Parameter

Min

Typical

Max

Unit

Input Voltage

20

36

50

VDC

Pulse Input Frequency

0

-

200

kHz

Logic Signal Current

7

10

16

mA

Isolation Resistance

500

-

-

MΩ

Cooling

Natural Cooling or Forced cooling

Operating Environment

Environment

Avoid dust, oil fog and corrosive gases

Storage Temperature

-20 °C － 65°C (-4°F－ 149 °F )

Ambient Temperature

0°C－50°C(32 °F－122°F)

Humidity

40%RH －90%RH

Operating Temperature (Heat Sink)

70 °C(158 °F) Max

Vibration

10-55Hz, 0.15mm/s

Storage Temperature

-20 °C－65°C(-4 °F－149 °F )

Weight

209 g (7.37 oz)

Control Signal Connector

Pin

Name

I/O

Description

1

PUL+

I

Pulse signal: This input represents pulse signal, each rising or falling edge active (software configurable, see EM drives software operational manual for more detail); 4-5V when PUL-HIGH, 0-0.5V when PUL-LOW. For reliable response, pulse width should be longer than 10μs. Series connect resistors for current-limiting when +12V or +24V used. The same as DIR and ENA signal.

2

PUL-

I

3

DIR+

I

Direction Signal: This signal has low/high voltage levels, representing two directions of motor rotation.For reliable motion response, DIR signal should be ahead of PUL signal by 5μs at least. 4-5V when DIR-HIGH, 0-0.5V when DIR-LOW. Please note that rotation direction is also related to motor-driver wiring match. Exchanging the connection of two wires for a coil to the driver will reverse motion direction.The direction polarity is software configurable,. See EM drives software operational manual for more detail.

4

DIR-

I

5

ENA+

I

Enable signal:This signal is used for enabling/disabling the driver. In default, high level(NPN control signal)for enabling the driver and low level for disabling the driver. Usually left UNCONNECTED (ENABLED).Please note thatPNP and Differential control signals are on the contrary, namely Low level for enabling.The active level of ENA signal is software configurable. See EM drive’s software manual for more detail.

6

ENA-

I

7

FLT+

O

Fault Signal:OC output signal activated when over-voltage, over current and stall-error protection. This port can sink or source 20mAcurrent at 24V. In default, the resistance between FLT+ and FLT- is low impedance in normal operation and become high impedance when EM503 goes into error. The active level of fault signal can be programmable.See EM drives software operational manual for more detail.

8

FLT-

O

Power and Motor Connector

Pin

Name

I/O

Description

1

A+

O

Motor Phase A+

2

A-

O

Motor Phase A-

3

B+

O

Motor Phase B+

4

B-

O

Motor Phase B-

5

+Vdc

I

Power Supply Input (Positive), 20-45VDC recommended, leaving rooms for voltage fluctuation and back-EMF.

6

GND

GND

Power Ground (Negative)

Peak

RMS

SW1

SW2

SW3

Default

Default

on

on

on

1.46A

1.04A

of

on

on

1.91A

1.36A

on

off

on

2.37A

1.69A

off

off

on

2.84A

2.03A

on

on

off

3.31A

2.36A

of

on

off

3.76A

2.69A

on

off

off

4.20A

3.00A

off

off

off

Steps/Revolution

SW5

SW6

SW7

SW8

Software Configured (Default 200)

on

on

on

on

400

off

on

on

on

800

on

off

on

on

1600

off

off

on

on

3200

on

on

off

on

6400

off

on

off

on

12800

on

off

off

on

25600

off

off

off

on

1000

on

on

on

off

2000

off

on

on

off

4000

on

off

on

off

5000

off

off

on

off

8000

on

on

off

off

10000

off

on

off

off

20000

on

off

off

off

25000

off

off

off

off

Matching Motor

Connection

Code

Description

39HS02

-

0

Select pre-matching Leadshine stepper motors. The EM503 has been tuned for these motors.

42HS03

Parallel

1

57HS09

Parallel

2

57HS13

Parallel

3

57HS22

Parallel -

4

86HS35

Parallel

5

42HS03

Serial

6

57HS04

Serial

7

57HS09

Serial

8

86HS13

Serial

9

86HS22

Serial

A

86HS35

Serial

B

Custom1

-

C

Select non-Leadshine motor. The EM503 needs tuning either by Auto-configuration or the PC software. There are up to four custom positions for customer selection.

Custom2

-

D

Custom3

-

E

Custom4

-

F