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ACT2000
• If the ACT2000 receives a discrete RUN command, the firmware program will
transition to the HOME DEAD BAND state.
• If the ACT2000 receives a discrete RESET command, the firmware program
will continuously reset. The actuator will not function and will remain in the
power-up/reset state.
WARNING:
Property Damage Hazard – Always remove RUN command during Set-Up
state. If a RUN command is given during program download, the actuator
will not respond until download is complete.
Set-Up State
The ACT2000 communicates with the user in this state. See Figure 2-7. Contact
Precision Engine Controls for a copy of ActWiz software in order to communicate
with the ACT2000.
In this state, a set-up file can be uploaded or downloaded. A Fault file can also be
uploaded using the ActWiz software. Please see ActWiz software manual for
more information.
The ACT2000 can only enter this state via POWER-UP/RESET. The ACT2000
enters this state via a SET-UP command received via the RS232 interface.
The actuator will leave this state after a file has been uploaded or downloaded.
The ACT2000 will not hold position while in this state.
WARNING:
Property Damage Hazard – The ACT2000 will not hold position when
communicating with ActWiz software. Ensure there is no load on the
extension rod when communicating with the actuator.
Once the ACT2000 has completed the power-up operations, it will wait for a RUN
command. The actuator will not move or hold load until a RUN command is
received.
2.3.2 Run Modes
Upon receipt of RUN command, the ACT2000 firmware program will transition to
one of the run modes listed below.
Note: As a safety feature, the ACT2000 will not move without a RUN
command.
Home/Dead Band State
The HOME/DEAD BAND state is used to find HOME position after a
POWER-UP/RESET. See Figure 2-7. The firmware program will transition to
HOME/DEADBAND upon receipt of RUN command.
While in the HOME/DEAD BAND state, the actuator moves at constant
velocity (homing velocity) and direction (extend or retract) until a mechanical
stop is found.
Note: If RUN command is removed, the actuator will not function.
2-7