DCP200 Profile Controller & Recorder -Product Manual
Page 124 Modbus Parameters 51-52-25-150, Issue 1 –April 2009
Read Profile Header
-
Response (
from instrument
)
Field Name
Data
Comments
(Dec)
(Hex)
Profile Starting Setpoint High 00
00
0 = Current Setpoint, 1 = Current Process
Variable Value
Profile Starting Setpoint Low
A/R
A/R
Profile Recovery High Byte 00
00
0 = Control to off, 1 = Restart profile,
2 = Maintain last profile setpoint
3 = Use controller setpoint, 4 = Continue
profile from where it was when power failed
Profile Recovery Low Byte
A/R
A/R
Profile Recovery Time (Byte 4 -high)
Floating point number
Profile Recovery Time (Byte 3)
Profile Recovery Time (Byte 2)
Profile Recovery Time (Byte 1 -Low)
Profile Abort action High Byte00
00
0 = Control to off
1 = Maintain last profile setpoint
2 = Use controller setpoint
Profile Abort Action Low Byte
A/R
A/R
Profile Cycles High Byte
A/R
A/R
1 to 9999 or 10,000 for “Infinite”
Profile Cycles Low Byte
A/R
A/R
CRC High Byte
A/R
A/R
CRC Low Byte
A/R
A/R
Read A Segment
-
Request (
to instrument
)
Field Name
Data
Comments
(Dec)
(Hex)
Unit Address
A/R
A/R
The ID address 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 06 06
Read Quantity Of Registers High Byte 00 00
Read Quantity Of Registers Low Byte 11 0B
Write Start Address High Byte 22 16
Write Start Address Low Byte 06 06
Write Quantity Of Registers High Byte00 00
Write Quantity Of Registers Low Byte 03 03
Byte Count 06 06
Command Code High Byte 82 52
Command Code Low Byte 83 53
Profile Number High Byte
A/R
A/R
Profile Number Low Byte
A/R
A/R
Segment Number High Byte
A/R
A/R
Segment Number Low Byte
A/R
A/R
CRC High Byte
A/R
A/R
CRC Low Byte
A/R
A/R