Experimental Physics and
Industrial Control System

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<== Date ==>		<== Thread ==>

Subject:	modbusTCP
From:	liuxiaomin via Tech-talk <tech-talk at aps.anl.gov>
To:	"Smith, Martin via Tech-talk" <tech-talk at aps.anl.gov>
Date:	Wed, 22 Sep 2021 14:10:08 +0800

Hi,

I am trying to use modbus on debian system to control device,

When I execute the st.cmd file,it shows the following error:

drvStreamInit: Warning! STREAM_PROTOCOL_PATH not set. Defaults to "."

TEST:CAT1:IN1 devAsynInt32::initCommon connectDevice failed asynManager:connectDevice port CAT_AI1R not found

How can I solve this problem?

Thanks,

Xiaomin

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ANJ, 22 Sep 2021