Yokogawa EJA440E User Manual download pdf (Page 40)

<3. Parameter Setting>

3-27

IM 01C25T01-06EN

• Procedure to call up the Squawk display

[Root Menu] → Diag/Service → Test (DTM)/Test device

(DD) → Squawk

S P

T F

F0311.ai

Figure 3.3 LCD display for Squawk

3.3.16 Burst Mode

3.3.16.1 In the case of using HART 5

HART 5

When the Burst mode is enabled, the transmitter

continuously sends the stored data. The data is

sent approximately three times per second as a

digital signal when the transmitter is set in burst

mode. When data is being sent in burst mode,

other operations can be performed with the HART

conguration tool.

(1) Selection of the transmission data.

Call up the Burst option parameter and select the

data which is transferred.

• Procedure to call up the display

DD and DTM

(excluding EJX_

HART 5[1.2])

[Root Menu] → Detailed setup →

Output condition → HART output

→ Burst option →

EJX_HART 5[1.2]

DTM

Conguration → HART → Burst

option →

Display Item Contents

PV Process variable assigned to PV

(Either of pressure, static pressure)

%range/current Output in % and mA

Process vars/crnt Output in mA and process variables

assigned to PV, SV and TV.

(Output in mA, pressure, static

pressure and capsule temperature)

(2) Shift to the Burst mode.

To enable the Burst mode, select “On” at the Burst

mode parameter.

To release the Burst mode, call up the Burst

mode display and set it to “Off”.

This parameter is set to “Off” when the instrument is

shipped.

• Procedure to call up the display

DD and DTM

(excluding EJX_

HART 5[1.2])

[Root Menu] → Detailed setup →

Output condition → HART output

→ Burst mode

EJX_HART 5[1.2]

DTM

Conguration → HART → Burst

mode

Display Item Contents

Off Stop the burst mode

On Start the burst mode

3.3.16.2 In the case of using HART 7

HART 7

When the Burst mode is enabled, the transmitter

continuously sends up to three data listed in Table

3.1.

Refer to the subsection 3.3.16.2.1 Burst Message

for details.

When the Burst mode is set to “Wired HART

Enabled”, transmitter continuously sends alarm

signal also.

Refer to subsection 3.3.16.2.2 Event Notication for

detail.

When changing the setting of Burst mode, set “Off”

to the Burst mode.

Default setting is “Off”.

3.3.16.2.1 Burst Message and Burst Mode

(1) Burst message

The transmitter can transmit three burst messages

at the maximum.

The parameters for Burst Message are as follows.

• Burst Command

• Update Period and Max Update Period

• Burst Msg Trigger Mode

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 95 96

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Yokogawa EJA440E User Manual Page 40

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