Features and Specifications 9
HIT-4L
HP-329
2.2 Flowmeter 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
MCP/RF Input
2.3 Temperature and Pressure Inputs
Temperature Input:
Type:
*4-20 mA, 100
Ω
RTD (DIN385)
Resolution:
12 bit
Pressure Input:
Type:
*4-20 mA
Resolution:
12 bit
*4-20 mA input not available with battery power.
2.4 DC Power/Loop Powered
Voltage:
8 to 30 VDC
Current:
< 24 mA
Loop Burden:
8 VDC maximum
Supply Backup:
One C-size 3.6V lithium or
battery pack for Ex system
Protection:
Reverse polarity protected
Summary of Contents for HIT-4L
Page 2: ......
Page 30: ...24 Installation HP 329 HIT 4L This page intentionally left blank...
Page 42: ...Operation 36 HP 329 HIT 4L This page intentionally left blank...
Page 52: ...HIT 4 Communication Program 46 HP 329 HIT 4L This page intentionally left blank...
Page 68: ...62 HIT 4 Communication Program HP 329 HIT 4L This page intentionally left blank...
Page 71: ...Appendix A Declaration of Conformity 65 HIT 4L HP 329 APPENDIX A DECLARATION OF CONFORMITY...
Page 72: ...66 Appendix A Declaration of Conformity HP 329 HIT 4L...
