This module is a part of the ABB AC 450 and AC460 applications. It is a processor module with 16 MByte memory, and it can be exchanged with the 3BSE008258R1 module. The module comes with two memory modules Simm 3BSC120004E6, which can be switched to 8 MB if needed. The source also mentions the PM510MV16 Processor Module 3BSE016240R1, which is a coated marin classified unit.

ABB PM510V16 3BSE008358R1 Processor Module Advant OCS DCS MODULE.PM510V16 Processor Module with 16 MByte, used in AC 450 and AC460 applications.

Estimated Shipping Size
  Dimensions: 13.0" x 1.0" x 12.0"
  (33.0 cm x 2.5 cm x 30.5 cm)
  Weight: 1 lbs 12.0 oz (0.8kg )

The PM510V16 Processor Module is used in the ABB AC 450 and AC460 applications, which are part of the Advant Master DCS system. The module is responsible for processing the input signals received from the I/O modules and executing the control program. The module has a processor that executes the control program and a memory that stores the control program and data. The memory module is expandable up to 16 MByte, but it can also be switched to 8 MB if needed