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
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9.4.3 Display resolution L1
At the PAR level display select
L
1
Display
0.001 = 1
L
2
resolution 0.01 = 0
Entering 1 (SHIFT OFF)
switches all displays in L
1
to 0.001 K resolution. The
temperatures are then displayed with approx. 2 digit resolution. Input "0" switches all the
displays in L
1
to 0.01 K resolution.
Normally a resolution of 0.01 K is used.
9.4.4 Contact input Fault 14 N
When using the contact input "FAULT" 14 N, pins 1 and 2 of the socket have to be
connected together when there is no fault. If this input is not being used, a blanking plug
with a link has to be plugged in. The function of the contact input fault can be switched
off at the PAR level on the display
L
1
Alarm Inp. con 14 N
L
2
on = 1 off = 0
by the input of "0" (SHIFT OFF). A shorting plus is then not required.
If the alarm input has been activated in error by the input of "1", the unit can be restarted
by the following inputs:
Press the
key. At the PAR level select "Alarm Inp. con 14 N". Input "0" with .
Press
again.
If a fault message has been produced by opening the external signal circuit, reset by
pressing the key
twice after rectifying the fault.
Connections contact input "Fault" 14 N (alarm in)
3-pin flange socket to NAMUR recommendation NE 28
1 = n.o. (close)
2 = common
3 = not used
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