2 function block execution control, 6 block setting, 1 link object – Yokogawa EJX930A User Manual

Page 32: Function block execution control -5, Block setting -5 5.6.1, Link object -5

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<5. Configuration>

5-5

IM 01C25R03-01E

Sub-

index

Parameter

Description

4

FasDllSDAP

Specifies the quality

of communication.

Usually, one of the

following types is set.

0x2B: Server

0x01: Source (Alert)

0x03: Source (Trend)

0x91: Publisher/

Subscriber

5

FasDllMaxConfirm

DelayOnConnect

To establish connection

for communication, a

maximum wait time

for the called party's

response is set in ms.

Typical value is 60

seconds (60000).

6

FasDllMaxConfirm

DelayOnData

For request of data,

a maximum wait time

for the called party's

response is set in ms.

Typical value is 60

seconds (60000).

7

FasDllMaxDlsduSize

Specifies maximum DL

Service Data unit Size

(DLSDU). Set 256 for

Server and Trend VCR,

and 64 for other VCRs.

8

FasDllResidual

ActivitySupported

Specifies whether

connection is

monitored. Set TRUE

(0xff) for Server.

This parameter is

not used for other

communication.

9

FasDllTimelinessClass Not used for EJX.

10

FasDllPublisherTime

WindowSize

Not used for EJX.

11

FasDllPublisher

SynchronizaingDlcep

Not used for EJX.

12

FasDllSubsriberTime

WindowSize

Not used for EJX.

13

FasDllSubscriber

SynchronizationDlcep

Not used for EJX.

14

FmsVfdId

Sets VFD for EJX to be

used.

0x1: System/network

management VFD

0x1234: Function block

VFD

15

FmsMaxOutstanding

ServiceCalling

Set 0 to Server. It is

not used for other

applications.

16

FmsMaxOutstanding

ServiceCalled

Set 1 to Server. It is

not used for other

applications.

17

FmsFeatures

Supported

Indicates the type

of services in the

application layer. In the

EJX, it is automatically

set according to

specific applications.

33 VCRs are factory-set as shown in the table

below.

Table 5.5

VCR List

Index

(SM)

VCR

Number

Factory Setting

293

1

For system management (Fixed)

294

2

Server (LocalAddr = 0xF3)

295

3

Server (LocalAddr = 0xF4)

296

4

Server (LocalAddr = 0xF7)

297

5

Trend Source (LocalAddr = 0x07,

Remote Address=0x111)

298

6

Publisher for AI1 (LocalAddr = 0x20)

299

7

Alert Source (LocalAddr = 0x07,

Remote Address=0x110)

300

8

Server (LocalAddr = 0xF9)

301

9

Publisher for AI2 (LocalAddr = 0x21)

302 to

315

10 to 33 Not used.

5.5.2 Function Block Execution Control

According to the instructions given in Section 5.3,

set the execution cycle of the function blocks and

schedule of execution.

5.6 Block Setting

Set the parameter for function block VFD.

5.6.1 Link Object

A link object combines the data voluntarily sent

by the function block with the VCR. The EJX

multivariable transmitter has 40 link objects. A

single link object specifies one combination. Each

link object has the parameters listed in Table 5.6.

Parameters must be changed together for each

VCR because the modifications made to each

parameter may cause inconsistent operation.

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