Johnson-systems CD-3000 Series Retrofit Control System Manual de usuario descargar pdf (Pagina 13)

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+12V

Common

Analog

Input

1 Thru 4

Common

+12V

Analog

Input

1 Thru 4

Maintained

Normally

Open

Switch

Contact

Control Input/Output Connections

All CD-3000 systems come with a variety of control input and output (I/O)

capabilities. All I/O connections are terminated on the Backplane.

Breakaway type connectors are supplied for all I/O connections.

• Use wire size #28 to #12 AWG. Strip insulation length to 0.3” (7.5mm).

• Torque terminations to 3.6 IN-LBS (0.4 NM).

NOTE: For connection use copper wire only, rated for 167°F (75°C)

minimum.

Dual DMX Input and Thru

• DMX A (SHIELD/COMMON, DATA-, DATA+) is terminated on the J9 and

J10 connectors.

• DMX B (SHIELD/COMMON, DATA-, DATA+) is terminated on the J11

and J12 connectors.

• For multi-rack CD-3000 installations, a 10 foot (3 meter) CAT 5e patch

cable is supplied. This cable is used to daisy-chain the DMX A and DMX

B between systems. The CAT 5e patch cable terminates to J13 and J14

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: Ensure only the last (end-of-line) DMX receiving device is terminated!

+12VDC Power Supply Output

• A regulated +12VDC power supply is available for powering

external devices.

• Terminate on +12V and COMMON of J16 connector.

• External devices should not exceed the maximum combined

current draw of 2 Amps.

0-10VDC Analog Inputs or Load Shed Contact Inputs

• Four (4) analog inputs terminate on J17 connector.

• Inputs can be congured for normal or load shed mode of operation.

• Inputs can be patched to any combination of dimmer output circuits.

• Programmed in the “ANA MODE” and “ANA PAT” menus.

See page 26 for details.

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Johnson-systems CD-3000 Series Retrofit Control System Manual de usuario Pagina 13

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