| Questions & Answers |
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Will the homing function bring the system back to the same home location from both directions?
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Regardless of where the motor is at any given time, as long as you “seek” home in the same direction every time, you will return to the same home location. The MGHP and MGHN functions will have slightly different home locations due to the width of the sensor.
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When I type DIS=500 via HyperTerminal, I keep getting a “syntax error”. Why?
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In the monitor mode (at the prompt sign), you do not need to use an “=” sign, just a space. DIS 500 (for monitor mode) and DIS=500 (for program mode). The manual describes which commands can be used for which mode, or both.
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Does the AS Plus have sinking or sourcing inputs?
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The inputs of AS products are user selectable with both sinking and sourcing input option.
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Are the drivers interchangeable with the different motors?
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No they are not. Each driver is made specifically for the matching motor.
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Does the AS Plus driver lose the position data if E-Stop is activated?
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E-Stop input will stop the program immediately, and the internal pulse counter (PC) still maintains the position data as long as the power to the driver is maintained.
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In AS Plus driver, How do I stop the motion and the program, and restart from where it was, and then complete the positioning and rest of the program without returning to the mechanical home?
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You can use PAUSE and RESTART inputs with creating a subroutine of OUTSG function.
* The following subroutine is just a sample.
[1] |
INPAUSE=1 |
Assign the Input 1 as the PAUSE input |
[2] |
INRESTART=2 |
Assign the Input 2 as the RESTART input |
[3] |
VS=100 |
Starting frequency is 100 Hz |
[4] |
VR=3000 |
Running frequency is 3000 Hz |
[5] |
DIS=5000 |
Index to 5,000 pulses position |
[6] |
MA |
Move absolute location |
[7] |
CALL WAITEND |
Call subroutine named WAITEND |
[8] |
WAIT 20 |
Wait for 2 seconds |
[9] |
DIS=10000 |
Index to 10,000 pulses position |
[10] |
MA |
Move absolute location |
[11] |
CALL WAITEND |
Call subroutine named WAITEND |
[12] |
WAIT 20 |
Wait for 2 seconds |
[13] |
DIS=0 |
Index to 0 pulses position |
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(Same to the mechanical home position) |
[14] |
MA |
Move absolute location |
[15] |
CALL WAITEND |
Call subroutine named WAITEND |
[16] |
END |
End of the program |
Program WAITEND Subroutine name
[1] |
J=OUTSG&5 |
Variable J is assigned for OUTSG 5 |
[2] |
WHILE(J!=4) |
While J is not 4, |
[3] |
J=OUTSG&5 |
Look for until the out signal is 5 |
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(Both run=1 and end=4 are on) |
[4] |
WEND |
End while |
[5] |
RET |
Return to grogram |
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Can I use AS Plus driver as the Master controller in daisy-chain?
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No, you cannot. A PC or a PLC needs to be the master, and specify which axis to move with @ command.
For example,
@1
MGHP : Move home position of Axis 1
@2
RUN XXX : Run program name XXX of Axis 2
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How can I command multi-axes to go home with using 1 input?
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Example:
1) If using daisy-chain configuration, specify the axis you would like to home with the @ command and then perform the home function.
For example,
@1 Axis1
MGHP Mechanical home seeking is executed in the positive direction
@2 Axis2
MGHP Mechanical home seeking is executed in the positive direction
2) If using I/O to command,
For example, assign IN1=1, MGHP, OUT1=1 in the first axis, then use OUT1 of the first axis to input to the second axis, and so on.
For example,
@1 Axis1
MGHP Mechanical home seeking is executed in the positive direction
@2 Axis2
MGHP Mechanical home seeking is executed in the positive direction
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What is the communication time of Alphastep Plus driver?
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The communication time will be maximum 1 msec per 1 characters.
Communication time = Number of characters X 1 msec X Number of axes
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Why does the driver output an overtravel alarm after executing the Mechanical Home Seeking command?
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The driver is not recognizing the sensor signal is home. Make sure you have CALL HOMED command and the subroutine program is created.
See operation manual Section 6-5 Details of Program Commands.
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Why does the program not run with START input of CN4 activated, while it works fine through Hyper Terminal?
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The START input calls for the program named “STARTUP”. Rename the program that you want to run with START input to “STARTUP”.
“REN” is the command to rename program.
See operation manual Section 6-5 Details of Program Commands
If the name is already “STARTUP”, then check the wiring.
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I am unable to communicate with the AS Plus.
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Check the Hyper terminal settings to be sure they are set to:
9600 baud rate
Data Bits 0
Parity None
Stop Bits 1
Flow Control None
Make sure that the correct port is selected.
2) Make sure that the inputs are supplied with power. CN4 needs +24V on Pin 1 and either pin 17 or pin 18 and GND to pin 2.
See detail on the Chapter 3.3 Connecting external I/O (CN3) of the operation manual.
3) Confirm the COM port setting is properly selected for communication.
To check which communication port is available for the hyper terminal, please refer your computer manual.
It is typically found from the System in Control Panel.
Click START >> Choose Setting >> Open Control Panel >> Open System >> Open Hardware (tab) >> Open Device Manager >> Port >> Communication Port (COM*)
If still not able to communicate, please contact tech support at 1-800-468-3982.
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For the ASC series, can I use the same 24VDC power supply for the electromagnetic brake and main power?
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No, it is not recommended. The electromagnetic brake is structured with a coil. When you switch the power on and off, serge will be generated. There is a varister provided by us for the brake. This is to be wired between the 24vDC and GND of the power supply within the brake connection. This varister reduces the serge to protect the power supply and other circuits. However, it may affect the function of the driver if the power supply is shared. Therefore, we recommend having separate power supplies.
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On the Alphastep series drivers/controllers, can I use one switch to control multiple E-STOPS?
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Yes, with a “multiple circuit switch”.
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