Problems with limit switch in closed loop
11 years 1 month ago #29527299
by Geva
Problems with limit switch in closed loop was created by Geva
Hello,
I am using the SDC2130-S with \"Roboteq v1.2 RCB100 06/03/2012\" firmware.
when im in open loop speed mode the reverse ans forward limit switches work fine. in closed loop speed mode when the limit switch is activated the motor stops but when i release the switch it start to turn really fast before resuming to the required speed. this also happens when i change the command direction. i noticed that it only happens when the I in the PID is not zero. i think that the controller sum for the I argument is summing the error even when the limit switch is on so when it released the controller output is huge.
btw, i have the same problem in closed loop count position mode.
any ides how to solve this?
thank you,
Yam
I am using the SDC2130-S with \"Roboteq v1.2 RCB100 06/03/2012\" firmware.
when im in open loop speed mode the reverse ans forward limit switches work fine. in closed loop speed mode when the limit switch is activated the motor stops but when i release the switch it start to turn really fast before resuming to the required speed. this also happens when i change the command direction. i noticed that it only happens when the I in the PID is not zero. i think that the controller sum for the I argument is summing the error even when the limit switch is on so when it released the controller output is huge.
btw, i have the same problem in closed loop count position mode.
any ides how to solve this?
thank you,
Yam
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- roboteq
11 years 1 month ago #29527303
by roboteq
Replied by roboteq on topic Re:Problems with limit switch in closed loop
Your analysis of the problem looks correct. We\'ll look into the firmware asap.
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11 years 1 month ago #29527349
by Geva
Replied by Geva on topic Re:Problems with limit switch in closed loop
Thanks, do you have an estimate of when the fix will be published?
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- roboteq
11 years 1 month ago #29527351
by roboteq
Replied by roboteq on topic Re:Problems with limit switch in closed loop
Sorry for the delay. We\'ll try to have this done by the end of this week.
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11 years 1 month ago #29527377
by Geva
Replied by Geva on topic Re:Problems with limit switch in closed loop
Sorry to bother but there is progress or expected release of fix?
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- roboteq
11 years 4 weeks ago #29527379
by roboteq
Replied by roboteq on topic Re:Problems with limit switch in closed loop
Please try the attached firmware which clears the integrator when limit switches are hit.
Attachment SDC21x0S_Firmware_Update_v12_090312_dfu.zip not found
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