Siemens 6ES5985-2AA11 EPROM Module MEP Adapter For PG 675 CU

Siemens 6ES5985-2AA11 MEP Adapter EPROM Module for PG 675/PG 685 is a dedicated SIMATIC S5 accessory that enables MEP-based EPROM programming with the PG programmer. This compact adapter connects to a PG 675 or PG 685 to hold and interface the EPROM module during offline programming, supporting the off-line EPROM programming workflow used with Siemens EPROM/MEP processes. The housing is 20 mm tall and the overall footprint measures 150 mm in length by 50 mm in width, with a listed weight of about 0.14 kg. Some supplier listings reference this item as 6ES59852AA11. Typical use cases include updating or replacing EPROM contents for legacy SIMATIC S5 control systems, upgrading firmware in EPROM-based memory, and maintaining older S5 controllers where EPROM-based configuration remains in operation. The adapter is part of the EPROM programming chain for the PG 675/PG 685 family and is commonly cataloged alongside other S5 EPROM submodules. When paired with the appropriate PG programmer, the 6ES5985-2AA11 supports offline EPROM programming workflows that rely on MEP adapters to access EPROM data during programming sessions.