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hygradme / OpenParallelGripper

MIT License
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Control with MODBUS RTU throwing errors #3

Open Chompy80 opened 1 week ago

Chompy80 commented 1 week ago

Hi,

I’m using the OpenRB-150 and XL330-M288-T as suggested in the XL330 version of your gripper. the control with lite 6 python code works to open and close the gripper, but "control_openRB150_with_modbus_rtu" python script throws errors. I have the robot's baud rate set to 115200, however I’m getting the following error:

$ python3 control_openRB150_with_modbus_rtu.py 10.10.0.182 coco SDK_VERSION: 1.11.6 ROBOT_IP: 10.10.0.182, VERSION: v2.4.113, PROTOCOL: V1, DETAIL: 6,9,LI1006,DL1000,v2.4.113, TYPE1300: [0, 0] change prot_flag to 3 [set_state], xArm is ready to move set_tgpio_modbus_baudrate, code=0 [SDK][ERROR][2024-09-07 21:24:54][base.py:348] - - API -> getset_tgpio_modbus_data -> code=1, response=[] [SDK][ERROR][2024-09-07 21:24:56][base.py:348] - - API -> getset_tgpio_modbus_data -> code=1, response=[] [SDK][ERROR][2024-09-07 21:24:58][base.py:348] - - API -> getset_tgpio_modbus_data -> code=1, response=[] [SDK][ERROR][2024-09-07 21:25:00][base.py:348] - - API -> getset_tgpio_modbus_data -> code=1, response=[]

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hygradme commented 1 week ago

Do you cross the TX and RX lines as described in the instruction? https://github.com/hygradme/OpenParallelGripper/blob/XL330_version/XL330_version/electronics/grove_cross_cable.jpg I also encountered same errors several times and usually it seems to be caused by wiring issues.

Chompy80 commented 1 week ago

Thank you for your reply. I did swap the TX & RX wires as described. I will go through all the instructions again to ensure everything else is wired properly. For now, I’m able to control the gripper via analog signaling via the Lite 6.

Thank you so much for creating this repo. I greatly appreciate you doing so, as I am now able to create grippers that don't rely on a vacuum pump!