West Control Solutions Pro-EC44 - Page 206

Pro-EC44 2-Loop Graphical Profile Controller & Recorder
Pro-EC44 Product Manual - 59540-2 September 2014 Page 200
Auto Hold Type Loop 2 High Byte
A/R A/R
0 = Auto-Hold Off, 1 = Hold above SP, 2 = Hold
below SP,3 - Hold above and below SP
Auto Hold Type Loop 2 Low Byte
A/R A/R
Auto Hold Value Loop 2 (Byte 4 - High)
A/R
(Floating
point
number)
The distance loop 2 can be way from setpoint
before Auto-Hold activates.
(Always 0 when profile only controls a single
loop)
Auto Hold Value Loop 2 (Byte 3)
Auto Hold Value Loop 2 (Byte 2)
Auto Hold Value Loop 2 (Byte 1 - Low)
CRC High Byte
A/R A/R
CRC Low Byte
A/R A/R
Segment Data
The Segment Data is included in the response to a Read Segment request. It is provided in
two parts (Segment Info A and B).
The meaning of the data contained in Segment Info A and B depends on the type of segment
it relates to. Null is shown for unused data, this can be any value.
Segment Type Segment Info Description
A B
Ramp Time Time Target
setpoint
Ramp to the target setpoint “B” in the time “A”
Ramp Rate Ramp rate Target
setpoint
Ramp to the target setpoint “B” at the ramp
rate “A”
Step
Null (0)
Target
setpoint
Step to a target setpoint “B”
Dwell Dwell time
Null (0)
Stay at the current setpoint for time “A”
Hold 0 = Operator
Null (0)
Wait for the operator to release the hold or
Digital Input
1 = Time of
day
Start Time Wait until time of the day “B” in seconds since
midnight (recorder only).
Loop Number of
times to
repeat 1 to
9999
Segment
number
Loop to the specified segment number “B”
from this point. Repeat this “A” times. Only
segments below the current segment can be
entered. Two loops must not cross each other.
Join
Null (0)
Profile
number
On completion of this profile run profile “B”
End 0 = Control
off
Null (0)
Turn off all control outputs.
1 = Maintain
profile
setpoint
Null (0)
Stay at the final setpoint of the profile
2 = Use
controller
setpoint
Null (0)
Use the active controller setpoint.
Repeat Sequence Then End 0 = Outputs
off
Number of
times to
repeat
sequence
Repeat the profile sequence number “B” times,
then turn off the control outputs
1 = Maintain
profile
setpoint
Repeat the profile sequence number “B” times,
then hold the last profile setpoint.
2 = Use
controller
setpoint
Repeat the profile sequence number “B” times,
then use the active controller setpoint.