Spirax Sarco LC2250 - Page 21

IM-P402-130 EMM Issue 9
21
5.5 Level input options
The level output from a PA20 preamplifier and LP20 capacitance level probe can be 'daisy
chained' to more than one instrument (See Figure 7).
50 51 52 53 54 55
51
53
54
18 19
11 12
+ve
-ve
1
2
Another
LC2250
LC2200
LT2010,
LC2300 or
LC2500
Building
Management
System
Back
Capacitance level probe PA20 + LP20
Fig. 7 Multiple controller connection to a PA20 (daisy chained)
+24 V Vin Iin
COM
SCN
Level input(s)
E