Timer Functions - Wachendorff URDR001A User Manual

7.14

Timer functions

The DRR244 integrates two timers that can be independent, sequential or looped together.
Timer 1 is enabled on parameter 328
the timer starts from the keyboard or digital input (user intervention is required)
ENAB.
the timer starts counting when the regulator is in RUN.
EN.StA.
The timer time-base set in
for timer 2.
In parameter 334
tMr.S.
other.
The timers work independently of each other.
SinGL.
When timer 1 ends, timer 2 starts. The sequence is active only by starting timer 1. When
SeQue.
timer 2 expires, the sequence is interrupted.
When a timer ends, another starts: the sequence repeats itself cyclically.
LooP
To change the duration of the counting time, follow the steps below:
Press Display
Press until
1 SET
display 1.
 
2 Digits on display 1 changes.
To start the keyboard count follow the steps below:
Press Display
Press until
display 2. Display 1 shows STOP if the
1 FNC
timer is stopped, otherwise it shows the
remaining time.
The timer stops if active or starts counting
2 SET
if in STOP.
Start/Stop of Timer is possibile also by digital input (see parameters
The alarm outputs can be associated with the timers (parameters
and 333 is possible to select the activation mode. The proposed solutions are as follows:
A.tM. 1 A.tM.2
Alarm active during timer counting
Start
Alarm active when the timer expiry
End
Alarm active 5 " before the timer expiry
WArn.
18 - URDR001A - User manual
; timer 2 on parameter 331
tmr. 1 .
or by changing parameters 329
mm.ss hh.mm
can be define whether the timers should be independent or related to each
or visualized on
timE 1 time 2
or visualized on
time 1 time 2
:
tmr.2.
for timer 1 and 332
t.b.t. 1
Do
Increase or decrease time value for the
selected timer.
Do
...
d. i . 1 .F d. i . 4 .F.
....
AL. 1 .F AL.5.F.
t.b.t.2
.)
) . On parameters 330