GE C30 Instruction Manual page 142

FRONT PANEL INTERFACE CHAPTER 4: INTERFACES
Figure 4-40: Annunciator alarm sequence in Self Reset mode
4
Latched mode is intended for transient signals such as trip, and it conforms to ISA-18.1-1979 (R2004) standard type M 6.
Figure 4-41: Annunciator alarm sequence in Latched mode
In Acknowledgeable mode, both Off to On and On to Off state changes in the configured operand cause the background to
flash; the window must be acknowledged/reset to cancel flashing. This mode conforms to ISA-18.1-1979 (R2004) standard
type R-6.
4-34 C30 CONTROLLER SYSTEM – INSTRUCTION MANUAL