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APEX615n Installation Guide
Control Signal Wiring
High-quality braided screen cable should be used for control connections. In cases where the signal
transmission is in differential mode, it is preferable to use cable with twisted pairs to minimize
magnetic coupling. No connection is made to the cable screen at the drive itself. Fit a ferrite
absorber close to the I/O connector and run the cable down to the mounting panel as shown in
Fig. 5. Expose a short length of the braided screen and anchor to the panel with a P-clip.
The level at which the I/O operates means that the signals are unlikely to meet EMC
immunity requirements if taken outside the enclosure without proper screening.
Communications ........
In applications that require serial communications with the
APEX615n, special care must be taken in assuring proper wiring
practices are utilized. Good quality braided screen cable should be used
for the communication cabling. No connection is made to the cable
screen at the drive itself. Fit a ferrite absorber close to the
communications connector and run the cable down to the mounting
panel as shown in Figure 5. Expose a short length of the braided
screen and anchor to the panel with a P-clip. Avoid routing
communication cables near high power lines, and sources of high
energy impulses.
A
P
E
X
6
1
5
2
Velocity Error
Torque Cmd
Collective Gain
Vel Integral Gain
Offset Balance
Tach Output Cal
Enable
Disable
Bridge Fault
Drive Fault
Motor Fault
Over Voltage
I
2
t Limit
Regen Fault
Regen Active
CHA+
CHA–
CHB+
CHB–
CHZ+
CHZ–
Gnd
Shield
Red
Black
Green
Blue
Brown
White
Yel
Org
Fault Relay+
Fault Relay–
F
Feedback–
Stator 1
Stator 2
Stator 3
Stator 4
Rotor 1
Rotor 2
Motor Temp+
Motor Temp-
Compumotor
Reset
Gnd
Vel Int Enable
Enable In
Fault Out
Gnd
Command-
Tach Output
Gnd
+15V
Gnd
-15V
Braided-screen
cables
I/O Cable
Ribbon
Cable
VM50
Limits Cable
Encoder
Comm-
Programmable
I/O Cable
Figure 5 - APEX 615n Controller Cables
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