EtherNet/IP unit with tag data link capacity of 180,000 words or more
| Model number | CJ1W-EIP21S | |
| Type | 100Base-TX | |
| Applicable PLCs | NJ-series, CJ (CJ1, CJ2) series, and CP1H | |
| Unit classification | CJ-series CPU Bus Unit | |
| Mounting location | CPU Rack or Expansion Rack | |
| Number of Units that can be mounted | NJ-series System: 4 max. (including Expansion Racks) CJ series System: 8 max. (including Expansion Racks) CP1H System: 2 max. | |
| Current consumption (Unit) | 650 mA max. at 5 V DC | |
| Weight | 91 g max. | |
| Dimensions | 31 × 90 × 65 mm (W × H × D) | |
