Instruction manual
ControlWave Gas Flow Computer (GFC Plus) Instruction Manual (CI-ControlWave GFC Plus)
Issued Feb-2013 Contents iii
Contents
Chapter 1 – Introduction 1-1
1.1 Scope of the Manual ................................................................................................................. 1-2
1.2 Physical Description .................................................................................................................. 1-2
1.3 CPU/System Controller Board .................................................................................................. 1-4
1.4 Power Options ........................................................................................................................... 1-5
1.5 I/O Options ................................................................................................................................ 1-6
1.6 Software Tools .......................................................................................................................... 1-7
1.7 Overview of the Gas Flow Measurement Application ............................................................... 1-9
1.7.1 Data Acquisition – Static Pressure, Differential Pressure, Temperature Variables ...... 1-9
1.7.2 Flow and Volume Calculations ...................................................................................... 1-9
1.7.3 Flow Rate and Flow Time Calculations (AGA3).......................................................... 1-10
1.7.4 Flow Rate and Flow Time Calculations (AGA7).......................................................... 1-10
1.7.5 Extension Calculation and Analog Averaging ............................................................. 1-10
1.7.6 Energy Calculation ...................................................................................................... 1-11
1.7.7 Volume and Energy Integration .................................................................................. 1-11
1.7.8 Downstream Pressure Tap ......................................................................................... 1-11
1.7.9 Historical Data Storage (Audit Records/ Archive Files) .............................................. 1-11
1.7.10 Run Switching ............................................................................................................. 1-13
1.7.11 Sampler and Odorizer ................................................................................................. 1-13
1.7.12 Chromatograph Interface ............................................................................................ 1-13
1.7.13 Nominations ................................................................................................................ 1-14
Chapter 2 – Installation 2-1
2.1 Site Considerations ................................................................................................................... 2-1
2.1.1 Class I, Div 2 Installation Considerations ...................................................................... 2-3
2.2 Installation Overview ................................................................................................................. 2-4
2.2.1 Unpacking Components ................................................................................................ 2-5
2.2.2 Mounting the Housing ................................................................................................... 2-5
2.2.3 Grounding the Housing ................................................................................................. 2-9
2.2.4 Connecting to the Transducer (MVT or GPT) ............................................................... 2-9
Connecting to a Multivariable Transducer (MVT) ..................................................................... 2-9
Connecting to a Gage Pressure Transducer (GPT) ............................................................... 2-11
2.2.5 Process Pipeline Connection (Meter Runs without Cathodic Protection) ................... 2-11
2.2.6 Process Pipeline Connection (Meter Runs with Cathodic Protection) ........................ 2-11
2.3 Configuring the CPU/System Controller Board ....................................................................... 2-14
2.3.1 Setting DIP Switches on the CPU/System Controller Board ...................................... 2-15
2.3.2 Setting Jumpers on the CPU/System Controller Board .............................................. 2-17
2.3.3 General Wiring Guidelines .......................................................................................... 2-18
2.3.4 Wiring Power to the CPU/System Controller Board .................................................... 2-19
2.4 Mounting the Solar Panel ........................................................................................................ 2-21
2.5 Installing the Rechargeable Battery and Solar Panel Harness ............................................... 2-23
2.6 Power Distribution Board ........................................................................................................ 2-24
2.7 Digital to Relay I/O Option ....................................................................................................... 2-24
2.8 ControlWave Loop Supply Option ........................................................................................... 2-25
2.9 Communication Connections .................................................................................................. 2-26
2.9.1 Connections to RS-232 Serial Port(s) on the CPU/System Controller Board ............. 2-26
2.9.2 Connections to the COM3 (RS-485/RS-232) Serial Port on the CPU Board ............. 2-31
2.9.3 Connections to the Ethernet Port on the CPU/System Controller Board .................... 2-33
2.10 Radio-Ready and Case Mounted Modem or Radio ................................................................ 2-34
2.11 Optional Display/Keypads ....................................................................................................... 2-35