West Control Solutions ProVU 4 - Manual (Page 118)

ProVU4 Controller, Profiler & Recorder/Controller - Product Manual
59407, Issue 1 – March 2008 Modbus Parameters Page 117
Creating, Editing or Inserting Segments - Request (to instrument)
Field Name Data Comments
(Dec) (Hex)
Read Quantity Of Registers High 00 00
Read Quantity Of Registers Low 01 01
Write Start Address High 32 20
Write Start Address Low 06 06
Write Quantity Of Registers High 00 00
Write Quantity Of Registers Low 11 or 12 0B or 0C Create Segment (WS) = 11dec / 0x0Bhex
Insert Segment (IS) = 12dec / 0x0Chex
Edit A Segment (ES) = 12dec / 0x0Chex
Byte Count 22 or 24 16 or 18 Create Segment (WS) = 22dec / 0x16hex
Insert Segment (IS) = 24dec / 0x18hex
Edit A Segment (ES) = 24dec / 0x18hex
Command Code High Byte 87, 73 or
69
57 or 49 Create Segment (WS) = 87dec / 0x57hex
Insert Segment (IS) = 73dec / 0x49hex
Edit A Segment (ES) = 69dec / 0x45hex
Command Code Low Byte 83 53
Profile Number High Byte A/R A/R
Profile Number Low Byte A/R A/R
Segment Position High Byte A/R A/R
Segment Position Low Byte A/R A/R
Note: The Segment Position is not
included in the message when creating
a segment at the next available position.
Segment Type High Byte 00 00
Segment Type Low Byte A/R A/R
0 = Ramp Time, 1 = Ramp Rate,
2 = Step, 3 = Dwell, 4 = Hold, 5 = Loop
6 = Join, 7 = End, 8 = Repeat sequence
then end
Segment Info A (Byte 4 - High)
Segment Info A (Byte 3)
Segment Info A (Byte 2)
Segment Info A (Byte 1 - Low)
Floating point number
The meaning of the data contained in
Segment Info A depends on the type of
segment it relates to. See below.
Segment Info B (Byte 4 - High)
Segment Info B (Byte 3)
Segment Info B (Byte 2)
Segment Info B (Byte 1 - Low)
Floating point number
The meaning of the data contained in
Segment Info B depends on the type of
segment it relates to. See below.
Auto Hold Type High Byte A/R A/R
Auto Hold Type Low 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 Value (Byte 4 - High)
Auto Hold Value (Byte 3)
Auto Hold Value (Byte 2)
Auto Hold Value (Byte 1 - Low)
Floating point number
Events High Byte 00 00
Events Low Byte A/R A/R
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.
CRC High Byte A/R A/R
CRC Low Byte A/R A/R