West Control Solutions Pro-EC44 - Manual (Page 196)

Pro-EC44 2-Loop Graphical Profile Controller & Recorder
Pro-EC44 Product Manual - 59540-1 October 2013 Page 189
Instruction Sequence to read a profile
1. Use the command RP to read the profile header data
2. Use the command RS to read the 1
st segment’s data
3. Use the command RS to read the 2
nd segment’s data.
4. Repeat steps 2 and 3 until an end segment is reached.
The following rules apply when creating a profile over communications:

Profiles must always be terminated with an end segment.

Segments cannot be added after an end segment has been added.

All changes made to the selected profile are immediately saved in the instrument.
Creating or Editing a Profile Header
Creating Or Editing A Profile Header - Request (to instrument)
Field Name Data Comments
Dec Hex
Unit Address
A/R A/R The network address ID of the instrument.
Function Code 23 17 Requires the multi read/write function.
Read Start Address High Byte 32 20
Read Start Address Low Byte 6 6
Read Quantity Of Registers High Byte 0 0
Read Quantity Of Registers Low Byte 1 1
Write Start Address High Byte 32 20
Write Start Address Low Byte 6 6
Write Quantity Of Registers High Byte 0 0
Write Quantity Of Registers Low Byte
20 or 21 14 or 15
20dec / 0x14hex if creating a profile at the
next available location.
21dec / 0x15hex if creating a profile at a
specified location, or editing a profile.
Byte Count
40 or 42 28 or 2A
40dec / 0x28hex if creating a profile at the
next available location.
42dec / 0x2Ahex if creating a profile at a
specified location, or editing a profile.
Command Code High Byte
67, 69 or
87
43, 45 or
57
0x43hex (67dec) if creating a profile at the
next available location.
45hex (69 dec) / 57hex (87dec) if creating a
profile at a specified location, or editing a
profile.
Command Code Low Byte 80 50
Profile Number High Byte A/R A/R Note: The profile number is not included
in the message when creating a profile
at the next available position.
Profile Number Low Byte
A/R A/R