SIMATIC S5 4DI 230 V input module
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Siemens 6ES5430-8MD11 is a SIMATIC S5 430 digital input module with 4 inputs for 230 V AC/DC signals. The field inputs are isolated from the internal circuitry, and the module is intended for legacy S5-90U, S5-95U, S5-100U, ET 100U and ET 200U systems.
This module is used where the PLC must directly read binary signals at 230 V. Because the SIMATIC S5 430 and 431 families include several similar modules, compare the complete catalog number and the signal voltage used in the existing installation before ordering.
SIMATIC S5 documentation is available from Siemens Industry Online Support. You can also check other input modules in our catalog: 6ES5421-8MA11 and 6ES5430-7LA12.
If this module is installed in an older machine and you are unsure about the version, send us the full marking from the front or side of the unit. In SIMATIC S5 hardware, a small change in the suffix can mean a different voltage or number of inputs.
