Omron NX-EC0122

9 Application Example
9 - 4
NX-series Position Interface Units User’s Manual (W524)
Unit classification Model Application Remarks
Power Supply Unit NJ-PA3001 Supplies power to the CPU
Unit.
CPU Unit NJ501-1500 Controller
EtherCAT Coupler Unit NX-ECC201 Connects Position Interface
Units to the CPU Unit.
Digital Output Unit NX-OD4256 (8-point
Transistor Output
Unit, 24 VDC, PNP)
Outputs to Servo Drive.
• RUN output
• Error reset output
NX Unit No. 1
Digital Input Unit NX-ID3417 (4-point
DC Input Unit, 12 to
24 VDC, PNP)
Inputs from Servo Drive.
• Error input
• Positioning completion input
NX Unit No. 2
Digital Input Unit NX-ID3417 (4-point
DC Input Unit, 12 to
24 VDC, PNP)
External Sensor Inputs
• Positive limit input
• Negative limit input
• Immediate stop input
• Home proximity input
NX Unit No. 3
Additional I/O Power
Supply Unit
NX-PF0630 Separates the power supplies
for the Pulse Output and Digi-
tal I/O Units.
NX Unit No. 4
This Unit separates the I/O
power supplies for the Posi-
tion Interface Units and the
other NX Units to prevent
noise.
Pulse Output Unit NX-PG0122 (PNP) Outputs to Servo Drive.
• Pulse output
• Latch input for the number of
pulses
• Error counter reset output
NX Unit No. 5