Rockwell Automation Publication 520-QS001A-EN-E - March 2014 11
PowerFlex 520-Series Adjustable Frequency AC Drive
Control Terminal Block
PowerFlex 523 Control I/O Wiring Block Diagram
04
05
06
01
02
03
11
12
13
14
15
C1
C2
Digital Common
DigIn TermBlk 05/Pulse
DigIn TermBlk 06
Stop
(1)
DigIn TermBlk 02/
Start/Run FWD
(2)
DigIn TermBlk 03/
Direction/Run REV
R1
R2
Relay N.O.
Relay Common
+24V DC
+10V DC
0-10V Input
Analog Common
4-20mA Input
RJ45 Shield
Comm Common
+24V
+10V
Typical
SNK wiring
Typical
SRC wiring
R1
11
12 13 14 15 C1 C2
R2
R3
01 02 03 04 05 06
Pot must be
1...10 k ohm
2 W min.
SNK
Digital In
DigIn TermBlk 05 Sel
J7J8
Pulse In
SRC Digital
Input
SRCSNK
R3
Relay N.C.
81
RS485
(DSI)
(1)
(2) Two wire control shown. For three wire control use a momentary input on I/O Terminal 02 to command a start. Use a maintained input for I/O Terminal 03 to change direction.
(3) Only one analog frequency source may be connected at a time. If more than one reference is connected at the same time, an undetermined frequency reference will result.
I/O Terminal 01 is always a stop input. The stopping mode is determined by the drive setting.
The drive is shipped with a jumper installed between I/O Terminals 01 and 11. Remove this jumper when using I/O
Terminal 01 as a stop or enable input.
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