Subject:
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Re: Block STACKING - feb 2005?
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Thu, 25 Nov 2004 22:07:47 GMT
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Viewed:
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566 times
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"Calum Tsang" <tsangc@mie.utoronto.ca> wrote:
> Serial? I guess the IR port is a serial port of sorts, but by serial I • presume
> you mean by serial port like an SPI interface to link up extra devices,
right?
Calum, SPI is as far from Serial as... as far as cerial is from a mushy
banana. :)
SPI uses 2 16-pin connectors (M/F F/M) on the moulding machine/robot, each
line has a specific designated signal and everything is dry-contact (relays)
at 24 VDC. Its old, crude, clunky, but safe - and it works like a charm.
Signals like "Mould fully open", "Permit Ejector Retract", "Cores fully
pulled", "Robot clear of IMM", and "Hey! I'm in the mould, don't squish
me!" etc... :)
Iain
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Message has 1 Reply:
 | | Re: Block STACKING - feb 2005?
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| (...) No, it's a different SPI: (URL) MiniBoard (which the RCX was based on) has this thing called SPI, which allows you to link multiple Miniboards together. It is a serial protocol. What you're talking about sounds like a dry contact general (...) (20 years ago, 25-Nov-04, to lugnet.org.ca.rtltoronto)
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