Power Supply Design
• In the system, only use a power supply within the rated supply capacity range specified in this man-
ual.
Turning ON the Power Supply
• It takes approximately several tens of seconds to enter RUN mode after the power supply is turned
ON. During that time, outputs will be OFF or the values will be as according to settings in the Unit or
slaves. Also, external communications will not be able to be performed. Implement fail-safe circuits
so that external devices do not operate incorrectly.
•
Surge current occurs when the power supply is turned ON. When selecting fuses or breakers for
external circuits, consider the above precaution and allow sufficient margin in shut-off performance.
Refer to this user's manual for surge current specifications.
Actual Operation
• Build a program such that the Sys.Status flag is constantly monitored and safe operations are taken
if any errors occur.
Turning OFF the Power Supply
• Do not turn OFF the power supply or remove the USB memory device while the Controller is ac-
cessing the USB memory device. Data may become corrupted, and the Controller will not operate
correctly if it uses corrupted data.
• Always turn OFF the power supply before you attempt any of the following.
a)
Connecting cables or wiring the system
b) Connecting or disconnecting the connectors
• Do not disconnect the cable or turn OFF the power supply to the product when downloading data or
programs from the Support Software. You may be unable to download the correct data, which could
result in malfunctions.
• Do not turn OFF the power supply to the Controller while the built-in flash memory is being written.
Data may become corrupted, and the Controller may not operate correctly.
Operation
Confirm that no adverse effects will occur in the system before you attempt any of the following.
• Changing the operating mode of the Controller (including changing operation mode setting when
power is turned ON)
•
Changing the user program or settings
• Changing set values or present values
Precautions for Safe Use
17
CK3E-series Programmable Multi-Axis Controller User’s Manual Hardware (I610)
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