參數(shù)資料
型號(hào): PE12316
廠商: Electronic Theatre Controls, Inc.
英文描述: Triple Incremental Encoder
中文描述: 三增量編碼器
文件頁(yè)數(shù): 3/29頁(yè)
文件大?。?/td> 1542K
代理商: PE12316
PE12316
Triple
Incremental Encoder
February 6, 2003 Preliminary (Version 1.1)
Applications:
The PE12316 enables mechanical devices to be
interfaced with microprocessors. It may be used
in many diverse applications, including robotics,
tooling machines, elevators,
Architecture:
Within each channel there are four main
elements:
1. The measurement and mode control
logic generates up or down count
pulses, internal signals I1 and I2, from:
-
Quadrature signals Ua1, Ua2 and zero
pulse Ua0n*
-
Clock input
-
Mode controls M0n*, M1n* and M2n*
2. A 16-bit counter made up from two
independently loadable 8-bit counters.
3. A 16-bit latch which “freezes” the
counter value when required.
4. A multiplexer that allows the processor
to read either upper or lower byte in the
latch.
February 6, 2003 (Preliminary Version 1.1)
Page 3/29
PE12316
conveyor belts and transport mechanisms. Since
it contains three channels each PE12316 can
support three measurements or axes of motion.
Supporting the three channels:
The control logic provides common micro-
processor
interface
multiplexer allows the processor to select data
from one of the three channels and the three-
state buffers place this data on the bus.
* The suffix n is a placeholder for either channel
1, channel 2 or channel 3 and will be used in this
manner throughout the whole document.
signals;
the
output
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