Electrical installation - control cables
All terminals for the control cables are located under
the protective cover of the frequency converter. The
protective cover (see drawing) can be removed by
means of a pointed object - a screwdriver or similar.
Once the protective cover has been removed, the ac-
tual EMC-correct installation can start. See drawings
in the section,
EMC correct installation
.
Tightening-up torque: 0.5-0.6 Nm
Screw size: M3
See section
earthing of braided screened/armoured
control cables.
No.
Function
12, 13
Voltage supply to digital inputs For
the 24 V DC to be usable for the
digital inputs, switch 4 on the con-
trol card must be closed. position
"ON".
16-33
Digital inputs/encoder inputs
20
Ground for digital inputs
39
Ground for analogue/digital outputs
42, 45
Analogue/digital outputs for indicat-
ing frequency, reference, current
and torque
50
Supply voltage to potentiometer
and thermistor 10 V DC
53, 54
Analogue reference input, voltage
0 - ±10 V
55
Ground for analogue reference in-
puts
60
Analogue reference input, current
0/4-20 mA
61
Termination for serial communica-
tion. See section
Bus connection.
This terminal is normally not to be
used.
68, 69
RS 485 interface, serial communi-
cation. Where the frequency con-
verter is connected to a bus,
switches 2 and 3 (switches 1- 4)
must be closed on the first and the
last frequency converter. On the re-
maining frequency converters,
switches 2 and 3 must be open.
The factory setting is closed (posi-
tion “ON”).
VLT
®
5000 Design Guide
74
MG.52.B2.02 - VLT
®
is a registered Danfoss trademark
