On 16/08/06, Peter Loveday <[EMAIL PROTECTED]> wrote: > I can't find reference to it in any databook or online resource. Is there > any other marking, or manufacturer? > > Is it possible its a programmable gate array chip of some sort? ULA is a > common abbreviation for various types of these (Uncommited Logic Array) - > does it just drive a 5V stepper, or are we talking analogue motor control?
It appears to be some rudimentary form of PWM controller driving an SCR, inputs are analogue but it currently only runs at a single speed regardless of input yet it recognizes the tachometer input. If I can't sort this I'm up for a grand to replace my washing machine :-( -- Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://home.swiftdsl.com.au/~distudio//publications/ Pentax user since 1986, PDMLer since 1998 -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
