Datasheet

NX-EIC
14
EtherNet/IP Coupler Unit Specifications
Item Specification
Model NX-EIC202
Number of connectable NX Units 63 Units max.*1
Communications protocols
EtherNet/IP
UDP/IP and TCP/IP (Message Services)
Number of buffers (sockets):
• 8 message buffers for server
• No message buffers for client
• Shared buffers for UDP/IP messages and TCP/IP
messages
Maximum message size:
• Request: 492 bytes
• Response: 496 bytes
Maximum NX output data size:
• 490 bytes
Maximum NX input data size:
• 496 bytes
Modulation Baseband
Link speed 100 Mbps
Physical layer 100BASE-TX (IEEE 802.3)
Number of connections 8
Received Packet Interval (RPI, refresh cycle) 4 to 1,000 ms
Allowed communications bandwidth
addressing to the local node
1,000 pps
Topology Line, Tree, Star
Ethernet Switch Layer 2 Ethernet switch
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
NX bus I/O data size
Input: 512 bytes max. (including input data, status, and unused areas)
Output: 512 bytes max. (including output data and unused areas)
EtherNet/IP I/O connection size
Input: 504 bytes max. (including input data, status, and unused areas)
Output: 504 bytes max. (including output data and unused areas)
Refreshing methods Free-Run refreshing
Unit power
supply
Power supply voltage 24 VDC (20.4 to 28.8 VDC)
NX Unit power supply capacity 10 W max.
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
Power supply voltage 5 to 24 VDC (4.5 to 28.8 VDC) *2
Maximum I/O power supply current 10 A
Current capacity of power
supply terminals
10 A max.
NX Unit power consumption 1.60 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 EtherNet/IP communications.
• RJ45 × 2 (shielded)
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 150 g max.
*1. Refer to the NX-series Safety Control Unit User's Manual (Cat. No. Z930) for the number of Safety Control Units that can be connected.
*2. Use a voltage that is appropriate for the I/O circuits of the NX Units and the connected external devices.