Siemens SIMATIC ET 200 Distributed I/O

ET 200 puts I/O out at the machine instead of back in the main panel, cutting cable runs and terminations. We supply ET 200SP interface modules, base units and I/O modules, ET 200MP modules that share the S7-1500 I/O range, and ET 200pro for IP65 field mounting — plus the server modules, BusAdapters and shield connectors that are easy to forget.

SIMATIC ET 200 Distributed I/O we supply

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What to check before ordering

ET 200SP I/O modules need a matching base unit (light or dark) — the module alone will not mount.
Every ET 200SP station needs a server module to terminate the backplane.
Match the interface module to the fieldbus actually in use — PROFINET and PROFIBUS versions are different parts.
Check the module's type code carefully: HF, ST and HS variants differ in accuracy and speed at the same channel count.

Frequently asked questions

Why did my new ET 200SP module not fit?

Almost always the base unit. ET 200SP modules mount on BaseUnits that come in light and dark variants for new or continued potential groups, in several terminal types.

Can ET 200 connect to a non-Siemens PLC?

Over PROFINET or PROFIBUS, yes — ET 200 stations are standard fieldbus devices and are widely used with third-party masters, though engineering is smoother inside TIA Portal.

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