Specifications

MODELS 7225AC, 7425AC
LINE-POWERED AC BRUSHLESS SERVO AMPLIFIERS
WITH +/-10V ANALOG U-V INPUTS
Copley Controls Corp, 20 Dan Road, Canton, MA 02021, USA Tel: [phone] Fax: [phone]
E-mail: [e-mail], on the Internet at http://www.copleycontrols.com Page 5 of 12
CONNECTORS
J1 POWER AND MOTOR WINDING CONNECTIONS
Connector type: Barrier-block. Screw-terminal connections. #6-32 locking screws with cable clamps.
PIN SIGNAL FUNCTION
1 L1 AC Power Input Hot (black or brown wire from AC mains)
2 L2 AC Power Input Neutral (white or blue wire from AC mains)
3 GND Chassis safety ground (green or green/yel wire from AC mains)
4 Buss (+) Positive terminal of internal DC power supply
5 Buss (-) Negative terminal of internal DC power supply
6 Motor U Amplifier output to  winding of motor
7 Motor V Amplifier output to  winding of motor
8 Motor W Amplifier output to  winding of motor
9 GND Chassis safety ground. Also for cable shield of motor cable.
J2 MOTOR TEMPERATURE CONNECTIONS
Connector type: Female Sub-D, 15 position, #4-40 locking standoffs
PIN SIGNAL FUNCTION
1 Safety GND Chassis ground. Use to ground cable shield. Not connected to internal signal ground.
2 N.C.
3 N.C.
4 N.C.
5 N.C.
6 N.C.
7 N.C.
8 N.C.
9 Motemp Note: Must be grounded for amplifier to operate (Connect to J2-10,12,14, or 15)
10 0V Signal ground
11 N.C.
12 0V. Signal ground.
13 N.C.
14 0V. Signal ground.
15 0V. Signal ground.
J3 SIGNAL CONNECTIONS
Connector type: Female Sub-D, 25-position, #4-40 locking standoffs
PIN SIGNAL FUNCTION PIN SIGNAL FUNCTION
1 Safety GND
(Case)
Chassis ground. Use to ground cable shield.
Not connected to internal signal ground (J3-12, 13,16).
2
U Ref (+)
Positive terminal of
differential +/-10V analog
command input
14
U Ref (-)
Negative terminal of
differential +/-10V analog
command input
3
V Ref (+)
Positive terminal of
differential +/-10V analog
command input
15
V Ref (-)
Negative terminal of
differential +/-10V analog
command input
4 N.C. 16 0V. Signal ground.
5 /Enable input Amplifier enable 17 N.C.
6 /Normal output Mosfet output amp status 18 N.C.
7 Amp OK (-) output Opto-isolator emitter (NPN) 19 Amp OK (+) output Opto-isolator collector (NPN)
8 N.C. 20 Ext. I-limit External setting of curr. limit
9 /CLIMIT Current limit status 21 N.C.
10 Current Monitor U +/-10V @ +/-20 A 22 /Reset input
11 Current Monitor V +/-10V @ +/-20 A 23 +5V @ 200 mA. Auxiliary DC power for user
devices
12 0V. Signal ground. 24 +10V @ 5 mA Auxiliary DC power
13 0V. Signal ground must be
connected to
the controller ground
25 -10V @ 5 mA Auxiliary DC power
Phone: [phone]
Phone: 877-IP-Tech1
Fax: 877-IP-Tech2
www.iptech1.com
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