undefined [object Object]
{}

Our Brands

Welcome to the Schneider Electric Website

Welcome to our website.
How can we help you today?
How can I read %I/Q or %M on my M221, M241, M251, M262, M258 or LMC058 controller using Modbus ?
2 cases have to be considered: M221 or (M241, M251, M262, M258 and LMC058).

M221 :

%M (internal bits) can be accessed using function codes from the table below (extracted from Machine Expert - Basic online help).
Note that %I (physical inputs) and %Q (physical outputs) can not be accessed directly by Modbus.

ESME-Basic_V1.3

M241, M251, M262, M258 and LMC058:

%M (internal bits) cannot be accessed by Modbus.
But %I (physical inputs) and %Q (physical outputs) can be accessed using function codes from the table below (extracted from Machine Expert online help).

Machine Expert V2.2

Schneider Electric Nigeria

How can I read %I/Q or %M on my M221, M241, M251, M262, M258 or LMC058 controller using Modbus ?
2 cases have to be considered: M221 or (M241, M251, M262, M258 and LMC058).

M221 :

%M (internal bits) can be accessed using function codes from the table below (extracted from Machine Expert - Basic online help).
Note that %I (physical inputs) and %Q (physical outputs) can not be accessed directly by Modbus.

ESME-Basic_V1.3

M241, M251, M262, M258 and LMC058:

%M (internal bits) cannot be accessed by Modbus.
But %I (physical inputs) and %Q (physical outputs) can be accessed using function codes from the table below (extracted from Machine Expert online help).

Machine Expert V2.2

Schneider Electric Nigeria

Explore more
Range:
Explore more
Range:
Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Explore more
Range:
Explore more
Range:
move-arrow-top
Your browser is out of date and has known security issues.

It also may not display all features of this website or other websites.

Please upgrade your browser to access all of the features of this website.

Latest version for Google Chrome, Mozilla Firefox or Microsoft Edgeis recommended for optimal functionality.
Your browser is out of date and has known security issues.

It also may not display all features of this website or other websites.

Please upgrade your browser to access all of the features of this website.

Latest version for Google Chrome, Mozilla Firefox or Microsoft Edgeis recommended for optimal functionality.