Siemens 6SE7090-0XX84-0FB0 Resolver Encoder Board

Siemens 6SE7090-0XX84-0FB0 Resolver Encoder Board (SBR1) is a resolver evaluation module for the SIMOVERT MASTERDRIVES motion‑control family. The board provides resolver feedback without a pulse‑encoder simulation, with the corresponding SBR2 variant 6SE7090-0XX84-0FC0 offering pulse‑encoder simulation. Its compact footprint measures 90 mm in length by 83 mm in width, designed for integration inside Siemens drive assemblies. It is intended for operation with natural‑air cooling in MASTERDRIVES systems, with permissible ambient temperatures from 0 to +70 C and storage temperatures from −25 to +70 C. Relative humidity tolerance is up to 85% during operation (95% during transport/storage), and the device adheres to IEC pollution degree 2 and climate class 3K3 (DIN IEC 721‑3‑3). The part is associated with spare reference A5E00098837 and is listed under the order number 6SE7090-0XX84-0FB0 (SBR1). This board is a component of Siemens’ resolver‑based feedback solution for Masterdrives, used to evaluate resolver inputs in servo‑control applications.