Letter Name Function
A Slider Holds the Units together.
B CPU Unit operation indicators Shows the operation status of the CPU Unit using multiple in-
dicators.
C EtherCAT communications connector Connects to an EtherCAT network communications cable.
D EtherCAT communications port opera-
tion indicators
Shows the operation status of EtherCAT.
E Unit connector Connector that connects to the Unit.
F Ethernet communications port opera-
tion indicators
Shows the operation status of Ethernet.
G Ethernet communications connector Connects to an Ethernet network communications cable.
H Watchdog output terminal block Normally in ON state, and switches to OFF when watchdog is
activated.
I USB 2.0 connector USB 2.0 interface connector.
Connects the USB memory
.
J
USB connector for maintenance Do not use.
K USB connector for maintenance Do not use.
L DIN Track mounting hook Used to mount the Unit to a DIN Track.
3-1-3
Operation Status Indicators
CPU Unit Operation Status Indicators
The CPU Unit is equipped with indicators to show the current operations status.
3 Configuration Units
3-6
CK3M-series Programmable Multi-Axis Controller User's Manual Hardware (O036)