Danfoss VLT AutomationDrive FC 302, Руководство по программированию, Страница: 175 / 346

13-10 Comparator Operand
Option: Function:
[226] Touch on
Target
NOTICE
This option is available only with
software version 48.20 and newer.
Target position is reached in touch probe
position mode.
[227] Touch Activated
NOTICE
This option is available only with
software version 48.20 and newer.
Touch probe positioning active. The
frequency converter monitors the touch
probe sensor input.
[249] Therm. Sensor
Temp.
13-11 Comparator Operator
Option: Function:
Select the operator to be used in the
comparison. This is an array parameter containing
comparator operators 0–5.
[0] < The result of the evaluation is true when the
variable selected in
parameter 13-10 Comparator
Operand is smaller than the fixed value in
parameter 13-12 Comparator Value . The result is
false if the variable selected in
parameter 13-10 Comparator Operand is greater
than the fixed value in
parameter 13-12 Comparator Value .
[1] ≈ (equal) The result of the evaluation is true when the
variable selected in
parameter 13-10 Comparator
Operand is approximately equal to the fixed value
in parameter 13-12 Comparator Value .
[2] > Inverse logic of option [0] < .
[5] TRUE
longer
than..
[6] FALSE
longer
than..
[7] TRUE
shorter
than..
[8] FALSE
shorter
than..
13-12 Comparator Value
Array [6]
Range: Function:
Size
related
*
[ -100000.000 -
100000 ] Enter the trigger level for the
variable that is monitored by
this comparator. This is an array
parameter containing
comparator values 0–5.
3.13.3 RS Flip Flops
The reset/set flip flops hold the signal until set/reset.
Par. 13-15
RS-FF Operand S
Par. 13-16
RS-FF Operand R
130BB959.10
Illustration 3.55 Reset/Set Flip Flops
2 parameters are used, and the output can be used in the
logic rules and as events.
R
S
Flip Flop Output
130BB960.10
Illustration 3.56 Flip Flop Outputs
The 2 operators can be selected from a long list. As a
special case, the same digital input can be used as both
set and reset, making it possible to use the same digital
input as start/stop. The following settings can be used to
set up the same digital input (for example, DI32) as start/
stop.
Parameter Setting Notes
Parameter 13-00 SL Controller
Mode
On –
Parameter 13-01 Start Event True –
Parameter 13-02 Stop Event False –
Parameter 13-40 Logic Rule
Boolean 1
[0]
[37] Digital
Input DI32
–
Parameter 13-42 Logic Rule
Boolean 2
[0]
[2] Running –
Parameter 13-41 Logic Rule
Operator 1
[0]
[3] AND
NOT
–
Parameter 13-40 Logic Rule
Boolean 1
[1]
[37] Digital
Input DI32
–
Parameter Descriptions Programming Guide
MG33MP02 Danfoss A/S © 10/2018 All rights reserved. 173
3 3