Features and Specifications 9
HIT-4U HP-327
2.2 Inputs
Magnetic Pickup:
Frequency Range: 0.2 Hz to 5000 Hz.
Signal Level: 30 mV
P-P
to 30 V
P-P
.
Opto-Isolated DC Pulse:
Frequency Range: 0 Hz to 3000 Hz.
Signal Level: 0 to +DC pulse.
Internal Pull-Up 10 kΩ to +DC
Low (Logic 0): < 1 VDC
Min Pulse width: 0.1 msec
Contact Closure:
Frequency Range: 0 Hz to 5000 Hz
Internal Pull-up: 220 kΩ to +3.3 VDC
Reset:
Signal Type: Contact closure
Min Time On: 25 msec
Internal Pull-up: 35 kΩ to +3.3 VDC
External Magnet
MCP/RF Pickup
2.3 DC Power/Loop Powered
Voltage: 8 to 30 VDC
Current: < 24 mA
Loop Burden: 8 VDC maximum
Supply Backup: Two (C) Size Lithium or battery pack for
Ex systems
Battery Life: 2 years typical-Two (C) size battery
1 year typical-Ex system battery pack
Protection: Reverse polarity protected
2.4 Analog Output
Scale: 4 – 20 mA follows rate.
Accuracy: 0.02% of Full Scale @ 20ºC.
Temperature drift: 40 ppm/°C
Update Time: 0.125 seconds.
Protection: Reverse polarity protected
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