Limitorque MX Electronic Actuator FCD LMENIM2350-02 A4 – 05/16
22
FLOWSERVE PROPRIETARY INFORMATION
Use or disclosure of this information is subject to the restrictions on the title page of this document
• Event: Actuator moved out of remote mode.
• Actions:
a. Actuator stops motion.
b. LCD reports “STATUS OK.”
c. Monitor relay de-energizes.
d. PST status indicators set to either PST failed to reach target position in allotted time or PST failed to return to
starting position in allotted time as appropriate.
• Event: Any ESD command.
• Actions:
a. Actuator stops PST action and performs ESD action.
ESD signal must be removed and PST signal must be reasserted before PST will be accepted.
b. LCD reports “ESD ACTIVE.”
c. PST status indicators set to either PST failed to reach target position in allotted time or PST failed to return to
starting position in allotted time as appropriate.
• Events: Any new move command to actuator.
• Actions:
a. New remote digital Open, Close, Stop or Inhibit signal.
b. Network movement command.
• Actions:
a. Actuator stops PST motion and performs new command.
PST signal must be reasserted before PST will be accepted.
b. LCD reports “STATUS OK.”
c. PST status indicators set to either PST failed to reach target position in allotted time or PST failed to return to
starting position in allotted time as appropriate.
7.3.12 Actions During Power-Down Cycle During PST Event
• Power-down event shall stop active PST operation.
• Power-up event will restore actuator to normal operation in accordance with its startup operating mode and any
active command inputs.
• Power-up event shall restore PST status register to PST initial condition.
• PST signals will be re-evaluated and accepted if valid.
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