405 Amplifier datasheet

405 Amplifier datasheet
MODEL 405
DC SERVO AMPLIFIER WITH ENCODER TACHOMETER
±50 Volts output at ±10A Peak, ±5A Continuous
FEATURES
Velocity mode operation
from quadrature encoder
or brush tachometer
+5V @ 200mA for encoders
Enable polarity selectable to
+5 or ground active
Single supply voltage:
+18 to +55VDC
5A continuous, 10A peak
more than double the power
output of servo chip sets
Fault protections:
Short-circuits from output to
output, output to ground
Over/under voltage
Over temperature
Self-reset or latch-off
2.5kHz bandwidth
Wide load inductance range:
0.2-40 mH.
Separate continuous, peak,
and peak-time current limits
APPLICATIONS
Velocity loops for PLC’s or
for speed controls
Belt, fan, or spindle drives
THE OEM ADVANTAGE
Conservative design for high
MTBF
Low cost solution for small
motors to 1/3 HP
Small size from SMT design
4.75” x 3.27” x 1.28”
Solderless socket for
configuration components
PRODUCT DESCRIPTION
Model 405 operates DC brush motors
in tachless velocity loops using A&B
signals from incremental quadrature
encoders. It can also operate from dc
brush tachometers.
Frequency to voltage conversion of
encoder signals creates a digital
pulse-train that is low-pass filtered to
form the analog tachometer signal that
is proportional to motor speed and
direction. Spindle drives and other
speed controls benefit from this form
of velocity control.
Power delivery is four-quadrant for bidirectional acceleration and
deceleration of motors.
The Model 405 features 500W peak
power output in a compact package
using surface mount technology.
An internal header socket holds
components which configure the
various gain and current limit settings
to customize the 405 for different
loads and applications.
Separate peak and continuous current
limits allow high acceleration without
sacrificing protection against
continuous overloads. Peak current
time limit is settable to match amplifier
to motor thermal limits.
www.copleycontrols.com Copley Controls Corp., 20 Dan Road, Canton, MA 02021
Header components permit
compensation over a wide range of
load inductances to maximize
bandwidth with different motors.
Logic inputs include remote
inhibit/enable, and Pos/Neg enable
inputs for connection to limit switches.
Amplifier Enable input has selectable
polarity for easy interface to all types
of motion-control cards. Directional
( Pos & Neg ) enables always use failsafe (ground to enable) logic.
Package design places all connectors
along one edge for easy connection
and adjustment while minimizing
footprint inside enclosures.
High quality components and
conservative ratings insure long
service life and high reliability in
industrial installations.
A differential amplifier buffers the
reference voltage input to reject
common-mode noise resulting from
potential differences between
controller and amplifier grounds.
Output short circuits and heatplate
overtemperature cause the amplifier to
latch into shutdown. Grounding the
/Reset input will enable an auto-reset
from such conditions when this feature
is desired.
Tel: 781-828-8090
Fax: 781-828-8090
MODEL 405
DC SERVO AMPLIFIER WITH ENCODER TACHOMETER
FUNCTIONAL DIAGRAM
GND
ENCODER
+5V @ 200mA
10
9
CHAN-B
8
CHAN-A
7
6
ENCODER
TACH OUTPUT
TACH SOURCE SELECT
2-3 = ENCODER TACH
1-2 = ANALOG TACH
J7
CH14
100PF
CH16
15NF
CH15
100PF
CH17
10NF
TEST POINTS
23
OVERSPEED
31
MAX PULSE RATE
GROUND TO REVERSE LOGIC
OF /ENABLE INPUT ONLY
(+5V ENABLES, GND INHIBITS)
LO-PASS FILTER
1K
S1:
INTEGRATOR RESET SWITCHES
TURN ON WHEN AMP IS DISABLED
0.1UF TACH LEAD
LED'S
OFF = VELOCITY MODE
ON = CURRENT MODE
CH8
TACH
GND
+
3
ANALOG BRUSH
TACHOMETER
+/- 10V REF(+)
GND
REF(-)
INTEGRATOR
S1
SEL
5
TACH
GAIN
50K
SEL
RH6
CW
1
2
RH4 SEL
STATUS
&
CONTROL
LOGIC
RH1 499K
1K
CW
60.4 K
LOOP
GAIN
50K
CH5 SEL
0.22 UF
CH2
RH12
33NF
CURRENT LIMIT
SECTION
100PF
-
-
-
+ CW
R
R
G
+5V
CH2 1.5 NF
CH13 220 PF
49.9 K
REF LEAD
REF AMP
Gv = 1
SHORT/O.T.
POWER OK
NORMAL
INTEGRATOR RESET SWITCHES
TURN ON WHEN AMP IS DISABLED
RH7
-
RH3 100 K
ENABLE POL
7
+HV
ENCODER TACH
AND HIGH-POWER DC/DC CONVERTER
3
2
1
MODEL 405
4XPLS
100K
+
+
RESET
4
5
NEG ENABLE
+NORMAL
POS ENABLE
6
ENABLE
1
GND
2.2 MEG
470 PF
J2
100 PF
-
PEAK
RH5
3
8
+
50K
REF GAIN
CONTROL
SYSTEM
J3
1K
INTEG
FREQ
500K
SERVO
PREAMP
TEST / BALANCE
S2
RH1
SEL
Voltage gain = 1
DO NOT CONNECT
CURRENT
MONITOR +/-5V @ +/-10A
9
1K
OUTPUT CURRENT SENSE
33NF
GND
J2
+5V @ 30mA
Gv = +HV
10
ARE ON TACH BOARD
GND
12
5
N.C.
+HV
GND
+/-5V @ +/-10A
ARE ON AMPLIFIER BOARD
+HV
+5
14
13
3
CIRCUITS IN THIS AREA
2
+15 @ 10mA
MOT -
2
4
CIRCUITS IN THIS AREA
33NF
10
11
PWM
STAGE
MOSFET
"H"
BRIDGE
RH11 100 K
1K
MOT + MOTOR
1
RH9 10 MEG
-15V
4
AUX
50K
PEAK
TIME
RH4
1K
150 K
CW
J1
CURRENT
ERROR
AMP
CW
+15V
BALANCE
50K
CONT
RH3
DC / DC
CONVERTER
+15
-15
GROUND CASE FOR SHIELDING
CASE GROUND
NOT CONNECTED
TO CIRCUIT GROUND
POWER GROUND AND SIGNAL GROUNDS ARE COMMON
TYPICAL CONNECTIONS
CONTROLLER
+/-10V
REF(+)
GND
REF(-)
SIG GND
+
*
BRUSH TACH
-
AUX
EXT TACH
INT TACH
ENC CHAN-A
*
ENCODER
ENC CHAN-B
+5V @ 200 mA
GND
1
1
2
2
3
3
4
4
5
5
J3
6
J2
7
6
7
8
9
10
8
11
GND
GND
/RESET
/NEG ENABLE
/POS ENABLE
/ENABLE
/ENABLE POL
+NORMAL
CURR MON
+/-5V @ +/-10A
N.C.
N.C.
GND
9
12
10
13 +15V @ 10mA max
14 +5V @ 30mA max
TRANSFORMER-ISOLATED
DC POWER SUPPLY
GND
18-55 VDC
+HV
5
4
3
MOT MOTOR
MOT +
J1
2
1
* Wiring shows wiring for both encoder tachometer, and analog brush tachometer. In practice, only one would be wired.
www.copleycontrols.com Copley Controls Corp., 20 Dan Road, Canton, MA 02021
Tel: 781-828-8090
Fax: 781-828-8090
MODEL 405
DC SERVO AMPLIFIER WITH ENCODER TACHOMETER
INTERNAL SOCKETS & JUMPERS
AMPLIFIER PC BOARD
CH17
CH16
CH15
CH14
CH13
RH12
RH11
ENCODER TACH
PC BOARD
FILTER
TACH CIRCUIT
PULSE RATE
LOOP GAIN R-C
AUX GAIN
F-V TEST POINT
RH9
CH8
RH7
RH6
CH5
RH4
RH3
CH2
RH1
J8
J9
A
B
C
D
TACH
HEADER
BALANCE RANGE
TACH GAIN & LEAD R-C
REF GAIN & LEAD R-C
INTEGRATOR
A BCD E F
J7
AMPLIFIER
HEADER
3
2
1
LOAD
INDUCTANCE
J1
J3
RH1
CH2
CURRENT
LIMITS
RH3
RH4
RH5
FIXED 10K
NEG
JUMPER 2-3
JUMPER 1-2
POS
RH6
RH7
ENCODER
TACH
3
2
1
ANALOG
BRUSH
3
2
1
"A" JUMPER POSITIONS
A BCD E F
ENCODER TACH
POLARITY
DEFAULT
A
C
J9
J8
1
2
3
1
2
3
1
2
3
1
2
3
B
J7
D
B,C,D = DEFAULT
DO NOT CHANGE SETTINGS
TACH
SOURCE
SELECT
AMPLIFIER LAYOUT
REF GAIN
TACH GAIN
LOOP GAIN
INTEG FREQ
BALANCE
DIP SWITCH
BALANCE/TEST
INTEGRATOR
ON
10
1
J1
OFF
J3
5
14
J1
J2
J3
Motor & Power Supply
Amplifier Signals
Tach Card Signals
1
J2
1
5 position Euro: Weidmuller BL-12594.6, Phoenix MSTB 2.5/5-ST-5.08
14 position 0.1” centers: Molex 22-01-3147 with 08-50-0114 terminals
10 position 0.1” centers: Molex 22-01-3107 with 08-50-0114 terminals
www.copleycontrols.com Copley Controls Corp., 20 Dan Road, Canton, MA 02021
Tel: 781-828-8090
Fax: 781-828-8090
MODEL 405
DC SERVO AMPLIFIER WITH ENCODER TACHOMETER
CONNECTORS AND PINOUTS
J1: MOTOR & POWER CONNECTIONS
Pin
1
2
3
4
5
Signal
Motor (+) Output
Motor (-) Output
N.C.
+HV
GND
Remarks
Amplifier output to motor
Amplifier output to motor
No Connection
18-55V DC power supply input
Power supply return. Connect to system ground at this pin *
* Amplifier case may be grounded for lower emitted noise.
Case and amplifier ground are not connected.
J2: AMPLIFIER BOARD CONNECTIONS
Pin
1
2
3
Signal
GND
GND
/RESET
4
5
6
/NEG ENAB
/POS ENAB
/ENABLE
7
/ENABLE POL
8
+ NORMAL
9
10
11
12
13
14
CURR MON
Do Not Use
Do Not Use
GND
+15 V
+5 V
Remarks
Signal ground ( Note 2 )
Signal ground ( Note 2 )
Normally open. Ground to clear overtemp or short circuit fault. Wire
to ground for self-reset from fault every 50 mS.
Negative rotation enable (ground to enable, open inhibits)
Positive rotation enable (ground to enable, open inhibits)
Amplifier enable. Ground to enable amp, open inhibits.
50 mS delay between Enable active and amp outputs ON
/Enable polarity With J2-7 open, ground @ J2-6 enables amp. With
J2-7 grounded: +5V or open enables amp, ground inhibits
HI (+5 V) if amplifier operating normally (No faults)
LO if amp disabled, +HV over or undervoltage, overtemp, or output
short circuit.
2A/Volt current monitor output (bipolar)
No connection. Pins used by tach card.( Note 1. )
No connection. Pins used by tach card. ( Note 1.)
Signal ground ( Note 2 )
+15 V at 10 mA ( total power from +5 and +15
+5 V at 30 mA
outputs not to exceed 200mW)
J3: TACH BOARD CONNECTIONS
Pin
1
2
3
4
5
6
7
8
9
10
Signal
Ref(+) Input
Ref(-) Input
Gnd
Aux Input
Ext. Tach Input
Int. Tach Output
Encoder A Chan
Encoder B Chan
Encoder +5V
Encoder Gnd
Remarks
±10V reference input.
Reference ground ( connect to gnd at reference voltage source )
Brush tachometer (+), or reference cable shield
Auxiliary input ( single-ended analog input )
External brush tachometer (-), or analog velocity feedback
Encoder tach output ( ±10V at max pulse-rate )
Quadrature encoder channel-A
Quadrature encoder channel B
+5V @ 200mA powers encoder
0V or ground for encoder ( also connect to encoder cable shield )
Notes
1. Pins J2-10,11 are Ref inputs on model 403. DO NOT USE on model 405, these connect to
tachometer board internally.
Reference inputs are on tach card, J3 pins 1 and 2.
2. All amplifier grounds are electrically common. J1-5, J2-1, J2-2, J2-12, J3-3, & J3-10 are all
connected inside the amplifier. The amplifier circuitry is isolated from the case.
DIP SWITCH FUNCTIONS
S1: Integrator
S2: Test / Balance
ON = flat gain ( integrator OFF )
OFF = tachometer mode ( integrator ON, Integ Freq pot adjusts stiffness )
ON = test mode ( Balance pot has ±10V range )
OFF = balance mode ( set output current to zero with zero input )
www.copleycontrols.com Copley Controls Corp., 20 Dan Road, Canton, MA 02021
Tel: 781-828-8090
Fax: 781-828-8090
MODEL 405
DC SERVO AMPLIFIER WITH ENCODER TACHOMETER
TECHNICAL SPECIFICATIONS
Typical specifications @ 25°C ambient, +HV = +55VDC. Load = 200µH. in series with 1 ohm unless otherwise specified.
AMPLIFIER SPECIFICATIONS
OUTPUT POWER
Peak power
Unidirectional
After direction change
Continuous power
±10A @ 50V for 0.5 second, 500W
±10A @ 50V for 1 second, 500W
±5A @ 50V, 250W
OUTPUT VOLTAGE
Vout = ( 0.97 )( HV ) - ( 0.4 )( Iout )
MAXIMUM CONTINUOUS OUTPUT CURRENT
Convection cooled, no conductive cooling
±2A @ 35°C ambient
Mounted on narrow edge, on steel plate, fan-cooled 400 ft/min
±5A @ 55°C
LOAD INDUCTANCE
Selectable with components on header socket
200 µH to 40mH (Nominal, for higher inductances consult factory)
BANDWIDTH
Small signal
-3dB @ 2.5kHz with 200µH load
Note: actual bandwidth will depend on supply voltage, load inductance, and header component selection
PWM SWITCHING FREQUENCY
ANALOG INPUTS
Reference ± Inputs
Auxiliary Input
Tachometer
LOGIC INPUTS
Logic threshold voltage
Input voltage range
/Enable
/POS enable, /NEG enable
/Reset
/Enable Pol (Enable Polarity)
LOGIC OUTPUTS
+Normal
Definitions:
25kHz
Differential, 94kΩ between inputs, ±10V typical, ±20V max
Single-ended, 1kΩ/33nF input filter to RH11 on header
Single-ended, 1kΩ/0.1µF input filter to 50kΩ pot with tap to RH6, RH7 on header
HI: ≥ 2.5V , LO: ≤1.0V
Gnd to +5V maximum
LO enables amplifier (/Enable Pol open) , HI inhibits; 50 ms turn-on delay
LO enables positive/negative output currents, HI inhibits
LO resets latching fault condition, ground for self-reset every 50 ms.
LO reverses logic of /Enable input (HI enables unit, LO inhibits)
/POS and /NEG enable inputs not affected by /Enable Pol selection
HI when unit operating normally, LO if overtemp, output short, disabled, or power supply (+HV) out of tolerance
HI output voltage = 2.4V min at -3.2 mA max., LO output voltage = 0.5V max at 24 mA max.
+5V maximum, do NOT connect to devices operating at greater than +5V
INDICATORS (LED's)
Normal (green)
Power fault (red)
Short/Overtemp (red)
MONITOR OUTPUT
Current monitor
DC POWER OUTPUTS
+5VDC ( J2-14 )
+15VDC ( J2-13 )
Encoder +5VDC ( J3-9 )
ON = Amplifier enabled, no shorts or overtemp, power within limits
ON = Power fault: +HV <18V OR +HV > 55V
ON = Output short-circuit or over-temperature condition
±5V @ ±10A (2A/volt), 10kΩ, 3.3nF R-C filter
30mA
±10mA max.
200mA max.
PROTECTION
Output short circuit (output to output, output to ground)
Latches unit OFF (self-reset if /RESET input grounded)
Overtemperature
Shutdown at >70°C on heatplate (Latches unit OFF)
Power supply voltage out of tolerance
Shutdown at +HV <18VDCor +HV >55VDC ( operation resumes when supply in tolerance )
POWER REQUIREMENTS
DC power (+HV)
Minimum power consumption
Power dissipation at 5A output, 55VDC supply
Power dissipation at 10A output, 55VDC supply
THERMAL REQUIREMENTS
Storage temperature range
Operating temperature range
MECHANICAL
Amplifier case size
Weight
CONNECTORS
Power & motor
Signal
Encoder Tach board`
18-55 VDC @ 10A peak.
2.5 W
10W
40W
-30 to +85°C
0 to 70°C baseplate temperature
4.75 x 3.27 x 1.28 in. ( 121 x 83 x 32.5 mm )
0.61 lb. ( 0.28 kg. )
Weidmuller: BL-125946; Phoenix: MSTB 2.5/5-ST-5.08
Molex 22-01-3147 housing with 08-50-0114 contacts ( 14 )
Molex 22-01-3107 housing with 08-50-0114 contacts ( 10 )
ENCODER TACHOMETER SPECIFICATIONS
MAXIMUM FREQUENCIES
Encoder
F/V clock internal pulse rate ( encoder frequency X 4 )
LINEARITY
< 0.1% of full scale over a 1000:1 rpm range
SPEED RANGE
150,000 lines / sec
600,000 pulse / sec
1000:1 typical, greater with customization of f-v pulse-rate and low-pass filter parts
www.copleycontrols.com Copley Controls Corp., 20 Dan Road, Canton, MA 02021
Tel: 781-828-8090
Fax: 781-828-8090
MODEL 405
DC SERVO AMPLIFIER WITH ENCODER TACHOMETER
APPLICATION INFORMATION
Follow these steps to place amplifier
into service in encoder tach mode:
1. Setup amplifier header for motor
inductance and current limits.
2. Select tachometer header
components for maximum motor
speed.
3. Select tach card header
components for low-pass filter.
4. Test & adjust potentiometers for
optimal velocity-loop operation.
1. MOTOR INDUCTANCE
Note: for this procedure , remove
jumper from J7 on tach card, set
switch S1 ON, and turn Loop Gain
pot fully CCW. Ground J2-4,5,6 to
J2-1 to enable amplifier.
RH1 & CH2 on amplifier header socket
match amplifier to motor inductance.
For easy setup, use chart to select
values closest to your motor
inductance. If this is done, then install
parts in header and proceed to next
step. Default components will work
with many motors.
To optimize compensation using
function generator and oscilloscope:
First replace CH2 with a jumper
(short). Use reference input of square
wave at ±1V, 10Hz. Select RH1 for the
best transient response ( lowest
risetime with minimal overshoot). Once
RH1 has been set. select the smallest
value of CH2 that does not cause
additional overshoot or degradation of
the step response.
Select values of RH3, RH4, and RH5 if
motor current limits are less than
amplifiers 5A continuous, 10A peak
rating. Pick starting values from
charts. Fine-tune limits by using
current monitor and adjusting values
for exact limit desired.
2. TOP SPEED SETUP
Note: for this procedure, install jumper
at J7 pins 2-3 on tach card, set
switch S1 OFF. Begin with Loop
Gain and Integ Freq pots fully CCW.
If motor runs away, reverse position
of jumper J8-A.
GENERAL CONSIDERATIONS
Encoder tachometer mode gives a
wide speed range combined with a
fast velocity-loop response. Useable
speed ranges of 1000:1 or greater are
possible with optimal settings of the
max pulse rate and low-pass filter
settings.
The top speed setting controls the
frequency to voltage conversion scale
factor so that the tach voltage will be
about ±5V at top speed. The low pass
filter controls the time constant of the
velocity loop, and has a large effect on
the ripple at low speeds. As speed
drops, ripple will increase. At a
standstill, there will be no feedback
between encoder transitions, resulting
in jitter. This may be acceptably small
for an encoder application with higher
( 500 lines or greater ) line counts, or
unacceptably rough for low line-count
encoders. Use the Enable input to
disable the amplifier if zero-output is
required.
F-V SETUP
An f-v pulse train is generated that is
4X the encoder line frequency. The
maximum f-v clock rate is 600kHz.
Before proceeding, check to make
sure that your f/v clock will be in limits.
f - v Encoder =
Lines × rpm
15
If the rate is greater than 600kHz, then
maximum rpm must be reduced.
If the rate is acceptable, select the f-v
capacitors CH14 & CH15 as follows:
Select CH14 & CH15 based on this
equation:
C=
1 × 10 9 ( C = pF )
Lines × rpm
Select a capacitor with the closest
value. This should produce a tachvoltage of about ±5V at the rpm used
in the equations.
3. LOW-PASS FILTER
The choice of low-pass filter will
determine both the useable rpm range
of the f-v converter and the effective
response time of the velocity-loop ( or
effective bandwidth ). For widest
speed range, set the low-pass filter
frequency to a lower value. For faster
response times ( higher velocity loop
bandwidth ) set the frequency to a
higher value. Filter frequency is:
1590
(nF)
CH17
CH16 = 1. 5 × CH17
F=
As delivered, the 405 has a filter
frequency of 159Hz. This should work
well for encoder-tach modes with a
wide variety of motors in the size
range that the 405 can drive. This
frequency is high enough so that the
velocity loop response will be affected
mainly by the tach-rpm / volt gain, and
the tuning of the Loop Gain and Integ
Freq potentiometers. In general, use
www.copleycontrols.com Copley Controls Corp., 20 Dan Road, Canton, MA 02021
the lowest frequency possible that
does not begin to slow down the
response of the loop to a step input.
This will give the widest rpm range.
4. VELOCITY LOOP TUNING
Begin with S1 ON, Ref Gain pot fully
CW, Tach Gain pot fully CCW, Loop
Gain pot fully CCW. Motor should be
disconnected from load until initial
setup is complete. Enable amplifier
and rotate shaft slightly. If motor runs
away, reverse position of jumper J8A.
Tachometer polarity should now be
correct, and motor should remain at
rest with no reference inputs.
STATIC SETUP
Set switch S2 ON. Rotate Balance pot
fully CW. This will be equivalent to
applying +10V to Ref inputs. Measure
tach voltage at J3-6. This should be
about +5V if CH14 & 15 have been
chosen correctly. Motor rpm can be
measured by viewing any encoder
signal and calculating as follows:
RPM =
60
Tenc × Lines
Where Tenc is the period of one
encoder line ( channel A or B ).
DYNAMIC SETUP
Set switch S1 ON, and S2 OFF. Use a
function generator with a square wave
output. Connect to reference inputs
and adjust frequency so that motor
can change direction and settle to a
set speed. Connect oscilloscope to J36 to monitor tachometer voltage. If
possible, also connect to J2-9, current
monitor. Adjust Loop Gain pot for
fastest response that does not
produce oscillation or excessive
ringing of either tach signal, or current
monitor. When Loop Gain is adjusted,
set S1 OFF. Adjust Integ Freq CW
until overshoot on tach signal rings
and back off for stable response. CW
adjustment increases stiffness ( speed
stability ), but too much will produce
oscillation. With Loop Gain and Integ
Freq adjusted properly, response to
step inputs will be smooth, and free
from oscillation.
GROUNDING & POWER
SUPPLIES
Power ground and signal ground are
connected internally in the Model 405.
These grounds are isolated from the
amplifier case which can then be
grounded for best shielding while not
affecting the power circuits.
Tel: 781-828-8090
Fax: 781-828-8090
MODEL 405
DC SERVO AMPLIFIER WITH ENCODER TACHOMETER
Currents flowing in the power supply
connections will create noise that can
appear on the amplifier grounds.
This noise will be rejected by the
differential amplifier at the reference
input, but will appear at the digital
inputs. These are filtered, but for
lowest noise, leave the power-supply
capacitor floating, and ground each
amplifier at its power ground
terminal (J1-5). In multiple amplifier
configurations, always use separate
cables to each amplifier, twisting these
together for lowest noise emission.
Twisting motor leads will also reduce
radiated noise from pwm outputs. If
amplifiers are more than 1m. from
power supply capacitor, use a small
(200-500µF.) capacitor across power
inputs for local bypassing.
NORMAL OUTPUT
This is a +5V logic level signal that will
be HI ( +5V ) when the amplifier is
operating normally, and will go LO
( ground ) if there is a fault condition,
or if the amplifier is disabled
(inhibited).
If a FAULT signal is required, then
reversing the connections to the input
led of the optocoupler will provide it,
as shown below.
+5V
LO WHEN FAULT
It can source or sink 2mA, which can
then be used to drive an optocoupler,
if isolation for the signal is desired.
The illustrations below show an
optocoupler used to make either a LO
or HI active Normal signal.
4990
FAULT
+5V
1.8k
+NORMAL
4N35
HI WHEN FAULT
+5V
+5V
+5V
LO WHEN NORMAL
1.8k
4990
+NORMAL
+NORMAL
NORMAL
FAULT
1.8k
4N35
4990
GND
4N35
HI WHEN NORMAL
+5V
+NORMAL
1.8k
GND
NORMAL
4N35
4990
AMPLIFIER COMPONENT HEADER
CURRENT-LIMITS
I-Peak
10A
8A
6A
4A
2A
RH5
Open*
12k
4.7k
2k
750
I-Cont
5A
4A
3A
2A
1A
LOAD INDUCTANCE
Load (mH)
0.2
1
3
10
33
40
RH1
49.9 k
150 k
499 k*
499 k
499 k
499 k
CH2
1.5 nF
1.5 nF
1.5 nF
3.3 nF
6.8 nF
10 nF
RH3
Open*
20k
8.2k
3.9k
1.5k
T-Peak
0.5s
0.4s
0.2s
0.1s
RH4
Open*
10 Meg
3.3 Meg
1 Meg
Notes:
* Standard values installed at factory are shown in
italics.
1. Bandwidth and values of RH1, CH2 are affected by
supply voltage and load inductance. Final selection
should be based on customer tests using actual
motor at nominal supply voltage.
2. Peak current setting should always be greater than
continuous current setting.
3. Peak times will double when current changes
polarity.
Peak times decrease as continuous current
increases.
www.copleycontrols.com Copley Controls Corp., 20 Dan Road, Canton, MA 02021
Tel: 781-828-8090
Fax: 781-828-8090
MODEL 405
DC SERVO AMPLIFIER WITH ENCODER TACHOMETER
OUTLINE DIMENSIONS
Dimensions in inches (mm.)
4.75
(120.7)
.75
(19.1)
.17
(3.0) 3.27
(83.1)
2.00
(50.8)
4.50
(114.3)
10
.55
(14)
J3
1
1.28
(32.5)
1
J1
WEIGHT:
CONNECTORS
5
14
J2
0.61 lb ( 0.28 kg )
Power & motor
Signal
Encoder Tach board`
1
Weidmuller: BL-125946; Phoenix: MSTB 2.5/5-ST-5.08
Molex 22-01-3147 housing with 08-50-0114 contacts ( 14 )
Molex 22-01-3107 housing with 08-50-0114 contacts ( 10 )
ORDERING GUIDE
Model 405
5A Continuous, 10A Peak, +18 to +55V DC Brushless Servoamplifier with Encoder Tach
OTHER DC SERVO AMPLIFIERS
Model 403
Same power specifications as 405. Torque mode only, no encoder tach.
400 Series
Six models: +24 to +225V operation, 5-15A continuous, 10-30A peak.
Corporate Office, USA
20 Dan Road
Canton, MA 02021
Tel: 781-828-8090
Fax: 781-828-6547
Rev 02, 4/2001
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