9. ER3000 Internal Variables 47
70 ID_PROFILE_STATE - This is the run state of the profile.
0 => STOP
1 => START
2 => RUN
71 ID_PROFILE_STEP - This is the step in the profile which is currently
being run.
119 ID_UI_PROFILE_STARTRUN - This is the restarting mode of the
profile.
0 => Restart profile at the beginning.
1 => Resume profile at current profile step.
9.7 Single “Puff” Solenoid Control Variable
73 ID_PULSE - This variable allows opening the inlet
or exhaust for the
specified duration for one pulse period. After one pulse duration, the
variable is returned to a value of 0.
0x08fa => Inlet full open.
0x0800 => Both valves closed.
0x0706 => Exhaust full open.
9.8 Pulse Mode Variables
81 ID_PULSE_PERIOD - This controls the rate of the p
ulse while pulse
mode is active. The value represents how many passes through the
control algorithm (25ms per pass) before sending a pulse to one of the
solenoids.
82 ID_PULSE_WIDTH - This controls how long the solenoid is held open
while pulse mode is active. Part of this number compensates for
allowed system fluctuations (or noise) so too small a number will not
open the solenoid valve.
83 ID_PULSE_DEADBAND - This is the error from the setpoint allowed
for the pulse function to stop pulsing. This value is in counts read up
from the sensor. One count of error is .03% and typically this number
is in the range of 0-3.
84 ID_PULSE_ENABLE - This turns the pulse function ON(1) or OFF(0).
9.9 Scaling Variables
108 ID_UI_UNITS_CHAR1
1
09 ID_UI_UNITS_CHAR2
110 ID_UI_UNITS_CHAR3
111 ID_UI_UNITS_CHAR4
The "units" variables are used by
supplied software to display the pressure
range units (i.e. psi.).
114 ID_UI_SCALE_MIN_LO
115 ID_UI_SCALE_MIN_HI
116 ID_UI_SCALE_MAX_LO
117 ID_UI_SCALE_MAX_HI
The scale minimum and scale maximum
variables are used by supplied software to
show minimum and maximum ranges.
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