Omron CK3E Series Hardware User Manual page 48

3 Part Names and Functions
Letter Indicator
(G) RDY
3-4
Color Status
Green Lit
Not lit
CK3E-series Programmable Multi-Axis Controller User's Manual Hardware (I610)
Description
Power is supplied to the Unit, and the Unit is in opera-
tion-ready status.
Power is not supplied to the Unit, or initial processing is
in progress.