Item | Specifications | |
---|---|---|
Model number | CJ1W-EIP21 | |
Type | 100Base-TX *1 | |
Applicable PLCs | NJ-series, CJ (CJ1, CJ2) series, CP1H, and NSJ series PLCs. | |
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 and NSJ series System: 8 max. (including Expansion Racks) *2 CP1H System: 2 max. |
|
CPU
Unit words used |
Allocated CIO Area
words (CPU Bus Unit words) |
25 words/Unit (one unit number’s words) |
These words contain control bits and flags, the target node PLC’s operating and
error information, Unit status, communications status, registered/normal target node information, and FINS/TCP connection status. |
||
Allocated DM Area
words (CPU Bus Unit words) |
100 words/Unit (one unit number’s words) | |
These words contain the IP address display/setting area. | ||
User-set area | Any usable data area words | |
Target node PLC’s operating and error information, and registered/normal target
node information |
||
CPU Bus Unit
System Setup |
Not used. | |
Non-volatile memory within
EtherNet/IP Unit (See note.) |
The following settings are stored in the EtherNet/IP Unit’s non-volatile memory.
Note: Unlike the regular Ethernet Units, the CPU Bus Unit Setup Area in the CPU Unit is not used for these settings. 1. Unit Setup (communications settings for the EtherNet/IP Unit, such as the IP address, DNS server settings, host name, baud rate, FINS/UDP settings, and FINS/TCP settings) 2. Tag data link settings (device parameters) |
|
Transfer
specifi- cations |
Media access
method |
CSMA/CD |
Modulation method | Baseband | |
Transmission paths | Star form | |
Baud rate | 100 Mbit/s (100Base-TX) | |
Transmission media | Shielded twisted-pair (STP) cable
Categories: 100 Ω at 5, 5e+ |
|
Transmission
distance |
100 m (distance between hub and node) | |
Number of cascade
connections |
There is no limitation when a switching hub is used. | |
Current consumption (Unit) | 410 mA max. at 5 V DC | |
Weight | 94 g max. | |
Dimensions | 31 × 90 × 65 mm (W × H × D) | |
Other general specifications | Other specifications conform to the general specifications of the CJ-series. |