Closed loop stepper drives SDM series
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Specifications MODELS Code Power Supply Full Digital Programmable 2 Phase Step Motor Drives Multi Axes Systems ����������� ������������������������� Advantages of Closed Loop Control: ● with regard to an Open Loop Stepper Solution: - reliable positioning without synchronism loss; - keeps the original position stable and recovers it automatically in case of positioning errors caused by external factors such as mechanical vibrations: - 100% use of the motor torque; - capacity to operate at high velocity related to the current control, which is adjusted depending on the load variations, where the normal systems in open loop use a constant current control at all velocities without considering the load variations. ● compared with a brushless servo controlled solution: - no need to adjust the power (automatic current regulation depending on the load changes); - keeping the position stable without fluctuations after completing the positioning; - quick positioning favoured by the independent control of the integrated DSP; - continuous and fast execution of short stroke movements thanks to the short positioning time. CANopen Controller Master: PC, PLC or other Modbus Slave Mode - c0400 ServoStep Drives ● Multiform Control Modes ● On Board Safety provisions: √ fully tested for direct installation unit √ built in watch dog functionality √ fault monitoring and handling √ on field working errors buffering ● Drives main features: √ low motor vibration √ energy saving √ low mechanical noise √ no resonance √ low heat generation √ high reliability √ closed loop of torque, √ DC/AC power supply √ speed and position √ wide range of power Via del Commercio, 2/4 -9/11 Loc. S. Grato - Z.I. 26900 - LODI (LO) - Italy Tel. 0039 0371 412318 - Fax 0039 0371 412367 email infoever@everelettronica.it www.everelettronica.it Up to 25 controllable drives thanks to the GWC Gateway unit Drive control through commands by Master Controller. Suitable for multi axes systems (up to 127 drives). Built in Powerfull Motion Module functionality assures Perfect Sincronyzation among axes and reduces Master Controller workload. Powerful Motion Module ● Step & Direction Control Mode ● Analog Speed Ref. Control Mode (by potentiometer or ±10Vdc) ● Velocity Control Mode ● Wide range of Positioning Control Modes (homing, relative, absolute, target) ● CAM Mode... cam profile can be programmed ● Electric Gear with programmable gear ratio to track external master reference (from fieldbus or incremental encoder) of motor Speed and Position ● High speed I/O triggered motor start & stop to event syncronizing for fast response demanding application: labeling, nick_finder, on fly cut., etc ... ● Multi Axis movements syncronization capability ● On fly change among any Motion Module Control Modes ● On fly Electric Gear Enable/Disable capability ● Motor Stall detection & Target Position tracking through encoder feedback Homing Motion Profiles Homing sensor Motor position Optional Homing Offset Motor position a = new target position b = on fly change of target position c = on fly change of motor speed Motor speed Homing sensor Optional Homing Offset Mixed Motion Profiles � ELETTRONICA PER AUTOMAZIONE INDUSTRIALE Profibus or Devicenet Slave Mode Multi Axes Synchronization S = new command from master controller Motor speed Control Modes Open Loop / Closed Loop CANopen Slave Mode - c0300 TEMPERATURE AND HUMIDITY working temp. 0°C÷50°C, storage temp. 0°C÷55°C humidity 0%÷90% Closed Loop �������� Control SAFETY PROTECTIONS over/under-voltage, over current, over temperature, open windings, closed windings phase/phase phase/ground Analog Ref. Speed Mode for Advanced Motion Control also in Closed Loop POWER STAGE H-bridge Bipolar chopper of 40 kHz OPTOISOLATED CONTROL BUSSES RS232 / RS422 / RS

Programmable for Stand-Alone functioning Mechanical Data Quick configuration with process-oriented MS Windows Tools. Accepts configuration parameters of optional controllers by means of CANbus connections with Canopen protocol or Serial RS232, RS422, RS485 with MODbus RTU protocols (HMI, PLC, PC, other…). The Atomic environment also allows the user to access all functionalities and resources of the device, and to manage and synchronize the Motion Module and the resources of other drives with every process event. Special Real-time Software Modules available for: - Labelling CAM Management Wire...