Omron CK3M Series - CPU Unit Models and Specifications

3-1
CPU Unit
This section describes the models and major specifications of the CK3M-series CPU Units.
3-1-1
Models and Specifications
Models and Outline of Specifications
The models and outline of specifications are given below.
Unit type Model Memory capacity EtherCAT port
Maximum number of con-
trolled axes at EtherCA
T
port
CPU Unit CK3M-CPU101 RAM: 1 GB
Built-In Flash Memory: 1 GB
None ---
CK3M-CPU111 RAM: 1 GB
Built-In Flash Memory: 1 GB
EtherCAT: 1 port (DC
sync)
4 axes
CK3M-CPU121 RAM: 1 GB
Built-In Flash Memory: 1 GB
EtherCAT: 1 port (DC
sync)
8 axes
Performance Specifications
The performance specifications are shown below.
Item CK3M-CPU101 CK3M-CPU111 CK3M-CPU121
Memory
Main memory: 1 GB
Built-In Flash Memory: 1 GB
Number of connectable CK3W Units
(when using Expansion Rack)
8 Units max.
Or 4 CK3W
-AX Units max.
External connection terminals
No EtherCAT For EtherCAT communications
RJ45 × 1 (Shield supported)
For Ethernet communications
RJ45 × 1 (Shield supported)
USB port
For external memory connection, USB 2.0 host × 1
T
ype A
Motion control
CK3W-AX Unit
Maximum num-
ber of control-
led axes
16 axes (when using four CK3W-AX Units)
Control method
Speed and torque control using analog output
Stepper motor control using pulse output
Commutation control using DirectPWM output
EtherCAT
Maximum num-
ber of control-
led axes
None 4 axes 8 axes
Control method
Issuing control commands using
EtherCA
T
3 Configuration Units
3-3
CK3M-series Programmable Multi-Axis Controller User's Manual Hardware (O036)
3-1 CPU Unit
3
3-1-1 Models and Specifications