Appendices
A - 24
NX-series Position Interface Units User’s Manual (W524)
NX-PG0112
Unit name Pulse Output Units Model NX-PG0112
Number of axes
1
Type of external con-
nections
Screwless clamping terminal block
(16 terminals)
I/O refreshing
method
*1
Synchronous I/O refreshing or task period prioritized refreshing
Indicators
Refer to NX-PG0112 and
NX-PG0122 on page 8-13.
I/O signals
Inputs: 2, External inputs
Outputs: 3, The outputs are the for-
ward direction pulse output, reverse
direction pulse output, and external
output (one of each output).
Control method Open-loop control through pulse string output
Controlled drive Servo drive with a pulse string input or a stepper motor drive
Pulse output form Open collector output
Unit of control Pulses
Maximum pulse out-
put speed
500 kpps
Pulse output method Forward/reverse direction outputs or Pulse + direction outputs
Position control range −2,147,483,648 to 2,147,483,647 pulses
Velocity control range 1 to 500,000 pps
Positioning
*2
Single-axis position
control
Absolute positioning, relative positioning, and interrupt feeding
Single-axis velocity
control
Velocity control (velocity feeding in Position Control Mode)
Single-axis synchro-
nized control
Cam operation and gear operation
Single-axis manual
operation
Jogging
Auxiliary function
for single-axis con-
trol
Homing, stopping, and override changes
External input specifications
Input voltage
20.4 to 28.8 VDC (24 VDC
+20%/−15%)
ON voltage/ON cur-
rent
15 VDC min./3 mA min.
Input current
4.6 mA typical (24 VDC)
OFF voltage/OFF
current
4.0 VDC max./1 mA max.
ON/OFF response
time
1 μs max./2 μs max.
Internal I/O com-
mon processing
NPN
Pulse output and external output specifications
Rated voltage 24 VDC
Load voltage range 15 to 28.8 VDC Residual voltage 1.0 V max.
Maximum load cur-
rent
30 mA
Leakage current
0.1 mA max.
ON/OFF response
time
Pulse output: Refer to 8-11-2 Pulse Output Specifications on page 8-74.
External output: 5 μs max./5 μs max.
Internal I/O com-
mon processing
NPN
Dimensions
12 × 100 × 71 mm (W×H×D)
Isolation method
External inputs: Photocoupler isola-
tion
External outputs: Digital isolator
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