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GX-series EtherCAT Slave Unit User’s Manual
The following changes have been made in the upgrade from unit version 1.1 to 1.2 of the GX-series
Digital I/O Slave Units, Analog I/O Slave Units, and Encoder Input Slave Units.
*1. The cable redundancy can be realized by configuring a ring topology. It depends on the specifications of the
EtherCAT master to be used whether a ring topology can be configured or not. Confirm the specifications of
the EtherCAT master to be used.
*2. If the slave device is operated at a cycle shorter than the minimum value of the communications cycle, the
EtherCAT frame may be lost or the communications may be disabled.
The following changes have been made in the upgrade from unit version 1.1 to 1.2 of the GX-series
IO-Link Master Unit.
*1. The cable redundancy can be realized by configuring a ring topology. It depends on the specifications of the
EtherCAT master to be used whether a ring topology can be configured or not. Confirm the specifications of
the EtherCAT master to be used.
*2. If the slave device is operated at a cycle shorter than the minimum value of the communications cycle, the
EtherCAT frame may be lost or the communications may be disabled.
Details of Upgrade from Unit Version 1.1 to 1.2
Item Unit version 1.1 Unit version 1.2
Support for the cable redundancy
*1
(Minimum value of the communications cycle: 125 μs)
*2
Not supported. Supported.
Communications objects
• The Newest Acknowleged Message (subindex 3) of
the Diagnosis History (10F3 hex) and the New Mes-
sages Available (subindex 4)
• CoE time distribution object (10F9 hex)
Not supported. Supported.
PDO mapping objects
• 511th transmit PDO mapping (1BFE hex)
Not supported. Supported.
Item Unit version 1.1 Unit version 1.2
Support for the cable redundancy
*1
(Minimum value of the communications cycle: 125 μs)
*2
Not supported. Supported.
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