Martin MAC 600E Manual de usuario descargar pdf (Pagina 9)

Data connection

ATA

CONNECTION

The MAC 600 (E) NT has locking 3-pin data input and output sockets that are compatible with DMX 512 devices, i.e.,

pin 1 to shield, pin 2 to cold (-) and pin 3 to hot (+). If required, the polarity of pins 2 and 3 can be reversed for

compatibility with earlier Martin fixtures.

Connecting fixtures

ADAPTOR CABLES

The following adaptor cables are available for connection to devices with different sockets.

To connect the data link

1 Connect the controller’s DMX data output to the MAC 600 (E) NT’s data input with a cable such as the one

supplied. Insert a 5-pin to 3-pin adaptor if the controller output has 5 pins. (Pins 4 and 5 are not used.)

2 To continue the link, connect the output of the fixture closest to the controller to the input of the next fixture.

Note: Martin fixtures introduced before 1997 have reversed polarity data sockets, i.e., pin 2 hot (+) and pin 3 cold (-).

The socket polarity is labelled. Use a phase-reversing cable between the MAC 600 (E) NT (or other DMX-compatible

device) and any Martin device with reversed polarity.

3 Insert a male 120

Ω

XLR termination plug in the output of the last fixture on the link.

TIPS FOR BUILDING A DATA LINK

• Use shielded twisted-pair cable designed for RS-485 devices: standard microphone cable cannot transmit

control data reliably over long runs. 24 AWG cable is suitable for runs up to 300 meters (1000 ft). Heavier

gauge cable and/or an amplifier is recommended for longer runs.

• Never use a “Y” connector to split the link. To split the serial link into branches use a splitter such as the

Martin 4-Channel Opto-Isolated RS-485 Splitter/Amplifier.

• Do not overload the link. Up to 32 devices may be connected on a serial link.

• Terminate the link by installing a termination plug in the output socket of the last fixture. The termination

plug, which is a male XLR plug with a 120 ohm, 0.25 watt resistor soldered between pins 2 and 3, “soaks

up” the control signal so it does not reflect and cause interference. If a splitter is used, terminate each

branch of the link.

Phase-Reversing

Cable

Male Female

3-pin to 3-pin

Connections

P/N 11820006

Phase-Reversing

Cable

Male Female

3-pin to 5-pin

Connections

P/N 11820002

Phase-Reversing

Cable

Male Female

5-pin to 3-pin

Connections

P/N 11820003

Straight

Cable

Male Female

5-pin to 3-pin

Connections

P/N 11820005

Straight

Cable

Male Female

3-pin to 5-pin

Connections

P/N 11820004

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 31 32

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Martin MAC 600E Manual de usuario Pagina 9

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