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Model: I-87084W |
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I-87084W-G is a 32 bits hardware high speed Counter/Frequency/Encoder Input Module with "Up Counter¡¨¡B"Frequency"¡B "Up/Down Counter"¡B "Dir/Pulse Counter" and "A/B Phase Counter" mode.
I-87084W-G can has variety mode combination for all 8 channels. That means it can use some channels as ¡§Up Counter¡¨ and others as "Frequency" or "A/B Phase". |
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- Support 8 Up Counter.
- Support 8 Frequency.
- Support 4 Up/Down.
- Support 4 Dir/Pulse Counter.
- Support 4 A/B Phase Counter.
- Support 1~32767 (us) digital filter.
- Support isolated and non-isolated input signals.
- Equip with Power and Input signal LED indicators.
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Counter measurement, Frequency measurement and Encoder motion control. |
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| Digital Input |
| Model |
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 ~ 32767 £gs |
| Isolated Input Level |
On Voltage Level |
+3.5 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 |
| Input Frequency |
TTL Mode:
1 Hz ~ (typically) 500 kHz (both counter mode and frequency mode)
(where 500 kHz is calculated as followings:
supposed that duty cycle = 50%, refer to Minimum Pulse Duration of High Level, we have pulse period = 1 £gs x 2 = 2 £gs, which is 500 kHz as a maximum)
Isolated Mode:
3.5~ 10V: 1Hz ~ (typically) 200kHz
10V ~ 30V: 1Hz ~ (typically) 150kHz
Maximum Frequency :
refer to Minimum Pulse Duration of High Level, maximum frequency is highly affected by duty cycle
Frequency Accuracy = ¡Ó 0.4 % |
| Isolated Voltage |
2000 VDC |
| ESD Protection |
4 kV (Contact for each channel) |
| Watchdog |
| Dual Watchdog |
Yes, Module(1.6 sec) and Communication(Programable) |
| LED Display |
| 1 LED as Power Indicator |
| 8 LEDs as Digital Input Indicators |
| Power |
| Power Consumption |
0.6 W |
| Environment |
| Operating Temperature |
-25 ~ 75 ¢XC |
| Storage Temperature |
-30 ~ 75 ¢XC |
| Humidity |
5 ~ 95% RH, non-condensing |
| Dimensions |
| 30mm x 102mm x 115mm((W x L x H)Detail |
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| I-87084W-G CR |
4/8-channel Counter/Frequency/Encoder Module (Gray Cover) (RoHS) |
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