Tag Addresses 2408
f & 2404f PROFIBUS Communications Handbook
8-14 2408
f & 2404f PROFIBUS Communications Handbook
Program General Data
The offsets of each parameter within the program general data block is given by the next table:
Address Offset
Parameter
0
HoldbackType
0: None
1: Low
2: High
3: Band
1
HoldbackValue
2
Ramp Units
0: Secs
1: Mins
2: Hours
3
Dwell Units
0: Secs
1: Mins
2: Hours
4
Program Cycles
5
Reserved
6
Reserved
7
Reserved
Program Segment Data
Program segment data is specified using 8 tag addresses, with the contents varying depending on the type of the segment. The
format per segment is detailed in the following table, which gives the offset from the start of a segment data block for each
item.
Address Offset
Segment Types
STEP
DWELL
RAMP
RATE
RAMP
TIME TO
TARGET
CALL
END
0
Segment Type
Segment Type
Segment Type
Segment Type
Segment Type
Segment Type
1
Target
Setpoint
Target
Setpoint
Target
Setpoint
2
Duration
Rate
Duration
3
Program
Number
End Type
4
Logic O/P’s
Logic O/P’s
Logic O/P’s
Logic O/P’s
Call Cycles
Logic O/P’s
5
6
7
Example Address calculations
Program 1, Segment 4, Segment Type = 8328 + 32 + 0 = 8360 (20A8 Hex)
Program 2, Holdback Value = 8464 + 0 + 1 = 8465 (2111 Hex)
Program 4 Segment 16, End Type = 8872 + 128 + 3 = 9003 (232B Hex)
Power Level in End Segment
This has the tag address 64 in 2400
f
controllers.
Summary of Programmer Enumerators
Controller Display
Parameter Description
6@0
Current Segment Type
0: End
1: Ramp (Rate)
2: Ramp (Time to target)
3: Dwell
4: Step
5: Call
.D6
End Segment Type
0: Reset
1: Indefinate Dwell
2: Set Output
Controller Display
Parameter Description
#
Holdback Type
0: None
1: Low
2: High
3: Band
=)D8
Dwell Units
0: Seconds
1: Minutes
2: Hours
5,0D8
Ramp Units
0: Seconds
1: Minutes
2: Hours