Anderson Manufacturing AV-9000 manual Derived Actuators DA1 Item Not Reset

EXAMPLE 6

Latching Alarm

Configuration:
Process Variables:
Process Variable	1
PV1 Display Tag	users choice
PV1 Input	IV1
A11 Alarm Type	Process - High
A11 Hysteresis	3
LEDs:
LED Number	8
LED 8 Actuator	DA1
Relays:
Relay Number	4
Relay 4 Usage	State or On-Off
Relay 4 Actuator	DA1
Derived Actuators:
Derived Actuator	1
DA1 Item 1	Not
DA1 Item 2	Reset
DA1 Item 3	And
DA1 Item 4	DA1
DA1 Item 5	Or
DA1 Item 6	A11
DA1 Item 7	End

Derived Actuator 1 will be true when A11 is true OR when DA 1 is true AND the Reset Key is not true. To cause Derived Actuator 1 to be false, press the Reset key, providing the process has gone below the alarm set point.

Note: The LED 8 and Relay 4 will remain latched until the Reset Key is pressed although the display will no longer display the "H" or the "g" (global indicator).

Edition 3 D-4 Appendix D

Rev G