Emerson Process Management ControlWave XFC User Manual
Page 11

CI-ControlWave XFC
Contents / 0 - 1
CI-ControlWave XFC
ControlWave XFC
Model 3820-EX - Explosion Proof Gas Flow Computer
TABLE OF CONTENTS
SECTION TITLE
PAGE #
Section 1 - ControlWave XFC INTRODUCTION
1.1
GENERAL
DESCRIPTION ........................................................................................... 1-1
1.2
ControlWave PROGRAMMING ENVIRONMENT .................................................... 1-3
1.3
PHYSICAL
DESCRIPTION........................................................................................... 1-5
1.3.1 Housing ........................................................................................................................... 1-5
1.3.2
ControlWave XFC Function Module.............................................................................. 1-6
1.3.3 CPU
Board
Assembly .....................................................................................................1-6
1.3.3.1
CPU Board Connector P2...............................................................................................1-8
1.3.3.2
CPU
Memory................................................................................................................... 1-9
1.3.3.3
CPU Board Battery Enable Configuration Jumper...................................................... 1-9
1.3.3.4
CPU
Board
LEDs............................................................................................................ 1-9
1.3.3.5
CPU Board General Purpose Configuration Switche SW1 .......................................... 1-9
1.3.4 I/O
Board
Assembly...................................................................................................... 1-10
1.3.4.1
I/O
Board
Connectors ................................................................................................... 1-10
1.3.5 Terminal
Plate .............................................................................................................. 1-11
1.3.5.1
Field
I/O
Wiring ............................................................................................................ 1-11
1.3.5.1.1
Non-isolated Analog I/O ............................................................................................... 1-11
1.3.5.1.2
Non-isolated Digital I/O ............................................................................................... 1-12
1.3.5.1.3
Non-isolated High Speed Counter Inputs ................................................................... 1-12
1.3.5.1.4
Optional RTD Input Probe ........................................................................................... 1-13
1.3.5.2
Terminal Plate Input Power Connections................................................................... 1-13
1.3.5.3
Terminal Plate Communication Port Connections..................................................... 1-13
1.3.6
Multivariable or Gage Pressure Transducer............................................................... 1-13
1.3.7 RTD
Probe..................................................................................................................... 1-13
1.4
FIELD
WIRING............................................................................................................1-13
1.5
FUNCTIONS................................................................................................................. 1-14
1.5.1 Data
Acquisition ........................................................................................................... 1-14
1.5.2
Flow and Volume Calculations .................................................................................... 1-15
1.5.2.1
Flow Rate and Flow Time Calculations (AGA3) ......................................................... 1-15
1.5.2.2
Flow Rate Calculations and Flow Time Accumulations (AGA7) ............................... 1-15
1.5.2.3
Extension Calculation and Analog Averaging ............................................................ 1-15
1.5.2.3.1 Energy
Calculation ....................................................................................................... 1-16
1.5.2.3.2
Volume and Energy Integration .................................................................................. 1-16
1.5.2.4
Downstream
Pressure
Tap........................................................................................... 1-16
1.5.3 Archives......................................................................................................................... 1-16
1.5.3.1
Hourly Historical Data Log.......................................................................................... 1-16
1.5.3.2
Daily Historical Data Log ............................................................................................ 1-17
1.5.3.3
Periodic Historical Data Log........................................................................................ 1-17
1.5.3.4
Alarm and Event Storage............................................................................................. 1-17
1.5.4 LCD
Display.................................................................................................................. 1-18
1.5.5 Communications ...........................................................................................................1-18
1.5.5.1
BSAP Message Support................................................................................................ 1-19
1.5.6
Discrete and Analog I/O XFC Functionality ............................................................... 1-19
1.5.6.1
Flow Rate Control - DDC (jog control) using PID....................................................... 1-19
1.5.6.2
Pulse Output for External Totalizer or Sampler ........................................................ 1-19
1.5.6.3 Nominations.................................................................................................................. 1-20
1.5.7
Self Test & Diagnostics ................................................................................................ 1-20