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Yokogawa EJA115 User Manual

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APPENDIX 1. LIST OF PARAMETERS FOR EACH BLOCK OF THE EJA

20

1020

Scheduled

CYCLE_SEL

Used to select the block execution method for this resource.

AUTO

21

1021

3200 (100ms)

MIN_CYCLE_T

Time duration of the shortest cycle interval of which the
resource is capable.

22

1022

0

MEMORY_SIZE

Available configuration memory in the empty resource. To
be checked before attempting a download.

23

1023

0

NV_CYCLE_T

Interval between writing copies of NV parameters to non-
volatile memory. Zero means never.

24

1024

0

FREE_SPACE

Percent of memory available for further configuration. EJA
has zero which means a preconfigured resource.

25

1025

0

FREE_TIME

Percent of the block processing time that is free to process
additional blocks. EJA does not support this.

26

1026

640000 (20S)

SHED_RCAS

Time duration at which to give up on computer writes to
function block RCas locations. Supported only with PID
function.

AUTO

27

1027

640000 (20S)

SHED_ROUT

Time duration at which to give up on computer writes to
function block ROut locations. Supported only with PID
function.

AUTO

28

1028

1

FAULT_STATE

Condition set by loss of communication to an output block,
failure promoted to an output block or a physical contact.
When fail-safe condition is set, Then output function blocks
will perform their FSAFE actions.

29

1029

1

SET_FSTATE

Allows the fail-safe condition to be manually initiated by
selecting Set.

AUTO

30

1030

1

CLR_FSTATE

Writing a Clear to this parameter will clear the device fail-
safe state if the field condition, if any, has cleared.

AUTO

31

1031

3

MAX_NOTIFY

Maximum number of unconfirmed notify messages possible.

32

1032

3

LIM_NOTIFY

Maximum number of unconfirmed alert notify messages
allowed.

AUTO

33

1033

640000 (20s)

CONFIRM_TIM

The minimum time between retries of alert reports.

AUTO

34

1034

Not locked

WRITE_LOCK

If set, no writes from anywhere are allowed, except to clear
WRITE_LOCK. Block inputs will continue to be updated

AUTO

35

1035

UPDATE_EVT

This alert is generated by any change to the static data.

36

1036

BLOCK_ALM

The block alarm is used for all configuration, hardware,
connection failure or system problems in the block. The
cause of the alert is entered in the subcode field. The first
alert to become active will set the Active status in the Status
attribute. As soon as the Unreported status is cleared by the
alert reporting task, another block alert may be reported
without clearing the Active status, if the subcode has
changed.

37

1037

Enable

ALARM_SUM

The current alert status, unacknowledged states, unreported
states, and disabled states of the alarms associated with the
function block.

Version number of interoperability test by Fieldbus
Foundation applied to EJA.

TA0101-2.EPS

19

1019

Scheduled

CYCLE_TYPE

Identifies the block execution methods available for this
resource.

18

1018

Soft write lock
supported
Report supported

FEATURE_SEL

Used to select resource block options defined in FEATURES.

bit0: Scheduled
bit1: Event driven
bit2: Manufacturer specified

AUTO

Relative

Index

Index

Explanation

Write

Mode

Factory

Default

Parameter Name

38

1038

0xFFFF

0

ACK_OPTION

AUTO

39

1039

0

WRITE_PRI

Priority of the alarm generated by clearing the write lock.

AUTO

40

1040

WRITE_ALM

This alert is generated if the write lock parameter is cleared.

42

1042

SOFT_REV

SOFT_DESC

EJA software revision number.

43

1043

Yokogawa internal use.

SIM_ENABLE_MSG

44

1044

Software switch for simulation function.

AUTO

DEVICE_STATUS_1

45

1045

Device status (VCR setting etc.)

41

1041

4

Null

ITK_VER

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