Comparators - Danfoss VLT HVAC Basic Drive FC 100 Series Programming Manual

Parameters
13-02 Stop Event
Option:
[28] Logic rule 2
3 3
[29] Logic rule 3
[30] SL Time-out 0
[31] SL Time-out 1
[32] SL Time-out 2
[33] Digital input DI18
[34] Digital input DI19
[35] Digital input DI27
[36] Digital input DI29
[39] Start command
[40] Drive stopped
[42] Auto Reset Trip
[50] Comparator 4
[51] Comparator 5
[60] Logic rule 4
[61] Logic rule 5
[70] SL Time-out 3
[71] SL Time-out 4
[72] SL Time-out 5
[73] SL Time-out 6
3-42
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VLT HVAC Basic Drive Programming Guide
Function:
Use the result of logic rule 2 in the
logic rule.
Use the result of logic rule 3 in the
logic rule.
Use the result of timer 0 in the logic
rule.
Use the result of timer 1 in the logic
rule.
Use the result of timer 2 in the logic
rule.
Use the value of DI18 in the logic rule
(High = TRUE).
Use the value of DI27 in the logic rule
(High = TRUE).
Use the value of DI29 in the logic rule
(High = TRUE).
This event is TRUE if the adjustable
frequency drive is started by any means
(either via digital input, serial communi-
cation bus or other).
This event is TRUE if the adjustable
frequency drive is stopped or coasted
by any means (either via digital input,
serial communication bus or other).
This event is TRUE if the adjustable
frequency drive is tripped (but not trip-
locked) and an automatic reset is
issued.
Use the result of comparator 4 in the
logic rule.
Use the result of comparator 5 in the
logic rule.
Use the result of logic rule 4 in the
logic rule.
Use the result of logic rule 5 in the
logic rule.
Use the result of timer 3 in the logic
rule.
Use the result of timer 4 in the logic
rule.
Use the result of timer 5 in the logic
rule.
Use the result of timer 6 in the logic
rule.
MG18B222 - VLT
13-02 Stop Event
Option:
[74] SL Time-out 7
[83] Broken Belt
13-03 Reset SLC
Option:
[0] Do not reset
SLC
[1] Reset SLC

3.9.3 13-1* Comparators

Comparators are used for comparing continuous variables
(i.e., output frequency, output current, analog input, etc.)
to fixed preset values.
Par. 13-10
Comparator Operand
Par. 13-12
Comparator Value
Figure 3.14
In addition, there are digital values that will be compared
to fixed time values. See explanation in 13-10 Comparator
Operand. Comparators are evaluated once in each scan
interval. Use the result (TRUE or FALSE) directly. All
parameters in this parameter group are array parameters
with index 0 to 5. Select index 0 to program Comparator 0,
select index 1 to program Comparator 1, etc.
13-10 Comparator Operand
Array [6]
Option:
[0] Disabled
[1] Reference
[2] Feedback
[3] Motor speed
[4] Motor Current
[6] Motor power
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Function:
Use the result of timer 7 in the logic
rule.
A broken belt condition has been
detected. This function must be
enabled in 22-60 Broken Belt Function.
Function:
Retains programmed settings in all group
13 parameters (13-*).
Resets all group 13 parameters (13-*) to
default settings.
Par. 13-11
Comparator Operator
=
TRUE longer than.
. . .
. . .
Function:
Select the variable to be monitored by
the comparator.