West Control Solutions N8840 - Manual (Page 47)

4.4 Set-point processing
The set-point processing structure is shown in the following picture:
Set-point gradient / ramp
To prevent set-point step changes, parameter
r
set-point
r
r.SP can be adjusted
to a maximum rate of change. This gradient is effective in positive and negative
direction..
With parameter r.SPset to OFF (default), the gradient is switched off and
set-point changes are realized directly.
(for parameter: see page 59 )
Configuration level
8840 profiler 47 Set-point processing
0
1
Ü
Xeff
SP.2
SP.E
Internal set-point
Programmer
*
Ö
SP.Hi
SP.Lo
r.SP
- LED
external
set-point
Limiting
Ramp
2nd
set-point
Effective
set-point
Ü
+
+
8
9
The ramp starts at process value with the following switchings:
- int / ext-setpoint switching
- / switching
- Manual-/ Automatic switching
- at power on
SP SP.2
Index:
Ь
*
Ц
: int/ext-setpoint switching
: configuration
: / switching
SP.Fn
SP SP.2
RUN
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