Setting the limit values (limit comparators), 4 functions and operation – JUMO 707020 dTRANS T02 LCD - Four-Wire Transmitter Operating Manual Benutzerhandbuch
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4 Functions and operation
Setting the limit values (limit comparators)
You can alter the two limit values AL1 and AL2 by using the d and i
buttons. The present value will be shown on the LC display; it is not
output via the analog output. The value is accepted by pressing the
q button.
The switching differential (hysteresis) can be set using the parame-
ters C223 and C224 or C233 and C234.
Several functions are available for limit monitoring. You can decide
which one to use by means of the parameter C221 or C231.
- 0 : no limit monitoring
- 1 : limit monitoring according to lk7.
- 2 : limit monitoring according to lk8.
- 3 : no limit monitoring, but
fault output (for open-collector output 1) or
frequency output (for open-collector output 2).
Function lk7: