Setting the limit values (limit comparators), 4 functions and operation – JUMO 707020 dTRANS T02 LCD - Four-Wire Transmitter Operating Manual Benutzerhandbuch

Seite 54

Advertising
background image

16

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:

Advertising