U Page 25
Digital controller RK 4004
.1.0. osc. wave form
Oscillation mode determines the oscillation course. By entering a va-
lue of between 5 and 95 oscillation progression may be changed
from square to delta wave.
5 =
Square-wave
(steep rise/drop of the oscillation signal, long
dwelling period in the oscillation end position
95 =
Delta-wave
(shallow rise/drop of the oscillation signal, short
dwelling period in the oscillation end position
.1.1. >osc. trigger mode
Depending on the command station featured, oscillation may be star-
ted in different manners. In addition, the differentiation must be made
of whether cycle or path-dependent oscillation is concerned.
In the case of cycle-dependent oscillation the duration of an oscillati-
on cycle depends on the set time and in the case of path-dependent
oscillation on the external pulses (see parameter "..9. osc. cycl.
time").
On switching-off oscillation the cycle in progress is continued to
the next zero pass. In the case of path-dependent oscillation the
corresponding pulses must be supplied up to the zero pass. For
path-dependent oscillation the digital input X 3.2 must be pro-
grammed to "web speed measuring" (see parameter .8.6.).
The following table illustrated the various setting options:
t
s
s
s
"5"
"95"
Parameter value:
Explanation:
Cycle
Path-
dependent dependent
0
4
Oscillation is switched on together with automatic mode or off via a command
station with oscillation key or digital interface (command code), independently
of the automatic key.
1
5
If no command station with oscillation key is featured, oscillation may in this
case be switched on or off via the automatic key. After starting automatic mode,
by pressing the automatic key oscillation is started or stopped while the actua-
tor always remains in "automatic" mode.
2
6
Oscillation is generally switched off. Even if an oscillation key is featured, oscil-
lation cannot be started.
3
7
Oscillation is always active. Automatic mode without oscillation is not possible.
Oscillation is started together with automatic mode!
.1.2. webedge guider
Parameter block for setting the web guider.
