Topical Index
I-2 Rev 2/01
Description ..............................................................4-1
Duty Cycle ....................................................... 1-15, 1-16
E
E1, E2, and E5............................................................2-12
eFlow EF-Series Flow Computer.................................1-1
EFM .............................................................................1-3
EIA-232 Communications Cards .................................3-3
EIA-485 Communication Cards...................................3-5
Electrical Isolation.......................................................1-10
Electromagnetic Interference .....................................1-10
Electronics Board................................................. 2-1, 2-8
EMF ............................................................................G-2
EMI .................................................................. 1-10, 2-16
Enclosure.............................................................. 1-3, 1-7
Energy ..........................................................................2-4
Energy Accumulation...................................................2-4
Environmental
Requirements...........................................................1-7
Event Log.....................................................................2-6
Extension Calculation ..................................................2-3
F
Field Wiring ...............................................................2-15
Figure 1-1. eFlow EF-Series Flow Computer .............1-4
Figure 1-2. Outline and Mounting Dimensions.........1-13
Figure 1-3. Solar Insolation in Hours for the United
States ........................................................................1-18
Figure 2-1. Main Electronics Board............................2-9
Figure 2-2. Earth Ground Connection.......................2-17
Figure 2-3. Power Input Terminal Connector............2-17
Figure 2-4. Battery and Solar Panel Connections .....2-19
Figure 2-5. Auxiliary Power Terminals.....................2-21
Figure 2-6. RTD Wiring Terminal Connections ........2-22
Figure 2-7. Discrete Output Terminal Wiring ...........2-23
Figure 2-8. Operator Interface Wiring.......................2-25
Figure 2-9. ROC Flags ..............................................2-30
Figure 2-10. Cold Start Options ................................2-31
Figure 2-11. Reset Jumper Shown in Normal Position ....
..................................................................................2-32
Figure 3-1. EIA-232 Serial Communications Card.....3-3
Figure 3-2. EIA-485 Serial Communications Card.....3-5
Figure 3-3. Dial-up Modem Communications Card....3-6
Figure 3-4. Communications Card Location...............3-9
Figure 3-5. Wiring Switched Auxiliary Power..........3-11
Figure 4-1. Removing the Sensor from Service ..........4-6
Figure 4-2. Returning the Sensor to Service ...............4-7
Firmware .............................................................. 1-5, 2-3
Flash Memory ..............................................................2-8
Flash ROM...................................................................1-4
Flow .............................................................................2-4
Flow and Energy Accumulation...................................2-4
Flow Measurement.......................................................2-3
Flow Sensor................................................................. 4-1
Configuration.......................................................... 4-3
Wiring................................................................... 2-25
Flow Time ................................................................... 2-3
Flowing Minutes.......................................................... 2-4
Functions ..................................................................... 2-3
G
Grid Impedance.......................................................... 1-10
Ground Rod................................................................ 1-10
Grounding
Earth Ground......................................................... 1-10
Ground Wiring...................................................... 2-16
Wiring Requirements............................................ 1-10
Group A....................................................................... 1-9
Group B....................................................................... 1-9
Group C....................................................................... 1-9
Group D....................................................................... 1-9
Groups C, and D .......................................................... 1-9
H
Hardware Watchdog .................................................. 2-13
Hazardous Locations ................................................... 1-9
History Log.................................................................. 2-5
History Points.............................................................. 2-4
Host Port.................................................................... 2-10
Wiring..........................................................2-25, 3-10
Hourly Historical Log.................................................. 2-5
I
I/O
Built-in.................................................................... 1-4
I/O Power Requirements ........................................... 1-15
I/O Wiring Requirements .......................................... 1-11
Impedance
Grid....................................................................... 1-10
Input and Extension Calculation.................................. 2-3
Input Terminal Wiring ............................................... 2-16
Installation
Communications Cards........................................... 3-8
Guidelines............................................................... 1-7
Startup .................................................................. 1-20
Wiring................................................................... 2-15
Instantaneous Rate Calculations.................................. 2-4
Integral Multiplier Value
IMV ........................................................................ 2-4
Integral Value .............................................................. 2-4
IV............................................................................ 2-4
Isolation ..................................................................... 1-10
J, K
Jumper
Reset ..................................................................... 2-32