d for Hall sensors
6
Phase A driver (BLDC)
Motor+ (brush DC)
2A peak PWM
7
Phase B driver (BLDC)
Not used (brush DC)
2A peak PWM
8
Phase C driver (BLDC)
Motor (brush DC)
2A peak PWM
HALL SENSOR & MOTOR CONNECTOR
Mating Connector: AMP MTA 100 series 8 pin, 22 GA, part 3-643813-8
Digikey part A31111
Key Features

Single 4-wire bus linking up to 16 drives

2A BLDC or DC brush motor drivers, short protected

Operates from 20V to 40V.
RS232, RS485, or USB-based control communications
Optional standalone operation with no connection to PC
O n - b o a r d E E P R O M f o r u s e r p r o g r a m s t o r a g e
Homes to opto or encoder index with single command.
E x e c u t i o n h a l t / b r a n c h p e n d i n g s w i t c h c l o s u r e
ADC inputs, halt/branch to ADC value
Position, velocity, and torque modes. Velocity mode
possible with only Hall sensor feedback.
Quadrature encoder-based feedback for position mode
Step & Direction mode, 4MHz step frequency
Secondary encoder mode
4MHz max encoder frequency
Prewired for optoswitch inputs
Cavro DT or OEM protocol compatible
Fully programmable ramps and speeds

Switch-selectable device address
Software-settable maximum currents
Ordering Information
Name
Order Number
EZSV17 Servo Drive.............................................. EZSV17
RS232 to 485 Converter (option).............................. RS485
USB to 485 Converter (option)............................... USB485
Mechanical Specifications
REV 011906
All Motion
www.allmotion.com
5501 Del Oro Court, San Jose, CA 95124 Telephone 408.460.1345 Email
info@allmotion.com

Model EZSV17
Model EZSV17 actual size
Fully intelligent Servo Motor

Controller
+ Driver with Encoder Feedback
LIFE LED
STATUS LED
ADDRESS
SWITCH
POWER/COMMUNICATION
I/O CONN
MOTOR CONN
- 0.610"
+ 0.610"
- 0.610"
+ 0.610"
+ 0.813"
- 0.813"
+ 0.813"
- 0.813"
+ 0.638"
- 0.638"
+ 0.638"
-0.638""
0.125" DIAM HOLE,
0.250" DIAM PAD (2X)
0.000"
+20V TO +40V
GROUND
RS485 A
RS485 B
POWER INPUT AND
COMMUNICATION
HALL C
HALL SENSORS /MOTOR DRIVERS
+15V HALL SENSOR POWER
HALL SENSOR GROUND
PHASE A DRIVER
HALL A
HALL B
PHASE C DRIVER
PHASE B DRIVER
A/D IN #3 OR HOME/LOWER LIMIT INPUT
OPTO SENSOR #1 LED
OPTO SENSOR #2 LED
A/D INPUT #4, 2ND ENCODER INDEX, UPPER LIMIT INPUT
A/D INPUT #1, 2ND ENCODER CH A, STEP INPUT
DIGITAL I/O
GROUND
GROUND
A/D INPUT #2 ,2ND ENCODER CH B, DIR. INPUT
GROUND
CHAN B
+5V
CHAN A
INDEX
0.000"
ENCODER
DIMENSIONS
1.6" x 1.6" x 0.6" (40mm x 40mm x15.24mm)
POWER AND COMMUNICATION CONNECTOR
Mating connector: AMP MTA 100 series 4 pin, 22GA, part 3-643813-4
Digikey part A31108
Pin
Function
1
V+ (external supply) +20V to 40V
2
GROUND
3
RS485 B
4
RS485 A
Electrical Specifications
Supply Input .................................... 20V to 40V 2A
Examples: Digikey part 271-1112 or Digikey part Z1158
Dimensions ..................................... 1.6" x 1.6" (40mm x 40mm) square, 0.6" (15.24mm) thick
Operating Modes ............................ PC controlled or standalone. Position, velocity, and torque.
PC Control....................................... Can control up to 16 drives daisychained together.
Communications protocol................ RS485. Can convert to RS232/USB with appropriate converters.
Control protocol ............................... Compatible with devices that use the Cavro DT or OEM protocol.
Can use EZCommander Windows application or serial terminal
program such as HyperTerminal to issue commands.
Motor compatibility........................... Accommodates most 2" and smaller DC brush or brushless
servo motors without tuning. Best performance is with motor
rated at about 1/2 of supply voltage. Outputs short protected.
Mating Connectors........................... AMP MTA 100 series. Recommended tool: Digikey part A9982,
or better Digikey parts A2031 + A1998
I/O Interface.................................... Accepts 2 opto-electronic and two mechanical switch inputs,
or 4 mechanical switch inputs. Also ADC and encoder inputs.

Signal Levels: <0.8V Vlow; >2V Vhigh (TTL compatible)

Optical switch specifications: Transistor optical switch with
IC> 1 mA @ IF=20mA.
Examples: OPTEK part OPB841W55
or Digikey part 365-1103-ND (prewired); Honeywell HOA1870-33
(prewired)
Encoder interface.............................Primary and secondary quadrature encoders, max. freq. 4 MHz
Operating Temperature ................... 0 to 45° C standard, -20 to 50° C upon special request
Relative Humidity............................. 10% to 90% non condensing (operating and storage)
ENCODER CONNECTOR
Mating Connector: AMP MTA 100 series 5 pin, 26 GA, part 3-643815-5
Digikey part A31027
Pin
Name
Notes
Pin
Name
Notes
1
Ground
Ground for primary encoder
4
+5V (V+)
Power to encoder; also use
for Hall sensors requiring +5V
2
Index
Input from primary encoder
3
Chan A
Input from primary encoder
5
Chan B
Input from primary encoder
I/O CONNECTOR
Mating Connector: AMP MTA 100 series 8 pin, 26 GA, part 3-643814-8
Digikey part A31030
Pin
Name
Notes
1
A/D in #2, secondary encoder Chan B, or Direct input
Includes 10k pullup to 3.3V.
2
A/D in #1, secondary encoder Chan A, or Step input
Includes 10k pullup to 3.3V.
3
LED Drive #2
Includes series 200 resistor to 5V.
4
A/D in #4, secondary encoder Index,

or

Upper

Limit input
Includes 10k pullup to 3.3V.
5
Ground
Common input ground
6
LED Drive #1
Includes series 200 resistor to 5V.
7
A/D in #3 or Home/Lower Limit input
Includes 10k pullup to 3.3V.
8
Ground
Common input ground