Datasheet

4 Remote I/O
EtherNet/IP communication coupler unit
Item Specifications
Model NX-EIC202
Number of connectable NX units 63 units max.
*1
*1. Refer to the NX-safety control units user’s manual (Cat.No. Z930) for the number of safety control units that can be connected.
Communication protocols EtherNet/IP protocol
UDP/IP and TCP/IP (Message Services)
No. off buffers (sockets): 8 message buffers for servers. No message buffer for client. Shared buffers
for UDP/IP and TCP/IP messages.
Max. message size: Request 492 bytes / Response 496 bytes
Max. NX output data size: 490 bytes
Max. NX input data size: 496 bytes
Number of connections 8
Received packet interval (RPI, refresh cycle) 4 to 1,000 ms
Allowed communications bandwidth per unit 1,000 pps
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 Voltage 24 VDC (20.4 to 28.8 VDC)
Capacity 10 W max.
Efficiency 70%
Isolation method No isolation between NX unit power supply and unit power supply terminals
Unwired terminal current capacity 4 A max.
I/O power supply Voltage 5 to 24 VDC (4.5 to 28.8 VDC)
*2
*2. Use an output voltage that is appropriate for the I/O circuits of the NX units and the connected external devices.
Maximum I/O current 10 A
Terminal current capacity 10 A max.
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 M min. (between isolated circuits)
External connection terminals Connector for EtherNet/IP communications:
RJ45 × 2 (shielded)
Screwless push-in terminal (8 terminals)
For power supply unit, 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.
Terminal block type Screwless push-in terminal
8 terminals (A + B with FG)
Dimensions (W x H x D) 46 × 100 × 71 mm
Weight 150 g max.
Terminal wiring
NX-EIC202
IOV
UG
UV
IOG
UV
UG
A1
A8
B1
B8
UV
UV
UG
UG
IOV
IOG
DIN track contact plate
UNIT PWR LED
I/O PWR LED
Circuit layout
NX-EIC202
Peripheral
USB port
IN communications
connector
OUT communications
connector
Terminal
block
Internal
circuits
Non-isolated
power supply
circuits
NX unit
power supply +
NX unit
power supply –
I/O power supply +
I/O power supply –
NX bus
connector
Unit power supply
(24 VDC)
I/O power supply
(5 to 24 VDC)
Ground to 100 Ω
or less
Through-wiring
for unwired
terminals.