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DCP200 Profile Controller & Recorder - Product Manual
51-52-25-150, Issue 1 – April 2009 Modbus Parameters Page 123
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
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 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
Profile Start Signal High Byte 00
00
0 = No delay, 1 = After delay, 2 = At
Time/day
Profile Start Signal Low Byte
A/R
A/R
Profile Start Time (Byte 4 - High)
Floating point number
Profile Start Time (Byte 3)
Profile Start Time (Byte 2)
Profile Start Time (Byte 1 - Low)
Profile Start Day High Byte 00
00
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
Profile Start Day Low Byte
A/R
A/R