User guide
CONTENTS
IM 01C50T01-01E
i
FD No. IM 01C50T01-01E
5th Edition: Sep. 2006 (KP)
All Rights Reserved, Copyright © 1998, Yokogawa Electric Corporation
CONTENTS
1. INTRODUCTION .......................................................................................... 1-1
Regarding This Manual ................................................................................. 1-1
For Safe Use of Product ............................................................................... 1-2
Warranty ........................................................................................................ 1-2
ATEX Documentation.................................................................................... 1-3
1.1 Matching of DD and Instruments ........................................................ 1-4
2. HART COMMUNICATOR OPERATION ..................................................... 2-1
2.1 Conditions of Communication Line ..................................................... 2-1
2.1.1 Interconnection Between YTA and HART Communicator ........... 2-1
2.1.2 Communication Line Requirements ............................................. 2-1
2.2 Basic Operation of the HART Communicator (Model 275) ................ 2-2
2.2.1 Keys and Functions ...................................................................... 2-2
2.2.2 Display .......................................................................................... 2-3
2.2.3 Calling Up Menu Addresses ........................................................ 2-3
2.2.4 Entering, Setting and Sending Data ............................................ 2-4
3. OPERATION ................................................................................................ 3-1
3.1 Parameter Description ........................................................................ 3-1
3.2 Menu Tree ........................................................................................... 3-4
3.3 Review ................................................................................................. 3-5
3.4 Basic Setup ......................................................................................... 3-5
3.4.1 Sensor Configuration .................................................................... 3-5
3.4.2 Process Variable Mapping ........................................................... 3-6
3.4.3 Unit ............................................................................................... 3-8
3.4.4 PV Range ..................................................................................... 3-9
3.4.5 Damping Time Constant ............................................................ 3-10
3.4.6 Tag No. ....................................................................................... 3-11
3.5 Detailed Setup ................................................................................... 3-11
3.5.1 Device Information ..................................................................... 3-11
3.5.2 Test Output................................................................................. 3-11
3.5.3 Burnout Function ........................................................................ 3-11
3.5.4 Integral Indicator Display Mode ................................................. 3-12
3.5.5 Write Protect............................................................................... 3-13
3.5.6 Sensor Trim ................................................................................ 3-14
3.5.7 Analog Output Trim .................................................................... 3-15
3.5.8 Sensor Backup (For Model YTA320 only) ................................. 3-16
3.5.9 Burst Mode ................................................................................. 3-16
3.5.10 Multi Drop ................................................................................... 3-17
3.5.11 Sensor Matching Function ......................................................... 3-17
3.5.12 CJC Selection ............................................................................ 3-18
3.6 Self-Diagnostics ................................................................................ 3-18
3.6.1 Checking for Problems ............................................................... 3-18
3.6.2 Warnings .................................................................................... 3-22
3.6.3 Logging Functions ...................................................................... 3-22
4. PARAMETERS LISTS ................................................................................. 4-1