YOKOGAWA EJA565E Bedienungsanleitung

IM-P-20200627-01

1st Edition, October 2020

Yokogawa Corporation of America

2 Dart Road, Newnan, Georgia 30265 U.S.A.

Tel: (800) 888-6400 Fax: (770) 254-0928

User’s

Manual Hygienic & Sanitary Pressure

Transmitters EJA565E

IM-P-20200627-01

Hygienic & Sanitary Pressure Transmitter

EJA565

CONTENTS

IM-P-20200627-01 1st Edition

1. Introduction...................................................................................................4

1.1 Description ........................................................................................................... 4

1.2 Barometric Reference ......................................................................................... 4

2. Dimensional Drawings.................................................................................5

3. Installing the Transmitter.............................................................................6

3.1 Installing Weld-On Nipple ................................................................................... 6

3.2 Installing Transmitter (Code W33) ..................................................................... 6

3.3 Mounting Position................................................................................................ 6

3.4 MountingPositionE󰀨ect..................................................................................... 6

3.5 Calibration ............................................................................................................ 6

3.6 Wiring .................................................................................................................... 7

4. Remaining .....................................................................................................8

4.1 External Load ....................................................................................................... 8

5. Graphic Display and Navigation Button ....................................................9

5.1 Graphic Display Readout .................................................................................. 10

5.2 Summary Programming Points........................................................................ 11

6. Explanation Programming Points ........................................................... 12

6.1 Zero Adjustment (ZERO)................................................................................... 12

6.2 Span Adjustment (SPAN, 20 mA) ..................................................................... 12

6.3 CancelMountingPositionE󰀨ect(4mA) ......................................................... 13

6.4 Display Setting of Units..................................................................................... 13

6.5 Output Selection 4-20 mA or 20-4 mA.............................................................. 13

6.6 Damping Adjustment......................................................................................... 14

6.7 Language ............................................................................................................ 14

6.8 Device Setup....................................................................................................... 14

6.9 Readout............................................................................................................... 15

6.10 Current Simulation (4-20 mA) ........................................................................... 15

6.11 Tank Linearization.............................................................................................. 16

6.11.1 Linearization Disable........................................................................... 16

6.11.2 Linearization Horizontal Tank (with Flat End) ..................................... 17

6.11.3 Linearization Horizontal Tank with a Parabolic End

(Cylindrical or Elliptic).......................................................................... 18

IM-P-20200627-01

6.11.4 Linearization Vertical Tank with a Conical Bottom .............................. 19

6.11.5 Linearization Vertical Tank with a Spherical Bottom ........................... 20

6.11.6 Linearization Vertical Tank with a Truncated Bottom .......................... 21

6.11.7 Free Linearization ............................................................................... 22

6.11.8 Free Linearization Manually................................................................ 23

6.12 Burst Mode ......................................................................................................... 24

6.13 Information ......................................................................................................... 25

6.14 Factory ................................................................................................................ 25

7. Programming ............................................................................................. 26

7.1 Programming with Hand Held Terminal .......................................................... 26

7.3Rotatable Display............................................................................................... 28

8. Specifications ............................................................................................ 29

9. Precautions and Warnings....................................................................... 30

Revision Information ........................................................................................... 31

7.2 HART Commands and Parameters.................................................................... 27

IM-P-20200627-01

<1. Introduction>

1. Introduction

The EJA565E solid-state pressure and level

transmitters are based on a piezoresistive silicon

sensor, with a very high burst pressure. The

sensor element is mounted in a stainless steel

"foot". A temperature sensor is mounted inside the

foot to and is used for active temperature

compensation. A strong stainless steel “flush”

diaphragm protects the sensor from the process

medium. A minimal amount of special oil fills the

chamber surrounding the sensor and transfers

pressure from the flush mounted diaphragm to the

sensor hydraulically.

Pressure on the sensor element creates a small

deflection of the silicon substrate and bridge

network. The resulting strain in the silicon resistors

causes a change in the bridge resistance that is

proportional to the pressure being applied. The

transmitter electronics detect this change in the

bridge resistance and converts it into the measured

value. The amplifier system is based on a single

Integrated Circuit, which ensures perfect linearity in

the output, all within an accuracy of 0.1 %.

1.1 Description

The EJA565E transmitter is specially designed with

a flush mounted diaphragm so it fully meet the

needs of the food, pharmaceutical, chemical and

other industries. Standard wetted parts are made of

316L SST, other materials are also available, like

Hastelloy C. Various process connections can be

adapted and available for manufacture;

(1.5”, 2” and 3” tri-clamp), SMS (1.5” and 2”), dairy

milk couplings (DN 25, 40 and 50), flanges (DIN

and ANSI) and sanitary weld-on nipples (ø 48, 62

and 85 mm.), among others.

All transmitters are temperature compensated,

which means that varying process temperatures

have nearly no effect on the accuracy of the output

signal.

1.2 Barometric Reference

The EJA565E is a “relative transmitter” which

means that barometric changes will not affect the

zero. The venting is placed in the cover of the

electronics housing next to the cable entry and is

the filter for the barometric reference to atmospheric

pressure.

The vent mechanism must be kept clean.

Certain variants of the EJA565E are designed to be

non-clogging and are capable of being cleaned

inside. Various process connection types are

manufactured according to 3-A (74-06)

requirements such as Tri-Clamp and others.

IM-P-20200627-01

<2. Dimensional Drawings>

2. Dimensional Drawings

nEJA565E- "T20" PROCESS CONNECTION

1/2" NPT Electrical Connection

M12 Electrical Connection

Note. Standard Drawings for all other connection types are available on request.

IM-P-20200627-01

3. Installing the Transmitter

The diaphragm of the transmitter is protected

with a special protection cap. Protect the

diaphragm until installation takes place. Take

special care with the fragile diaphragm.

3.1 Installing Weld-On Nipple

A certied welder should perform the installation of

the weld-on nipple. Weld with Argon, MIG or TIG,

with the smallest welding pin possible.

1. Cut a hole in the process vessel or pipe for

a precise t of the weld-on nipple. The hole

should be a tight t when coupled with the

weld-on nipple.

2. Prepare the hole by bevelling the edge to

accept ller material.

3. Remove the weld-on nipple from the

transmitter.

Remove the gasket and O-Ring out of the

weld-on nipple!

WARNING

Improper installation may result in distortion

of the weld-on nipple. Excessive heat will

distort the weld-on nipple. Weld in sections

as shown in the gure below. Allow adequate

cooling between passes. To reduce the

chances of distortion to the weld-on nipple,

use a mandrel.

4. Position the weld-on nipple in the vessel hole

and tack six places. The weld sequence is

shown in the gure above.

5. Weld the weld-on nipple in place using 0.03

to 0.045 in. (0.762 to 1.143 mm) stainless rod

as ller material in the bevelled area. Adjust

amperage for penetration.

6. Remove the mandrel after the welding

operation.

3.2 Installing Transmitter

(Code W33)

1. After welding, clean up edges, and take care

of the inside nipple wall.

2. Make sure the O-rings (10) and (11) are

properly located.

3. Improper installation of the O-ring can cause a

process leak.

4. Apply silicone grease to the O-ring (10),

diaphragm ring and the hole inside wall of

the weld-on nipple, this prevents galvanic cell

corrosion between transmitter and the nipple

inside.

5. Install the transmitter and x it with the SS M8

bolt.

3.3 Mounting Position

When the transmitter is mounted horizontally,

the cable gland must be pointed downwards.

Furthermore, 3-A certified units with leakage

detection holes in weld-on nipples should be on

teh lowest point and pointing down 90 degrees

fom the horizontal.

3.4 MountingPositionE󰀨ect

All transmitters are calibrated in vertical position

(diaphragm points downwards). If the transmitter

is mounted in another position, there can be a little

zero shift. (example 4,02 mA instead of 4,00 mA).

After installation of the transmitter the zero must be

set to 4,00 mA with P103 (cancel mounting position

e󰀨ect). This will not a󰀨ect the span.

3.5 Calibration

All transmitters are fully calibrated at the factory, to

customer specied range. If the calibration is not

specied, the transmitter will be calibrated at the

maximum span.

Determine (before welding) the position of the

electronics housing, so that the cable entry

and the venting are in the right position.

These positions are fixed after welding.

<3. Installing the Transmitter>

IM-P-20200627-01

3.6 Wiring

The figure below shows the wiring connection of the transmitter. The 2-wires must be connected to + and - on

the terminal board. The wiring terminals can be connected without a screwdriver. The opening levers of the

terminals can be lifted and pressed down by hand. Lift the opening levers of the terminals and insert the

corresponding wires. Press down the levers by hand, the terminal spring will close and the wire is clamped.

The transmitter must always be connected with standard two-wire shielded cable. Do not run signal wiring in

open trays with power wiring, or near heavy electrical equipment (e.g. Frequency controllers or heavy pumps).

Shielding must always be connected at the side of the power supply. In case the process connection is already

connected to ground (e.g. via the tank or pipe line) do not connect the instrument to ground. In applications with

synthetic process connections, the enclosure (internal or external) must be connected to ground.

Reversing the polarity will not damage the transmitter, but the transmitter will not function until the + and – are

properly connected.

CAUTION

•Please ensure that the transmitter is not connected to ground twice to prevent an earth loop.

<3. Installing the Transmitter>

1Voltage Supply / Output Signal (4-20 mA)

2Internal Ground

3Terminal Connector

Insert the wires into the connector and

push the lever down by hand.

IM-P-20200627-01

4. Remaining

4.1 External Load

External loads must be placed in the negative side of the 2-wire loop. The minimum power supply is based on

the total circuit resistance. The maximum external load (RI max.) for 24 Vdc will be 600 Ω (Ohm).

CAUTION

•With a loop resistance of 250 Ω a power supply of at least 17 Vdc must be used.

<4. Remaining>

−

max. = Voltage - 12 V (min.)

20 mA

IM-P-20200627-01

5. Graphic Display and Navigation Button

The EJA565E has a multifunctional display where di󰀨erent values can be displayed simultaneously. The display

is equipped with a backlight. The entire menu is controlled by a navigation button. The navigation button has

the following degrees of movement: up, down, left, and right. The navigation button needs to be pushed when

confirmation or saving is needed.

Figure 1. Display EJA565E, fully rotatable (360°)

Move the navigation button up or

down to browse through various

menus. These movements can be

distinct in choices of: program

points, navigation through menus

and increase or decrease

measurement values.

Move the navigation button left or

right to navigate horizontally through

the menu or positions on the display.

<5. Display and Push Buttons>

It is always possible to return

to the previous menu. Move the

navigation button to the left to return

to the previous menu.

By pushing the navigation button

each choice will be conrmed or a

setting will be saved.

IM-P-20200627-01

5.1 Graphic Display Readout

When the transmitter is powered, a ash screen with the name of the transmitter and the software version

appears for a few seconds. After this the home screen will show the measured value setting as set in the factory.

mbar

18.5

0.0%

2 1

nExplanation of Symbols

1. Linear output: Displays when any form of linearization is applied. A Straight line means no

linearization is applied. When a linearization is applied, a curve will be displayed.

2. HART protocol: Displays a HART symbol.

3. WriteProtectionOn/O󰀨: Displays if protection against adjustments and conguration is on or o󰀨

4. Secondary Measurement: Displays the secondary measurement chosen.

5. Bargraph 0-100 % from Span: Displays the percentage of the measured span.

6. Measurement: Displays the current measurement in mA, percentage or a selectable unit.

7. Unit: Displays the selected unit.

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