ProVU4 Controller, Profiler & Recorder/Controller - Product Manual
Page 120
Modbus Parameters
59407, Issue 3 – May 2011
Creating, Editing or Inserting Segments - Request (
to instrument
)
Field Name
Data
Comments
(Dec)
(Hex)
Events High Byte
00
00
The status of the five events are defined by
the lowest 5 bits of the low byte. A bit value
of 1 signifies the event is on.
Bit 0 = event 1, bit 1 = event 2, bit 3 =
event 4 and bit 5 = event 4.
Events Low Byte
A/R
A/R
CRC High Byte
A/R
A/R
CRC Low Byte
A/R
A/R
Segment Data
The Segment Data is included in the command message when creating, editing or inserting
segments (see above). 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, these data values should be set to zero when
writing the segment data.
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
Target setpoint
Step to a target setpoint “B”
Dwell
Dwell time
Null
Stay at the current setpoint for a period of time “A”
Hold
0 = Operator
Null
Wait for the operator to release the hold
1 = Time of day
Start Time
Wait until time of the day “B” in seconds since
midnight. (
recorder only
).
2 = Aux A digital
input
Null
Wait for digital input A signal
3 = Aux B digital
input
Null
Wait for digital input B signal
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
Profile number
On completion of this profile jump run profile “B”
End
0 = Control off
Null
Turn off all control outputs.
1 = Maintain profile
setpoint
Null
Stay at the final setpoint of the profile
2 = Use controller
setpoint
Null
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.
The instrument replies to this message with an Edit Response Message.
Deleting Profiles
An individual profile can be deleted, or all profiles can be cleared with a single message.
Deleting a profile removes the header of the specified profile and any segments associated
with it. Delete all profiles wipes all profiles and segments from the instrument.