Page 1: Table Of Contents
P.17 9. Specifications P.19 Thank you for choosing the Convex Microstep Driver CSMD2 series. Please read this manual carefully so that the equipment is used to its optimum. A copy of this manual should be forwarded to the end user.
Page 2: Safety Cautions
1. Safety Cautions You must read these cautions before using the product. In connection with the use of this product, in addition to carefully reading this manual, it is also essential to pay attention to safety and handle the product correctly. These SAFETY CAUTIONS are classified into two grades: "DANGER"...
Page 3 When the drive generate the heat excessively high(case temperature 70°C ), OFF the power immediately and check if STOP CURRENT level is unnecessarily set high, if the mounting is effective for cooling. Do not contact any material to modify drive set switches in operation. When the main power of factory or laboratory is OFF by various reasons, be sure to turn OFF the local power for step drive.
Page 4: Unpacking And Inspection
2. Unpacking and Inspection Carefully remove the contents of the carton in which the drive was shipped. Inspect the carton and the drive and make note of any apparent physical damage. If severe defect is present then you should consider rejecting the shipment and making contact with shipping company considering in-transit damage claims.
Page 5 3. 2 connectors indication name function ③ DIR +/- Dir + / - (1 pulse mode) Direction of Rotation +/ -(MODE dip sw 1 : off) CW + / - (2 pulse mode) Clockwise pulse +/- ( MODE dip sw 1 : on) ④...
Page 6: Mounting
4. 2 drive attachment The Convex drive is a self-contained package requiring minimal concern for mounting methods and positions. A dimensional outline of CSMD2 series is given in Fig.3. The recommended mounting position is vertical with the heatsink exposed to allow convection and heat removal from the drive. It is recommended that you allow a minimum of 3 cm on all sides for airflow.
Page 7 In general the drive should be positioned close to the motor although step motors are fairly tolerant of long lead lengths. Should the drive need to be positioned more than 2 m from motor, consult the factory for the availability of motors with longer lead lengths. 4.
Page 8: Driver Current And Mode Set
5. Drive Current and Mode set DANGER Switch the power off before current and mode set. Electric shock and damage for drive may occur. Before use or operation, be sure to carefully read this set method to prevent the drive and mechanical equipment from being damaged CAUTION To prevent the electric shock or drive fail, use the insulated material to set drive dip switches...
Page 9 5. 2 STOP CURRENT set CAUTION Do not set STOP CURRENT level unnecessarily high. High STOP CURRENT causes heating of motor and drive and finally it shortens the life of them. If STOP CURRENT level is set too low, at the moment of start and stop, motor can make a shock impact on machines or in vertical motion, moving carriage may fall slowly.
Page 10 5. 3 pulse type selection switch CAUTION Frequent mistakes occur. Be sure to read this manual carefully and set correctly. If this switch is set incorrectly, motor rotates only one direction or CW, CCW rotation speed is different at same input pulse speed. 5.4 microstep resolution set switch The resolution means the number of pulses per motor one turn.
Page 11: Input Pulse Timing Chart
6. Input Pulse Timing Chart 6.1 direction/pulse input, cw/ccw input Fig.7 Input pulse timing chart <GENERAL> ALL available logic inputs have two possible input states, which will be referred to as “ High” and “ Low” . When a logic terminal is open it is in a “ High” state by default since it is clamped “...
Page 12 synchronism if operating above its Start/Stop torque capability. The inputs are optically isolated and may be driven by providing a negative signal with respect to the + input. The output driver of controller must be capable of providing a minimum sink current of 10mA to ensure proper operation.
Page 13: Connection And Wiring
motor wire is not properly connected. Reset input can be used Motor free signal input. As shown in Fig.8, the drive alarm is reset at the negative falling edge of reset output of controller and the drive cuts off motor power in the low state(input photodiode of reset input of drive is turn on state)of reset output of controller.
Page 14 7. 2 Frame Ground (FG) DANGER The case of drive is electrically isolated with interior circuit by 0.1 uF capacitor for Earth. So you can use the case for Earth. Be sure to connect the earth to enhance the drive noise immunity. When you connect the Earth with wire, Use the thick wire and connect shortly If the panel is conductor that is connected at the earth of the main power, additional earth for drives is not required.
Page 15 illuminated and the drive alarm out will be active. Additional air cooling devices are not required except where ambient temperatures are high or high current motors are used. Consult the factory if these conditions exist. The most fundamental rule to follow concerning proper cooling of the devices is to keep the heatsink surface temperature less than 70°c.
Page 16 If the motor is turns in the opposite direction (from the desired direction) after you connect motor wires to the drive, you can change the direction by reversing the leads going to A and A on the motor connector. 7. 6 POWER ON DANGER Do not supply power to the drive without having all of the motor leads firmly connected to their appropriate terminals.
Page 17: Trouble Shooting
Most full step motor controllers jump the motor to a set minimum starting speed that is greater than the resonance region. The Convex microstep capability allows you to operate a motor smoothly even at low speeds.
Page 18 Common Problems and Solutions The following table contains common problems, probable cause, and solutions to the problems, It should help you eradicate most problems you might encounter. Symptoms Probable Causes Solutions The power LED is not on The drive is not receiving DC Verify that the connector on the drive is (illuminated).
Page 19: Specifications
LED display Power on, Alarm Temperature 0°c ~ 40°c Weight 0.4 Kg Dimension 145 × 105 × 20 UNIT = mm Factory: CONVEX Co., Ltd. 3F HANIL BLDG. ,#19-13, SUNGSOO-2GA SUNGDONG-GU, SEOUL, KOREA 133-120 TEL) 82-2-3664-6345, 82-2-3662-3224 FAX) 82-2-3662-3224 Email) convex2000@convex2000.com...

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