Simpler microprocessor control for Boy Machines. (Injection Molding).The new Procan MD microprocessor control system from Boy Machines Inc., Exton, Pa., is a simpler version of the previous Procan 2 system control that it now replaces. The new system makes optional all ancillary functions that were standard on the Procan 2, such as floppy disk or RS232 port. Procan MD is supplied on Boy's M series of presses. It is standard on its new 55- and 90-ton models and optional on 22- and 30-ton units. The system offers an intermediate level between Boy's Dipronic solid-state control for D series machines and its top-of-the-line Procan CT (color touchscreen) system for the A series. An optional version of Procan MD offers an on-screen on·screen or on-screen adj. & adv. 1. As shown on a movie, television, or display screen. 2. Within public view; in public. imitation of the Dipronic control panel, so users familiar with Dipronic layout and operation can upgrade from toggle switches A device that opens and closes an electric circuit. It uses a lever that is moved back and forth; a light switch on the wall being a common example. Old computers often had rows of toggle switches on their consoles, making them look very formidable. to microprocessor control. Procan MD combines pushbuttons and a flat, backlit An LCD screen that has its own light source from the back of the screen, making the background brighter and characters appear sharper. , LCD screen. The system stores up to 30 set-ups in EEPROM (Electrically Erasable Programmable ROM) A rewritable memory chip that holds its content without power. Although EEPROMs spawned flash memory, EEPROMs are byte addressable at the write level, whereas flash chips must erase a block of bytes before rewriting. and displays SPC/SQC trend charts. Mean values with standard deviation In statistics, the average amount a number varies from the average number in a series of numbers. (statistics) standard deviation - (SD) A measure of the range of values in a set of numbers. for any two process parameters can be shown on a single screen. Tolerance limits can be assigned to trip an alarm if actual values move out of range. *9* |
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