APC AXFA11G user manual Alarm Selection, G20 Alm Out Act Mode Setting of the active

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: 4-20mA Alarm Out] Setting of the current output during an alarm occurring.

[G30: Alm-Setting]Alarm recognition of “Setting Alarm”

[G31: Alm-Sig Over] Alarm recognition of “Signal Overflow Alarm”

[G32: Alm-Emp Pipe] Alarm recognition of “Empty Pipe alarm”

[G33: Alm-HH/LL]Alarm recognition of “HH/LL Alarm” (Refer to the descriptions of G12 and G13 for more details regarding HH and LL alarms.)

[G34: Alm-Adhesion]Alarm recognition of “Adhe- sion Alarm”

[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

		Alarm description	Alarm	4-20 mA	Totali-	Pulse	Display unit	Alarm
			output	output	zation			record
	Normal		Closed	Normal	Normal	Normal	Display Mode	No
			(On)
10	P Fault	Microprocessor(CPU)failure	Open	0mA or	Indeter-	Stopped	Indetermination	Indeter-
11	EEPROM Fault	EEPROM failure	(Off)	25mA (*)	mination			mination
12	A/D(H) Fault		Open	Fixed			Alarm Mode
13	A/D(L) Fault	A/D converter failure			Stopped	Stopped	(display of system	Recorded
			(Off)	(G21 selection)
							alarm message)
14	A/D(Z) Fault
15	Coil Open	Flowtube coil is open-circuit
16	EEPROM Dflt	EEPROM default values

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.T0648.EPS

(2) Display and output condition for process alarms

		Alarm	Selection	Alarm	4-20 mA	Totali-	Pulse	Display	Alarm
			(parameter
		description		output	output	zation	output	unit	record
			number)
			YES	Open	Fixed	Stopped	Stopped	Alarm Mode	Recorded
30	Sig Overflow	Input signal error	(G31)	(Off)				(Message)
			NO	Closed	Continu-	Continu-	Continu-	Display Mode	No
			(G31)	(On)	ous (*)	ous (*)	ous (*)
		Flowtube is not	YES	Open	Fixed	Stopped	Stopped	Alarm Mode	Recorded
31	Empty Pipe		(G32)	(Off)				(Message)
		filled with fluid	NO	Closed	Continu-	Continu-	Continu-	Display Mode	No
			(G32)	(On)	ous (*)	ous (*)	ous (*)
			YES	Open				Alarm Mode
32	HH/LL Alm	HH/LL Alarm	(G33)	(Off)	Normal	Normal	Normal	(Message)	No
			NO	Closed	operation	operation	operation	Display Mode
			(G33)	(On)
		Electrode	YES	Open	Fixed	Stopped	Stopped	Alarm Mode	Recorded
33	Adhesion Alm		(G34)	(Off)				(Message)
		adhesion alarm	NO	Closed	Continu-	Continu-	Continu-	Display Mode	No
			(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.

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

T0649.EPS

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

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