Watlow Series SD31 PID with Optional Countdown Timer - Manual (Page 39)

Wa t l o w S e r i e s S D 3 1 ■ 37 ■ C h a p t e r 8 Ti m e r
Prompt Timer Related Settings
Timer Enable
{ti;En}
[ti.En]
Set to {~~On} to enable the timer.
Hours
{hour}
[hour]
Set the number of hours for the countdown time.
Minutes
[Min]
[Min]
Set the number of minutes for the countdown time.
Seconds
[~Sec]
[ Sec]
Set the number of seconds for the countdown time.
Timer Start Method
[ti;St]
[ti.St]
[Imd] Immediate Method - Timer sequence starts on
a Down
¯ key press at the Home Page. Timer count-
down starts immediately. Timer does not make use of
the Ready Band.
[~rdy] Ready Method - Timer sequence starts on a
Down
¯ key press at the Home Page. Timer count-
down is linked to the ready status. Timing is auto-
matically paused until the process value is within the
Ready Band. Timing is automatically continued once
the process value returns to within the Ready Band.
[rdyA] Ready with Acknowledge Method - Timer se-
quence starts on a Down
¯ key press at the home
page. Timer countdown is linked to the ready status.
Actual timer countdown does not start until the Down
¯ key is pressed again while the process value is
within the ready band. The timer will operate as de-
scribed in the ready method.
[PWr] Power Up Method - Timer sequence starts on
initial power up of the controller without a key press.
Timer does not make use of the Ready Band. After
the completion of the first timer sequence, a press of
the Down
¯ key at the Home Page, will repeat the
timer sequence.