User manual - DRR227 -
13
manual mode if digital input active, otherwise the regulation is automatic.
•
Act.t.
: (Action Type) heating regulation with inactive digital input; Cooling
regulation with active digital input;
•
o.rSt
: (Outputs Reset) allows to reset the outputs if Manual reset should be
configured for command output and/or alarm outputs.
7.8 Memory Card (optional)
Parameters and setpoint values can be easily copied from one controller to
others using the MEMORY CARD.
Enter the Memory Card
with the controller not connected to power supply.
At starting display 1 visualizes
memo
while display 2 visualizes
SkiP
(
only if
into the Memory are stored correct values
). Pressing
display 2 visualizes
Load
. Press
SET
to confirm. The controller loads the new values and restarts.
NB
: parameters may be copied only on controllers of the same model!
Updating Memory Card.
To update the memory card values, follow the procedure previously described, setting
SkiP
on display 2 so as not to load the parameters on controller.
Enter configuration (password 1234): Exiting configuration mode, the settings will be
automatically saved on Memory card.
7.9 Regulation control
DRR227 integrates different types of control for the regulation of the SSR command
output, selecting parameter 43
o.cL.t.
as follows:
tiME
Time control
Activation and deactivation of the output is related to the time selected on parameter
52
c.t.
. Ex. selecting a time of 10s and supposing a 30% percentage, the output will
remain active for 3s and inactive for 7s.
bSt.F.
Burst fire control
The “Burst-fire” control (1 cycle) is a duty cycle mode which consists of supplying a
series of complete mains voltage cycles to the load.
