User manual

Page 57
EA Elektro-Automatik GmbH
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Germany
Fon: +49 2162 / 3785-0
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www.elektroautomatik.de
[e-mail]
EL 9000 T Series
Bylinkingtogetheranumberofdifferentlyconguredsequences,complexprogressionscanbecreated.Smart
congurationofthearbitrarygeneratorcanbeusedtomatchtriangular,sine,rectangularortrapezoidalwavefunc-
tions and thus, e.g. a sequence of rectangular waves with differing amplitudes or duty cycles could be produced.
Assignment to U or I makes 100 sequences available for the use on either current or voltage,
but not on a mix of both. That means that a sequence 1 which produces a ramp up on current
cannot be followed by sequence 2 which applies a sine wave to the voltage.
Schematic diagrams: Applications and results:
t
A
Example 7
Focussing 1 cycle of 2 sequences from 100:
Asequenceconguredasinexample3isrun.
As the settings demand that the end offset
(DCe) is higher than the start, the second se-
quence run will revert to the same start level
astherst,regardlessofthevaluesachieved
attheendoftherstrun.Thiscanproducea
discontinuity in the total progression (marked
in red) which may only be compensated with
careful choice of settings.
t
A
Sequenz 1 Sequenz 2
Example 8
Focussing 1 cycle of 2 sequences from 100:
Two sequences runconsecutively.Therst
generates a sine wave with increasing ampli-
tude, the second with a decreasing amplitude.
Together they produce a progression as shown
left. In order to ensure that the maximum
waveinthemiddleoccursonlyonce,therst
sequence must end with a positive half wave
and the second start with a negative half wave
as shown in the diagram..
t
A
Sequenz 1 Sequenz 2 Seq. 3 Sequenz 4
Example 9
Focussing 1 cycle of 4 sequences from 100:
Sequence 1: 1/4th of sine wave (angle = 270 °)
Sequence 2: 3 Sine waves (relationship fre-
quency to sequence time: 1:3)
Sequence 3: Horizontal ramp (f = 0)
Sequence 4: Falling ramp (f = 0)