参数资料
型号: H-38-11
厂商: Bourns Inc.
文件页数: 40/73页
文件大小: 0K
描述: HDWR NUT MOUNTING FOR ECW ENCODR
产品变化通告: H-38-11 Hardware Change 26/Jul/2010
标准包装: 1,000
产品目录页面: 2575 (CN2011-ZH PDF)
配用: ECW1DB24BC0024-ND - ENCODER DIGITAL CONT 24 CPR
ECW1JB24BC0024-ND - ENCODER DIGITAL CONT 24 CPR
Application Notes
The logic circuits in Figures 22 and 23 illustrate two
techniques for interfacing a quadrature output
encoder with a system’s microprocessor.
Figure 22: Typical Circuit for Producing Direction
(up/down) and Magnitude (count) Signals
Figure 23: Typical Circuit for Producing Count Up and
Count Down Signal
If necessary, rise/fall times can be reduced using the
inverters as illustrated in Figure 24.
The typical switch time for the ASIC used in the EN
Series is 500 nanoseconds. In applications where
high-speed transition times are encountered, voltage
spikes may cause a code output error. To eliminate
the voltage spikes, we suggest placing a 0.01mf
capacitor in the circuit between Vcc and GND.
Figure 24: Circuit for Reducing Signal Rise/Fall Times
39
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