1) display and output condition for system alarms, 2) display and output condition for process alarms – Yokogawa ADMAG AXF User Manual

Page 66

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IM 01E20C01-01E

6-37

6. PARAMETER DESCRIPTION

(1) Display and output condition for system alarms

Alarm description

Alarm

output

4-20 mA

output

Totali-
zation Pulse

Display unit

Alarm

record

Normal

Normal

Normal Normal Display Mode

No

Closed

(On)

␮P Fault
EEPROM Fault

A/D(H) Fault

A/D(L) Fault

A/D(Z) Fault

Coil Open

EEPROM Dflt

Microprocessor(CPU)failure

EEPROM failure

A/D converter failure

Flowtube coil is open-circuit

EEPROM default values

Open

(Off)

Fixed

(G21 selection)

Stopped Stopped

Recorded

Alarm Mode

(display of system

alarm message)

Open

(Off)

0mA or

25mA

Stopped Indetermination

10

11

12

13

14

15

16

T0648.EPS

Note: • Operations are performed in accordance with above table, when “Open (Off) Act” is set for G20: Alm

Out Act Mode.

• 4-20 mA output upon the occurrence of an alarm will be fixed at the value selected with G21: 4-20mA

Alarm Out.

*The output value is performed in accordance with the setting of the burnout switch. For information about

this switch, see Section 10.2.1.

Indeter-
mination

Indeter-
mination

(*)

(2) Display and output condition for process alarms

Alarm

description

Selection

(parameter

number)

Alarm

output

4-20 mA

output

Totali-
zation

Pulse

output

Display

unit

Alarm

record

30

31

32

33

Sig Overflow

Empty Pipe

HH/LL Alm

Adhesion Alm

Input signal error

Flowtube is not
filled with fluid

HH/LL Alarm

Electrode
adhesion alarm

T0649.EPS

Alarm Mode

(Message)

Alarm Mode

(Message)

Alarm Mode

(Message)

Alarm Mode

(Message)

Display Mode

Display Mode

Display Mode

Display Mode

Fixed

Continu-

ous (*)

Continu-

ous (*)

Continu-

ous (*)

Fixed

Stopped

Continu-

ous (*)

Continu-

ous (*)

Continu-

ous (*)

Stopped

Stopped

Continu-

ous (*)

Continu-

ous (*)

Continu-

ous (*)

Stopped

Normal

operation

Normal

operation

Normal

operation

Fixed

Stopped Stopped

Recorded

No

Recorded

No

No

Recorded

No

Open

(Off)

Closed

(On)

Open

(Off)

Closed

(On)

Open

(Off)

Closed

(On)

Open

(Off)

Closed

(On)

YES

(G31)

NO

(G31)

YES

(G32)

NO

(G32)

YES

(G33)

NO

(G33)

YES

(G34)

NO

(G34)

Note: • Operations are performed in accordance with above table, when “Open (Off) Act” is set for G20: Alm

Out Act Mode.

• 4-20 mA output upon the occurrence of an alarm will be fixed at the value selected with G21: 4-20mA
Alarm Out
.

*: Although outputs are continuous, output values are not guaranteed.

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