Omron CK3M Series - Page 48

Item CK3M-CPU101 CK3M-CPU111 CK3M-CPU121
EtherCAT com-
munications
specifications
Communications protocol None EtherCAT protocol
Baud rate 100 Mbps
Physical layer 100BASE-TX (IEEE 802.3)
Topology Line, daisy chain, and branching
Transmission media
Twisted-pair cable of category 5 or
higher (double-shielded cable with
aluminum tape and braiding)
Transmission distance
Distance between nodes: 100 m or
less
Maximum number of slaves 32
Range of node addresses that
can be set
1 to 32
Ethernet com-
munications
specifications
Baud rate 100 Mbps
Physical layer 100BASE-TX (IEEE 802.3)
Frame length 1,514 bytes max.
Media access method CSMA/CD
Modulation Baseband
Topology Star
Transmission media
Twisted-pair cable of category 5, 5e, or higher (shield-
ed cable)
Maximum transmission distance
between Ethernet switch and
node
100 m
Maximum number of cascade
connections
There are no restrictions if an Ethernet switch is used.
USB port
Physical layer
USB 2.0 compliant, type A connector. Output voltage:
5 V
, 0.5 A max.
Transmission distance 3 m max.
Current consumption
CK3M-CPU101: 5 VDC 7.2 W max.
CK3M-CPU1
11/CPU121: 5 VDC 7.8 W max.
(including End Cover)
Dimensions (height × depth × width) 90(H)/80(D)/63.2(W)
Weight (including End Cover) 220 g max. 230 g max.
3 Configuration Units
3-4
CK3M-series Programmable Multi-Axis Controller User's Manual Hardware (O036)