描述
依这个点数，PLC大致可分为微型机、小型机、中型机及大型机、超大型机微型机控制点仅几十点，如的V80系列PLC本体从16点到40点，OMRON公司的CPM1A系列PLC，的Logo仅10点。
RELIANCE ELECTRIC S-67118-B USPP S67118B
RELIANCE ELECTRIC 0-57410 USPP 057410
RELIANCE ELECTRIC 57C-410 USPP 57C410
RELIANCE ELECTRIC 57C410C USPP 57C410C
RELIANCE ELECTRIC 57C410D USPP 57C410D
RELIANCE ELECTRIC 0-49041 USPP 049041
RELIANCE ELECTRIC D3980015 NSPP D3980015
RELIANCE ELECTRIC 0-49020-4 NSFP 0490204
RELIANCE ELECTRIC 0-49022 NSFP 049022
RELIANCE ELECTRIC 45C-15A USPP 45C15A
RELIANCE ELECTRIC 45C-15C USPP 45C15C
