BASIC OPERATION
– PM PID
REV E
– 2/26/15
Page 3 of 4
Z:\Electrical\INSTRUCT\INSTRUMENT\WATLOW\PM\BASIC OPERATION - PM PID rev E.doc
F.
PERFORM AUTOTUNE
***NOT REQUIRED FOR NORMAL OPERATION
1.
Once oven is powered on, load parts into oven and set oven to required
set point.
2.
From the
HOME PAGE
, press and hold and for 3 seconds to
enter the
OPERATIONS
PAGE
.
Ai
is shown on the upper display and
oPEr
is shown on the lower display.
3.
Press until
LooP
is shown in the upper display. Press to enter
LooP
menu.
4.
Press until
no
is shown on the upper display and
AUt
is shown on
the lower display.
5.
Press or to change to
YES
.
6.
Press and hold twice to exit
OPERATIONS
page. Autotune will begin
momentarily. The display will alternate between showing the input value
and set point and showing
tUn1
and
Attn
. Once autotune is completed
(‘tUnE’ will no longer be displayed), the controller will run at the set point
with the new tuning constants.
G.
CHANGE SET POINT LIMITS
***NOT REQUIRED FOR NORMAL OPERATION
1.
From the
HOME PAGE
, press and hold and for 6 seconds to
enter the
SETUP
PAGE
.
Ai
is shown on the upper display and
SEt
is
shown on the lower display.
2.
Press until
LooP
is shown in the upper display. Press to enter
LooP
menu.
3.
Press until
L.SP
is shown on the lower display.
4.
Press or to change to the set point lower limit.
5.
Press until
H.SP
is shown on the lower display.
6.
Press or to change to the set point upper limit.
7.
Press and hold for 2 seconds to exit
SETUP PAGE
.
