JUMO iTRON B 70.2040 Operating Instructions Manual page 34

C120
Timer function
0 no function
1 time-limited control
2 time-dependent setpoint switching
3 time-delayed control
4 timer (control independent of timer)
. . .
C121
Start condition for timer
1 after power ON, logic input/keys
q
2 via logic input/keys
3 via logic input/keys; timer counts 1°C
from tolerance limit
4 via logic input/keys; timer counts 5°C
from tolerance limit
5 after power ON, logic input/keys
6 via logic input/keys
7 via logic input/keys; timer counts 1°C
from tolerance limit
8 via logic input/keys; timer counts 5°C
from tolerance limit
The start conditions with tolerance limit (C121=3, 4, 7, 8) are not valid for C120=3 or 4.
If C120 is altered, the validity of C121 must be checked.
q
Action on power failure
Condition as before the
power failure
Cancellation of
timer function
( StOP appears in the
display)
X
X
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