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Start with the signals you need
Use the Basic Module for a small installation and extend it when additional sensors, actuators or measuring points are required.
Why LOGO! Expansion Modules?
Not every project needs its final I/O configuration on day one. LOGO! 9 makes it possible to begin with a Basic Module and add compatible digital or analog channels as a project evolves. Expansion takes place directly at the controller, creating a flexible solution for compact machines, building functions and standalone installations.
More signals, one system
Build an I/O configuration around the real application rather than choosing a larger controller too early.
Digital and analog flexibility
Select matching digital extensions and analog modules for measurement and control tasks. The combined analog I/O module adds both signal directions in one device.
A simpler expansion path
Modules connect through the LOGO! 9 expansion interface. A consistent modular arrangement helps simplify installation, maintenance and future adjustments.
Key specifications
System limits | Up to 16 compatible modules; up to 64 DI / 60 DQ / 16 AI / 16 AQ overall |
Digital modules | DM8 variants at initial LOGO! 9 launch; additional DM8 and DM16 variants planned |
Analog modules | LOGO! AM4 AI/AQ combines 2 AI and 2 AQ, with selectable resolution |
Interface | Direct local module connection through the expansion/backbone interface |
Planning | Match digital module voltage classes and observe supported module ordering |
Compatibility | LOGO! 8 generation I/O extensions are not compatible with LOGO! 9 Basic Modules |
Featured capabilities
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One module for analog input and output
LOGO! AM4 AI/AQ integrates two analog inputs and two analog outputs. Selectable resolution gives engineers options for analog value processing.
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Plan an orderly migration
Convert existing LOGO! programs in Soft Comfort V9, then review the new hardware bill of materials. Replace older local expansions with compatible LOGO! 9 modules.