OMRON CV500 series PLC has a variety of modules

OMRON
Personal Computer Unit
CV500-VP213-E

CV500-VP CPU Bus Unit Personal Computer Unit Main Mem CV500-VP213-E. 4-MB memory; w/o floating-point processor.

OMRON
Personal Computer Unit
CV500-VP213

CV500-VP CPU Bus Unit Personal Computer Unit Main Mem CV500-VP213. 4-MB memory; w/o floating-point processor.

OMRON
Personal Computer Unit
CV500-VP217-E

CV500-VP CPU Bus Unit Personal Computer Unit Main Mem CV500-VP217-E. 8-MB memory; w/o floating-point processor.

OMRON
Personal Computer Unit
CV500-VP217

CV500-VP CPU Bus Unit Personal Computer Unit Main Mem CV500-VP217. 8-MB memory; w/o floating-point processor.

OMRON
Personal Computer Unit
CV500-VP223-E

CV500-VP CPU Bus Unit Personal Computer Unit Main Mem CV500-VP223-E. 4-MB memory; w/floating-point processor.

OMRON
Personal Computer Unit
CV500-VP223

CV500-VP CPU Bus Unit Personal Computer Unit Main Mem CV500-VP223. 4-MB memory; w/floating-point processor.

OMRON
Personal Computer Unit
CV500-VP227-E

CV500-VP CPU Bus Unit Personal Computer Unit Main Mem CV500-VP227-E. 8-MB memory; w/floating-point processor.

OMRON
Personal Computer Unit
CV500-VP227

CV500-VP CPU Bus Unit Personal Computer Unit Main Mem CV500-VP227. 8-MB memory; w/floating-point processor.

OMRON
Hard Disk Drive Unit
CV500-HDD11

CV500-HD SYSMAC BUS PC Unit Hard Disk Unit 80MB hard disk CV500-HDD11. CV500-HDD11: 80MB x 2.

OMRON
Hard Disk Drive Unit
CV500-HDD02

CV500-HD SYSMAC BUS PC Unit Hard Disk Drive For 200 VAC CV500-HDD02.

OMRON
Hard Disk Drive Unit
CV500-HDD01

CV500-HD SYSMAC BUS PC Unit Hard Disk Drive For 100 VAC CV500-HDD01.

OMRON
PC Card Interface Board
CV500-MP602

CV500-MP SYSMAC BUS PC Unit PC Card Interface Board For PCMCIA 2.1 Type I and II cards CV500-MP602.