Leviton DDS8800 Instrucciones de funcionamiento

NSI DIGITAL DIMMING SYSTEM

DDS 86/88/96/9800 DIMMER PACKS

INSTALLATION AND OPERATION GUIDE

Software Revision 1.41, Version C UL, Mfg Q3/96, and above

SPECIFICATIONS

Number of Channels: 86/9600 : 6 channels

88/9800 : 8 channels

Output capacity: 86/8800 : 1200 watts (120v) per channel.

96/9800 : 2400 watts (120v) per channel.

Input Power: 8600 : 120/208 V ac, 3 phase, 4 wire 20 A or

120/240 V ac, 1 phase, 3 wire 30 A

8800 : 120/240 V ac, 1 phase, 3 wire 40 A

9600 : 120/208 V ac, 3 phase, 4 wire 40 A or

120/240 V ac, 1 phase, 3 wire, 60 A

9800 : 120/240 V ac, 1 phase, 3 wire, 80 A

Dimmer control system: Microprocessor digital phase control dimming or

zero-crossing relay mode.

Load filtering: ~ 500us rise time.

Control Input Types: 0 - 10VDC each channel on 9 pin ‘‘D’’ connector.

MICROPLEX multiplex signal (128 channel) on

three pin XLR type connector.

DMX-512 digital signal (512 channel)

on five pin XLR optional.

Control Wiring: Class 2 low voltage.

Output Connections: NEMA 5-15 or 5-20 duplex per ch. standard.

Several other types are optional.

Cooling System: Thermostatically controlled variable speed fan-

forced air with intake on front panel,

exhausting on sides of dimmer.

NSI DIGITAL DIMMING SYSTEM INSTALLATION AND OPERATION GUIDE

Software Revision 1.41, Version C UL, Mfg Q3/96, and above SPECIFICATIONS

NSI CORPORATION 1

MOUNTING

The NSI DDS rack mountable dimmers are designed to be mounted in a standard 19" EIA rack. The packs are provided with two

mounting flanges or ‘‘ears’’ designed for securing to the front rack mounting rails.

The optional REAR SUPPORT KIT must be used in all cases where the rack is portable and prone to bumps and rough handling.

The NSI DDS rack dimmers depend upon forced air cooling. The rack enclosure shall allow a 2 in. clearance on each side of

the dimmer to insure adequate air exhaust. In some cases where exhaust air flow is obstructed, additional exhaust fans should

be used to remove hot air from the rack. Free flow of room air to the front of the dimmer packs must be insured. Any front cover

on the rack must be removed during operation. Keep the air vents located on the front and each side of the dimmer pack clear of

dust or any obstructions.

If units are to be operated in a small enclosed room, adequate ventilation must be provided to prevent the room temperature from

exceeding 100 degrees fahrenheit

AC Lighting Loads, Only.

For Indoor Use Only

Utilizer Dans Un Endroit A L’Abri

INSTALLATION AND OPERATION GUIDE DDS 86/88/96/9800 DIMMER PACKS

MOUNTING Software Revision 1.41, Version C UL, Mfg Q3/96, and above

2NSI CORPORATION

INPUT POWER WIRING

The NSI DDS rack dimmers must be provided with a proper electrical service as listed below:

*8600 : 120/240 VAC 20 amp 3 pole 4 wire plus ground (use minimum #10 AWG) or

120/240 VAC 30 amp 2 pole 3 wire plus ground (use minimum #8 AWG).

8800 : 120/240 VAC 40 amp 2 pole 3 wire plus ground only (use minimum #6 AWG).

*9600 : 120/240 VAC 40 amp 3 pole 4 wire plus ground (use minimum #4 AWG) or

120/240 VAC 60 amp 2 pole 3 wire plus ground (use minimum #4 AWG).

9800 : 120/240 VAC 80 amp 2 pole 3 wire plus ground only (use minimum #2 AWG).

* Unit set up for 3 pole 4 wire - for 2 pole 3 wire operation see Service Manual.

Input wiring must be copper wire rated at least 90C and must be protected by a suitable branch circuit breaker. Wire sizes show

above in parenthesis are for type S, SO,or similar cords. Other types of cords or cables should be sized according to local electrical

codes.

All wiring should be done by qualified personnel only!

WARNING: Do not connect chassis ground to NEUTRAL or operate without a chassis ground. To do so may allow exposure

to potentially lethal voltage levels and will void the warranty on this product.

DDS 86/88/96/9800 DIMMER PACKS INSTALLATION AND OPERATION GUIDE

Software Revision 1.41, Version C UL, Mfg Q3/96, and above

NSI CORPORATION 3

AC OUTPUT RECEPTACLES

The standard version of the DDS rack dimmers have two AC output receptacles for each channel. These receptacles provide power

to the lamps in your lighting system. The amount of power supplied to these outlets controls the intensity of the lamps connected.

The total lamp wattage connected to each channel must not exceed the rating of each channel (see specifications). Most 120VAC

lamps and fixtures and some transformer type low-voltage fixtures may be connected to these outlets, DO NOT connect motors

or fluorescent lighting to these outlets when the channel is operating in dimmer mode.

NOTE: Some inductive type loads such as transformers, ballasts, and motors, with poor power factor may cause the dimmer

to output D.C. type current. This may cause the load to draw excessive current and overheat, causing damage to the

transformer, ballast, or motor. For this reason, it is necessary to insure any inductive loads are fused individually for their

respective normal operating current.

INSTALLATION AND OPERATION GUIDE DDS 86/88/96/9800 DIMMER PACKS

Software Revision 1.41, Version C UL, Mfg Q3/96, and above

4NSI CORPORATION

MICROPLEX MULTIPLEX CONTROL WIRING

Microplex is the control protocol used on most NSI lighting consoles. This system uses a single three conductor cable to transmit

up to 128 channels of dimmer control. For short distances (50 feet or less) a standard microphone cable may be used to carry both

the control signal and the DC power source for NSI control consoles. Longer distances may be accommodated with 18 gauge or

better cable to reduce voltage losses of the power supply.

Connect the Microplex control cable to either of the three pin XLR jacks. Since both jacks are wired in parallel, another control

cable may be connected between the remaining jack and another dimmer pack. Many dimmer packs may be ‘‘daisy chained’’

together in this manner.

Be sure to set the Channel Address dip switch as required (see MPX ADDRESS SWITCH SETTINGS).

ANALOG 0 - 10 VDC CONTROL WIRING.

Each of the dimmer channels of the NSI DDS rack dimmer pack may be operated by an analog 0 - 10 VDC control voltage. This

type of control will provide 0% intensity at 0 volts and 100% intensity at 10 volts. Any or all of the DDS rack dimmer channels

may be operated in this manner simultaneously with any multiplex control input. Each dimmer will respond to the greater of any

control inputs.

The analog control input uses a standard 9 pin ‘‘D’’ connector which is available from most electronics and computer supply houses.

Connect each of the positive channel control wires to the desired dimmer channel input pins (see diagram below) of the plug.

Connect the common (ground) control wire to the pin indicated on the diagram. Consult the documentation of the analog control

console or device you are using for the proper connections. The control input impedance is 4.7K ohms.

When using analog inputs, Dipswitch #10 should be in the up position to disable Channel Level Memory.

DDS 86/88/96/9800 DIMMER PACKS INSTALLATION AND OPERATION GUIDE

Software Revision 1.41, Version C UL, Mfg Q3/96, and above MICROPLEX MULTIPLEX CONTROL WIRING

NSI CORPORATION 5

DMX 512 multiplex control wiring

DMX 512 is the United States Institute of Theater Technology (USITT) standard for the digital control of dimmers. NSI DDS

Dimmer products can be converted from Microplex to DMX 512 digital multiplex with a simple kit available from your dealer.

DMX-512 is the preferred type of control wiring when many dimmer channels are used, because of the high update rate and the

resistance to interference. It is recommended in locations subject to electrical noise. DMX-512 only requires 3 wires to transmit

lighting levels for as many as 512 dimmer channels. Most of the NSI lighting control consoles can optionally use this interface.

Connect the DMX 512 cable from the control console to the male input connector. Another cable may be connected from the

female connector to the male connector on another pack. Many dimmer packs may be ‘‘daisy chained’’ and connected together in

this manner. Be sure to set the Channel Address dip switch as required (see MPX ADDRESS SWITCH SETTINGS).

LED INDICATORS

PWR (Green) - Indicates the +5 volt power supply of the dimmer is operating.

LINE 1, 2, 3 (Green) - Indicates the respective pole of the input power is energized. A blown fuse on an internal power supply

transformer may cause one of these LEDs to not light. When a 3 pole dimmer is wired for 2 pole operation, the LINE 2 LED will

not light.

MPX (Green) - Indicates presence of multiplex signal when steady.

TEMP (Red) - Steady indicates the dimmer is too hot and is preparing to shut down. Flashing indicates the dimmer has reduced

levels or is shutting down in order to lower internal operating temperatures. (See FAN OPERATION and OVER TEMPERATURE.)

CTL STAT (Green) Indicates the relative control level for each channel.

NO LOAD (Yellow) Steady indicates the absence of a load on a particular channel output. This may be due to no connection to

the output or a faulty lamp. Flashing of the NO LOAD LED indicates that the respective channel is in the Focus Test Mode and

is forced to full intensity.

NOTE: Load ‘‘sensing’’ does not operate when the dimmer channel is above 75% intensity or in the Focus Test mode. The

No Load indicator is only reliable when the dimmer channel control is off or below 75% and the respective circuit breaker

is on.

INSTALLATION AND OPERATION GUIDE DDS 86/88/96/9800 DIMMER PACKS

DMX 512 multiplex control wiring Software Revision 1.41, Version C UL, Mfg Q3/96, and above

6NSI CORPORATION

LAMP FOCUS TEST

Pressing the FOCUS TEST button for any channel will force the control for that channel to full on and cause the NO LOAD LED

to flash. Pressing the button a second time will cause the channel to return to normal control.

CHANNEL CIRCUIT BREAKERS

Each channel is protected by a magnetic circuit breaker to help prevent overloading the power control devices used in the dimmer.

These circuit breakers also function as master power switches for each channel.

Note: Lamps may sometimes cause a temporary ‘‘short-circuit’’ when the filament burns out and cause the circuit breaker

to trip. This is normal and protects the internal dimmer circuitry from damage.

CHANNEL LEVEL MEMORY.

Whenever dipswitch #10 is in the off (down) position and there is a loss of multiplex signal detected, all channel outputs will remain

at the last received intensity level. If dipswitch #10 is in the up position, all lights will go out on loss of multiplex. The automatic

sequencing feature must be disabled for Channel Level Memory to operate (see INTERNAL JUMPER / DIPSWITCH SELECTIONS).

FAN OPERATION and OVER TEMPERATURE

The NSI DDS rack dimmer packs employ a highly efficient cooling system and variable speed temperature controlled fan which

functions as follows:

•When the dimmer pack is first powered up the fan will immediately come to full speed for two seconds for self test

and then will shut off providing the dimmer is at room temperature.

•(NOTE: The fan may run at very low speed when dimmer is idle and at room temperature.)

•As the dimmer pack warms up when lighting loads are turned on, the fan will turn on at a slow speed and gradually

increase in speed as more cooling is needed. This reduces unnecessary fan noise and dust collection.

•If for some reason the dimmer airflow is blocked or inadequate the TEMP LED will light.

•If temperature rises any further, the dimmer will attempt to reduce all lighting levels by 25% increments in order to

reduce temperature. The TEMP LED will start flashing.

•If internal temperature still rises, a thermostat will shut off all output. The TEMP LED will flash.

Overheating of the dimmer is not normal and may be due to restriction of air circulation, or fan failure.

To adjust the temperature sensing of the DDS 88/9800( 86/9600 ) dimmers please see below;

IMPORTANT: BE SURE DIMMER PACK AT ROOM TEMPERATURE!!

1. Activate the calibration mode by holding down focus test switchs 4 and 8 ( 3 and 6 ) together for about 6 seconds.You will

notice the fan runs at high speed , the line indicator LEDs begin to flash and the temp LED is on. NOTE: If the temp led is off

no calibration is required.

2. Press focus test switch 2 ( 1 ) if calibration is low or focus test switch 3 ( 2 ) if high.You will notice the temp load indicator

LED should go off indicating proper calibration.

3. Press focus test switch 4 and 8 ( 3 and 6 ) together to exit the temperature calibration mode.

DDS 86/88/96/9800 DIMMER PACKS INSTALLATION AND OPERATION GUIDE

Software Revision 1.41, Version C UL, Mfg Q3/96, and above LAMP FOCUS TEST

NSI CORPORATION 7

MPX ADDRESS SWITCH SETTINGS

When using any of the multiplex control systems the dip switches on the front panel of the DDS rack dimmer must be set to assign

the desired dimmer channels. The switches set the dimmer pack’s starting address to any channel from 1 to 512 (128 for Microplex).

See the following chart for settings.

For channels 1 - 128 set dipswitch #8 and #9 off and #1-7 as below.

Starting Ch. 1234567 Starting Ch. 1234567 Starting Ch. 1234567

10000000 21000000 30100000

41100000 50010000 61010000

70110000 81110000 90001000

10 1001000 11 0101000 12 1101000

13 0011000 14 1011000 15 0111000

16 1111000 17 0000100 18 1000100

19 0100100 20 1100100 21 0010100

22 1010100 23 0110100 24 1110100

25 0001100 26 1001100 27 0101100

28 1101100 29 0011100 30 1011100

31 0111100 32 1111100 33 0000010

34 1000010 35 0100010 36 1100010

37 0010010 38 1010010 39 0110010

40 1110010 41 0001010 42 1001010

43 0101010 44 1101010 45 0011010

46 1011010 47 0111010 48 1111010

49 0000110 50 1000110 51 0100110

52 1100110 53 0010110 54 1010110

55 0110110 56 1110110 57 0001110

58 1001110 59 0101110 60 1101110

61 0011110 62 1011110 63 0111110

64 1111110 65 0000001 66 1000001

67 0100001 68 1100001 69 0010001

70 1010001 71 0110001 72 1110001

73 0001001 74 1001001 75 0101001

76 1101001 77 0011001 79 1011001

79 0111001 80 1111001 81 0000101

82 1000101 83 0100101 84 1100101

85 0010101 86 1010101 87 0110101

88 1110101 89 0001101 90 1001101

91 0101101 92 1101101 93 0011101

94 1011101 95 0111101 96 1111101

97 0000011 98 1000011 99 0100011

100 1100011 101 0010011 102 1010011

103 0110011 104 1110011 105 0001011

106 1001011 107 0101011 108 1101011

109 0011011 110 1011011 111 0111011

112 1111011 113 0000111 114 1000111

115 0100111 116 1100111 117 0010111

118 1010111 119 0110111 120 1110111

121 0001111 122 1001111 123 0101111

124 1101111 125 0011111 126 1011111

127 0111111 128 1111111

For channels 129 - 256 Set dipswitch 1-7 as above and set dipswitch #8 on and #9 off.

For channels 257 - 384 Set dipswitch 1-7 as above and set dipswitch #8 off and #9 on..

For channels 385 - 512 Set dipswitch 1-7 as above and set dipswitch #8 and #9 on.

For dipswitch # 10 setting see CHANNEL LEVEL MEMORY.

INSTALLATION AND OPERATION GUIDE DDS 86/88/96/9800 DIMMER PACKS

MPX ADDRESS SWITCH SETTINGS Software Revision 1.41, Version C UL, Mfg Q3/96, and above

8NSI CORPORATION

INTERNAL JUMPER / DIPSWITCH SELECTIONS

Caution: The follow procedures should be performed by qualified personnel only.

Remove all power and remove the cover of the dimmer pack. Locate and change jumper or dipswitch settings on the firing card as

indicated in the following section.

Softstart

The Softstart mode of operation forces at least a 1/10th second delay between the output being full off to the output being full on

to allow a more gradual warming of the lamp filaments. Thermal shock and inrush currents are reduced thereby increasing lamp

life. Softstart should not be used when quick dimmer response is desired such as chasing.

To activate Softstart; remove the jumper block from the pin marked J1 on the firing card or move internal dipswitch S10 to the off

position. Replacing the jumper block or turning the switch on will deactivate Softstart.

NOTE: The channels of the DDS rack dimmer pack configured for NON DIM operation will not be affected by softstart.

Non Dim Channels (Relay Mode)

Any of the channels of the DDS rack dimmer pack may be configured as NON DIM channels. This will cause the output of the

channel to go to full on whenever the input signal is over 15%. When the input signal drops to less than 10%, the channel output

goes to full off. This is the equivalent of a zero-crossing solid state relay.

To configure a channel for NON DIM operation simply remove the jumper block from the pins on the firing card as indicated or

turn the switch indicated OFF. Replacing the jumper block or turning the switch ON will restore dimming operation.

SWITCH OR JUMPER OFF = NON DIM

SWITCH OR JUMPER ON = DIMMER

DIPSWITCH VERSION

JUMPER VERSION

S1 S10

CHANNEL SWITCH JUMPER CHANNEL SWITCH JUMPER

1 S1 J10 2S2 J9

3 S3 J8 4 S4 J7

5 S5 J6 6 S6 J5

7 S7 J4 8 S8 J3

DDS 86/88/96/9800 DIMMER PACKS INSTALLATION AND OPERATION GUIDE

Software Revision 1.41, Version C UL, Mfg Q3/96, and above INTERNAL JUMPER / DIPSWITCH SELECTIONS

NSI CORPORATION 9

AUTO SEQUENCING MODE

The DDS rack dimmers can be configured to perform stand alone Automatic Sequencing in place of Channel Level Memory. This

is useful for lighting displays and show windows. The eight channels will automatically fade from one to another in a preprogrammed

pattern and time selected by the front panel dipswitch whenever dipswitch #10 is down and no multiplex signal is detected. The

Analog control input will continue to operate while the dimmer is sequencing.

To enable Automatic Sequencing Mode remove jumper from position J2 or turn INTERNAL dipswitch S9 to OFF.

Front Panel Dipswitch settings

STEP TIME SWITCH 1,2,3 PATTERN SWITCH 4,5,6

1 SECOND OFF,OFF,OFF SEQUENCE OFF,OFF,OFF

3 SECOND ON,OFF,OFF ODD / EVEN SEQUENCE ON,OFF,OFF

5 SECOND OFF,ON,OFF PAIRED SEQUENCE OFF,ON,OFF

10 SECOND ON,ON,OFF ODD / EVEN ALT ON,ON,OFF

15 SECOND OFF,OFF,ON OUT / IN SEQUENCE OFF,OFF,ON

30 SECOND ON,OFF,ON BUILD ON,OFF,ON

45 SECOND OFF,ON,ON BUILD + OFF,ON,ON

60 SECOND ON,ON,ON RANDOM ON,ON,ON

Dipswitch # 7 on causes all above sequences to ping-pong.

INSTALLATION and OPERATION TIPS

Care should always be taken to:

1) Keep all AC wiring away from control wiring.

2) We also recommend powering up and performance checks be done one unit at a time. This can be a real time saver should

problems arise thus eliminating unnecessary isolation techniques to resolve the problem.

Technical Support

If addition help or service is needed, contact your dealer or the NSI Technical Services Hotline: (503) 682-6228.

INSTALLATION AND OPERATION GUIDE DDS 86/88/96/9800 DIMMER PACKS

AUTO SEQUENCING MODE Software Revision 1.41, Version C UL, Mfg Q3/96, and above

10 NSI CORPORATION

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