KROHNE IFC 020 K Installation And Operating Instructions Manual page 66

8.9 IFC 020 E: PCB illustrations
A) Amplifier PCB
IC 13 DATAPROM (Sensor)
See Section 8.4
S2, S3 For use of empty tube
cut-off
S4 See Section 6.3
S1 Not used
S6, S7 Used to blank off
electrical bus
of Krohne RS 485
Interface
See Section 6.2
B) Power supply PCB,
AC Versions
SW Voltage selector
For changing the
voltage see Section
8.3
Tr Transformer
8/9
X3
X4
Installation and operating instructions IFC 020
S6 S7
S3 S2
S4 S1
SW
Tr
IC 13