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3 Specifications and Application Procedures
NX-series EtherCAT Coupler Unit User’s Manual (W519)
3-1 Specifications
3
3-1-2 EtherCAT Coupler Unit Specifications
Transmission distance Distance between nodes: 100 m or less
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, SDO requests, and SDO information
Refreshing methods
• Free-Run refreshing
• Synchronous I/O refreshing
Node address setting range
1 to 192
*1
I/O jitter performance
Inputs: 1 μs max.
Outputs: 1 μs max.
Communications cycle in DC
Mode
250 to 4,000 s
*2*3
Unit power
supply
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 effi-
ciency
70%
Isolation method No isolation between NX Unit power supply and Unit power supply terminals
Current capac-
ity of power sup-
ply terminals
4 A max.
I/O power
supply
Power supply
voltage
5 to 24 VDC (4.5 to 28.8 VDC)
Maximum I/O
power supply
current
4 A
Current capac-
ity of power sup-
ply terminals
4 A max.
NX Unit power consumption 1.45 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 M 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 × 103 × 71 mm (W×H×D)
Weight 150 g max.
Item Specification
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