12
13
18
19
27
29
32
33
20
37
+24
V DC
0
VDC
130
BT106.10
PNP (Source)
Digital input wiring
Figure 4.13 Input Polarity of Control Terminals, PNP
NPN (Sink)
Digital input wiring
12
13
18
19
27
29
32
33
20
37
+24
V DC
0
VDC
130
BT107.11
Figure 4.14 Input Polarity of Control Terminals, NPN
NOTICE!
To comply with EMC emission specifications, shielded/
armored cables are recommended. If using non-shielded/
armored cable, see
chapter 4.7.3 Power and Control Wiring
. If using non-shielded control
cables, use ferrite cores to improve EMC performance.
130B
T340.11
1
2
Figure 4.15 Connecting Shielded Cables
Connect the shields in a proper way to ensure optimum
electrical immunity.
4.8.5 Safe Torque Off (STO)
To run STO, additional wiring for the frequency converter is
required. Refer to
VLT
®
Frequency Converters Safe Torque Off
Operating Instructions
for further information.
Electrical Installation
Installation Manual
MG21B322
Danfoss A/S © 10/2015 All rights reserved.
45
4
4
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