3 Installation
3.6 Electrical Installation
DC1…20… and DC1…OE1 Variable Frequency Drives
02/20 MN040059EN
www.eaton.com
95
3.6.2.3 Connection example
Figure 53:
Simple connection example
•
Two operating directions:
•
FWD = clockwise rotating field
•
REV = anticlockwise rotating field
•
R1: External reference value potentiometer, frequency reference value
0 - f
max
(P-01)
The control cables should be screened and twisted for the external
connection. The screening is applied on one side in the proximity of the
variable frequency drive (PES).
Figure 54:
Screen termination at one end (PES) close to the variable frequency drive
→
The control terminals’ functions and electrical parameters can
be changed with
•
Parameter,
•
Expansion modules DXC-EXT-… for devices in IP20
(
Section 7.1.2, “DXC-EXT-2RO output expansion“,
Section 7.1.3, “DXC-EXT-2RO1AO output
5
6
7
1
2
3
+10 V AI1
0 V
+24 V
DI1
DI2
PE
PES
PES
M
4K7
R1
M
FWD
REV
ZB4-102-KS1
15 mm
(0.59”)
M4
2
Cu 2.5 mm
1
2
3
≦ 20 m
(≦ 65.62 ft)
15 mm
(0.59’
’)
PES