JOHNSON SYSTEMS J-PACK Series User manual

User Manual
J-PACK Series
Hi-Performance Dimmer Pack
JOHNSON SYSTEMS INC.
WWW.JOHNSONSYSTEMS.COM

WWW.JOHNSONSYSTEMS.COM
2
Warranty
J-PACK Series dimmer packs come with a standard one (1) year
limited warranty. Extended warranties of up to ten (10) years are
available at the time of purchase.
For details visit: www.johnsonsystems.com/warranties.htm
For Technical Assistance
1. Refer to your product user manual. The most current revision is
available online: www.johnsonsystems.com/literature.htm
2. Contact the “point-of-sale” dealer or distributor from which this product
was originally purchased, and ask for technical assistance.
3. If neither of the above can provide you with the necessary information,
please contact our factory via email ([email protected])
or phone [phone]) during business hours (Monday to Friday,
8:00AM to 5:00PM MST).
Contents
Warranty ..........................................................................................................2
Introduction......................................................................................................3
Characteristics.................................................................................................4
Installation .......................................................................................................6
Mounting Options ............................................................................................6
AC Power Supply Input Options......................................................................8
Output Connector/Receptacle Options..........................................................10
Output Connector/Receptacle Diagrams.......................................................12
Control Input..................................................................................................12
MADD-6 (Multiple Application Dimmer Driver) Controller..............................13
User Interface................................................................................................14
System Status • LED Indicators ...................................................................15
System Status • LCD Display ........................................................................15
Quick Programming Reference to System Conguration Menu Items..........17
Detailed Programming of System Conguration Menu Items........................18
Important Hard-key Information.....................................................................28
J-PACK Dimmer Pack (DP) Ordering Information .........................................29
Troubleshooting Reference ...........................................................................30

WWW.JOHNSONSYSTEMS.COM 3
Introduction
J-PACK dimmers are a truly universal hi-performance series of 6 channel
dimmer packs. Designed for versatility in virtually any environment, these unique
and compact dimmer packs can be wall-mounted for permanent installations,
19” rack mounted, pipe mounted or used as portable units. Multiple units can be
easily “ganged” together for fast system expansion.
Next generation “system-on-a-chip” technology provides unsurpassed value
in SCR dimming. Stand-by power consumption of less than 1 Watt, allow
for compliance with the International Energy Agency’s “One Watt Initiative”
for standby power consumption. This makes J-PACK’s truly “green” with the
minimal possible impact on the environment!
Available in various sizes and congurations, J-PACK’s offer unique exibility
in professional grade dimming. Designed for modern lower wattage compact
lament dimming loads these dimmers are full rated at 1,560 Watts for constant
prolonged operation. Premium hydraulic magnetic circuit breakers offer safety
and eliminate the false tripping concern of competitive dimmers. Intuitive LCD
user interface combined analog inputs and contact closure inputs allow for
industry wide application.
On demand “MagLev®” thermal management technology produces superior
cooling that is virtually silent making J-PACK’s the natural choice for “quiet
space” dimming installations. Exclusive “lamp warming” techniques extends
lamp life considerably while maintaining industry leading performance!
Features
• Available in a range of voltage and output congurations.
• Unique power saving stand-by mode reduces power consumption to less
than 1 Watt, a “green” dimmer pack.
• Dim standard or low-voltage incandescent quartz lamps. Compatible with
SCR dimmable LED lamps and xtures.
• Individual dimmer prole selection permits safe and silent control of non-
dim lighting loads.
• DMX512 start addressable in single channel (offset) or individually (patch).
• DMX “snapshots” with scene playback.
• Unique “lamp warming” feature extends lamp life signicantly.
• Analog and dedicated dry contact BMS inputs for interface with HVAC,
security and audio.
• “Load Shed” inputs for power management and photocell interface.
• LCD user interface for easy setup and monitoring.
• Over-heat and over-current protected.
• Non-proprietary dimmer SCR’s are 300% rated.
• On-demand ‘MagLev®’ thermal management technology produces superior
cooling that is virtually silent.
• Up to 10 year product warranty available!
J-PACK Series
Hi-Power Dimmer Pack

WWW.JOHNSONSYSTEMS.COM
4
Front View
User Interface
Refer to page 14 for details
Circuit Breakers
Control Input XLR Connectors
Refer to page 13 for details
Characteristics
• Maximum Feeder Capacity:
• Edison 15 Amp 120 VAC 1Ø 3 wire. Max. Rating 1,800W.
• 2 Circuits of Edison 15 Amp 120 VAC 1Ø 3 wire. Max. Rating 3,600W.
• 30 Amp 120/208 VAC 3Ø 5 wire. Max. Rating 9,000W.
• 40 Amp 120/240 VAC 1Ø 4 wire. Max. Rating 9,000W.
• Power Termination: Power lug input.
• Output selection of Terminal Block, Stage Pin, Edison, TLG or Socapex.
• Maximum output 1,560 Watts per circuit.
• Environment
• Temperature Range: 23°F (-5°C) to 104°F (40°C) ambient.
• Humidity Range: 0% to 90% non-condensing.
• Load Type: Incandescent quartz lamps and electronic (SCR dimmable) low voltage xtures.
• Switch Type: 300% rated, non-proprietary SCR solid state relay.
• Rise Time: 300uS.
• Physical: 13" x 17" x 3.4" (33 cm x 43 cm x 8.5 cm).
• Weight: 22 - 23 lbs. (10.0 - 10.5 Kg) depending on model.
• Material: 18-gauge steel CRS.
• Finish: Hammer texture black powder coat.

WWW.JOHNSONSYSTEMS.COM 5
Left Side View
Right Side View
Top View
Air Intake Fan Rubber Feet
(For RF model only)
Handle
Air Exhaust
Ventilation
Air
Exhaust
Air
Intake
Ten (10) SEMS #6-32 x 3/8" Philips Pan Head, Top Panel (Lid) Mounting Screws
Six (6) #6-32 x 3/8" Philips Flat Head, Top Panel (Lid) Mounting Screws
Four (4) SEMS #6-32 x 3/8" Philips Pan Head, Rack Mount Bracket Mounting Screws
Four (4) Safety Cable Mounting Holes
(For PM model only)
Six (6) Indents
(For vertical stacking)
Safety Cable supplied
on PM model

WWW.JOHNSONSYSTEMS.COM
6
Installation
J-Pack Series dimmer packs are intended for indoor use only, in a controlled environment at a room
temperature.
• Mount in a suitable location.
Refer to the Mounting Options section on page 6 for applicable details.
• Connect the applicable AC power supply input.
Refer to the AC Power Supply Input Options section on page 8 for applicable details.
• Connect the relay output receptacles/terminals.
Refer to the Relay Output Connection Options section on page 10 for applicable details.
• Connect DMX and/or dry contact control input(s).
Refer to the Control Input section on page 12 for details.
• Program, setup, test and verify functionality.
Refer to the Detailed Programming of System Conguration Menu Items section
on page 18 for details.
WARNING: For indoor use only!
Mounting Options
J-PACK Series dimmer packs are capable of various mounting options to suit the application required.
A cooling fan mounted inside the dimmer pack is used to move air through the chassis and cool
the heat sink and chokes. The fan is temperature controlled via a temperature sensor mounted on
the heat sink. If the heat sink temperature is >=55ºC the fan is turned on to half speed. If the heat
sink temperature is >=70ºC the fan is turned full on. It is important to mount the dimmer pack in the
orientation intended with unobstructed ventilation to ensure adequate cooling.
RF = Rubber Feet
For portable applications, the dimmer pack
can be set on any at surface. Rubber feet are
mounted on the bottom of the dimmer pack,
with indents on the top cover panel to facilitate
vertical stacking of up to 6 units high.
WARNING: Never place the dimmer packs
side by side (horizontally) without
a minimum of 12" of clearance
between them. Always leave a
minimum of 6" of clearance from
the dimmer packs air intake and
exhaust. Failure to comply may
cause thermal overheating.

WWW.JOHNSONSYSTEMS.COM 7
PM = Pipe Mount
For pipe mounting, a bracket, C-clamp and safety cable are
provided and must be used to secure the dimmer pack to
standard pipe sizes from 1" to 2" (1.25" to 2.375" outside
diameter).
WARNING: Ensure the pipe is secure and rated adequately
for local rigging codes.
Ensure the safety cable is fastened correctly to
secure the dimmer pack.
WM = Wall Mount
For permanent applications, the dimmer pack can be mounted
to any wall surface capable of supporting its weight. Using the
four (4) mounting holes provided, 1/4" (6mm) screws or bolts
are required to fasten and secure the rack safely to the wall.
WARNING: Never mount the dimmer packs side by
side (vertically) without a minimum of 12"
of clearance between them. Always leave a
minimum of 6" of clearance from the dimmer
packs air intake and exhaust. Failure to comply
may cause thermal overheating.
RM = Rack Mount
For rack mounting, brackets are provided and used to secure
the dimmer pack in a standard 19" rack.
WARNING: Ensure there is sufcient ventilation provided
when mounting multiple dimmer packs within a
19" rack. The internal ambient temperature of
the rack must not exceed 104°F (40°C). Failure
to comply may cause thermal overheating.
Ensure there is adequate rear support provided
to maintain the dimmer pack position inside the
19" rack.

WWW.JOHNSONSYSTEMS.COM
8
AC Power Supply
Input Terminals
AC Power Supply Input Options
J-PACK Series dimmer packs are capable of various 120VAC power supply input
congurations.
Remove the top panel (lid) of the dimmer pack chassis to access the contractor
termination area, where the required AC power supply input terminals are
located. To remove the top panel (lid), remove the ten (10) SEMS #6-32 x 3/8"
Philips pan head mountings screws located on the sides and the six (6) #6-
32 x 3/8" Philips at head mounting screws located on the top, using a Philips
#2 screwdriver, and carefully lift the lid up. The cooling fan is mounted on the
lid, so be careful not to strain the fan wiring cable. If the fan cable needs to
be disconnected, carefully cut off the strain relief wire tie and unplug the fan
connector from the J10 PCB connector. Be sure to save the mounting screws to
secure the top panel (lid) once the AC power supply input wiring termination is
complete.
A 1.109" knockout (suitable for 0.75" conduit) located on the rear panel of the
relay pack chassis is provided for wire/conduit entry to the AC power supply
input terminals. Ensure an adequate tting is used to secure the conduit to the
rear panel. Only use wire rated for the specications provided. Route the wire
directly from the conduit entry into the power terminals. Use a 3/16" athead
screwdriver to torque the power terminals to the specications provided.
Once the AC power supply input wiring termination is complete, carefully
reinstall the top panel (lid). If the cooling fan cable was disconnected, be sure
to reconnect it to the J10 PCB connector, and install a wire tie for strain relief.
Carefully slide the lid down into place, making sure the fan cable does not get
pinched in the metalwork. Secure the lid using the mounting screws previously
removed. To ensure ground continuity between all chassis panels, be sure to use
the SEMS mounting screws with integral star washers on the sides.
WARNING: All wiring must comply with local electrical codes and be
completed by qualied personnel only!
WARNING: For connection use copper wire only, rated for 167ºF (75ºC)
minimum!
WARNING: All AC power supply input options require an external disconnect!
WARNING: Ensure the AC power supply external disconnect is turned off and
locked out while wiring terminations are completed!
WARNING: For permanent installations, the external disconnect must be
located adjacent to the equipment.
AVERTISSMENT: Pour les installations permanentes, le débrancher externe
doit être trouvé adjacent à l'équipement.

WWW.JOHNSONSYSTEMS.COM 9
120 = 120VAC 1Ø 3-Wire via a Single 5' Edison Power Cord
Includes a single factory installed 5' (1.5m) Edison power cord. Connect the
cables to a standard Edison (NEMA 5-15) receptacle, protected with a circuit
breaker rated at a maximum of 15 Amps.
• Up to 15 Amps – maximum 1,800W total.
• Internal electrical wiring termination is not required.
• Available only with Duplex Edison output connectors/receptacles.
120 = 120VAC 1Ø 3-Wire via Dual 5' Edison Power Cord
Includes two (2) factory installed 5' (1.5m) Edison power cords. Connect the
cables to standard Edison (NEMA 5-15) receptacles, each protected with a
circuit breaker rated at a maximum of 15 Amps.
• 2 circuits of up to 15 Amps – maximum 3,600W total.
• Internal electrical wiring termination is not required.
• Dimmers 1, 3 and 5 are powered from a single power cord.
• Dimmers 2, 4 and 6 are powered from a single power cord.
• Available only with Duplex Edison (NEMA 5-15) output connectors/
receptacles.
120/240 = 120/240VAC 1Ø 4-Wire Terminal Block
• Up to 40 Amps per phase – maximum 9,000W total.
• Use wire size #12 to #4 AWG copper wire only, rated for 167°F (75°C)
minimum.
• Strip insulation length to 0.44" (11mm).
• Torque power terminals (A, B, N, ) to 10.5 IN-LBS (1.2 NM).
• Dimmers 1, 3 and 5 are powered from Phase A.
• Dimmers 2, 4 and 6 are powered from Phase B.
120/208 = 120/208VAC 3Ø 5-Wire Terminal Block
• Up to 30 Amps per phase – maximum 9,000W total.
• Use wire size #12 to #4 AWG copper wire only, rated for 167°F (75°C)
minimum.
• Strip insulation length to 0.44" (11mm).
• Torque power terminals (A, B, C, N, ) to 10.5 IN-LBS (1.2 NM).
• Dimmers 1 and 4 are powered from Phase A.
• Dimmers 2 and 5 are powered from Phase B.
• Dimmers 3 and 6 are powered from Phase C.
WARNING: Ensure all AC power supply connections are tightened to the
torque specication provided, before turning on the AC power
supply!
Ensure all chassis panels are secure before turning on the AC
power supply!

WWW.JOHNSONSYSTEMS.COM
10
Output Connector/Receptacle Options
J-PACK Series dimmer packs are designed for high performance dimming of standard
incandescent, quartz, and dimmable (SCR/Leading-Edge) electronic low-voltage xtures. The
dimmer outputs may be congured for non-dimmed applications when switched (relay controlled)
load outputs are required. Six (6) 1,560 Watt dimmer output circuits are fully protected by
premium 13 Amp hydraulic magnetic circuit breakers. Each of the dimmer outputs are connected
via various optional output connectors/receptacles.
120VAC Operation with Factory Installed Single or Dual Edison Power Cord
Capable of dimming six (6) 1,560 Watt dimmer output circuits, fully protected by premium 13 Amp
hydraulic magnetic circuit breakers. Powered with single or dual 120VAC 1Ø 3-Wire, each hot leg
is dimmed independently through six (6) Solid State Relays (SSR). J-PACK Series dimmer packs
supplied with a factory installed single (1) Edison power cord are capable of dimming a total of
1,800 Watts shared between the six (6) Duplex Edison output connectors. J-PACK Series dimmer
packs supplied with factory installed dual (2) Edison power cords are capable of dimming a total
of 3,600 Watts shared between the six (6) Duplex Edison output receptacles.
120VAC Output Receptacle with Factory Installed Single or Dual Edison Power Cord
• ED = 15A Duplex Edison (NEMA 5-15)
120VAC Operation
Capable of dimming six (6) 1,560 Watt dimmer output circuits, fully protected by premium 13 Amp
hydraulic magnetic circuit breakers. Powered with 120/240VAC 1Ø 4-Wire or 120/208VAC 3Ø
5-Wire, each hot leg is dimmed independently through six (6) Solid State Relays (SSR). Capable
of dimming a total of 9,000 Watts shared between the six (6) output connectors/receptacles.
120VAC Output Connector/Receptacle Options
• SP = 20A Stage Pin (Bates)
• TL = 20A Twist Lock Ground (TLG) (NEMA L5-20R)
• SO = 19-Pin Socapex
• TB = Terminal Block
19-Pin Socapex Connection Details (Pinout)
Pin 1 = Circuit 1 Hot
Pin 2 = Circuit 1 Neutral
Pin 3 = Circuit 2 Hot
Pin 4 = Circuit 2 Neutral
Pin 5 = Circuit 3 Hot
Pin 6 = Circuit 3 Neutral
Pin 7 = Circuit 4 Hot
Pin 8 = Circuit 4 Neutral
Pin 9 = Circuit 5 Hot
Pin 10 = Circuit 5 Neutral
Pin 11 = Circuit 6 Hot
Pin 12 = Circuit 6 Neutral
Pin 13 = Circuit 1 Ground
Pin 14 = Circuit 2 Ground
Pin 15 = Circuit 3 Ground
Pin 16 = Circuit 4 Ground
Pin 17 = Circuit 5 Ground
Pin 18 = Circuit 6 Ground
Pin 19 = Not Used

WWW.JOHNSONSYSTEMS.COM 11
Terminal Block Connection Details
NOTE: This option is intended for permanent installation
application only.
Remove the top panel (lid) of the dimmer pack chassis to access
the contractor termination area, where the required dimmer output
(load) terminals are located. To remove the top panel (lid), remove
the ten (10) SEMS #8-32 x 3/8" Philips pan head mountings
screws located on the sides and the six (6) #8-32 x 3/8" Philips
at head mounting screws located on the top, using a Philips #2
screwdriver, and carefully lift the lid up. The cooling fan is mounted
on the lid, so be careful not to strain the fan wiring cable. If the fan
cable needs to be disconnected, carefully cut off the strain relief
wire tie and unplug the fan connector from the J10 PCB connector.
Be sure to save the mounting screws to secure the top panel (lid)
once the dimmer output (load) wiring terminations are complete.
In suitable locations on the rear panel of the relay pack chassis,
knockout suitable hole sizes for wire/conduit entry to the output
(load) terminals. Ensure an adequate tting is used to secure the
conduit to the rear panel. Only use wire rated for the specications
provided below. Route the wire directly from the conduit entry into
the output (load) terminals. Use a 3/16" athead screwdriver to
torque the power terminals to the specications provided below.
Each dimmer output (load) circuit (120VAC 1Ø 3-Wire) requires
three (3) conductors; one (1) for hot, one (1) for neutral and one
(1) for ground. There are six (6) hot terminals, six (6) neutral
terminals and six (6) ground terminals, one for each dimmer
output connection.
Once the dimmer output (load) wiring terminations are complete,
carefully reinstall the top panel (lid). If the cooling fan cable was
disconnected, be sure to reconnect it to the J10 PCB connector,
and install a wire tie for strain relief. Carefully slide the lid down
into place, making sure the fan cable does not get pinched in the
metalwork. Secure the lid using the mounting screws previously
removed. To ensure ground continuity between all chassis panels,
be sure to use the SEMS mounting screws with integral star
washers on the sides.
• Use wire size #14 to #8 AWG copper wire only, rated for
300V and 167°F (75°C) minimum.
• Strip insulation length to 0.4" (10mm).
• Torque connections to 13 - 16 IN-LBS (1.5 - 1.8 NM).
WARNING: For connection use copper wire only, rated for
167°F (75°C) minimum.
WARNING: Ensure all dimmer output terminal connections
are tightened to the torque specication provided,
before turning on the AC power supply!
WARNING: Ensure all chassis panels are secure before turning
on the AC power supply!
Load (Hot)
Terminals
Neutral
Terminals
Ground
Terminals

WWW.JOHNSONSYSTEMS.COM
12
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
Control Input
J-PACK Series dimmer packs are equipped with DMX input and thru, as well as two (2) auxiliary
dry-contact inputs. XLR connectors are provided on the front panel of the dimmer pack chassis, and
breakaway type connectors are provided internally for permanent installation applications.
All control input wiring is classied as CLASS 2 LOW VOLTAGE.
Breakaway type connector termination:
• Use wire size #28 to #12 AWG copper wire only, rated for 167°F (75°C) minimum.
• Strip insulation length to 0.3" (7.5mm).
• Use a 1/8" athead screwdriver - torque terminations to 3.6 IN-LBS (0.4 NM).
WARNING: For internal connection use copper wire only, rated for 167°F (75°C) minimum.
DMX Input and Thru
• DMX connects to the 5-pin XLR connectors located on the front panel.
• DMX alternatively connects to the internal 3-pin breakaway type connectors.
• Complies with USITT DMX512-A (ANSI E1.11 - 2008), Standard protocol for digital data control.
• Recommended cable is Belden 9829, 9842, Cat 5 or equivalent (low-capacitance, twisted pair).
• Wiring must follow a daisy-chain topology.
• Maximum of 32 receiving devices on a single DMX line.
• Maximum cable length is 1,500 feet (455 meters).
• For more information, Google DMX, or visit: http://old.usitt.org/DMX512FAQ.aspx
NOTE: Do not use the front panel XLR and internal DMX connections simultaneously.
Ensure only the last (end-of-line) DMX receiving device is terminated! Refer to menu item
DMX TERM on page 18 for details.
Output Connector/Receptacle Diagrams
ED = 15A Duplex Edison (NEMA 5-15)
• Single or dual Edison power cord option only.
SP = 20A Stage Pin (Bates)
TL = 20A Twist Lock Ground (TLG) (NEMA L5-20R)
SO = 19-Pin Socapex
TB = Terminal Block

WWW.JOHNSONSYSTEMS.COM 13
WWW.JOHNSONSYSTEMS.COM
MAAD-6
REV.1
1240
MADE IN CANADA
SERIAL NUMBER
WARNING: AC LINE VOLTAGE
MAAD-6
REV.1
1240
5-Pin XLR Connection Details (Pinout)
Pin 1 = DMX Shield / Common
Pin 2 = DMX Data-
Pin 3 = DMX Data+
Pin 4 = Not Used - Thru Connection
Pin 5 = Not Used - Thru Connection
Auxiliary Dry-Contact Inputs
The auxiliary dry-contact inputs are simply a maintained normally-open switch connection between
common and the auxiliary input. The auxiliary inputs are used to activate a selected scene or for
load shed applications. The auxiliary inputs may be interfaced with compatible AV control equipment,
photocells, occupancy sensors and building management systems (BMS). A third auxiliary input
(AUX3) is located internally and is for future use. Refer to menu items AUX TEST, AUX1MODE,
AUX2MODE and LOADSHED on pages 23-24 for further details.
3-Pin XLR Connection Details (Pinout)
Pin 1 = Auxiliary Input 1
Pin 2 = Common
Pin 3 = Auxiliary Input 2
MADD-6 (Multiple Application Dimmer Driver) Controller
The MADD-6 is the central electronic control system (aka brain) for all J-PACK Series dimmer packs.

WWW.JOHNSONSYSTEMS.COM
14
EXECUTE ESCAPE RESET
RUN ØA ØB ØC RxD ERROR
MENU
User Interface
All J-PACK Series dimmer packs are equipped with a user interface located
on the front panel of the chassis. The user interface provides access to all
programming and conguration settings. System status is easily visible on
the LCD display and LED indicators.
All of the programming is accomplished using four (4) switches. Within a few
minutes, most users will nd the menu structure very intuitive and easy to
navigate. All conguration settings are automatically stored into an on-board
EEPROM.
LCD Display
The LCD display is capable of displaying 2 lines of 8 characters. A backlight
automatically comes on when activity is sensed. The LCD contrast can be
easily adjusted for optimum viewing. Refer to menu item “LCD VIEW” on
page 27 for further details.
Programming Switches
The MENU UP/DOWN ( ) switches are used for navigating through the
various system conguration menu items. They also allow for programming
of other specic parameters within a selected menu. Pressing and holding
either switch will speed up the scroll rate, which can be helpful to speed up
the conguration time.
The EXECUTE ( ) switch is normally used to select/enter a menu item,
advance forward within a selected menu item, or toggle between parameters
within a selected menu item.
The ESCAPE ( ) switch is normally used to back up within a selected
menu item one step at a time or exit the menu completely.
The RESET switch has two purposes. First, it allows for quick exit from a
menu item after a programming change and automatically puts the system
into normal run mode. Second, it provides a soft reboot for the systems
microcontroller.
The programming switches are backlit with blue LED’s. The LED’s
automatically turn on when activity is sensed. The LED intensity can be
adjusted in the “LED INT” menu. Refer to page 27 for further details.
NOTE: When the J-PACK Series dimmer pack is powered up, the
menus are “LOCKED!!” with access only to the basic system
conguration menus, which includes setting the DMX start address
as well as enabling or disabling the end-of-line DMX termination.
The menus need to be “UNLOCKED” to access the advanced
system conguration menus. To toggle between “LOCKED!!”
and “UNLOCKED” press and hold down the EXECUTE and then
ESCAPE switches at the same time for 4-5 seconds.
A detailed procedure for programming all system conguration
menu items can be found on page 18 to 27.

WWW.JOHNSONSYSTEMS.COM 15
System Status • LED Indicators
RUN (Green)
Illuminates when the power is on and the microcontroller status is in normal run mode. The LED
ashes once every 2 seconds when the system is in STANDBY mode.
ØA, ØB and ØC (Green)
Illuminates when the line voltage for each phase is within the acceptable range of 100VAC to
130VAC for 120VAC operation and 200VAC to 260VAC for 240VAC operation, and the zero-cross
reference circuitry is functioning properly. The LED will ash slowly (once per second) when an
under-voltage is sensed - less than 100VAC for 120VAC operation, and less than 200VAC for
240VAC operation. The LED will ash quickly (twice per second) when an over-voltage is sensed
- greater than 130VAC for 120VAC operation, and greater than 260VAC for 240VAC operation.
RxD (Yellow)
Illuminates when valid DMX is received. Flashes when invalid DMX is received.
ERROR (Red)
Illuminates whenever one of three over-temperature sensing inputs are triggered. It also
illuminates when a fan error is sensed (stalled or disconnected). The error type is displayed on
the LCD.
System Status • LCD Display
When DMX is being received, the top line of the LCD display shows the DMX start address
(“DMX:001” to “DMX:512”), unless the system is in DMX patch mode, then “DMX:PAT” is
displayed. When DMX is not being received, the top line of the LCD display shows “MADD-6”,
unless the system is in standby mode, then “STANDBY!” is displayed. The bottom line of the LCD
display shows the current status of the system unless the system conguration menu items are
being accessed. Below are descriptions for each status indication.
NO RX!
Displayed when DMX is not being received and the system is not in scene mode.
XXX
Displayed when valid DMX is being received and is not terminated. “XXX” represents the number
of channels being received in each packet of data. For example, if the system is receiving 512
channels will show “512”.
XXX TERM
Same as above, except “TERM” is shown to indicate if the DMX input is terminated. For example,
if the system is receiving 48 channels of DMX control and is terminated, the display will show
“048 TERM”. Refer to menu items “DMX TERM” on page 18 for further details.
SH XX:YY
Displayed when DMX is disconnected and the systems predetermined DMX status hold (SH) time
is counting down. “XX” represents minutes while “YY” represents seconds. Refer to menu item
“SH TIME” on page 21 for further details.

WWW.JOHNSONSYSTEMS.COM
16
INF HOLD
Displayed when DMX is disconnected and the systems predetermined DMX status hold (SH) time
is set for innite (INF) hold. Refer to menu item “SH TIME” on page 21 for further details.
SCENE:XX
Displays the scene (1 to 6) that is currently activated. Refer to menu item “SCENEMOD” on page
23 for further details.
EXT-TEMP
Displayed when the an external over-temperature condition between 185°F to 203°F (85°C to
95°C) is sensed via the thermostat mounted on the heat sink inside the dimmer pack. All dimmer
outputs are disabled and the fan is turned on to full until the thermostat temperature drops to
within specication.
REM-TEMP
Displayed when a remote over-temperature condition of 185°F (85°C) or more is sensed via the
temperature sensor mounted on the heat sink inside the dimmer pack. All dimmer outputs are
disabled and the fans are turned on to full until the temperature cools down to 178°F (81°C) or
less. Refer to menu item “REM TEMP” on page 26 to view the remote temperature.
CTL-TEMP
Displayed when the microcontroller senses an internal over-temperature condition of 185°F
(85°C) or more. All dimmer outputs are disabled and the fans are turned on to full until the
temperature cools down to 178°F (81°C) or less. Refer to menu item “CTL TEMP” on page 26 to
view the microcontroller temperature.
Ø ERROR!
Displayed when an error is sensed on any of the input power phases. A phase error can be
caused from an under-voltage of less than 100VAC for 120VAC operation and 200VAC for
240VAC operation, an over-voltage of greater than 130VAC for 120VAC operation and 260VAC
for 240VAC operation, or if a zero-cross phase reference is not detected.
FAN ERR!
Displayed when a fan error is sensed, meaning the fan is either stalled or disconnected.
RTC ERR!
Displayed when the system detects a runtime counter (RTC) error. This occurs when there is
an invalid hard-key code and the runtime counter is greater than 2160 hours (90 days). Refer to
menu item “HARD-KEY” on page 26 for further details.
LOCKED!!
When the J-PACK Series dimmer pack is powered up, the menus are “LOCKED!!” with
access only to the basic system conguration menus, which includes setting the DMX start
address as well as enabling or disabling the end-of-line DMX termination. The menus need
to be “UNLOCKED” to access the advanced system conguration menus. To toggle between
“LOCKED!!” and “UNLOCKED” press and hold down the EXECUTE and then ESCAPE switches
at the same time for 4-5 seconds.

WWW.JOHNSONSYSTEMS.COM 17
Quick Programming Reference to System Configuration Menu Items
Basic Menus
1. ADDRESS Set the DMX start address.
2. DMX TERM Enable or disable the DMX termination.
Advanced Menus
3. SCENESET Enable and setup 6 different backup scenes.
4. FADETIME Set the fade time for each of the 6 scenes from 0 to 99 seconds.
5. SNAPSHOT Record DMX levels into the backup scenes.
6. DIM TEST Test the dimmer outputs one at a time, or all at once.
7. MONITOR View the control level to each dimmer output.
8. DMX O/P Congure the on-board DMX protocol manager for offset or patch mode.
9. DMX PAT Patch each of the 6 dimmer (PWM) outputs to any DMX input channel.
10. SH TIME Set the DMX status hold time from 0 to 99 minutes or innite.
11. DC PATCH Congure the dimmer to channel patch for the dimmer pack.
12. DIM CURV Congure the dimmer curve for each output.
13. VOUT LIM Set the maximum RMS output voltage for each dimmer.
14. REGULATE Enable or disable the dimmer output voltage regulation.
15. STANDBY Enable or disable the power savings standby mode.
16. TEST INC Set the test increment units to percent or hexadecimal.
17. SCENEMOD Enable or disable scene mode.
18. AUX TEST Test the auxiliary dry-contact inputs.
19. AUX1MODE Set the auxiliary input 1 mode to activate a selected scene or load shed.
20. AUX2MODE Set the auxiliary input 2 mode to activate a selected scene or load shed.
21. LOADSHED Select dimmers to be disabled (turned off) by the auxiliary inputs.
22. Ø-PATCH Set the zero-cross phase reference for each dimmer control output circuit.
23. WARMING Turn the “lamp warming” feature on or off.
24. V-RANGE Set the supply voltage range for 120 Volts or 240 Volts operation.
25. LINE V View the RMS line voltage for each power phase.
26. LINE F View the line frequency of phase A.
27. REM TEMP View the temperature of the remote temperature sensor.
28. CTL TEMP View the temperature of the microcontroller.
29. RTIME View the total run time of the microcontroller.
30. HARD-KEY View the microcontroller’s unique eight-character hard-key code.
31. SERIAL# View the microcontroller’s unique eight-character silicone serial number.
32. VERSION View the microcontroller’s rmware version.
33. DEFAULTS Set various system conguration settings to the factory default.
34. LED INT Set the LED intensity for the programming switches.
35. LCD VIEW Adjust the contrast of the LCD Display for optimum viewing.

WWW.JOHNSONSYSTEMS.COM
18
Detailed Programming of System Configuration Menu Items
NOTE: When the J-PACK Series dimmer pack is powered up, the menus are “LOCKED!!” with
access only to the basic system conguration menus, which includes setting the DMX
start address as well as enabling or disabling the end-of-line DMX termination. The
menus need to be “UNLOCKED” to access the advanced system conguration menus.
To toggle between “LOCKED!!” and “UNLOCKED” press and hold down the EXECUTE
and then ESCAPE switches at the same time for 4-5 seconds.
The sequence of the following system conguration menu items appear as the MENU DOWN ( )
switch is pressed. Pressing the MENU UP ( ) switch will sequence the system conguration
menu items in the opposite order. Pressing and holding either of the MENU UP/DOWN ( )
switches will speed up the scroll rate, which can be helpful to speed up the conguration time.
Basic Menus
1. ADDRESS Set the DMX start address.
The DMX start address can be assigned from 001 to 512.
Press EXECUTE to enter the menu.
DMX>001 Displays the current DMX start address for both DMX inputs.
DMX>512 Press MENU ( ) to modify and select the desired DMX start address.
DMX>001 Press both MENU ( ) simultaneously to toggle to DMX start address 001.
Press ESCAPE to exit the menu and save the selected DMX start address.
Press RESET to exit the menu without saving.
The menu will automatically timeout after 2 minutes of inactivity and save.
NOTE: DMX O/P must be set to OFFSET mode for this menu to function.
2. DMX TERM Enable or disable the DMX termination.
Activates and deactivates a 120Ω termination resistor. DMX termination is indicated
on the LCD display when DMX is being received. When the DMX input is not
terminated (DISABLED) the LCD display will read XXX. When the DMX input is
terminated (ENABLED) the LCD display will read XXX TERM.
ENABLED Press EXECUTE to toggle termination from ENABLED to DISABLED.
DISABLED Press EXECUTE to toggle termination from DISABLED to ENABLED.
Any change in the conguration is automatically saved.
NOTE: Ensure only the last (end-of-line) DMX receiving device is terminated!

WWW.JOHNSONSYSTEMS.COM 19
Advanced Menus
3. SCENESET Enable and setup 6 different backup scenes.
When scene mode (SCENESET) is activated the selected scene will be held with no
timeout until the menu is exited. The 6 control channel levels are congured within
the menu and can be modied on the y. Scene mode is useful when an external
controller is not available and independent internal control is required.
Press EXECUTE to enter the menu and activate scene mode.
SCENE>01 Displays the scene (01) to be activated.
SCENE>06 Press MENU ( ) to select a different scene from 01 to 06.
CTRL: ON Control (CTRL) is ON via the selected scene.
CTRL:DMX Control (CTRL) is via DMX and takes priority over scene mode.
CTRL:HLD Control (CTRL) is via DMX status hold (HLD) and takes priority over scene mode.
CTRL:INF Control (CTRL) is via DMX status hold (INF) and takes priority over scene mode.
SCENE>06 Press EXECUTE to activate the selected scene.
SCENE:06 The colon (:) ashes twice per second while fading to the selected scene.
SCENE:06 The colon (:) stops ashing when fade is complete and the selected scene is active.
SCENE>06 Press MENU ( ) to select a different scene from 01 to 06.
SCENE 06 Press EXECUTE to modify the selected scene.
C>01L 00 The second line on the LCD indicates the control channel (C) and level (L).
C>06L 00 Press MENU ( ) to select the control channel (C) to modify from 01 to 06.
C 06L>00 Press EXECUTE to toggle from channel (C>) to level (L>) selection.
C>06L 00 Press ESCAPE to toggle from level (L>) to channel (C>) selection.
C 06L>FF Press MENU ( ) to select the output level (L) for the selected channel from 00 to FF.
CLEAR??? Press EXECUTE to clear the selected preset, and set all channels to 00 level.
SURE ??? Press EXECUTE if you are sure to clear the selected preset.
DONE !!! Indicates the selected preset has been cleared.
WAIT... Press ESCAPE to exit and the menu and save programmed scene levels.
Press ESCAPE to back-up within the menu, or exit/deactivate scene mode.
Press RESET to exit scene mode without saving programmed scene levels.
NOTE: When scene mode is activated, DMX and DMX status hold (SH-TIME)
automatically takes precedence over scene mode.
4. FADETIME Set the fade time for each of the 6 scenes from 0 to 99 seconds.
The factory default is 5 seconds for all 6 scenes.
Press EXECUTE to enter the menu.
S>01T 05 Displays the scene (S>01) and assigned fade time (T 05).
S>06T 05 Press MENU ( ) to select a different scene from 01 to 06.
S 06T>05 Press EXECUTE to toggle between scene (S>) and fade time (T>) selection.
S 06T>99 Press MENU ( ) to select a different fade time from 00 to 99 seconds.
Press ESCAPE to exit the menu and save the selected fade time.
Press RESET to exit the menu without saving.
The menu will automatically timeout after 2 minutes of inactivity and save.

WWW.JOHNSONSYSTEMS.COM
20
5. SNAPSHOT Record DMX levels into the backup scenes.
Provides a quick and easy way to save control channel levels into each of the 01 to
06 backup scenes using a DMX source.
Press EXECUTE to enter the menu and activate snapshot mode.
SAVE >01 Press MENU ( ) to select a different scene from 01 to 06.
SCENE>06 Press EXECUTE to store DMX levels in the selected scene.
SURE ??? Press EXECUTE if you are sure the DMX levels are set as intended.
DONE !!! DMX levels have now been saved in the selected scene.
NO RX! DMX is not being received on either input, so a snapshot is not possible.
Press ESCAPE to back-up within the menu, or exit/deactivate snapshot mode.
Press RESET to exit/deactivate snapshot mode.
6. DIM TEST Test the dimmer outputs one at a time, or all at once.
A technician’s best friend! Used for troubleshooting the dimmer outputs and eld
wiring to the load.
Press EXECUTE to enter the menu and activate dimmer test mode.
D 01L>00 Displays the active dimmer (D) and the test level (L).
D 01L>50 Press MENU ( ) to select the desired test level.
D 01L>FF Press ESCAPE to toggle the test level from full-on (FF) and off (00).
D>01L FF Press EXECUTE to toggle between the dimmer (D>) and the test level (L>).
D>ALL FF Press MENU ( ) to select the active dimmer from 01 to 06 or ALL.
Press ESCAPE or RESET to exit the menu.
The menu will automatically timeout after 2 minutes of inactivity.
7. MONITOR View the control level to each dimmer output.
The dimmer control level is displayed as a 9-bit value from 000 to 512. This menu
does not timeout automatically and will continue to monitor indenitely.
Press EXECUTE to enter the menu and activate monitor mode.
D>01L000 Press MENU ( ) to select the dimmer (D) output to monitor from 01 to 06.
D>06L512 Display shows dimmer 06 has full-on control.
Press ESCAPE or RESET to exit the menu.
NOTE: The control level value will not reach 512 when voltage output limiting is
activated, or when regulation is enabled and the line voltage is greater than
118VAC for 120VAC operation or 236VAC for 240VAC operation.
8. DMX O/P Congure the on-board DMX protocol manager for offset or patch mode.
OFFSET mode is typically used for the majority of systems, and is the factory default.
OFFSET mode refers to the DMX start address, with each of the 6 dimmer (PWM)
outputs addressed sequentially from the DMX start address.
PATCH mode provides full exibility for addressing each of the 6 dimmer (PWM)
outputs. Each of the 6 dimmer (PWM) outputs can be patched to (controlled from) any
DMX input channel from 001 to 512.
With DMX patch mode activated, any conguration within the ADDRESS and DC
PATCH menus is ignored, and the DMX patch congured within the DMX PAT menu
takes precedence.
Press EXECUTE to enter the menu and congure the DMX mode.
DISABLED This menu is disabled to help prevent inadvertent changes.
ENABLED Press and hold MENU ( ) and MENU ( ) at the same time for 4-5 seconds.
OFFSET Press EXECUTE to toggle the DMX mode from OFFSET to PATCH.
PATCH Press EXECUTE to toggle the DMX mode from PATCH to OFFSET.
Press ESCAPE or RESET to exit the menu.
Any change in the conguration is automatically saved.