88
13.3 Connection Examples (Toroidal)
13.3.1 Lye-Acid Recycling with Concentration Measurement
Binar y inputs Analog input
FCXI
mA
Cd
Temp.
Power supply
Conductivity
measuring cell with
Pt 100
Supply
Failure
Maint. requirement
Function check
Limit 1
or differential measurement
Contact 4
Contact 3
Contact 2
FCYK
+
-
+
-
Cd
mA
mA
Failure
Conductivity Temperature
Temperature Conductivity
Temperature Conductivity
Contact 1
Mains
FCGA
FCL1 (1)
FCL1 (2)
81 82 83 84 21 22
87 88 85 86 31 32 33 34 L N PE
11 12 13 14 15 16 17
11 12 13 14 15 16 17
94 93 92 91 90 89
Lf
Lf
NaOH
batch tank
CLS 52
CIP plant
CIP plant
NaOH concentrate
A maximum of four (4) boards can be selected.