beautypg.com

A-13 – Yokogawa EJA115 User Manual

Page 51

background image

IM 01C22T02-01E

A-13

APPENDIX 3. OPERATION OF EACH PARAMETER IN FAILURE MODE

• Following table summarizes the value of EJA parameters when LCD display indicates an Alarm.

(2)

Cause of Alarm

Resorce Block

ALARM Display

Transducer Block

Function Block

Simulation is enabled
in AI1 Function Block

AL. 62

AI1 Function Block is in
Manual mode

AL. 63

Zero Adjust value is out
of normal range

AL. 64

Data is out of LCD
display range

AL. 61

Fluid temperature is out
of normal range

AL. 43

TA0301-2.EPS

PV. STATUS=
UNCERTAIN:
Non Specific

PV. STATUS=BAD:
Configuration Error

SV. STATUS=
UNCERTAIN:
Non Specific

PV. STATUS=
UNCERTAIN: Non
Specific

OUT. STATUS=
UNCERTAIN: Non
Specific

PV. STATUS=
BAD: Non Specific
(for AI1)

OUT. STATUS=
BAD: Non Specific
(for AI1)

OUT. STATUS=HOLD
(When “if Man Mode” is
not set.)
or =Uncertain Substitute
(When OUT is changed)

BLOCK_ERR=
Simulate Active

SV. STATUS=
UNCERTAIN:
Sensor Conversion
not accurate

Static Pressure is out of
normal range

AL. 42

PV. STATUS=
UNCERTAIN:
Non Specific

OUT. STATUS=
UNCERTAIN: Non
Specific

PV. STATUS=
UNCERTAIN: Non
Specific

PV. STATUS=
UNCERTAIN:
Sensor Conversion
not accurate

OUT. STATUS=BAD:
Out of Service

BLOCK_ERR=Out Of
Service

PV. STATUS=HOLD

AI1 Function Block is in
O/S mode

Differential Pressure is
out of normal range

AL. 23

AL. 41

SV. STATUS=
UNCERTAIN:
Non Specific

PV. STATUS=
UNCERTAIN: Non
Specific

OUT. STATUS=
UNCERTAIN: Non
Specific

BLOCK_ERR=
Simulate Active

This manual is related to the following products: