LAUDA Ultra-Thermostats
UB 20(-D), UB 25, UB 50, UB 30, UB 40
UB 20 F, UB 20 J, UB 30 J, UB 40 J, UB 65 J
UB 20 JL, UB 30 JL, UB 40 JL
YATE0013 / 10.04.02
- 37 -
9.6 Control
parameters
9.6.1
Indication and input of the control parameters
Pressing the key
several times in the SHIFT mode (green LED in shift key alight)
shows the outflow temperature limitation, the correction limitation and the control
parameters X
p
, T
n
and T
v
on the display in L
2
.
Example:
L
2
T
iO
:
120°C
T
i
I
L
2
T
d
:_
30°C
T
i
I
L
2
X
p
: _
0.5°C
T
i
I
L
2
T
n
: _
12.0 s
T
i
I
L
2
T
v
: _
2.0 s
T
i
I
In order to use control parameters other than those found by the auto-adaptation (see
Item 9.4.1) the values can be entered in the appropriate display after switching off the
SHIFT function, pressing
, LED off.
Example for X
p:
0, 0, 1, 0
if the required value is 1.0°C.
For values above 200.0°C or 200.0 sec the message
L
2
OUT OF RANGE
appears.
9.6.2
Recommendations for the control parameters
In most cases satisfactory control results are obtained with the following control
parameters:
bath liquid
water
oil
X
p
0,5°C
1°C
T
n
10 s
25 s
T
v
2 s
5 s