DS200TCEBG1A, its dedicated signal isolation and expansion terminal board is designed for the turbine protection circuit; together with the overspeed protection board DS200TCEAG1A (TCEA), it forms a redundant, dual-channel safety protection system,

The DS200TCEBG1A hardware configuration features four sets of independent signal isolation transformers and an 8-point reinforced mounting structure; it provides dedicated signal conditioning for PT/CT (voltage/current transformer) secondary signals and includes overload self-locking protection.

This product is functionally distinct from other boards in the same series:

Unlike the DS200TCEAG1A overspeed protection board, this unit lacks a speed logic processing module; instead, it serves to isolate and expand multiple signals within the protection circuit, working in tandem with the other board to establish a dual-redundant safety channel for the unit.

It also differs from the DS200TCQA analog I/O board; the TCQA lacks the dedicated current-limiting isolation circuitry required for transformers and does not meet the safety standards for generator protection circuits, meaning it cannot replace this model for trip interlock signal acquisition.