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For Simatic S5 system applications, Siemens 6ES5498-1AA51 provides the function of an Analog Input Sub-Module.
For replacement planning, this class of module forms the measurement path between compatible field instruments and the controller. It supports the acquisition of process values while the exact signal type and channel arrangement remain model-specific. The original equipment schedule should guide compatibility review.
In a SIMATIC S5 system, module selection is governed by the controller family, rack arrangement, electrical interface, and configured program. The exact article number should be matched before installation. The assigned system function should be preserved through installation and service.
When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. Final selection should be based on the plant's controlled-equipment records.
Product was deleted by Siemens without replacement 10.01.2022
SIEMENS SIMATIC S5 measuring range module for analog inputs +4 to +20mA, 2-wire MU
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