RMS R325I User Manual

Single axis controller/driver

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R325I Single Axis Controller/Driver
User Manual
And Commands Guide
Version 1.20
RMS Technologies
2533 N. Carson St. #4698, Carson City, NV 89706-0147
1-877-301-3609
www.rmsmotion.com
sales@rmsmotion.com

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  • Page 1 R325I Single Axis Controller/Driver User Manual And Commands Guide Version 1.20 RMS Technologies 2533 N. Carson St. #4698, Carson City, NV 89706-0147 1-877-301-3609 www.rmsmotion.com sales@rmsmotion.com...
  • Page 2 Specifications are subject to change without notice. RMS Technologies reserves the right to make changes without further notice to any products herein to improve reliability, function, or design. RMS Technologies does not assume any liability arising out of the application or use of any product or circuit described herein;...
  • Page 3 R325I User Manual Product: R325I Version: 1.20 Date: 02/13/2006 Version History Version Date Description of Changes 1.20 02/13/2006 New Formatting RMS Technologies Page 3 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 4: Table Of Contents

    Setting Step Resolution ................... 11 Saving the Configuration ................. 11 Connecting the Motor ..................11 Configure the R325I using the DIP Switch............12 DIP Switch Run Current Settings ................12 DIP Switch Hold Current Settings ................12 DIP Switch Step Resolution Settings ................12 8.
  • Page 5: Features

    Go-Resume and the other for Stop-Quit. The normal usage of the single optically isolated output is to indicate motion by sending a pulse every time a step is made. RMS Technologies Page 5 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 6: Electrical Specifications

    Interface Type RS485 Baud Rate 57600 bits per second (bps) # Bits per character 8 data bits Parity None Stop Bit Flow Control None RMS Technologies Page 6 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 7: Mechanical Specifications

    5. MECHANICAL SPECIFICATIONS Size: 3.00” x 2.94” x 1.42” Weight: 4.8 oz Mounting: Four #6-32 screws, 2.42” x 2.45” Plate: Aluminum, Hard Anodized Dimensions RMS Technologies Page 7 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 8: Pin Assignments

    Mating Connectors P3 Configuration Pin No Function Phoenix Contact 1803675 A Input (+ve) 640441-5 Ground 640441-3 B Input (-ve) JP1 – Jumper on Pins 7 & 8 (Default) RMS Technologies Page 8 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 9: Connection Specifications

    OFF position, setup must be made with an RS485 connection and communication can take place using Windows HyperTerminal. When using the Driver Only portion of the R325I, first remove the jumper located on JP1, use the dip switches for step resolution and current settings.
  • Page 10: Connecting The Power

    Connecting the Power The R325I requires a supply voltage between 15-48 VDC. First, connect the positive end of the power supply to positive terminal (Pin 12), and then connect the negative of the power supply to the Ground (Pin 11) on the R325I.
  • Page 11: Setting The Current

    #ARI2000 To set Hold Current to 300mA (0.3A): #AHI300 Setting Step Resolution The R325I is capable of full stepping or 2, 4, 8, 16, 32, 64, 128, and 256 microstepping. Example: To set Step Resolution to 4x microstepping: #ASR4 Saving the Configuration In order to have these settings retained upon a power cycle, the data must be saved.
  • Page 12: Configure The R325I Using The Dip Switch

    *The power must be turned OFF when switching in and out of Full Step mode. Notes: 1. Switches 8, 9 , and 10 must be set to ‘OFF’ to use the R325I in control mode. This is in addition to installing the jumper on JP1 Pins 7 and 8.
  • Page 13: Basic Step And Direction Operation

    400 nanoseconds with the pulse interval varying with pulse rate. For test purposes, setting the Function Generator duty cycle to 50%, and just varying frequency is satisfactory. RMS Technologies Page 13 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 14: Command Tables

    9. COMMAND TABLES To begin using the R325I in command mode, insure that the jumper is located on Pin 7 & 8 of JP1 and that switches 8, 9, and 10 are in the OFF position, setup must be made with an RS485 connection and communication can take place using Windows HyperTerminal.
  • Page 15: Commands

    For direct keyboard users, these values are executed when the "Return" key is pressed. For programmers, a "Carriage Return" and "Line Feed" (also known as a "New Line") command needs to be executed after each command. RMS Technologies Page 15 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 16: Homing & Positioning

    #AZP Zero Position - Command Only Sets absolute - Sets the current value of the Absolute Position scale to zero position to zero Note: This command functions differently between R325I and R325IE VELOCITY & ACCELERATION 1 - 250 #AAC1 Acceleration - Command or Query...
  • Page 17 - Changes to new velocity values from new VM commands, will also occur at the rate set by ‘Acceleration’ (AC). Note: No value is returned. Zero velocity makes an abrupt stop RMS Technologies Page 17 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 18: Setting Current

    -The parameters whose values are thus saved are: My Address Absolute Position Velocity Limit Minimum Velocity Start Velocity Acceleration Hold Timeout Step Resolution Run Current Hold Current Percent Fast Decay RMS Technologies Page 18 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 19: Microstepping

    ‘Direction’, ‘Disable’, and ‘Step’; in descending order. ‘Direction’ has the value 4 (100) ‘Disable’ has the value 2 (010) ‘Step’ has the value 1 (001) Reply *ATI3 // 3 = ‘011’ RMS Technologies Page 19 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 20: Rs485 Communication

    The Slave address is the first character after the ‘#’ in the outgoing message, and the first character after the ‘*’ in the reply. For ease of use RMS Technologies restricts the range of address characters to the range of capital letters ‘A’ to ‘Z’, with ‘A’ being the default.
  • Page 21 Data is transmitted at 57,600 Baud, with eight data bits, no parity, and two stop bits. 7. Recommended Interface Device The RMS Technologies USB485 Converter Card converts the RS485 connection to a standard USB connection (1.1 and 2.0 compatible). 8. HyperTerminal Operation In addition to setting the data format to match that specified in section 6, two settings must be made in the ASCII setup section.
  • Page 22: Troubleshooting

    12. Troubleshooting R325I is not functioning correctly Try putting the R325I into TEST mode by placing a jumper on Pins 9 & 10 of JP1. The motor should twitch back and forth slightly if the R325 is functioning properly. R325I not moving the motor (Step/Dir) Verify that the 5V is being supplied to Pin 1 of P1.
  • Page 23: Appendix A

    Recommended Cable Configurations: DC Supply to Driver Cable length, wire gauge and power conditioning devices play a major role in the performance of your RMS Technologies Driver and Motor. NOTE: The length of the DC power supply cable to the Driver should not exceed 50 feet.
  • Page 24 AC power is used Driver Supply Cable Wire Size NOTE: Always use Shielded/Twisted Pairs for the Driver DC Supply Cable, the AC Supply Cable and the Driver to Motor Cable. RMS Technologies Page 24 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 25 * 0.5 MH is a typical starting point for the Common Mode Line Filters. By increasing or decreasing the value of L you can set the drain current to a minimum to meet your requirements. RMS Technologies Page 25 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...
  • Page 26 NOTE: Always use Shielded/Twisted Pairs for the Driver DC Supply Cable, the AC Supply Cable and the Driver to Motor Cable. RMS Technologies Page 26 Version 1.20 R325I Single Axis Controller/Driver Manual 02/13/2006...

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