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10 IO-Link Master Unit
GX-series EtherCAT Slave Unit User’s Manual
10-4 Specifications
10
10-4-1 Specifications
10-4 Specifications
This section gives the specifications and part names of the IO-Link Master Unit, describes its functions,
and provides wiring diagrams.
Communications Specifications
The following table gives the EtherCAT communications specifications of the GX-ILM08C.
Refer to "6-1 EtherCAT Communications Specifications" in Page 6 - 2 for the EtherCAT
communications specifications for GX-series Digital I/O Slave Units, Analog I/O Slave Units, and
Encoder Input Slave Units.
*1 The EtherCAT Remote I/O Terminal conforms to EtherCAT standards. Confirm the specifications of the
connected EtherCAT master for the support topology. The EtherCAT Remote I/O Terminal with unit version 1.2
or later supports a ring topology.
10-4-1 Specifications
Item Specification
Communications
protocol
EtherCAT protocol
Modulation Baseband
Baud rate 100 Mbps
Physical layer 100BASE-TX (IEEE 802.3)
Connectors
M12 (D-coding, female) × 2 (shielded)
CN IN: EtherCAT input
CN OUT: EtherCAT output
Topology
Depends on the specifications of the EtherCAT master
*1
Communications media
Category 5 or higher (cable with double, aluminum tape and braided shielding is
recommended.)
Communications
distance
Distance between nodes (Slave Units): 100 m max.
Noise resistance Conforms to IEC 61000-4-4, 1 kV or higher.
Node address setting
method
Set on hexadecimal node address switches or with a Configuration Tool.
Node address range
000 to FFF hex (0 to 4,095 decimal): Set on node address switches or with a
Configuration Tool.
Indicators
UNIT PWR × 1
IO PWR × 1
L/A IN (Link/Activity IN) × 1
L/A OUT (Link/Activity OUT) × 1
RUN × 1
ERR × 1
Process data Variable PDO mapping
PDO size/node 2 to 270 bytes
Mailbox Emergency messages, SDO requests, SDO responses, and SDO information
Synchronization mode Free Run Mode (asynchronous)
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