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For Simatic S7 system applications, Siemens 6ES7131-4BD01-0AA0 provides the function of a Digital Input Module.
For replacement planning, this class of module brings discrete field status into the control system. Typical signal sources include switches, relay contacts, permissives, and equipment-status circuits when they match the module's electrical requirements. The product should be matched to the documented control-system position.
Within an S7 installation, the exact hardware order number determines supported interfaces and configuration behavior. System and software compatibility should be checked before replacement. Selection should account for the intended surrounding hardware configuration.
Country of origin is listed as China.
In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. Application should remain aligned with the documented system design.
New sealed modules come in a 5 pack or you can buy refurbished/used individually.
Product phase out started by Siemens 10.01.2020
SIEMENS SIMATIC DP 5 electronic modules for ET 200S, 4DI standard 24 VDC, 15 mm width
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- Amanda, United StatesDCS Center sells new surplus and reconditioned products. This website is not sanctioned or approved by any manufacturer or tradename listed. DCS Center is not an authorized distributor or representative for the listed manufacturers. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.
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