YOKOGAWA EJA210E User Manual

<6. Operation>
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IM01C25A01-01E
6. Operation
NOTE
For FOUNDATIONFieldbus,PROFIBUSPAandModbus
communication types and forthetransmitteroperating
conrmationandzeroingbyanycommunication
method,refertoeachcommunicationmanual.
6.1 Preparation for Starting
Operation
 ConrmingthatTransmitterisOperating
Properly
On the integral indicator
• Ifthewiringsystemisfaulty,thedisplaystaysblank.
• Ifthetransmitterisfaulty,anerrorcodeisdisplayed.
Self-diagnostic error
on the integral indicator
(Faulty transmitter)
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 Verify and Change Transmitter
Parameter Setting and Values
Theparametersrelatedtothefollowingitemsaresetat
factoryasspeciedinorder.
• Calibrationrange
• Integralindicatordisplay
• Outputmode
• Softwaredamping(optional)
Otherparameterslikefollowingareshippedwiththe
default setting.
• Low-cut
• Processalarmsetting
• Staticpressurerange
• Signalcharacterizer
• Writeprotection
Toconrmorchangethevalues,pleaserefertoeach
communication manual.
 Output Status Setting at CPU Failure and
Hardware Write Protection
Settheswitchesasshowninthegurebelowtosetthe
burn-outdirectionandwriteprotection.TheBurnout
switchissettotheHsidefordelivery(unlessoptioncode
/C1or/C2isspeciedintheorder),andthehardware
writeprotectionswitchissettoEsideexceptEJX910A
andEJX930A.Thesettingoftheswitchescanbe
conrmedviacommunication.
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H L H L
Slide switch
CPU assembly
BO H L
WR E D
Burnout direction switch
Write protection switch
H L
H L
E D E D
Hardware write protection switch (WR)
Write Protection
Switch Position
HIGH LOW
Burnout direction switch (BO)
Burnout Direction
Burnout Direction
Switch Position
YES
(Write disabled)
NO
(Write enabled)
Write Protection
Figure 6.1 Burn-out Direction and Hardware Write
Protection Slide Switch
6.2 Zero Point Adjustment
Aftercompletingpreparationsforoperatingthe
transmitter,adjustthezeropoint.
Zeropointadjustmentcanbedonebyturningthe
transmitter’szero-adjustmentscreworbyusingthe
communicator.Thissectiondescribestheprocedure
forthezero-adjustmentscrew.Forthezero-adjustment
viacommunication,procedure,pleaserefertoeach
communication manual.
IMPORTANT
Donotturnoffthepowertothetransmitter
immediatelyafterperformingazeropointadjustment.
Poweringoffwithin30secondsofperformingthis
procedurewillreturnthezeropointtoitsprevious
setting.
6.2.1 Adjusting Zero Point for Differential
Pressure Transmitters
Beforeadjustingzeropoint,makesurethattheequalizing
valve is open.
Zero-adjustment screw cover
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Figure 6.2 External Zero Adjustment Screw

YOKOGAWA EJA210E Specifications

General

Brand	YOKOGAWA
Model	EJA210E
Category	Transmitter
Language	English