8 Limit configuration
Limit contacts
Each contact is either permanently closed or
permanently open.
The nature and scope of the possible settings
are determined by the equipment available in
your instrument as well as by the preliminary
settings you have made in the
System configuration / Output contacts menu.
(See Chapter 7.1.4, Output contacts menu,
relay allocation.)
Example of two
limit contacts
MIN function MAX- function
on
off
- X
W
+X
W
Limit 1 Limit 2
diagr_1.cdr
Fig. 8.1
Control characteristic of a
limit contactor
X
W
= control deviation
Yh = Variable output
Contact
lm152e08.chp
Mycom CLM 152 Limit configuration
Endress+Hauser 53