Expansion is constrained by the supported host, firmware and module limits. Record the exact installed system before adding functions. Electrical supply, addressing and software configuration may need to change with the extension.
Typical applications: Additional inputs, outputs and communication for supported equipment.
I/O expansion · communication modules · host-specific accessories
I/O expansion
communication modules
host-specific accessories
Ratings and supply options vary by series. Ask for the range suited to your application.
Manufacturer families & published data
Compare the named series against your requirement. These are catalogue references; stock and lead times are confirmed on enquiry. Similar headline ratings do not establish an interchangeable replacement.
LOVATO
Expansion modules and accessories
I/O expansion · communication modules · host-specific accessories
Use the manufacturer family catalogue to confirm current variants, technical limits and compatible accessories.
Manufacturer references reviewed 2026-09-25. Images identify the manufacturer stated in their captions.
Information for your component enquiry
Send the following information so the family can be narrowed to a suitable series. For an existing installation, include the full device reference and clear photographs of the nameplate and connections.
Does the listed range mean every option is in stock?
No. The range describes selected catalogue families. NPE confirms the exact series, configuration, stock and lead time against your enquiry.
Can I replace a component using its headline rating alone?
No. Check the full electrical duty, physical fit, interfaces and supported accessories. Send the installed reference so the intended function can be compared against the proposed component.
Manufacturer images identify the stated family or model. Other equipment illustrations are labelled separately. Confirm specifications and availability before ordering.