33 vcrs are factory-set as shown in the table 3.6 – Yokogawa DO202 2-Wire Dissolved Oxygen Analyzer User Manual

Page 16

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IM 12A00A01-61E

Foundation Fieldbus 3-11

3-11

Table 3.5 VCR Static Entry

Sub-

index

Parameter

Description

1

FasArTypeAndRole

Indicates the type and role of
communication (VCR). The
following 3 types are used for
EXA.
0x32: Server (Responds to

requests from host.)

0x44: Source (Transmits alarm

or trend.)

0x66: Publisher (Sends AI

block output to other
blocks.)

2

FasDllLocalAddr

Sets the local address to
specify VCR in EXA. A range of
0x20 to 0xF7 in hexadecimal.

3

FasDllConfigured
RemoteAddr

Sets the node address of the
called party for communication
and the address (DLSAP or
DLCEP) used to specify VCR
in that address. For DLSAP
or DLCEP, a range of 0x20 to
0xF7 in hexadecimal is used.
Addresses in Subindex 2 and
3 need to be set to the same
contents of the VCR as the
called party (local and remote
are reversed).

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

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

FasDllTimeliness
Class

Not used.

Sub-

index

Parameter

Description

10

FasDllPublisherTime
WindowSize

Not used.

11

FasDllPublisher
SynchronizaingDlcep

Not used.

12

FasDllSubsriberTime
WindowSize

Not used.

13

FasDllSubscriber
SynchronizationDlcep

Not used.

14

FmsVfdId

Sets VFD for EXA 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 EXA, it is
automatically set according
specific applications.

33 VCRs are factory-set as shown in the table 3.6.

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