Parker ac890 Reference Manual

890CS & 890CD Common Bus Units
Page 4-24 890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
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9
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A
B
C
D
1
2
3
4
5
6
7
E
890CD Minimum Control Connections
Minimum Connections
♦ Connect X14/04 to a clean,
external earth
Speed Reference
♦ Connect a 10kΩ
potentiometer at terminal
X12:
X12/01 : Low (CCW)
X12/04 : Wiper
X12/08 : High (CW)
♦ Connect the shield to
earth/ground at the control
bracket.
OR
♦ External 2-wire speed
reference between:
X12/01 : negative
X12/04 : positive
♦ Connect the shield to
earth/ground at the control
bracket.
Sequencing
♦ RUN (maintained contact)
X14/03 : 24V
X15/02 : RUN
890CD COMMON BUS DRIVES
24V DC
Speed
Potentiometer
Start
External
Reference
Start
Control bracket
for terminating all
control wiring shields
24V DC24V DC

Parker ac890 Specifications

General

Brand	Parker
Model	ac890
Category	DC Drives
Language	English