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Operation – KROHNE MFC 400 FOUNDATION FIELDBUS User Manual

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OPERATION

4

35

MFC 400

www.krohne.com

11/2013 - 4003221901 - AD MFC 400 FF R01 en

Unacknowledged

R/W

A discrete enumeration which is set to "Unacknowledged"

when an alarm occurs, and set to "Acknowledged" by a write

from a human interface device or other entity which can

acknowledge that the alarm/event has been noticed.

Uninitialized

Setting:

Uninitialized / Acknowledged / Unacknowledged

Alarm State

R

A discrete enumeration which gives an indication of whether

the alert is active and whether it has been reported.

Uninitialized

Setting:

Uninitialized / Clear - reported / Clear - not reported / Active -

reported / Active - not reported

Time Stamp

R

The time when evaluation of the block was started and a

change in alarm/event state was detected that is unreported.

The time stamp value will be maintained constant until alert

confirmation has been received - even if another change of

state occurs.

Uninitialized

Setting:

MM / DD / YY (Month / Day / Year)

HH:MM:SS (Hour:Minute:Second)

Subcode

R

An enumeration specifying the cause of the alert to be

reported.

Other

Setting:

Other / Block Configuration / Link Configuration / Simulation

Active / Local Override / Device Fault State / Device

Maintenance / Input Failure / Output Failure / Memory

Failure / Lost Static Data / Lost NV Data / Readback Check /

Maintenance Needed / Power Up / Out Of Service

Value

R

The value of the associated parameter at the time the alert

was detected.

0

Setting:

0...255

BLOCK_ERR_

BLOCK_ERR_

BLOCK_ERR_

BLOCK_ERR_

DESC_1

DESC_1

DESC_1

DESC_1

Block Error

Description

R

This parameter is used by a device to report more specific

details regarding persistent errors that are reported through

BLOCK_ERR.

Uninitialized

Setting:

RB is OOS / Memory Failure / No Schedule / ExecTime small /

ExecTime large / MODE OOS / CHANNEL setting / XD UNIT

setting / XD_SCALE small delta / OUT_SCALE small delta /

L_TYPE setting / XD_SCALE unequal to OUT_SCALE /

IO_OPTS setting

BLOCK_WARN_

BLOCK_WARN_

BLOCK_WARN_

BLOCK_WARN_

DESC

DESC

DESC

DESC

Block Warning

Description

R

Reason why OUT.status is not GOOD

Uninitialized

Setting:

MODE_PERM not Auto / MODE MAN / MODE.ACTAUL MAN /

Simulation active / Sim value not good / Sim value is limited /

TB is OOS / TB value is Bad / TB value is limited / TB value is

uncertain / OUT exceeds OUT_SCALE / unknown reason

Parameter

Parameter

Parameter

Parameter
DD name

Access

Description and settings

Initial Value