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A - 7
Appendices
NX-series Position Interface Units User’s Manual (W524)
A-1 D
at
as
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eet
s
A
A-
1-2 Increme
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al E
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Input U
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s
NX-EC0122
Unit name
Incremental Encoder Input Units
Model
NX-EC0122
Number of channels
1 channel
Type of external con-
nections
Screwless clamping terminal block
(16 terminals)
I/O refreshing
method
*1
Free-Run refreshing, synchronous I/O refreshing, or task period prioritized refreshing
Indicators
Input signals
Counter: Phases A, B, and Z
External Inputs: 3
Input form
Voltage input (24 V)
Counting unit
Pulses
Pulse input method
Phase differential pulse (multiplication x2/4), pulse + direction inputs, or up and down pulse
inputs
Counter range
−
2,147,483,648 to 2,147,483,647 pulses
Counter functions
Counter type
Ring counter or linear counter
Counter controls
Gate control, counter reset, and counter preset
Latch function
Two external input latches and one internal latch
Measurements
Pulse rate measurement and pulse period measurement
Voltage input specifications
Input voltage
20.4 to 28.8 VDC (24 VDC
+
20%/
−
15%)
ON voltage
19.6 VDC min./3 mA min.
Input current
4.2 mA typical (24 VDC)
OFF voltage
4.0 VDC max./1 mA max.
Maximum response
frequency
Phases A and B: Single-phase 500 kHz (phase differential pulse input x4: 125 kHz), Phase Z:
125 kHz
Internal I/O com-
mon processing
PNP
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
μ
s max./2
μ
s max.
Internal I/O com-
mon processing
PNP
Dimensions
12
×
100
×
71 mm (W
×
H
×
D)
Isolation method
Photocoupler isolation
Insulation resistance
20 M
Ω
min. between isolated cir-
cuits (at 100 VDC)
Dielectric strength
510 VAC between isolated circuits
for 1 minute with leakage current of
5 mA max.
I/O power supply
method
Supplied from the NX bus.
20.4 to 28.8 VDC (24 VDC
+20%,
−
15%)
Current capacity of
I/O power supply ter-
minals
IOV: 0.3 A max. per terminal for
encoder supply section and 0.1 A
max. per terminal for other sections
IOG: 0.3 A max. per terminal for
encoder supply section and 0.1 A
max. per terminal for other sections
NX Unit power con-
sumption
0.95 W max.
Current consump-
tion from I/O power
supply
None
Weight
70 g max.
Содержание NX-EC0112
Страница 13: ...11 Manual Structure NX series Position Interface Units User s Manual W524...
Страница 34: ...Revision History 32 NX series Position Interface Units User s Manual W524...
Страница 36: ...Sections in this Manual 34 NX series Position Interface Units User s Manual W524...
Страница 70: ...2 Specifications and Application Procedures 2 14 NX series Position Interface Units User s Manual W524...
Страница 78: ...3 Part Names and Functions 3 8 NX series Position Interface Units User s Manual W524...
Страница 108: ...4 Installation and Wiring 4 30 NX series Position Interface Units User s Manual W524 Unit...
Страница 114: ...4 Installation and Wiring 4 36 NX series Position Interface Units User s Manual W524...
Страница 126: ...5 I O Refreshing Methods 5 12 NX series Position Interface Units User s Manual W524...
Страница 340: ...8 Pulse Output Units 8 76 NX series Position Interface Units User s Manual W524...
Страница 462: ...Appendices A 74 NX series Position Interface Units User s Manual W524...
Страница 463: ...I 1 I NX series Position Interface Units User s Manual W524 Index...
Страница 466: ...I 4 NX series Position Interface Units User s Manual W524 Index...