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I-8084W

4/8-channel Counter / Frequency / Encoder

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Digital Input
Mode
Counter / Frequency 4-ch Up/Down Counter (CW/CCW)
4-ch Dir/Pulse Counter (Bi-direction)
4-ch A/B Phase (Quadrant Counting)
8-ch Up Counter 8-ch Frequency
Digital Noise Filter 1 ~ 32767µs
Isolated Input Level On Voltage Level: +4.5 VDC ~ +30 VDC
Off Voltage Level: +1 VDC Max.
TTL Input Level On Voltage Level: +2 VDC ~ +5 VDC
Off Voltage Level: 0 VDC ~ +0.8 VDC
Minimum Pulse Width 2 µs
Input Frequency 1Hz ~ (typically) 250kHz (both counter mode and frequency mode)
where 250kHz is calculated as follows:
supposed that duty cycle = 50%, refer to Minimum Pulse Duration of High Level, we have pulse period = 2 µs x 2 = 4 µs, which is 250kHz as a maximum.
Maximum Frequency:
refer to Minimum Pulse Duration of High Level, maximum frequency is highly affected by duty cycle.
Frequency Accuracy = ± 0.4%
EEPROM 128KB
Isolated Voltage 1000Vrms
ESD Protection 2kV (Contact for each channel)
Indicators & Bus Type
LED Display 1 x LED as Power Indicator
8 x LED as Digital Input Indicators
Bus Type Parallel
Power
Power Consumption 1W
Physical and Environmental
Dimensions 30mm x 102mm x 115mm
Operating Temperature -25 ~ 75°C
Humidity 5 ~ 95%, non-condensing

Internal Structure :

 I-8084W

Pin Assignments :

 I-8084W

Wiring Diagram :

 I-8084W

I-8084W