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2 parameters are used, and the output can be used in the logic rules and as events.
R
S
Flip flop output
e3
0b
b9
60
.1
1
Illustration 40: 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.
Table 11: Operators
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 13-42 Logic Rule Boolean 2
[1]
[2] Running
–
Parameter 13-41 Logic Rule Operator 1
[1]
[1] AND
–
Parameter 13-15 RS-FF Operand S
[0]
[26] Logic rule 0
Output from
parameter 13-41 Log ic Rule Operator 1
[0].
Parameter 13-16 RS-FF Operand R
[0]
[27] Logic rule 1
Output from
parameter 13-41 Log ic Rule Operator 1
[1].
Parameter 13-51 SL Controller Event
[0]
[94] RS Flipflop 0
Output from
parameter 13-15 RSFF Operand S
and
parameter
13-16 RSFF Operand R
.
Parameter 13-52 SL Controller Action
[0]
[22] Run
–
Parameter 13-51 SL Controller Event
[1]
[27] Logic rule 1
–
Parameter 13-52 SL Controller Action
[1]
[24] Stop
–
6.2.12.5 Timers
Use the result (true or false) from timers directly to define an event (see
parameter 13-51 SL Controller Event
), or as boolean input in a
logic rule (see
parameter 13-40 Logic Rule Boolean 1
,
parameter 13-42 Logic Rule Boolean 2
, or
parameter 13-44 Logic Rule Boolean 3
). A
timer is only false when started by an action (for example
[29] Start timer 1
) until the timer value entered in this parameter has
elapsed. Then it becomes true again. All parameters in this parameter group are array parameters with index 0–2. Select index 0 to
program timer 0, select index 1 to program timer 1, and so on.
AJ300847815559en-000101 / 130R0337
52 | Danfoss A/S © 2020.09
Product Features
VLT® AQUA Drive FC 202
Design Guide