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2 Nomenclature and Installation
CJ-series EtherCAT Slave Units Operation Manual (W541)
2-1 Nomenclature
2
2-1-3 Switch Settings
There are two methods to set the node address: hardware switches and software switches.
The switch settings are used to select the method to use.
Set the Node Address with Hardware Switches
Use the switch settings to set the node address from 1 to 255. If these switches are not set to 00, the
node address that is set on the switches will be used.
Setting method: Two-digit hexadecimal
Setting range: 01 to FF hex
The node address is set to 00 at the factory.
Setting the Node Address with Software Switches
To set the node address with software switches, set the node address switches to 00. When the
switches are set to 00, use the EtherCAT master Configuration Software to set a range from 1 to
65535 for the node address.
Precautions for Correct Use
• The node address that is set with hardware or software switches is read only when the Unit
initializes (upon power-up or restart). Changing the node address while the Unit is opera-
tional will not effect the EtherCAT Slave Unit unless a restart or power-up is applied.
• An error may occur on the EtherCAT master if the same node address is set for more than
one slave present on the EtherCAT network.
• An error may occur on the EtherCAT master if the node address is not within the setting
range specified for the EtherCAT master.
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