Omron, NX-ECC Series

• Up to 63 NX-IO units can be connected to one EtherCAT coupler unit. Standard and high-performance units can be mixed.

• High-speed remote I/O control is possible at the fastest communication cycle of 125 µs.

• Each coupler plus its I/O form just a single EtherCAT node on the network.

• I/O control and safety control can be integrated by connecting units for safety.

• The coupler supports the EtherCAT distributed clock (DC) and propagates this to synchronous I/O units.

• The node address can be fixed by rotary switches, or set by software. Choose the method that best suits your way of engineering.

• Slave configuration by Sysmac studio can be done centrally via the controller, or on-the-spot using the coupler's built-in USB port.

1. Input per coupler unit: maximum 1024 bytes, output per coupler unit: maximum 1024 bytes
2. NX7-[][][][] and NX-ECC203 combined

Sysmac is a trademark or registered trademark of OMRON corporation in Japan and other countries for OMRON factory automation products.
EtherCAT® is a registered trademark of beckhoff Automation GmbH for their patented technology. EtherNet/IP™ is the trademarks of ODVA.
Other company names and product names in this document are the trademarks or registered trademarks of their respective companies.

Item		Specification
Enclosure		Mounted in a panel
Grounding method		Ground to 100 Ω or less
Operating environment	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	Pollution degree 2 or less: Conforms to JIS B3502 and IEC 61131-2.
	Noise immunity	Conforms to IEC61000-4-4. 2 kV (power supply line)
	Overvoltage category	Category II: Conforms to JIS B3502 and IEC 61131-2.
	EMC immunity level	Zone B
	Vibration resistance	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/s², 100 min each in X, Y, and Z directions (10 sweeps of 10 min each = 100 min total)
	Shock resistance	Conforms to IEC 60068-2-27. 147 m/s², 3 times each in X, Y, and Z directions
Applicable standards *		cULus: Listed (UL 508 or UL61010-2-201), ANSI/ISA 12.12.01, EU: EN 61131-2, C-Tick or RCM, KC Registration, NK, and LR

* Consult your OMRON representative for the most recent applicable standards for each model.

Specifications

EtherCAT Coupler Unit NX-ECC201/NX-ECC202/NX-ECC203

Item		Specification
Item		NX-ECC201	NX-ECC202	NX-ECC203
Number of connectable NX Units		63 Units max. *1
Send/receive PDO data sizes		Input: 1,024 bytes max. (including input data, status, and unused areas) Output: 1,024 bytes max. (including output data and unused areas)
Mailbox data size		Input: 256 bytes Output: 256 bytes
Mailbox		Emergency messages and SDO requests
*Refreshing methods 2**		• Free-Run refreshing • Synchronous I/O refreshing • Time stamp refreshing		• Free-Run refreshing • Synchronous I/O refreshing • Time stamp refreshing • Task period prioritized refreshing
Node address setting range		When the settable node address range for the built-in EtherCAT port is 1 to 512 *3 • Set on switches: 1 to 199 • Set with the Sysmac Studio: 1 to 512
Node address setting range		When the settable node address range for the built-in EtherCAT port is 1 to 192 *3 • Set on switches: 1 to 192 • Set with the Sysmac Studio: 1 to 192
I/O jitter performance		Inputs: 1 μs max. Outputs: 1 μs max.
Communications cycle in DC Mode		250 to 4,000 μs4 5		125 to 10,000 μs4 5 *6
Unit power supply *7	Power supply voltage	24 VDC (20.4 to 28.8 VDC)
	NX Unit power supply capacity	10 W max. Refer to Installation orientation and restrictions for details.
	NX Unit power supply efficiency	70%
	Isolation method	No isolation between NX Unit power supply and Unit power supply terminals
	Current capacity of power supply terminals	4 A max.
I/O power supply *7	Power supply voltage	5 to 24 VDC (4.5 to 28.8 VDC) *8
	Maximum I/O power supply current	4 A	10 A
	Current capacity of power supply terminals	4 A max.	10 A max.
NX Unit power consumption		1.45 W max.		1.25 W max.
Current consumption from I/O power supply		10 mA max. (for 24 VDC)
Dielectric strength		510 VAC for 1 min, leakage current: 5 mA max. (between isolated circuits)
Insulation resistance		100 VDC, 20 MΩ min. (between isolated circuits)
External connection terminals		Communications Connector For EtherCAT communications. • RJ45 × 2 (shielded) • IN: EtherCAT input data, OUT: EtherCAT output data
		Screwless Clamping Terminal Block For Unit power supply, I/O power supply, and grounding. Removable.
		Peripheral USB Port For Sysmac Studio connection. • Physical layer: USB 2.0-compliant, B-type connector • Transmission distance: 5 m max.
Dimensions		46 × 100 × 71 mm (W×H×D)
Weight		170 g max.
Installation orientation and restrictions		Installation orientation: 6 possible orientations Restrictions: Used in the upright installation orientation. Used in another orientation other than the upright installation orientation.
Circuit layout
Terminal arrangement
Accessory		End Cover (NX-END01): 1

1. Refer to the NX-series Safety Control Units User’s Manual (Cat. No. Z930) for the number of Safety Control Units that can be connected.

2. This function was added or improved for a version upgrade. Refer to the NX-series EtherCAT Coupler Unit User’s Manual (Cat. No. W519) for information on version upgrades.

3. The range of node addresses that can be set depends on the model of the built-in EtherCAT port. For the node address ranges that can be set for a built-in EtherCAT port, refer to the user's manual for the built-in EtherCAT port on the connected CPU Unit or Industrial PC.

4. This depends on the specifications of the EtherCAT master. For example, the values are as follows when the EtherCAT Coupler Unit is connected to the built-in EtherCAT port on an NJ5-series CPU Unit: 500 μs, 1,000 μs, 2,000 μs, and 4,000 μs. For the specifications of the built-in EtherCAT port, refer to the user's manual for the built-in EtherCAT port on the connected CPU Unit or the Industrial PC.

5. This depends on the Unit configuration.

6. There are restrictions in the communications cycles that you can set for some of the NX Units. If you use any of those NX Units, set a communications cycle that will satisfy the specifications for the refresh cycles that can be executed by the NX Unit. Refer to the appendix of the NX-series Data Reference Manual (Cat. No. W525-E1-07 or later) to see if there are restrictions on any specific NX Units. For information on the communications cycles that you can set, refer to the user’s manuals for the NX Units.

7. Refer to the NX-series EtherCAT Coupler Unit User’s Manual (Cat. No. W519) for procedures for designing the Unit power supply system and I/O power supply system.

8. Use a voltage that is appropriate for the I/O circuits of the NX Units and the connected external devices.

EtherCAT Communications Specifications

Item	Specification
Communications standard	IEC 61158 Type 12
Physical layer	100BASE-TX (IEEE 802.3)
Modulation	Baseband
Baud rate	100 Mbps
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)
Transmission distance	Distance between nodes: 100 m or less

Version Information

Model number of EtherCAT Coupler Unit	Unit version	*Corresponding versions 1**
		Using an NX-series CPU Unit		Using an NJ-series CPU Unit		Using an NY-series Industrial PC
		Unit version of CPU Unit	Sysmac Studio version	Unit version of CPU Unit	Sysmac Studio version	Unit version of Industrial PC	Sysmac Studio version
NX-ECC201	Ver. 1.2	Ver. 1.10 or later	Ver. 1.13 or higher	Ver. 1.07 or later	Ver. 1.08 or higher	Ver. 1.12 or later	Ver. 1.17 or higher
	Ver. 1.1			Ver. 1.06 or later	Ver. 1.07 or higher
	Ver. 1.0			Ver. 1.05 or later	Ver. 1.06 or higher
NX-ECC202	Ver. 1.2 *2			Ver. 1.07 or later	Ver. 1.08 or higher
NX-ECC203	Ver. 1.5		Ver. 1.19 or higher		Ver. 1.19 or higher		Ver. 1.19 or higher
	Ver. 1.4		Ver. 1.16 or higher		Ver. 1.16 or higher		Ver. 1.17 or higher
	Ver. 1.3 *3		Ver. 1.13 or higher		Ver. 1.13 or higher		Ver. 1.17 or higher

1. Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version, support is provided by the oldest available version after the specified version. Refer to the user's manuals for the specific Units for the relation between models and versions.

2. For the NX-ECC202, there is no unit version of 1.1 or earlier.

3. For the NX-ECC203, there is no unit version of 1.2 or earlier.

EtherCAT coupler unit

EtherCAT coupler unit only

* The dimension is 1.35 mm for units with lot numbers.

With cables connected

1. This dimension depends on the specifications of the commercially available USB cable. Check the specifications of the USB cable that is used.
2. This is the dimension from the back of the unit to the communications cables.
3. 100 mm: When an MPS588-C connector is used.
4. 120 mm: When an XS6G-T421-1 Connector is used.

End Cover

* This is the shape for Units with lot number

TITLE	DOCUMENT TYPE	SIZE
NX-ECC	Catalog	2535 KB
NX-series I/O System	Catalog	3883 KB