ero electronic LFS-mA Manuel De Service page 26

Note Note Note:When device is working with Note Note
SMART algorithm the Pb value will be
limited by P31 and P32 parameters.
HyS Hysteresis for ON/OFF control action Hysteresis for ON/OFF control action Hysteresis for ON/OFF control action Hysteresis for ON/OFF control action Hysteresis for ON/OFF control action
This parameter is available only when
Pb=0.
Range: from 0.1% to 10.0% of the input
span.
ti Integral time Integral time Integral time Integral time Integral time
This parameter is skipped if Pb=0 (ON/
OFF action).
Range: from 00.01 to 20.00 [mm.ss].
Above this value the display blanks and
integral action is excluded.
Note: When the device is working with Note Note Note Note
SMART algorithm, the minimum value of
the integral time will be limited by P33
parameter.
td Derivative time Derivative time Derivative time Derivative time Derivative time
This parameter is skipped if Pb=0 (ON/
OFF action) or P41 = Pi.
Range:From 00.00 to 10.00 mm.ss.
Notes Notes: When device is working with Notes Notes Notes
SMART algorithm the td value will be
equal to a quarter of ti value.
I P Integral pre-load Integral pre-load Integral pre-load Integral pre-load Integral pre-load
Ranges:
- from 0.0 to 100.0 % of the output span
if device is configured for one control
output.
- from -100.0 to 100.0 % of the output
span if device is configured for two
control outputs.
Cy2 Output 2 cycle time Output 2 cycle time Output 2 cycle time Output 2 cycle time Output 2 cycle time
This parameter is available only if P9 is
equal to rEv or dir.
Range:From 1 to 200 s.
LFSMA-1-B.pmd 23
Cy3 Output 3 cycle time Output 3 cycle time Output 3 cycle time Output 3 cycle time Output 3 cycle time
This parameter is available only if P11 is
equal to rEv or dir.
Range:From 1 to 200 s.
rC Relative Cooling gain Relative Cooling gain Relative Cooling gain. Relative Cooling gain Relative Cooling gain
This parameter is available only when
device is configured with two control
outputs and Pb is different from zero or
device is in manual mode.
Range: from 0.20 to 1.00
Note: When the device is working with Note Note Note Note
SMART algorithm and P23 is set to On
the RCG value is limited in accordance
with the selected type of cooling media:
- from 0.85 to 1.00 when P22 = AIr
- from 0.80 to 0.90 when P22 = OIL
- from 0.30 to 0.60 when P22 = H2O
OLAP Dead band/Overlap between H/C Dead band/Overlap between H/C Dead band/Overlap between H/C Dead band/Overlap between H/C Dead band/Overlap between H/C
outputs. outputs outputs outputs outputs
This parameter is available only when
device id configured with two control
outputs and Pb is different from zero or
device is in manual mode.
Range: from -20 to 50 % of the
proportional band.
A negative OLAP value shows a dead
band while a positive value shows an
overlap.
rL Set point low limit Set point low limit Set point low limit Set point low limit Set point low limit
Range: from initial scale value (P3) to
rH.
Note: When P3 has been modified, rL Note Note Note Note
will be realigned to it.
rH Set point high limit Set point high limit Set point high limit Set point high limit Set point high limit
Range:from rL to full scale value (P4).
Note Note: When P4 has been modified, rH Note Note Note
will be realigned to it.
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29/05/2006, 9.23