West Control Solutions N8840 - Manual (Page 68)

7.3 Programmer description
7.3.1 General
A survey of the most important features:
w Programs: 8 or 16 (dependent of order)
w Control outputs: 4
w Segments: 16 per program
w Segment types: ramp (set-point and time)
ramp (set-point and gradient)
hold segment (holding time)
step segment (with alarm suppression)
end segment
All segment types can be combined with ”Wait at the end and call operator”
w Time unit: configurable in hours:minutes or
minutes:seconds
w Maximum segment duration: 9999 hours = 1 year 51 days
w Maximum
program duration: 16 x 9999 hours = > 18 years
w Gradient:
0,01°C/h ( /min) to 9999°C/h ( /min)
w Program name: 8 characters, adjustable via
8800/8840 Configurator software
w Bandwidth control: bandwidth high and low (b.Lo,b.Hi)
limits defininable for each program
Programmer level
Programmer description 68 8840 profiler
b.Hi
b.Lo
hold segment
step segment analog track
control track 1
control track 2
control track 3
control track 4
1 2 4 5
12
13
14 15
16 (8)
16
PRESET END
PRESET
RESET
START END program time run off
3
program end