OMRON Connector cover CV500-COV02
Protector for Expansion I/O Rack IOIF connector CV500-COV02

OMRON Connector cover CV500-COV04
Protector for Simple Expansion I/O Rack connector CV500-COV04

OMRON Connector cover CV500-COV01
Protector for CPU bus connector CV500-COV01

OMRON Connector cover CV500-COV03
Protector for CPU Rack IOC or Expansion CPU Rack IOIF connector CV500-COV03