6. PARAMETER DESCRIPTION
6.5.2Alarm Selection
The display and output differs depending on the alarm levels. Certain types of alarm may or may not be recognized as alarms, according to the settings of certain parameters. The parameters that are relevant to this function as follows.
[G20: Alm Out Act Mode] Setting of the active
mode for the alarm output
[G21:
[G30:
[G31:
[G32:
[G33:
[G34:
[G41: Alm Record1] Alarm record1
[G43: Alm Record2] Alarm record2
[G45: Alm Record3] Alarm record3
[G47: Alm Record4] Alarm record4
(1) Display and output condition for system alarms
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| Alarm description | Alarm | Totali- | Pulse | Display unit | Alarm | ||
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| output | output | zation | record | ||||
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| Normal |
| Closed | Normal | Normal | Normal | Display Mode | No | |
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10 | P Fault | Microprocessor(CPU)failure | Open | 0mA or | Indeter- | Stopped | Indetermination | Indeter- | |
11 | EEPROM Fault | EEPROM failure | (Off) | 25mA (*) | mination |
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12 | A/D(H) Fault |
| Open | Fixed |
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| Alarm Mode |
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13 | A/D(L) Fault | A/D converter failure | Stopped | Stopped | (display of system | Recorded | |||
(Off) | (G21 selection) | ||||||||
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| alarm message) |
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14 | A/D(Z) Fault |
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15 | Coil Open | Flowtube coil is |
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16 | EEPROM Dflt | EEPROM default values |
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Note: • Operations are performed in accordance with above table, when “Open (Off) Act” is set for G20: Alm
Out Act Mode.
•
*The output value is performed in accordance with the setting of the burnout switch. For information about
this switch, see Section 10.2.1.T0648.EPS
(2) Display and output condition for process alarms
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| Alarm | Selection | Alarm | Totali- | Pulse | Display | Alarm | ||
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| (parameter | ||||||||
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| description | output | output | zation | output | unit | record | ||
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| number) |
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| YES | Open | Fixed | Stopped | Stopped | Alarm Mode | Recorded | |
30 | Sig Overflow | Input signal error | (G31) | (Off) |
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NO | Closed | Continu- | Continu- | Continu- | Display Mode | No | ||||
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| (G31) | (On) | ous (*) | ous (*) | ous (*) | |||
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| Flowtube is not | YES | Open | Fixed | Stopped | Stopped | Alarm Mode | Recorded | |
31 | Empty Pipe | (G32) | (Off) |
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filled with fluid | NO | Closed | Continu- | Continu- | Continu- | Display Mode | No | |||
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| (G32) | (On) | ous (*) | ous (*) | ous (*) |
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| YES | Open |
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| Alarm Mode |
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32 | HH/LL Alm | HH/LL Alarm | (G33) | (Off) | Normal | Normal | Normal | (Message) | No | |
NO | Closed | operation | operation | operation | Display Mode | |||||
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| (G33) | (On) |
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| Electrode | YES | Open | Fixed | Stopped | Stopped | Alarm Mode | Recorded | |
33 | Adhesion Alm | (G34) | (Off) |
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| (Message) |
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adhesion alarm | NO | Closed | Continu- | Continu- | Continu- | Display Mode | No | |||
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| (G34) | (On) | ous (*) | ous (*) | ous (*) |
Note: • Operations are performed in accordance with above table, when “Open (Off) Act” is set for G20: Alm Out Act Mode.
•
T0649.EPS
*: Although outputs are continuous, output values are not guaranteed.
IM |