Yokogawa EJX440A - Manual (Page 2)

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IM 01C25T01-01E
EJX Series
HART Communication Type
IM 01C25T01-01E 6th Edition
6th Edition: Apr. 2010(KP)
All Rights Reserved, Copyright © 2004, Yokogawa Electric Corporation
Contents
1. Introduction ............................................................................................... 1-1
 Regarding This Manual ................................................................................................1-1
1.1 Safe Use of This Product .................................................................................1-1
1.2 Warranty .............................................................................................................1-2
1.3 ATEX Documentation .......................................................................................1-3
1.4 Matching of Communicator DD and Instrument DD .....................................1-4
2. Conditions of Communication Line ....................................................... 2-1
2.1 Interconnection Between DPharp and the HART Communicator ...............2-1
2.2 Power Supply Voltage and Load Resistance .................................................2-1
3. Operation ................................................................................................... 3-1
3.1 Basic Operation of the 275 HART Communicator ........................................3-1
3.1.1
Keys and Functions ...........................................................................3-1
3.1.2 Display ...............................................................................................3-2
3.1.3 Calling Up Menu Addresses ..............................................................3-2
3.1.4 Entering, Setting, and Sending Data .................................................3-3
3.2 Parameter Usage and Selection ......................................................................3-4
3.3 Menu Tree ..........................................................................................................3-6
3.4 Basic Setup ........................................................................................................3-8
3.4.1
Tag and Device Information ...............................................................3-8
3.4.2 Unit .....................................................................................................3-8
3.4.3 Range Change ...................................................................................3-9
3.4.4 Output Mode ....................................................................................3-10
3.4.5 Damping Time Constant Setup ........................................................ 3-11
3.4.6 Output Signal Low Cut Mode Setup ................................................ 3-11
3.4.7 Impulse Line Connection Orientation Setup ....................................3-12
3.5 Detailed Setup .................................................................................................3-12
3.5.1
Bi-directional Flow Measurement ....................................................3-12
3.5.2 Integral Indicator Display Mode .......................................................3-13
3.5.3 Integral Indicator Scale Setup ..........................................................3-13
3.5.4 Unit for Displayed Temperature .......................................................3-15
3.5.5 Unit for Displayed Static Pressure ...................................................3-16
3.5.6 Test Output .......................................................................................3-16
3.5.7 Sensor Trim ......................................................................................3-17