Gripper control via ABB IRC5 controller (and IRB 120 robot): drivers?

asked 2018-01-18 05:27:41 -0500

yamuna
11 ●1 ●1 ●4

updated 2018-01-19 07:35:18 -0500

I am working with an ABB IRB 120 robot controlled by an IRC5 compact controller. I was able to correctly install the ABB drivers and to move the robot using the provided ROS packages, via the Ethernet connection between my pc and the IRC5.

Now I want to mount a gripper (I have not choose the model yet) on the wrist and I am wondering if there is a chance to connect and control the gripper directly via the IRC5 controller.

In other words: is it possible to connect the gripper wires directly to the port on the upper arm of the robot and control it in the same way I do with the robot joints? Do drivers exsist for I/O of the IRC5?

Or should I provide a direct connection between my pc and the gripper and then manage the gripper implementing a dedicated ROS node?

EDIT: thankyou gvdhoorn, I will work with a two-finger gripper and I am still considering programmable vs simple open-close options. I saw that some grippers provide a RS485 serial interface. In such case, would you suggest me to connect the gripper directly to my pc (via RS485-USB connection) or to try and connect the gripper to the IRC5 I/O ports and then control the IRC5 output via the Ethernet connection (that I already use to control the robot positioning)?

Thankyou

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I think any answer will be greatly dependent on the type of gripper (simple open/close, or 5 finger anthropomorphic with each digit individually controllable, etc) and the interfaces of the grippers control (DIO, full blown fieldbus, some custom protocol, etc).

gvdhoorn ( 2018-01-18 06:02:03 -0500 )edit

Do drivers exsist for I/O of the IRC5?

Yes, but (at least for the package that I'm thinking of) they are currently in closed beta.

If you can expand your question a little, I'll see if it would be possible for you to join the beta program.

gvdhoorn ( 2018-01-18 06:03:27 -0500 )edit

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answered 2018-01-19 06:32:48 -0500

gvdhoorn
86574 ●283 ●1432 ●1054 http://cor.tudelft.nl/

updated 2018-01-19 06:44:33 -0500

I will work with a two-finger gripper and I am still considering programmable vs simple open-close options. I saw that some grippers provide a RS485 serial interface. In such case, would you suggest me to connect the gripper directly to my pc (via RS485-USB connection) or to try and connect the gripper to the IRC5 I/O ports and then control the IRC5 output via the Ethernet connection (that I already use to control the robot positioning)?

After your edit this seems like it is only partially a ROS issue. Your question leans more to the "how do I connect (insert brand) gripper to an IRC5"-side.

Simple digital / analogue IO based grippers can be directly connected to an IRC5 (the controller should come with the necessary input/output facilities).

As to other interfaces (RS485 fi as you mention) those are typically not available on IRC5 controllers, and will depend on what sort of interfaces you can procure. I'm not up-to-speed with the types of interface modules that are available for ABB controllers.

As to software interfaces to these hw-interfaces (and ultimately your gripper(s)): simple digital / analogue IO can be controlled from ROS (using the same 'ethernet connection' if you want to put it like that) using the drivers that I mention in my comment.

As to everything else: I don't know of any packages that implement interfaces to such devices. Integrating grippers like that is typically done directly from your ROS PC.

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Thankyou gvdhoorn, my question was about the existence of IRC5 drivers to be specifically used to control the IRC5 I/O via ROS. If the answer was "YES", then I will find a hw solution to connect the gripper to the IRC5 I/O. Otherwise, I will just try a direct pc connection.

I exceeded with details

yamuna ( 2018-01-19 07:42:04 -0500 )edit

If with 'I/O' you mean digital and analogue IO (ie: 1-dimensional on/off/value), then the answer is yes (but in closed beta).

If you want arbitrary complexity (ie: higher-level abstraction message exchange, so including serial), then right now I think the answer would be no.

gvdhoorn ( 2018-01-19 08:43:28 -0500 )edit

Yes, I mean digital and analogue IO. I'm sorry I wasn't clear. So, final answer depends if it would be possible for me to join the beta program :)

yamuna ( 2018-01-19 08:48:16 -0500 )edit

I've spoken with the developers, and apparenty a new version will be released in a matter of weeks. They'd rather that new beta participants wait for the upcoming version than work with the old one.

If you can ping me in about 2 to 3 weeks, we can see what the status is.

Just post a comment here.

gvdhoorn ( 2018-01-24 14:38:58 -0500 )edit

ok, thankyou gvdhoorn. In the meanwhile I will buy the gripper. I will give you more details about it later, if you want.

yamuna ( 2018-01-24 17:48:04 -0500 )edit

Hello gvdhoorn! I wondered if there were any news. Ty

yamuna ( 2018-02-08 02:48:26 -0500 )edit

Unfortunately not yet. I've been told that it will still be a few more weeks. Nothing I can do unfortunately :(

if you need something earlier, I can only suggest that you try to find some alternative.

gvdhoorn ( 2018-02-08 02:59:03 -0500 )edit

Hi gvdhoorn, thanks, I figured out that connecting my new Robotiq gripper to my pc via USB was probably my best option. I will continue through that way. Thank you, anyway.

yamuna ( 2018-03-20 12:16:34 -0500 )edit

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answered 2023-06-23 05:49:25 -0500

mohitrochlani
1

I do have similar query , I am working on ABB IRB 1600 robot , i have been able to successfully implement the drivers in the IRC5 controller and able to move the robot arm via ROS with the use of abb_irb_1600_support package , and with abb_1600t config package, I have a pneumatic 2 finger gripper , which i want to control via ROS with the current moveit_package , i have modified the package with the moveit_setup_assistant, included the gripper model in the urdf , configured the ros_controller.yaml file by includig gripper controller, but when i am launching the moveit_planning_execution.launch , it throws error stating action client not connected , but along with it if i launch gazebo.launch it is not throiwing error and planning motion through moveit succesfully , but the real robot is not able to receive any command , it is getting connected message on log on the teach pendant but no task is getting applied. how should i achieve controlling a gripper via ROS, any help , how do i do that ?

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Gripper control via ABB IRC5 controller (and IRB 120 robot): drivers?

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