VICI EUT Universal Electric Actuator - Manual (Page 18)


If an actuator set to F (forward direction) is in position 4 and the command is sent to go to
position 3, it will go all the way around until it reaches position 3 instead of taking one step
backwards. For the actuator to calculate the direction which involves the least movement,
the direction must be set to A (shortest route).
Modes available: Multiposition (3)
Examples
Command:
SM<enter>
Returns: SMl [0x0D] (l = current rotation direction)
Command: SMF<enter>
Sets the actuator to only move in the forward direction
SO[nn] Sets the offset value of the first position to be any number from 1 – 96,
where nn = 1 – 96.
This feature makes it possible to control more than one actuator with a single computer. The
actuator’s SO value can be set from “1” to “96”, minus the current NP value (the number of
positions the actuator is set to index). Once an SO value is set, that value is the first (or
lowest) position an actuator will recognize. The factory SO setting is “1”, so an actuator with an
NP value of 10 responds to move commands for positions “1” to “10”. If the SO value is
changed to “10”, the actuator will respond only to move commands for positions “10” through
“19”. For any setting of SO and NP, the lowest valid position will be the SO value and the
highest valid position will be the SO value plus the NP value minus 1; i.e., the actuator will
respond to commands for position SO through position {SO + NP - 1}. Refer to “Using the
Offset Feature” on page 19.
Modes available: All (but used primarily in mode 3, multiposition)
Examples
Command:
SO<enter>
Returns SOnn [0x0D] (nn = current offset value)
Command: SO10<enter>
Sets the offset value to 10. The valve will now start counting as
if 10 = position 1
STAT Returns (via the serial port) the following information,
CP = current position
AM = current mode
NP = number of ports (modes 1 and 2) or positions (mode 3) on the
current valve
(See also CP, AM, and NP commands)
Modes available: All
Example
Command:
STAT<enter>
Returns: Current status of the actuator
TM Returns the amount of time, in milliseconds, required by the previous move
Modes available: All
Example
Command:
TM<enter>
Returns: Number of milliseconds taken to move from the previous position
to the current position
Optional Serial Interface