VAT 612 Series - Page 76

INSTALLATION Series
612
76/116 Edition 2018-08-20 605262EE
LEARN STATE bitmap table:
Bit Set Description Possible Reason
0
LEARN RUNNING
Learn procedure is running
1
LEARN DATA SET
Learn data are faulty
Check happens once after power up of the valve
Learn not performed
Learn data incomplete
2*
LEARN TERMINATED
BY USER
Learn procedure was terminated by the
customer/user
3*
HIGH PRESSURE
VALUE AT POSITION
„OPEN“
Pressure at position “Open” > 50% of
MAXIMUM LEARN PRESSURE
Too much gas-flow
Pump is powered off
Chamber leakage
4*
LOW PRESSURE
VALUE AT POSITION
„0“
Pressure at position “0” < 10% of
MAXIMUM LEARN PRESSURE
Too less or no gas-flow
5*
PRESSURE DECREASE
Pressure decreases during learn
Pressure must increase continuously when
moving towards the close position within the
learn procedure.
Instability of sensor signal
Instability of gas-flow
6*
PRESSURE
INSTABILITY
20% pressure deviation at position “Open”
between start and end of learn procedure
Instability of sensor signal
Instability of gas-flow
7-9
NOT USED (reserved)
-
10*
LEARN TERMINATED
BY PROGRAM
Pressure > MAXIMUM LEARN PRESSURE at
position “Open”
Too much gas-flow
Pump is powered off
Chamber leakage
11*
PRESSURE AT
POSITION
„OPEN“ NEGATIV
Negative pressure during learn procedure
No gas-flow
Zero adjust executed at gas-flow
Instability of sensor signal
12-15
NOT USED (reserved)
-
* Bits keep their status until a new learn procedure will start or until power off. These bits indicate any possible warnings
during the learn procedure. The generated learn data must not necessarily be unusable.