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Subject: MCB-4B Motor WriteInt32 Errors
From: Caleb Marshall <camarsha@ncsu.edu>
To: <tech-talk@aps.anl.gov>
Date: Wed, 8 Feb 2017 12:19:46 -0500
Hello all,

I have been trying to develop a stepper motor control system using the Base release R3.15.2 and SynApps_5_8. I have followed the documentation in the motor record to setup the IOC for the MCB-4B controller board. Using the IO traces I can tell that communication with the board is happening (there is a constant polling of position and responses from the board, etc.), but whenever I try to change a value for a motion field I get the following:

2017/02/08 10:53:40.203 devMotorAsyn::asynCallback: Enge:m1 pasyn{Float64,Int32}->write returned
2017/02/08 10:53:40.203 asynMotorController:writeInt32 error, status=3 axis=0, function=4, value=0
2017/02/08 10:53:40.203 devMotorAsyn::asynCallback: Enge:m1 pasyn{Float64,Int32}->write returned

And the move command is never sent. I can update fields that do not require communication with the board however.

Any ideas what could be going wrong?

-Caleb Marshall
NCSU/TUNL
 

Replies:
Re: MCB-4B Motor WriteInt32 Errors Mark Rivers

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