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This topic comprises 2 pages: 1 2
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Topic: Super simple automation with Christie Solaria One?
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Carsten Kurz
Film God
Posts: 4340
From: Cologne, NRW, Germany
Registered: Aug 2009
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posted 02-09-2013 08:11 AM
Ronda - getting jnior and associated gear to work is not exactly your job as an operator. While the technically skilled are certainly able to do it on their own, the learning curve is just too steep. Get someone in with the necessary knowledge.
Replacing lights from a classic 'lights down' auditorium into modern CFL/LED based fixtures is not easy. Probably the cheapest way to do this is through DMX, which is a well established light control protocol broadly used in the stage/theater area.
There are network/ethernet DMX bridges available that will let you control all sorts of light equipment through the Christie IMS Playlist feature. The Jnior is a generic automation device and COULD be used in conjunction with other interfaces.
Again, get someone in with a good understanding of this.
Classic dimmers will not work with LED or flurorescent lights, at least not 'nicely', that is, cold from 0% to 100%.
For now, we keep our classic motor dimmers and use high-voltage tungsten bulbs. They give a very nice light, save some energy compared to the old simple bulbs. Plus - they last longer (even more when always brought up through the dimmer).
We use fluorescent and LED in areas where they do not need to be dimmed.
LED certainly has a bright future. But there is not enough standards yet as far as form, light colour, brightness and other parameters go. Good for special light design, etc, but not yet for general lighting.
- Carsten
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Ronda Fitzsimmons
Film Handler
Posts: 75
From: Pottstown, PA, USA
Registered: Sep 2002
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posted 02-09-2013 01:16 PM
Thanks Carsten,
I've been researching the DMX lighting systems to see if I can do a conversion for about the price of traditional automation. It makes sense to me to do what we can to save money in operations, and to reduce our footprint. Good to know there are commands through the Christie system available. I wasn't able to locate a source of info on this. Might I ask where you found it?
I'm the owner, not an operator per se, and I'm fairly technically inclined. While I'm always happy to hire help in situations that require expertise, it's been my experience that my understanding deeply the issues and choices involved help to create long term solutions that work for everyone.
Usually, I know just enough to be dangerous Sometimes, I can help a staff member save a show or fix something. Mostly, I help them figure out who to call when it could be one of several issues.
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Carsten Kurz
Film God
Posts: 4340
From: Cologne, NRW, Germany
Registered: Aug 2009
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posted 02-09-2013 03:09 PM
Ronda, most 'classic' servers have a set of GPIO/relay contacts which can be used to control curtains, masking, lights. On the Christie IMS, there is not enough space on the board, and Christie also probably wanted to keep direkt GPIO away from their IMS.
So, networked control interfaces are your only option. The Christie IMS allows you to setup playlist macro cues that may contain the sending of commands over ethernet. It's more or less the same as used e.g. on a Doremi server.
For more infos, have a look at the Christie IMB integration guide:
http://www.christiedigital.com/SupportDocs/Anonymous/020-100962-02-Christie-LIT-GUID-INTEG-Christie-IMB.pdf
A Jnior is certainly a good starting point to gain some experience. If your dimmer can be controlled by simple relay/button contacts, the Jnior will do.
A networked control interface has another benefit compared to a server integrated GPIO - it can be controlled even when the server is powered down. It can be controlled from multiple sources on the same network. E.g. a single Jnior could be controlled from multiple Christie IMS'. Or, in addition to an IMS, you can issue commands for light, etc. from another plain PC on the network, tablet, smartphone, etc.
- Carsten
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Carsten Kurz
Film God
Posts: 4340
From: Cologne, NRW, Germany
Registered: Aug 2009
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posted 02-15-2013 09:02 AM
Yep - e.g. the Doremi IMS for Barco and NEC S2k still has discrete GPIO on the server. Only the Christie IMS lacks them.
There are other Ethernet-IO converters available, some also cheaper than the JNIOR, but as Steve said, the JNIOR is the defacto standard in digital cinema, most manuals deal with them, most servers have presets/libraries for them, so, go with it.
You may be able to make a deal on ebay or elsewhere. These are not only sold into the cinema business.
And as I said, it may be possible to control multiple screens with just one Jnior, as long as you only need dimmer switching.
- Carsten
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