Specifications
MODELS 7225AC, 7425AC
LINE-POWERED AC BRUSHLESS SERVO AMPLIFIERS
WITH +/-10V ANALOG U-V INPUTS
FUNCTIONAL DIAGRAM
GND
CONTROL
LOGIC
STATUS
&
/NORMAL
RESET
NORMAL
LED
G
MOMENTARY SWITCH RESETS FAULT
WIRE RESET TO GROUND FOR SELF-RESE
T
GND
11
SW1
OFF = ENABLE
ON = ENABLE
J3
SIGNAL
12
SHIELD
14
15
1
9
GND
GND
HOT-MOT
+5V @ 200mA
PWM
MOSFET
"H"
BRIDGE
STAGE
Gv = +HV
10
DC / DC
CONVERTER
+5
+15
-15
Inrush
Current
Limiting
L1
L2
BUSS (+)
N.C.
BUSS (-)
N.C.
CHASSIS
(CASE)
GROUND
NOTE: CIRCUITS WITHIN DASHED LINE
ARE AT LINE POTENTIAL
J1 MOTOR &
POWER
J2
MOTOR
MOTOR OVER-TEMP
SWITCH
EARTH OR
SAFETY GROUND
-
+
DIFF AMP
47k
47k
47k
47k
-
+
47k
47k
47k
U_REF(+)
U_REF(-)
CONTROL
SYSTEM
V_REF(+)
V_REF(-)
-
+
CH10
19.2k
20.2k
CH12
CURRENT
ERROR
AMP
RH11
2k
+2.5
R7 100k
-2.5
RH17
-
+
CH13
19.2k
20.2k
CH15
CURRENT
ERROR
AMP
RH14
2k
+2.5
R6 100k
-2.5
RH16
+5V
132
ISOLATED CURRENT SENSE U
ISOLATED CURRENT SENSE V
JP1B
CW
CW
47k
+/-10V @ +/-20A
2.2nF
CURRENT
10k
MONITOR
U
10k
2.2nF
CURRENT
+/-10V @ +/-20A
MONITOR
V
-10V @ 5mA
+10V @ 5mA
+5V @ 200mA
@ +/-5 mA max
HDR19
+15 -15
19
22
47k
RH18
GND
10k
+5V
CURRENT
LIMIT
SECTION
ISOLATED CURRENT SENSE U
ISOLATED CURRENT SENSE V
ISOLATED CURRENT SENSE V
ISOLATED CURRENT SENSE U
/CLIMIT
PROGRAMMABLE CURRENT
LIMITING 0 - 5V
PHASE
W
GENERATOR
V
U
DIFF AMP
1
3
2
JP1A
120 / 90
UV
PHASE
SELECT
+15V
RH2
RH3
RH7
RH8
ENABLE
J3
SIGNAL
AMP OK (+)
AMP OK (-)
10k
+5V
94k
10k
1
GND
W
2
14
3
15
16
23
24
25
10
11
9
20
5
4
3
2
1
6
7
19
12
5
22
V
W
U
MOTOR
9
8
7
6
SHIELD
AC HOT
AC NEUT
LINE
FILTER
FUSE
LM 339
CASE GND
13
SIGNAL BOARD AND HEADER SOCKET LAYOUT
RH1~20
DI
P
SW
J3 SIGNAL
J2 HALLS
L
E
D
1 20
HEADER
R6 R7
JP1
A B
1
2
3
R
H
1
1
C
H
1
3
R
H
1
4
R
H
1
7
C
H
1
0
C
H
1
5
C
H
1
2
R
H
1
6
R
H
1
8
R
H
2
R
H
3
R
H
7
R
H
8
The header socket holds components that determine the amplifier performance such as inductance compensation, offset scaling, and
peak current limit. Components are named RHn, CHn as Resistor Header n, Capacitor Header n, etc. See applications section for
details.
Copley Controls Corp, 20 Dan Road, Canton, MA 02021, USA Tel: 781-828-8090 Fax: 781-828-6547
E-mail: sales@copleycontrols.com, on the Internet at http://www.copleycontrols.com Page 6 of 12
Phone: 877-478-3241
Phone: 877-IP-Tech1
Fax: 877-IP-Tech2
www.iptech1.com
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