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How do i use the analog outputs 8 pin with on a light master 12 xl. The manual does not reference them at all. awill they drive an \act 6 dimmer pack and a Pulsar 6 channel dimmer pack?

 

thanks dave @ apex studios

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Hi Dave,

The analogue 8 pin DIN connectors on the back of the console will control 6 channels, using a 0 to +10v signal. 

This information can be found on Page 35 of the manual, attached to the article below...

http://support.zero88.com/975532281

I believe Strand ACT6 dimmers have the ability to switch between receiving a 0 to +10v signal or 0 to -10v signal, so ensure this is set to receive a positive voltage. You’ll then be able to connect the console and dimmer together, and have intensity control of the dimmer channels.

Pulsar dimmers are usually wired differently, so I would recommend consulting your Pulsar dimmer’s Manual to determine the control pinout.

Lightmaster consoles use the following Output pinout...

Pins 1-6 are channels 1-6

Pin 7 supply voltage from the dimmer  

Pin 8 is Ground

Hope this helps, if you have any queries let me know. 

Edward

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3 hours ago, Edward- Z88 said:

I believe Strand ACT6 dimmers have the ability to switch between receiving a 0 to +10v signal or 0 to -10v signal.

That is true of "newer" ACT6s however early Strand equipment (including ACT6 models from the 1980s to early 1990's) had a fixed 0 to -10V control signal. This requires an "inversion" circuit to change the 0 to +10V to 0 to -10V control voltage.

This link discusses such a circuit for Strand dimmers using 0 to -10V control voltage, if you are capable of some straightforward low-voltage electronics construction:

http://sound.whsites.net/project90.htm

(You need the lower circuit example to go from +10V signalling from the desk to the -10V signalling required by the ACT6 dimmer).

Also regards the pinout of the DIN8, Zero88 and Strand use the same pinout - pins 1-6 are channels 1-6, pin 7 is a desk supply (output on a dimmer, input on a desk), and pin 8 is 0V/GND. Don't connect pin 7 unless you know it's the correct voltage for the desk. For example Betapacks output +20V (switchable to -20V) but the ACT6 may output -15V which would be useful to power your inverter circuit above.

Pulsar (and Zero88/Strand) pinout here: https://www.blue-room.org.uk/index.php?showtopic=27209&view=findpost&p=228788

 

Kevin

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