West Control Solutions ProVU 4 User Manual
Page 123

ProVU4 Controller, Profiler & Recorder/Controller - Product Manual
Page 122
Modbus Parameters
59407, Issue 1 – March 2008
Read A Profile Header - Request (to instrument)
Field Name
Data
Comments
(Dec)
(Hex)
Write Quantity Of Registers High Byte
00
00
Write Quantity Of Registers Low Byte
02
02
Byte Count
04
04
Command Code High Byte
82
52
Command Code Low Byte
80
50
Profile Number High Byte
A/R
A/R
Profile Number Low Byte
A/R
A/R
CRC High Byte
A/R
A/R
CRC Low Byte
A/R
A/R
The instrument replies to the Read A Profile Header request as follows:
Read Profile Header - Response (from instrument)
Field Name
Data
Comments
(Dec)
(Hex)
Unit Address
A/R
A/R
The ID address of the instrument
Function Code
23
17
The multi read/write function
Byte Count
36
24
Profile Name Character 1
A/R
A/R
Profile Name Character 2
A/R
A/R
Profile Name Character 3
A/R
A/R
Profile Name Character 4
A/R
A/R
Profile Name Character 5
A/R
A/R
Profile Name Character 6
A/R
A/R
Profile Name Character 7
A/R
A/R
Profile Name Character 8
A/R
A/R
Profile Name Character 9
A/R
A/R
Profile Name Character 10
A/R
A/R
Profile Name Character 11
A/R
A/R
Profile Name Character 12
A/R
A/R
Profile Name Character 13
A/R
A/R
Profile Name Character 14
A/R
A/R
Profile Name Character 15
A/R
A/R
Profile Name Character 16
A/R
A/R
The ASCII codes equivalent to each of the
16 characters of the profile name, e.g. :
A = 65dec / 0x41, B = 66dec / 0x42 etc
a = 97dec / 0x61, b = 98dec / 0x62
The space character (32dec / 0x20hex) is
used to fill any unused characters at the
end of the name.
Profile Start Signal High Byte
00
00
Profile Start Signal Low Byte
A/R
A/R
0 = No delay, 1 = After delay, 2 = At
Time/day
Profile Start Time (Byte 4 - High)
Profile Start Time (Byte 3)
Profile Start Time (Byte 2)
Profile Start Time (Byte 1 - Low)
Floating point number
Profile Start Day High Byte
00
00
Profile Start Day Low Byte
A/R
A/R
1 = Monday, 2 = Tuesday, 3 = Wednesday,
4 = Thursday, 5 = Friday, 6 = Saturday,
7 = Sunday, 8 = Monday to Friday,
9 = Monday to Saturday, 10 = Saturday
And Sunday, 11= All Week