West Control Solutions Pro-EC44 - Page 205

Pro-EC44 2-Loop Graphical Profile Controller & Recorder
Pro-EC44 Product Manual - 59540-2 September 2014 Page 199
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
The instrument replies to the Read A Segment request as follows:
Read A Segment - 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
34 22
Command Response High Byte
82 52
Command Response 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
Segment Type High Byte
0 0
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
A/R A/R
Segment Info A (Byte 4 - High)
A/R
(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)
A/R
(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 Loop 1 High Byte
A/R A/R
0 = Auto-Hold Off, 1 = Hold above SP, 2 = Hold
below SP,3 - Hold above and below SP
Auto Hold Type Loop 1 Low Byte
A/R A/R
Auto Hold Value Loop 1 (Byte 4 - High)
A/R
(Floating
point
number)
The distance loop 2 can be way from setpoint
before Auto-Hold activates.
Auto Hold Value Loop 1 (Byte 3)
Auto Hold Value Loop 1 (Byte 2)
Auto Hold Value Loop 1 (Byte 1 - Low)
Events High Byte
0 0
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 2 = event 3, bit
3 = event 4 and bit 4 = event 5.
Events Low Byte
A/R A/R
Segment Info B Loop 2 (Byte 4 - High)
A/R
(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 Loop 2 (Byte 3)
Segment Info B Loop 2 (Byte 2)
Segment Info B Loop 2 (Byte 1 - Low)