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3 Common Slave Specifications
EtherCAT Communication Unit USER’S MANUAL (I574-E1)
3-6 Sysmac Device Functions
3
Software setting
The value saved in the non-volatile memory on the slave side as SII (Slave Information Inter-
face) information becomes the node address.
Node address switch setting
The value set by the node address switches on the slave becomes the node address.
Displaying the serial number
The serial number saved in the nonvolatile memory on the Servo Drive side is displayed under 1018
hex-04 hex: Serial number. With controllers conforming to the Sysmac device functions, the network
configuration can be checked using this serial number.
To check the network configuration, set Setting = Actual device under Serial Number Check Method
on the EtherCAT Edit Screen of Sysmac Studio.
If the specified criteria cannot be met, a Network Configuration Verification Error will occur.
Additional Information
Since replacement of slave device can be detected, all slave parameters will be set without fail.
(1) While the power is off, set the node address
switches to 00.
(2) Write the set value of node address to SII on
the slave, from the master side.
(3) When the slave power is turned on, the set
value of node address is reflected in the register
address 0012 hex by the software.
(4) The EtherCAT master reads the set value at
the register address 0012 hex.
(5) The EtherCAT master writes the value at the
address 0012 hex to the address 0010 hex as
the node address.
Register: 0010 hex
EtherCAT
Slave Controller
Node address
switch
(2)
(3)
(1)
EtherCAT Slave
(EtherCAT Communication Unit)
(4) (5) Nonvolatile
memory
SII
EtherCAT Master
Register: 0012 hex
(2)
(1) While the power is off, set the node address
switches.
(2) When the slave power is turned on, the value
set by the node address switches is reflected
in the register address 0012 hex.
(3) The EtherCAT master reads the set value at
the register address 0012 hex.
(4) The EtherCAT master writes the value at the
address 0012 hex to the address 0010 hex as
the node address.
Register: 0010 hex
EtherCAT
Slave Controller
Node address
switch
(1)
EtherCAT Slave
(EtherCAT Communication Unit)
(3) (4) Nonvolatile
memory
SII
EtherCAT Master
Register: 0012 hex
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