100R L1 RED R5 1K R7 33R R6 33R R8 2K2 R2 1K R1 47K C9 100nF P2 3 4 5 6 7 8 9 IC2 3 4 5 6 7 8 9 O...

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Page 12: ...urce Reduce ambient temperature Check source patch settings Check receiver address settings 5 3 Miscellaneous Notes The protection circuitry will protect the DD 8 DMX line receiver drivers against dam...

Page 13: ...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...

Page 14: ...o any output 500VAC Isolation between outputs 500VAC Protection between input pins 250VAC Protection from input to earth 250VAC Protection between output pins 250VAC Protection from output to earth 25...

Page 15: ...NG MANUAL 15 Appendix A Connector Pinouts DMX connector pin outs PIN No CONNECTION DMX IN CONNECTION DMX OUTPUT 1 RC NETWORK TO CHASSIS CHASSIS 2 IN OUT 3 IN OUT 4 NC NC OUTPUT DMX CONNECTOR INPUT DMX...

Page 16: ...JANDS DD 8 DMX SPLITTER Revision 2 0 5 July 1998 OPERATING MANUAL 16 40 KENT RD MASCOT NSW 2020 PH 61 2 9582 0909 FAX 61 2 9582 0999 email jandsinfo jands com au...

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