Copley Controls 7228AC, User Manual, Page: 16 / 171

2-2 Amplifier Connections
Figure 2-1 Functional Diagram Amplifier Connectors
1
2
3
J1
Ref(+)
Ref(-)
Shld
Hall V
Hall U
2
3
1
Shld
J2
V
U
W
Motor
6
7
8
9
Shld
+5V
11
0V
12
Halls
9
12
/Motemp
Gnd
34
Signal Gnd
Signal ground
Note:
Amplifier signal ground must be
connected to controller ground.
Motor Overtemp
Switch
Hall W
4
Encoder
J4
Tx
Rx
Gnd
RS-232
Data Port
Ch. X
Ch. /X
Ch. B
Ch. /B
Ch. A
Ch. /A
Note: Circuits within dashed line are
HOT! (At mains potential)
RS-232
OR
RS-485
Driver/
Receiver
Hall
Receiver
Encoder
Receiver
&
Home
pulse
logic
+5V
Power
Sensor
ADC
Dif Amp
&
ADC
Pulse and
Direction
Format
Logic
PWM
Stage
"H"
Bridge
&
Current
Sense
Internal
DC
supply
&
Inrush
limiter
DSP
&
FLASH RAM
2
20
1
J3
11
19
37
18
36
17
35
2
3
5
Jumper Selects
Mode Selects
Mode Selects
9
7
8
Analog monitor
Status-0
Status-1
Outputs
Monitor
DAC
Status
FETS
J3
/Enable
/Pos enable
/Neg enable
J3
Signal Gnd
Inputs
/Preset-2
/Preset-1
/Preset-0
/Preset-3
/Reset
/Home
Preset
input
logic
Enable
input
logic
3
21
22
26
5
24
6
25
23
4
Active
state Prog.
Active state
Prog.
Group Prog.
Pull-up/down
Group Prog.
Pull-up/down
12
Buffered Enc A out
30
Buffered Enc /A out
13
Buffered Enc B out
31
Buffered Enc /B out
14
Buffered Enc X out
32
Buffered Enc /X out
Encoder
buffer
Shld
1
Enc X
6
13
Enc /X
15
7
14
8
Enc A
Enc /A
Enc B
Enc /B
See Figure 2-4 for
information regarding
shielding