Installation and operating instructions
IFC 020
B)
Power supply PCB,
AC versions
F1
Power fuse. Ratings
see Section 8.2 or
Chapter 9
SW
Voltage selector for
changing the voltage
see Section 8.3
Tr
Transformer
8/8
IFC 020 K and IFC 020 F: Illustrations of the PCBs 8.8
A) Amplifier PCB
IC 13
DATAPROM (sensor),
see Sect. 8.4.
S1, S3
for “empty tube”
cut-out, see Sect. 6.3.
S2, S4
not used
S6, S7
for blanking off the bus
lead, KROHNE RS
485 interface,
Sect.6.2.
X3
2-pin plug connector,
pin 7 and 8,
field power supply,
see Sect. 7.5.
X5
5-pin plug connector,
pin 1-5, signal cable,
see Sect. 7.5.
Tr
F1
SW
IC 13
X5
X3
7
8
1
2
3
S2 S1
S4 S3
4
5
S6
S7