RAVEO RM42A User Manual Download Page 13 | Manualshive

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RAVEO RM42A User Manual Download Page 13

RM42A Digital Stepper Drive User Manual

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13. Warranty

Twelve Month Warranty
Exclusions

The above warranty does not extend to any product damaged by reasons of improper or inadequate handlings by customer,
improper or inadequate customer wirings, unauthorized modification or misuse, or operation beyond the electrical
specifications of the product and/or operation beyond environmental specifications for the product.
Obtaining Warranty Service
To obtain warranty service, please contact your seller to obtain a returned material authorization number (RMA) before
returning product for service.

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Summary of Contents for RM42A

Page 1: ...RM42A Digital Stepper Drive User Manual User Manual RM42A 2 Phase Digital Stepper Drive Hardware Version 2 0 Manual Revision 1 0 ...

Page 2: ... Indication 4 4 Control Signal and Output Signal 4 4 1 Control Signal Connection 4 4 2 Fault Output Connection 4 5 Motor Connection 5 6 Power Supply Selection 5 6 1Power Supply Sharing 5 6 2 Selecting Supply Voltage 6 7 DIP Switch Configurations 6 7 1 Microstep Resolution Configurations 6 7 2 Output Current Configurations 7 7 2 1 Dynamic Current Configurations 7 7 2 2 Idle Current Configuration 7 ...

Page 3: ...o jump when powered on l Optically isolated inputs with 5V or 24V l Fault output l Over voltage and over current protections 2 Specifications 2 1 Electrical Specifications Parameters RM42A Min Typical Max Unit Output Current 1 0 0 7 RMS 4 2 3 0 RMS A Supply Voltage 18 24 48 50 VDC Logic signal current 7 10 16 mA Pulse input frequency 0 200 kHz Minimal Pulse Width 2 5 μS Minimal Direction Setup 5 0...

Page 4: ...ecommended to mount the drive vertically to maximize heat sink area Use forced cooling method to cool if necessary 3 Connection Pin Assignments and LED Indication Figure 2 Connectors DIP switches and LED locations The RM42A has three connector blocks P1 P2 P3 see above picture P1 is for control signals connections and P2 is for output signals connections P3 is for power and motor connections The f...

Page 5: ... Connector Pin Details ALM 1 Maximum 30V 100mA output 2 Sinking or sourcing 3 The resistance between ALM and ALM is low impedance as default and will change to high when the drive goes into error protection 4 Fault connection refer to chapter 4 2 ALM 3 3 P3 Motor and Power Supply Connector Pin Function Details GND Power supply ground connection Vdc Power supply positive connection Suggest 24 48VDC...

Page 6: ...en the power supply and the drive to increase noise immunity for the drive in interference environments Figure 4 Connections to open collector signal Figure 5 Connections to PNP signal common anode common cathode Notes 1 ENA signal is no connected as default 2 Control signal amplitude is 24 V as default If it is 12 V please set the S2 Figure 2 selector switch to 5 V first then connect 1KΩ resistor...

Page 7: ...rally speaking supply voltage determines the high speed performance of the motor while output current determines the output torque of the driven motor particularly at lower speed Higher supply voltage will allow higher motor speed to be achieved at the price of more noise and heating If the motion speed requirement is low it s better to use lower supply voltage to decrease noise heating and improv...

Page 8: ... resolution output current motor standstill current pulse type and smoothing time as shown below SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 The second 1 bit selector is located on the top S2 in figure 2 used to configure the voltage of control signals For the safety of optically coupled the factory setting is 24V which no need to connect 2K resistors like the old drives making it easier to use When the volta...

Page 9: ...W4 is used to set motor idle current percentage At OFF position it means the standstill current is set to be 50 of the selected output current At ON position it means standstill current is set to be 90 The current automatically reduced to 50 of the selected dynamic current 0 4 second after the last pulse 7 3 Automatic Motor Matching Self Configuration When powered on a RM42A will automatically con...

Page 10: ...lowing diagram Figure 9 Sequence chart of control signals Remark a t1 ENA must be ahead of DIR by at least 200ms Usually ENA and ENA are NC not connected See Connector P1 Configurations for more information b t2 DIR must be ahead of PUL effective edge by 5µs to ensure correct direction c t3 Pulse width not less than 2 5µs d t4 Low level width not less than 2 5µs e Duty cycle of Pulse signal is rec...

Page 11: ...e wave of red LED Description 1st 1 Over current protection activated when peak current exceeds the limit 2nd 2 Over voltage protection activated when drive working voltage is greater than 60VDC 3nd 3 Reserved When above protections are active the motor shaft will be free or the red LED blinks Reset the drive by repowering it to make it function properly after removing above problems ...

Page 12: ... can be traced to electrical noise controller software errors or mistake in wiring Problem Symptoms and Possible Causes Symptoms Possible Problems Motor is not rotating No power Microstep resolution setting is wrong DIP switch current setting is wrong Fault condition exists The drive is disabled Motor rotates in the wrong direction Motor phases may be connected in reverse The drive in fault DIP sw...

Page 13: ...gs by customer improper or inadequate customer wirings unauthorized modification or misuse or operation beyond the electrical specifications of the product and or operation beyond environmental specifications for the product Obtaining Warranty Service To obtain warranty service please contact your seller to obtain a returned material authorization number RMA before returning product for service ...

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