YOKOGAWA FLXA21, User Manual

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IM 12A01A02-72E 3rd Edition : Oct. 01, 2015-00
FLXA21
2-Wire Analyzer
PROFIBUS PA Communication
CONTENTS
IM 12A01A02-72E 3rd Edition
u
Introduction ....................................................................................................i
u
Safety Precautions .......................................................................................ii
1. About PROFIBUS PA ................................................................................ 1-1
1.1 Internal Structure of FLXA21 ...........................................................................1-1
1.2 Logical Structure of Each BLOCK ..................................................................1-2
1.3 Wiring System Configuration ..........................................................................1-2
2. Preparation ................................................................................................ 2-1
2.1 Cables, terminals and glands for PROFIBUS PA ...........................................2-1
2.2 Shielding and grounding .................................................................................2-3
2.3 How to download EDD for PDM .......................................................................2-3
3. Getting Started .......................................................................................... 3-1
3.1 Connection of Devices .....................................................................................3-1
3.2 Host Setting .......................................................................................................3-2
3.3 Bus Power ON ...................................................................................................3-2
3.4 Bus Address Setup ...........................................................................................3-2
3.5 Notes When Using the FLXA21-SC Concentration Table (when using
FieldMate) ..........................................................................................................3-3
3.6 PRIMARY/SECONDARY/TERTIARY/QUATERNARY_VALUE Value Assignment ....3-3
4. Explanation of Basic Item ........................................................................ 4-1
4.1 Reading cyclic parameters ..............................................................................4-1
4.2 Integration of GSD file and IDENT Number ....................................................4-1
4.3 Reading acyclic parameters ............................................................................4-2
4.4 Function Block Parameters .............................................................................4-3
4.5 Setting and change of basic parameters .......................................................4-6
4.6 Setting the AI Function Blocks ........................................................................4-7
5. In-Process Operation ............................................................................... 5-1
5.1 Mode Transition ................................................................................................5-1
5.2 Generation of Alarm ..........................................................................................5-1
5.3 Simulation Function .........................................................................................5-2
5.4 Write lock (Write-protect) function ..................................................................5-2
6. Function block parameters and Methods .............................................. 6-1
6.1 Physical Block Parameters ..............................................................................6-2
6.2 Analog Input Block Parameters ......................................................................6-4