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3 Specifications and Application Procedures
3 - 2 NX-series EtherCAT Coupler Unit User’s Manual (W519)
3-1 Specifications
This section provides the general specifications of an EtherCAT Slave Terminal and the specifications
of the EtherCAT Coupler Unit and End Cover.
3-1-1 General Specifications of EtherCAT Slave Terminals
Item Specification
Enclosure Mounted in a panel
Grounding method Ground to 100 Ω or less.
Operat-
ing envi-
ronment
Ambient operating
temperature 0 to 55°C
Ambient operating
humidity 10% to 95% (with no condensation or icing)
Atmosphere Must be free from corrosive gases.
Ambient storage
temperature − 25 to 70°C (with no condensation or icing)
Altitude 2,000 m max.
Pollution degree 2 or less: Conforms to JIS B3502 and IEC 61131-2.
Noise immunity 2 kV on power supply line (Conforms to IEC61000-4-4.)
Overvoltage cate-
gory Category II: Conforms to JIS B3502 and IEC 61131-2.
EMC immunity
level Zone B
Vibration resis-
tance
Conforms to IEC 60068-2-6.
5 to 8.4 Hz with 3.5-mm amplitude, 8.4 to 150 Hz, acceleration of 9.8 m/s
2
,
100 min each in X, Y, and Z directions (10 sweeps of 10 min each = 100 min
total)
*1
*1. Refer to the NX-series Digital I/O Units User’s Manual (Cat. No. W521) for the vibration and shock resistance
specifications of the Relay Output Unit.
Shock resistance
Conforms to IEC 60068-2-27. 147 m/s
2
, 3 times each in X, Y, and Z direc-
tions
*1
Applicable standards
cULus: Listed UL508 and ANSI/ISA 12.12.01
EC: EN 61131-2 and C-Tick
KC: KC Registration
3-1-2 EtherCAT Coupler Unit Specifications
Item Specification
Model NX-ECC201
Number of connectable NX
Units 63 Units max.
Communications protocol EtherCAT protocol
Modulation Baseband
Baud rate 100 Mbps
Physical layer 100BASE-TX (IEEE 802.3)
Topology Depends on the specifications of the EtherCAT master.
Transmission media
Category 5 or higher twisted-pair cable (Recommended cable:
double-shielded cable with aluminum tape and braiding)