YZ Systems Milton Roy • 201 Ivyland Road • Ivyland, Pennsylvania • USA • 18974 • P: 281.362.6500 • www.yzsystems.com
Page II
NJEX EUR ver. 08-2021
NJEX Table of Contents
Section 5: Programming for Proportional-to-Flow Operation ....................................................
Setting Operator Input Parameters
....................................................................................................
Odorant injection rate in mg/m3 of gas
..............................................................................................
Pump displacement in cc/stroke ........................................................................................................
Odorant density in g/cc @ 15.5ºC .....................................................................................................
Max gas flow in m3/sec .....................................................................................................................
Low Flow Shut Off .............................................................................................................................
Flow (no signal) input ........................................................................................................................
Maximum Time/Stroke .......................................................................................................................
The Odorant Output Setting ..............................................................................................................
Odorant Tank .....................................................................................................................................
Expansion Tank Pressure Monitoring ...............................................................................................
Odorant Inlet Pressure Monitoring
....................................................................................................
Alarm to Relay Delay ........................................................................................................................
Alarm to Call Out Delay ....................................................................................................................
MODBUS Address ............................................................................................................................
MODBUS Parameters ......................................................................................................................
Conclusion .........................................................................................................................................
Section 6: Programming for Proportional-to-Time Operation ....................................................
Setting Operator Input Parameters
....................................................................................................
Pump displacement in cc/stroke ........................................................................................................
Odorant density in g/cc. @ 15.5ºC ....................................................................................................
Time interval between strokes of the pump in xx.xx minutes/stroke: ................................................
The Odorant Output Setting ............................................................................................................
Odorant Tank .....................................................................................................................................
Expansion Tank Pressure Monitoring ...............................................................................................
Odorant Inlet Pressure Monitoring
.....................................................................................................
Alarm to Relay Delay ........................................................................................................................
Alarm to Call Out Delay ....................................................................................................................
MODBUS Address ............................................................................................................................
MODBUS Parameters ......................................................................................................................
Conclusion .........................................................................................................................................
Section 7: Calibrating Signal Inputs .............................................................................................
Analog Flow Input Calibration, 1-5 VDC / 4-20 mA ...........................................................................
Expansion Tank Pressure Transmitter Zero Calibration ....................................................................
Odorant Inlet Pressure Transmitter Zero Calibration .........................................................................
Pulse Flow Input Calibration, Dry Contact & Voltage Pulse ..............................................................
Calculation for Determining the Span Frequency Example ...............................................................
Summary of Contents for NJEX 6300G
Page 1: ...NJEX 6300G 7300G N A T U R A L G A S O D O R I Z A T I O N S Y S T E M...
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Page 3: ...NJEX 6300G 7300G Instruction Operating Manual Version 08 2021...
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