DCP200 Profile Controller & Recorder - Product Manual
51-52-25-150, Issue 1 – April 2009 Modbus Parameters Page 125
Unit Address
The ID address of the instrument
Function Code 23 17 The multi read/write function
Byte Count 02 18
Command Response High Byte 82 52
Command Response Low Byte 83 53
Profile Number High Byte
Profile Number Low Byte
Segment Number High Byte
Segment Number Low Byte
Segment Type High Byte 00 00 0 = Ramp Time, 1 = Ramp Rate,
2 = Step, 3 = Dwell, 4 = Hold, 5 = Loop
6 = Join, 7 = End, 8 = Repeat sequence
then end
Segment Type Low Byte
Segment Info A (Byte 4 - High)
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 A (Byte 3)
Segment Info A (Byte 2)
Segment Info A (Byte 1 - Low)
Segment Info B (Byte 4 - High)
Floating point number
The meaning of the data contained in
Segment Info B depends on the type of
segment it relates to. See below.
Segment Info B (Byte 3)
Segment Info B (Byte 2)
Segment Info B (Byte 1 - Low)
Auto Hold Type High Byte
0 = Auto-Hold Off, 1 = Hold above SP,
2 = Hold below SP,3 - Hold above and
below SP
Auto Hold Type Low Byte
Auto Hold Value (Byte 4 - High)
Floating point number
Auto Hold Value (Byte 3)
Auto Hold Value (Byte 2)
Auto Hold Value (Byte 1 - Low)
Events High Byte 00 00 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.
Events Low Byte
CRC High Byte
CRC Low Byte
