ES86 Series Closed-loop Stepper Drive + Motor System (Drive+ Motor/Encoder)

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ES86 Series Closed-loop Stepper Drive + Motor System (Drive+ Motor/Encoder) Traditional stepper motor drive systems operate open loop providing position control without feedback. However, because of this, loss of synchronisation can occur between commanded and actual steps. Monitoring position using an optical encoder can help but only highlights position loss rather than correcting it! An application requiring real-time, closed-loop performance throughout the move has previously required engineers to choose much higher cost/complexity servo systems which in many applications lack the high torque feature of stepper motors. Hence, expensive planetary gearboxes have to be added. Our new ES86 series closed-loop stepper drives and motors system overcome this weakness by using high resolution encoders to update the motor position every 25 micro-seconds, ensuring controlled, real-time, position accuracy without losing steps. Different from the constant current output of an open-loop stepper system, output current in ES stepper drives is optimised - changing based on load position. FEATURES No tuning required and easy to use Close-loop control eliminating loss of steps Supply voltage from 30 to 80 vdc with peak current of 8.2A Programming with RS232 Broader operating range higher torque and higher speed Reduced motor heating and more efficient smooth motion and super-low motor noise Do not need a high torque margin Fast response, no delay and almost no settle time High torque at starting and low speed, high stiffness at standstill Matched with 2-phase NEMA 34 motors with 4Nm or 8Nm holding torque Internal optical encoder for accurate position control STEPPER DRIVE SPECIFICATIONS Electrical Specifications Parameter Min Typical Max Unit Input Voltage 30 48 80 VDC Output Current 0-8.2(Peak) A Pulse Input Frequency 0-200 khz Logic Signal Current 7 10 16 ma Isolation Resistance 500 - - MΩ Motion Control Products Ltd. P a g e 1 Tel.: (+44) 01202 599922

Operating Environment Cooling Operating Environment Storage Temperature Weight Natural Cooling or Forced cooling Environment Avoid dust, oil fog and corrosive gases Storage Temperature -20 C- 65 C (-4 F- 149 F) 0 C - 50 C (32 F - 122 F) Ambient Temperature Humidity 40%RH - 90%RH Operating Temperature (Heat Sink) 70 C (158 F) Max -20 C - 65 C (-4 F - 149 F) 580g (20.46 oz) Mechanical Dimensions Protection Indications The green indicator turns on when the stepper drive is powered up. When the stepper drive protection is activated, the red LED blinks periodically to indicate the error type as below: Priority Time(s) of Blink Sequence wave of red LED 1st 1 0.2S 5S Description Over-current protection 2nd 2 0.3S 0.2S 5S Over-voltage protection 3rd 7 0.3S 0.2S 5S Position following error Motion Control Products Ltd. P a g e 2 www.motioncontrolproducts.com

Connectors and Pin Assignment The ES86 stepper drive has four connectors, connector for control signals connections, connector for stator signal connections, connector for encoder feedback and connector for power and motor connections. Control Signal Connector Screw Terminal Pin Name I/O 1 PUL+ I 2 PUL- I 3 DIR+ I 4 DIR- I Description Pulse signal: In single pulse (pulse/direction) mode, this input represents pulse signal, each rising or falling edge active (software configurable, see hybrid servo software operational manual for more detail); In double pulse mode (software configurable), this input represents clockwise (CW) pulse, active both at high level and low level. 4-5V when PUL-HIGH, 0-0.5V when PUL-LOW. For reliable response, pulse width should be longer than 2.5μs. Series connect resistors for current-limiting when +12V or +24V used. The same as DIR and ENA signal. Direction Signal: In single-pulse mode, this signal has low/high voltage levels, representing two directions of motor rotation. In double-pulse mode (software configurable), this signal is counter-clock (CCW) pulse, active both at high level and low level. 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-drive wiring match. Exchanging the connection of two wires for a coil to the drive will reverse motion direction. The direction signal s polarity is software configurable. 5 ENA+ I Enable signal: This signal is used for enabling/disabling the drive. In default, high level (NPN control signal) for enabling the drive and low level for disabling the drive. Usually left UNCONNECTED (ENABLED). Please note that PNP and Differential control signals are on the 6 ENA- I contrary, namely Low level for enabling. The active level of ENA signal is software configurable. Pin Name I/O Stator Signal Connector Screw Terminal Description 1 Pend+ O In-position Signal: OC output signal, active when the difference between the actual position and the command position is zero. This port can sink or source 20mA current at 24V. The resistance 2 Pend- O between Pend+ and Pend- is active at high impedance. 3 ALM+ O 4 ALM- O Alarm Signal: OC output signal, active when one of the following protection is activated: overvoltage, over current and position following error. This port can sink or source 20mA current at 24V. In default, the resistance between ALM+ and ALM- is low impedance in normal operation and becomes high when ES86 goes into error. The active level of alarm signal is software configurable. See Hybrid servo software operational manual for more detail. Encoder Feedback Connector Screw Terminal Pin Name I/O Description 1 EB+ I Encoder channel B+ input 2 EB- I Encoder channel B- input 3 EA+ I Encoder channel A+ input 4 EA- I Encoder channel A- input 5 VCC O +5V @ 100 ma max. 6 EGND GND Signal ground Motion Control Products Ltd. P a g e 3 Tel.: (+44) 01202 599922

Power and Motor Connector Screw Terminal 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) 30-72VDC recommended, leaving room for voltage fluctuation and back-emf. 6 GND GND Power Ground (Negative) RS232 Communication Port RS232 port is used to configure the close-loop current, open-loop current, position following error limit and so on. See Hybrid Stepper Drive Software Operational Manual for more information. Pin Name I/O Description 1 NC - Not connected. 2 +5V O +5V power only for STU (Simple Tuning Unit). 3 TxD O RS232 transmit. 4 GND GND Ground. 5 RxD I RS232 receive. 6 NC - Not connected. DIP Switch Settings Microstep Resolution (SW1-SW4) Steps/ Revolution SW1 SW2 SW3 SW4 Steps/ Revolution SW1 SW2 SW3 SW4 Software Configured (Default 200) on on on on 1000 on on on off 800 off on on on 2000 off on on off 1600 on off on on 4000 on off on off 3200 off off on on 5000 off off on off 6400 on on off on 8000 on on off off 12800 off on off on 10000 off on off off 25600 on off off on 20000 on off off off 51200 off off off on 40000 off off off off Motor Direction (SW5) ON SW5 Motor direction is positive. Motor direction is negative. Motor Selection (SW6) ON SW6 86HS80-EC-1000 86HS40-EC-1000 OFF OFF Motion Control Products Ltd. P a g e 4 www.motioncontrolproducts.com

Current Control The stepper motor current can be adjusted automatically according to the load or the stator-rotor relationship. However, the users can also configure the current via the tuning software called ProTuner. The configurable parameters include close-loop current, holding current, encoder resolution, micro step and so forth. There are also PID parameters for the stepper motor but the stepper drive has been tuned to work with the matched motor so the users do not need to tune them. MATCHING MOTOR 86HS SPECIFICATIONS Electrical Specifications ES86 stepper drive can work with two-phase NEMA34 hybrid stepper motors with encoder as below: Motor Model No. 86HS40-EC-1000 86HS80-EC-1000 Step Angle (Degree) 1.8 1.8 Holding Torque (N.m) 4.0 8.0 Phase Current (A) 5.5 6.0 Phase Resistance (Ohm) 0.46 0.44 Phase Inductance (mh) 4 3.73 Inertia (g.cm2) 1500 2580 Weight (Kg) 1.5 3.8 Encoder (lines/ Rev.) 1000 1000 Wiring Diagram Mechanical Dimensions STEPPER MOTOR 86HS40-EC-1000 Motion Control Products Ltd. P a g e 5 Tel.: (+44) 01202 599922

STEPPER MOTOR 86HS80-EC-1000 Encoder Extension Cable Pin Out Pin Color Name Description Pin Color Name Description 1 Red VCC +5V power input 4 Green B- Encoder Channel B- 2 White GND +5V GND 5 Black A+ Encoder Channel A+ 3 Yellow B+ Encoder Channel B+ 6 Blue A- Encoder Channel A- Motion Control Products Ltd. P a g e 6 www.motioncontrolproducts.com

TYPICAL CONNECTIONS ES86 Drive Copyright 2012-2013 Motion Control Products Ltd. All rights reserved. All data subject to change without notice in advance (V1.0-12.1116) Motion Control Products Ltd. P a g e 7 Tel.: (+44) 01202 599922