16 -
User manual
7.10 Soft-Start function
ISO-plus
is provided with two types of softstart selectables on parameter 80
SS.tY.
(
“Softstart Type”
word 2080).
1 First selection (value 1 of word 2080) enables gradient softstart. At starting the
controller reaches setpoint basing on the rising gradient set on parameter 81
SS.Gr.
(
“Softstart Gradient”
word 2081) in Unit/hour (ex. °C/h). If parameter 84
SS.ti.
(
“Softstart Time”
word 2084) is different to 0, at starting when the time selected on
parameter 84 is elapsed, the controller stops to follow the gradient and reaches
setpoint with the maximum power.
2 Second selection (value 2 of word 2080) enables output percentual softstart. On
par 83
SS.tH.
(
“Softstart Threshold”
word 2083) it is possible to set the threshold
under which starts the softstart. On parameter 82
SS.PE.
(
“Softstart Percentage”
word 2082) an output percentage is selectable (0 to 100), which controller keeps
until the process exceeds the threshold set on parameter 83 or until the time in
minutes set on parameter 84
SS.ti.
(
“Softstart Time”
word 2084) expires.
7.11 Retransmission function on analogue output
If not used as command, the anaolgue output can be used to retransmit process/
setpoint/ current read by the C.T. input/ output percentage.
Select on parameter 100
rEtr.
(
“Retransmission”
word 2100) the value to be
retransmitted. Select on parameter 101
rE.tY.
(
“Retransmission Type”
word 2101) the
type of output. It is possible also to select on parameters 102 and 103 the input value
rescale limites.
7.12 LATCH ON Function
For use with input
pot.1
(potentiometer 6 KΩ) and
pot.2
(potentiometer 150 KΩ) and
with linear input (0..10 V, 0..60 mV, 0/4..20 mA), it is possible to associate start value
of the scale (parameter 3
Lo.L.i.
“Lower Linear Input“ word 2003) to the minimum
position of the sensor and value of the scale end (parameter 4
uP.L.i.
“Upper
Linear Input“ word 2004) to the maximum position of the sensor (parameter 1 sul
parametro 9
Ltch
”Latch On” word 2009).
It is also possible to fix the point in which the controller will display 0 (however
keeping the scale range between
Lo.L.i.
e
uP.L.i.
) using the
“virtual zero”
option by
setting 2 or 3 in parameter 9
Ltch.
Setting 2 virtual zero can be modified in each moment while setting 1, Latch-On
function ends after 120 seconds.
Then refer to the following table for the calibration procedure:
Содержание ISO-plus-CAN
Страница 1: ...ISO plus CAN ISO plus RS4 User manual...