Specifications

MODEL 503
DC BRUSHLESS SERVO AMPLIFIER
FUNCTIONAL DIAGRAM
-
+
REF AMP
REF(+)
REF(-)
PEAK
CONT
RH5
RH3
CURRENT LIMIT
SECTION
Gv = +HV
10
Gv = 1
PWM
MOSFET
"H"
BRIDGE
STAGE
GND
V
W
+HV
-
+
CH2
RH1
100K
50K
PEAK
RH4
TIME
1K
33NF
CURRENT
MONITOR
OUTPUT
CURRENT
SENSE
+HV
DC / DC
CONVERTER
+15
+5
GND
3
RESET
8
+NORMAL
4
NEG ENABLE
5
POS ENABLE
6
ENABLE
+5V
CONTROL
LOGIC
STATUS
&
MOTOR
+/-5V AT
+/-10A
HALLS
CURRENT
ERROR
AMP
LED'S
NORMAL
POWER FAULT
SHORT/O.T.
G
R
R
CASE GROUND
NOT CONNECTED
TO CIRCUIT GROUND
GROUND CASE FOR SHIELDING
MOMENTARY SWITCH RESETS FAULT
WIRE RESET TO GROUND FOR SELF-RESET
+5
+15
-15
POWER GROUND AND SIGNAL GROUNDS ARE COMMON
J1 MOTOR & POWER CONNECTOR
J2 SIGNAL CONNECTOR
10K
10K
RH7
RH6
10K
10K
470 PF
2.2 MEG
1.5 NF
499K
100 PF
U
HALL
LOGIC
U
V
W
J2 SIGNAL CONNECTOR
GND
OPEN = 120 DEG.
GND = 60 DEG.
HALL
SELECT
1nF
1nF
1
7
ENABLE POL
10
11
9
2
17
16
15
14
13
18
5
4
3
2
1
TYPICAL CONNECTIONS
MOTOR
HALL
SENSORS
J2
J1
17
16
15
14
13
1
2
3
11
10
12
REF(+)
REF(-)
SIG GND
CONTROLLER
J2
DC POWER SUPPLY
4
5
+
-
J2
J1
/NEG ENAB
/POS ENAB
/ENABLE
SIG GND
U
V
W
+5 V
+15 V
U
V
W
6
5
4
1
+HV
GND
AC
AC
18
GND
Vcc
Copley Controls, 20 Dan Road, Canton, MA 02021, USA Tel: [phone] Fax: [phone]
Tech Support: E-mail: [e-mail], Web: http://www.copleycontrols.com
Phone: [phone]
Phone: 877-IP-Tech1
Fax: 877-IP-Tech2
www.iptech1.com
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