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NX-series Incremental Encoder Input Unit
NX-EC0@@@
CSM_NX-EC0____DS_E_6_6
Read position information from incremental
encoders, synchronised with the control
cycle and EtherCAT Distributed Clock.
• Process encoder input data using the MC Function Modules of the NJ
-series Machine Automation Controller.
• The time when the encoder input value is changed can be read. This
enables high-precision timing control in combination with time-stamp
outputs.
Features
• Open collector output type and line driver output type Incremental Encoders can be connected.
• High-speed remote I/O control with communications cycle as fast as 125 μs.*1
• Free-Run refreshing or Synchronous I/O refreshing, Task Period Prioritized refreshing*2, can be selected for refreshing with the NX-series
EtherCAT Coupler.
• When the MC Function Modules of the NJ/NX-series Machine Automation Controller are used, the encoder input can be used for motion control
instructions as an “axis”.
• Latch function (1 internal signal and 2 input signals from external devices)
• Pulse Period Measurement
• 32 bit counters (80000000 to 7FFFFFFF HEX)
• Maximum counting rate: 4 MHz (Line receiver: 4 MHz, Open collector: 500 kHz)
• Input edge time stamps
• The maximum and minimum counter values can be set.
*1. When using the NX-EC01@@ together with the NX701-@@@@ and NX-ECC203.
*2. Task Period Prioritized refreshing is available when the NX-ECC203 is used together.
System Configuration
Support Software (Sysmac Studio)
EtherCAT master (NJ/NX-series CPU Unit)
Connection to the peripheral USB port
or built-in EtherNet/IPTM port on an
NJ/NX-series CPU Unit
EtherCAT
communications cable
Incremental Encoder Input Unit
EtherCAT Coupler Unit
I/O power
supply
*1
External input
(latch input 1, latch input 2, gate input, or reset input)
Incremental encoder
*1. You can specify functions for up to two external inputs to a One-input Incremental Encoder Input Unit. You cannot use external inputs for a
Two-input Unit.
Sysmac is a trademark or registered trademark of OMRON Corporation in Japan and other countries for OMRON factory automation products.
EtherCAT® is a registered trademark of Beckhoff Automation GmbH for their patented technology. Other company names and product names in this document are the
trademarks or registered trademarks of their respective companies.
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NX-EC0@@@
Ordering Information
International Standards
• The standards are abbreviated as follows: U: UL, U1: UL(Class I Division 2 Products for Hazardous Locations), C: CSA, UC: cULus, UC1: cULus
(Class I Division 2 Products for Hazardous Locations), CU: cUL, N: NK, L: Lloyd, CE: EC Directives, and KC: KC Registration.
• Contact your OMRON representative for further details and applicable conditions for these standards.
Specification
Unit type
Product
Name
Incremental
Encoder
Input
Units
NX Series
Position
Interface Unit
Number of
channels
1 (NPN)
Maximum
response
frequency
External
inputs
I/O refreshing
method *
Number of
I/O entry
mappings
3 (NPN)
24-V voltage
input
500 kHz
1 (PNP)
3 (PNP)
3 (NPN)
1
4 MHz
3 (PNP)
2 (NPN)
None
Remarks
• Free-Run
refreshing
• Synchronous I/O
refreshing
• Task period
prioritized
refreshing
500 kHz
Model
NX-EC0112
UC1, CE, KC
NX-EC0122
UC1, N, L,
CE, KC
NX-EC0132
UC1, CE, KC
NX-EC0142
UC1, N, L,
CE, KC
1/1
Line receiver
input
24-V voltage
input
2/2
2 (PNP)
Standards
NX-EC0212
UC1, CE, KC
NX-EC0222
UC1, N, L,
CE, KC
* Refer to information on the I/O refreshing methods in the W524 manual for the communications cycles for each model.
Option
Product Name
Unit/Terminal Block
Coding Pins
Specification
For 10 Units
(Terminal Block: 30 pins, Unit: 30 pins)
Model
Standards
NX-AUX02
−
Model
Standards
Specification
Product Name
No. of terminals
Terminal Block
Terminal number
indications
12
A/B
16
A/B
12
C/D
Ground terminal
mark
Terminal current
capacity
NX-TBA122
None
10 A
NX-TBA162
−
NX-TBB122
Accessories
Not included.
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General Specification
Item
Grounding method
Operating
environment
Specification
Mounted in a panel
Enclosure
Ground to less than 100 Ω
Ambient operating temperature
0 to 55°C
Ambient operating humidity
10% to 95% (with no condensation or icing)
Atmosphere
Must be free from corrosive gases.
Ambient storage temperature
-25 to 70°C (with no condensation or icing)
Altitude
2,000 m max.
Pollution degree
Pollution degree 2 or less: Conforms to JIS B3502 and IEC 61131-2.
Noise immunity
Conforms to IEC61000-4-4, 2 kV (power supply line)
Overvoltage category
Category II: Conforms to JIS B3502 and IEC 61131-2.
EMC immunity level
Zone B
Vibration resistance
Conforms to IEC 60068-2-6.
5 to 8.4 Hz with 3.5-mm amplitude, 8.4 to 150 Hz, acceleration of 9.8 m/s2, 100 min each in X,
Y, and Z directions (10 sweeps of 10 min each = 100 min total)
Shock resistance
Conforms to IEC 60068-2-27. 147 m/s2, 3 times each in X, Y, and Z directions
Applicable standards
cULus: Listed UL508 and ANSI/ISA 12.12.01
EC: EN 61131-2 and C-Tick, KC Registration, NK, LR
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Specification
● Incremental Encoder Input Units
NX-EC0112
Unit name
Incremental Encoder Input Units
Model
NX-EC0112
Number of channels
1 channel
Type of external
connections
Screwless clamping terminal block
(16 terminals)
I/O refreshing method
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 common
processing
NPN
External input specifications
Input voltage
20.4 to 28.8 VDC (24 VDC +20%, −15%)
ON voltage/ON current
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 common
processing
NPN
Dimensions
12 × 100 × 71 mm (W×H×D)
Isolation method
Photocoupler isolation
Insulation resistance
20 MΩ min. between isolated circuits
(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 terminals
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 consumption
0.85 W max.
Current consumption from
I/O power supply
None
Weight
70 g max.
Encoder Input and External Inputs
IOV
Circuit layout
Terminal block
Current limiter
A, B, Z
I0 to I2
Internal
circuits
IOG
Left-side
NX bus
connector
Installation orientation and
restrictions
I/O power supply +
I/O power supply +
I/O power supply −
I/O power supply −
Right-side
NX bus
connector
Installation orientation: 6 possible orientations
Restrictions: There are no restrictions.
* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.
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Encoder
A
Sensor 1
Terminal connection diagram
Sensor 3
Failure detection
None
B
Z
NC
IOV
IOV
IOG
IOG
I0
I1
I2
NC
IOV
IOV
IOG
IOG
Protection
Sensor 2
None
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NX-EC0122
Unit name
Incremental Encoder Input Units
Model
NX-EC0122
Number of channels
1 channel
Type of external
connections
Screwless push-in terminal block
(16 terminals)
I/O refreshing method
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 difference 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)
4.0 VDC max./1 mA max.
Maximum response
frequency
Phases A and B: Single-phase 500 kHz (phase difference pulse input x4: 125 kHz), Phase Z: 125 kHz
Internal I/O common
processing
PNP
OFF voltage
External input specifications
Input voltage
20.4 to 28.8 VDC (24 VDC +20%/−15%) ON voltage/ON current
Input current
4.6 mA typical (24 VDC)
ON/OFF response time
1 μs max./2 μs max.
Internal I/O common
processing
PNP
15 VDC min./3 mA min.
OFF voltage/OFF
current
4.0 VDC max./1 mA max.
Dimensions
12 × 100 × 71 mm (W×H×D)
Isolation method
Photocoupler isolation
Insulation resistance
20 MΩ min. between isolated circuits
(at 100 VDC)
Dielectric strength
510 VAC between isolated circuits for 1
minute with leakage current of 5 mA max.
I/O power supply source
Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%/−15%)
Current capacity of
I/O power supply
terminals
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
Current consumption
from I/O power supply
None
NX Unit power consumption 0.95 W max.
Weight
70 g max.
Encoder Input and External Inputs
IOV
Terminal block
A, B, Z
I0 to I2
Circuit layout
IOG
Left-side
NX bus
connector
Current limiter
Internal
circuits
I/O power supply +
I/O power supply +
I/O power supply −
I/O power supply −
Right-side
NX bus
connector
Installation orientation
Installation orientation: 6 possible orientations
and restrictions
Restrictions: There are no restrictions.
* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.
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Encoder
A
Terminal connection
diagram
Sensor 1
Sensor 3
Failure detection
None
B
Z
NC
IOV
IOV
IOG
IOG
I0
I1
I2
NC
IOV
IOV
IOG
IOG
Sensor 2
Protection
None
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NX-EC0@@@
NX-EC0132
Unit name
Incremental Encoder Input Units
Model
NX-EC0132
Number of channels
1 channel
Type of external
connections
Screwless clamping terminal block
(12 terminals × 2)
I/O refreshing method
Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
132
Indicators
Input signals
Counter: Phases A, B, and Z
External Inputs: 3
Input form
Line receiver input
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
Line driver specifications
Input voltage
EIA standard RS-422-A line driver levels
High level input voltage
VIT+: 0.1 V min.
Input impedance
120 Ω ± 5%
Low level input voltage
VIT−: −0.1 V min.
Hysteresis voltage
Vhys (VIT+ − VIT−): 60 mV
Maximum response
frequency
Phases A and B: Single-phase 4 MHz (phase differential pulse input x4: 1 MHz), Phase Z: 1 MHz
5-V power supply for
encoder
Output voltage: 5 VDC ±5%
Output current: 500 mA max.
External input specifications
Input voltage
20.4 to 28.8 VDC (24 VDC +20%, −15%)
ON voltage/ON current
15 VDC min./3 mA min.
Input current
3.5 mA typical (24 VDC)
OFF voltage/OFF current
5.0 VDC max./1 mA max.
ON/OFF response time
1 μs max./1 μs max.
Internal I/O common
processing
NPN
Dimensions
12 × 100 × 71 mm (W×H×D)
Isolation method
Digital isolator
Insulation resistance
20 MΩ min. between isolated circuits
(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 terminals
IOV: 0.1 A max. per terminal
IOG: 0.1 A max. per terminal
NX Unit power consumption
0.95 W max.
Current consumption from
I/O power supply
Unit current consumption: 30 mA max.
Consumption from encoder 5-V power supply:
Encoder current consumption
*0.28 mA
Weight
130 g max.
* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.
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Encoder Input
No isolation: 5 V
Isolation
circuit
A-, B-, ZTerminal
block
120 Ω
A+, B+, Z+
Internal
circuits
Encoder power supply output, 5 V
Encoder power supply output, 0 V
No isolation: 5 V GND
Nonisolated
power
supply
Circuit layout
Left-side
NX bus
connector
Terminal
block
No isolation: 5 V
No isolation: 5 V GND
I/O power supply +
I/O power supply +
I/O power supply −
I/O power supply −
Right-side
NX bus
connector
External Inputs
Power
supply
IOV
Terminal block
A, B, Z
I0 to I2
Isolation
circuit
Current limiter
IOG
Left-side
NX bus
connector
Installation orientation and
restrictions
Internal
circuits
I/O power supply +
I/O power supply +
I/O power supply −
I/O power supply −
Right-side
NX bus
connector
Installation orientation: 6 possible orientations
Restrictions: There are no restrictions.
Sensor 1
Sensor 2
I0
I1
A+
B+
IOV
IOV
A-
B-
IOG
IOG
Z+
5V
I2
NC
Z-
0V
IOV
NC
NC
NC
IOG
NC
NC
NC
Encoder
Terminal connection diagram
Sensor 3
Failure detection
None
Protection
None
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NX-EC0@@@
NX-EC0142
Unit name
Incremental Encoder Input Units
Model
NX-EC0142
Number of channels
1 channel
Type of external
connections
Screwless push-in terminal block
(12 terminals × 2)
I/O refreshing method
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
Line receiver input
Counting unit
Pulses
Pulse input method
Phase difference 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
Line driver specifications
Input voltage
EIA standard RS-422-A line driver levels High level input voltage VIT+: 0.1 V min.
Input impedance
120 Ω ± 5%
Hysteresis voltage
Vhys (VIT+ − VIT−): 60 Mv
Maximum response
frequency
Phases A and B: Single-phase 4 MHz (phase difference pulse input x4: 1 MHz), Phase Z: 1 MHz
5-V power supply for
encoder
Output voltage: 5 VDC
Output current: 500 mA max.
Low level input voltage
VIT−: −0.1 V min.
External input specifications
Input voltage
20.4 to 28.8 VDC (24 VDC +20%/.15%)
ON voltage/ON current
15 VDC min./3 mA min.
Input current
3.5 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 common
processing
PNP
Dimensions
12 × 100 × 71 mm (W×H×D)
Isolation method
Photocoupler isolation
Insulation resistance
20 MΩ min. between isolated circuits (at
100 VDC)
Dielectric strength
510 VAC between isolated circuits for 1
minute with leakage current of 5 mA max.
I/O power supply source
Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%/−15%)
Current capacity of
I/O power supply
terminals
IOV: 0.1 A max. per terminal
IOG: 0.1 A max. per terminal
Current consumption
from I/O power supply
Unit current consumption: 30 mA max.
Consumption from encoder 5-V power supply:
Encoder current consumption
*0.28 mA
NX Unit power consumption 1.05W max.
Weight
130 g max.
* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.
10
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Encoder Input
No isolation: 5 V
Isolation
circuit
A-, B-, Z120 Ω
Terminal block
A+, B+, Z+
Internal
circuits
No isolation: 5 V GND
Nonisolated
power
supply
Circuit layout
Left-side
NX bus
connector
No isolation: 5 V
No isolation: 5 V GND
I/O power supply +
I/O power supply +
I/O power supply −
I/O power supply −
Right-side
NX bus
connector
External Inputs
IOV
Terminal block
Power
A, B, Z
I0 to I2
Isolation
circuit
Current limiter
IOG
Left-side
NX bus
connector
Installation orientation and
restrictions
I/O power supply +
I/O power supply +
I/O power supply −
I/O power supply −
Right-side
NX bus
connector
Installation orientation: 6 possible orientations
Restrictions: There are no restrictions.
I0
Sensor 1
Sensor 2
Terminal connection
diagram
Failure detection
Internal
circuits
Sensor 3
None
I1
A+
B+
IOV
IOV
A-
B-
IOG
IOG
Z+
5V
I2
NC
Z-
0V
IOV
NC
NC
NC
IOG
NC
NC
NC
Protection
Encoder
None
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NX-EC0@@@
NX-EC0212
Unit name
Incremental Encoder Input Units
Model
NX-EC0212
Number of channels
2 channels
Type of external
connections
Screwless clamping terminal block
(12 terminals)
I/O refreshing method
Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators
Input signals
Counter: Phases A, B, and Z
External Inputs: None
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 common
processing
NPN
External input specifications
Input voltage
---
ON voltage/ON current
---
Input current
---
OFF voltage/OFF current
---
ON/OFF response time
---
Internal I/O common
processing
---
Dimensions
12 × 100 × 71 mm (W×H×D)
Isolation method
Photocoupler isolation
Insulation resistance
20 MΩ min. between isolated circuits (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 terminals
IOV: 0.3 A max. per terminal
IOG: 0.3 A max. per terminal
NX Unit power consumption
0.85 W max.
Current consumption from
I/O power supply
None
Weight
70 g max.
Encoder Input
IOV
Circuit layout
Terminal block
Current limiter
A1, B1, Z1
A2, B2, Z2
Internal
circuits
IOG
Left-side
NX bus
connector
Installation orientation and
restrictions
I/O power supply +
I/O power supply +
I/O power supply −
I/O power supply −
Right-side
NX bus
connector
Installation orientation: 6 possible orientations
Restrictions: There are no restrictions.
* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.
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Encoder 1
A1
Terminal connection diagram
Encoder 2
Failure detection
None
B1
Z1
NC
IOV
IOV
IOG
IOG
A2
B2
Z2
NC
Protection
None
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NX-EC0222
Unit name
Incremental Encoder Input Units
Model
NX-EC0222
Number of channels
2 channels
Type of external
connections
Screwless push-in terminal block
(12 terminals)
I/O refreshing method
Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators
Input signals
Counter: Phases A, B, and Z
External Inputs: None
Input form
Voltage input (24 V)
Counting unit
Pulses
Pulse input method
Phase difference 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)
4.0 VDC max./1 mA max.
Maximum response
frequency
Phases A and B: Single-phase 500 kHz (phase difference pulse input x4: 125 kHz), Phase Z: 125 kHz
Internal I/O common
processing
PNP
OFF voltage
External input specifications
Input voltage
Input current
−−−
ON voltage/ON current
−−−
−−−
OFF voltage/OFF
current
−−−
ON/OFF response time
−−−
Internal I/O common
processing
−−−
Dimensions
12 × 100 × 71 mm (W×H×D)
Isolation method
Photocoupler isolation
Insulation resistance
20 MΩ min. between isolated circuits (at
100 VDC)
Dielectric strength
510 VAC between isolated circuits for 1
minute with leakage current of 5 mA max.
I/O power supply source
Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%/−15%)
Current capacity of
I/O power supply
terminals
IOV: 0.3 A max. per terminal
IOG: 0.3 A max. per terminal
Current consumption
from I/O power supply
None
NX Unit power consumption 0.95 W max.
Weight
70 g max.
Encoder Input
IOV
Terminal block
A1, B1, Z1
A2, B2, Z2
Current limiter
Circuit layout
IOG
Left-side
NX bus
connector
Installation orientation and
restrictions
Internal
circuits
I/O power supply +
I/O power supply +
I/O power supply −
I/O power supply −
Right-side
NX bus
connector
Installation orientation: 6 possible orientations
Restrictions: There are no restrictions.
* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.
14
NX-EC0@@@
Encoder 1
A1
Terminal connection
diagram
Encoder 2
Failure detection
None
B1
Z1
NC
IOV
IOV
IOG
IOG
A2
B2
Z2
NC
Protection
None
Version Information
NX Units
Corresponding unit versions/versions *1
EtherCAT Coupler Units
NX-ECC20@
Model
Unit Version
NX-EC0112
Ver.1.1
Ver.1.10 or higher
Ver.1.0
Ver.1.07 or higher
Ver.1.1
Ver.1.08 or higher
NX-EC0122
NX-EC0132
NX-EC0142
NX-EC0212
NX-EC0222
NJ/NX-series CPU Units
Ver.1.1
Ver.1.0
Sysmac Studio
Ver.1.10 or higher
Ver.1.1 or later
Ver.1.06 or later *2
Ver.1.07 or higher
Ver.1.1
Ver.1.08 or higher
Ver.1.1
Ver.1.10 or higher
Ver.1.0
Ver.1.07 or higher
Ver.1.1
Ver.1.08 or higher
*1. Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version, support is provided by the oldest
available version after the specified version. Refer to the user’s manuals for the specific Units for the relation between models and versions.
*2. You can use the following versions if time stamp refreshing is not used.
EtherCAT Coupler Unit: Version 1.0
NJ-series CPU Unit: Version 1.05
15
NX-EC0@@@
External Interface
NX-EC0112/-EC0122/-EC0212/-EC0222
(B)
(C)
(A)
NX-EC0132/-EC0142
(B)
(C)
(A)
Letter
Item
Specification
(A)
NX bus connector
This connector is used to connect to another Unit.
(B)
Indicators
The indicators show the current operating status of the Unit.
(C)
Terminal block
The terminal block is used to connect to external devices.
The number of terminals depends on the Unit.
16
NX-EC0@@@
Terminal Blocks
(A)
A
B
A
A
B
B
C
A1
B1
A1
B1
A1
D1
A2
B2
A2
B2
A2
D2
A3
B3
A3
B3
A3
D3
A4
B4
A4
B4
A4
D4
A5
B5
A5
B5
A5
D5
A6
B6
A6
B6
A6
D6
A7
B7
A7
B7
A7
D7
A8
B8
A8
B8
A8
12 mm wide
12 terminals
(C)
D8
C
Letter
(B)
D
D
24 mm wide
12 terminals × 2
12 mm wide
16 terminals
Item
Specification
The terminal number is identified by a column (A through D) and a row (1 through 8).
Therefore, terminal numbers are written as a combination of columns and rows, A1 through A8 and
B1 through B8.
For a 24-mm-wide terminal block, the left side contains terminals A1 through A8 and B1 through B8.
The right side contains terminals C1 through C8 and D1 through D8.
The terminal number indication is the same regardless of the number of terminals on the terminal
block, as shown above.
(A)
Terminal number indication
(B)
Release hole
A flat-blade screwdriver is inserted here to attach and remove the wiring.
(C)
Terminal hole
The wires are inserted into these holes.
Applicable Terminal Blocks for Each Unit Model
Terminal Blocks
Unit model
Model
No. of terminals
Terminal number
indications
Ground terminal
mark
Terminal current
capacity
NX-EC0122
NX-TBA162
16
A/B
None
10 A
NX-EC0222
NX-TBA122
12
A/B
None
10 A
None
10 A
NX-EC0142
NX-TBA122
NX-TBB122
12
A/B
C/D
17
NX-EC0@@@
Applicable Wires
Using Ferrules
If you use ferrules, attach the twisted wires to them.
Observe the application instructions for your ferrules for the wire stripping length when attaching ferrules.
Always use plated one-pin ferrules. Do not use unplated ferrules or two-pin ferrules.
The applicable ferrules, wires, and crimping tool are given in the following table.
Terminal types
Manufacturer
Terminals other
than ground
terminals
Phoenix
Contact
Applicable wire
(mm2 (AWG))
Ferrule model
AI0,34-8
0.34 (#22)
AI0,5-8
0.5 (#20)
Crimping tool
Phoenix Contact (The figure in parentheses is the applicable wire
size.)
CRIMPFOX 6 (0.25 to 6 mm2, AWG 24 to 10)
AI0,5-10
AI0,75-8
0.75 (#18)
AI0,75-10
AI1,0-8
1.0 (#18)
AI1,0-10
AI1,5-8
1.5 (#16)
AI1,5-10
Ground
terminals
Terminals other
than ground
terminals
Weidmuller
AI2,5-10
2.0 *1
H0.14/12
0.14 (#26)
H0.25/12
0.25 (#24)
H0.34/12
0.34 (#22)
H0.5/14
0.5 (#20)
Weidmueller (The figure in parentheses is the applicable wire size.)
PZ6 Roto (0.14 to 6 mm2, AWG 26 to 10)
H0.5/16
H0.75/14
0.75 (#18)
H0.75/16
H1.0/14
1.0 (#18)
H1.0/16
H1.5/14
1.5 (#16)
H1.5/16
*1. Some AWG 14 wires exceed 2.0 mm2 and cannot be used in the screwless clamping terminal block.
When you use any ferrules other than those in the above table, crimp them to the twisted wires so that the following processed dimensions are
achieved.
8 to 10 mm
1.6 mm max.
(Terminals other than ground terminals)
2.4 mm max.
(Terminals other than ground terminals)
2.7 mm max.
(Ground terminals)
2.0 mm max.
(Ground terminals)
Using Twisted Wires/Solid Wires
If you use the twisted wires or the solid wires, use the following table to determine the correct wire specifications.
Terminals
Classification
Current capacity
Wire type
Twisted wires
Plated
2 A max.
All terminals except
ground terminals
Ground terminals
Greater than
2 A and 4 A or less
Possible
Greater than
4A
Possible
*1
---
Possible
Solid wire
Unplated
Plated
Unplated
Possible
Possible
Possible
Not
Possible
Possible
Possible
*1
Not
Possible
Possible
*2
Not
Possible
Possible
*2
Wire size
Conductor length
(stripping length)
0.08 to 1.5 mm2
AWG28 to 16
8 to 10 mm
2.0 mm2
9 to 10 mm
*1 Secure wires to the screwless clamping terminal block. Refer to the Securing Wires in the USER'S MANUAL for how to secure wires.
*2 With the NX-TB@@@1 Terminal Block, use twisted wires to connect the ground terminal. Do not use a solid wire.
Conductor length (stripping length)
<Additional Information> If more than 2 A will flow on the wires, use plated wires or use ferrules.
18
NX-EC0@@@
Dimensions
(Unit: mm)
NX-EC0112/-EC0122/-EC0212/-EC0222
14.1
0.55
1.5
100
104.5
1.5
12.0
65.2
71
80.1
NX-EC0132/-EC0142
26.1
0.55
D
C
D
1.5
100
C
104.5
1.5
24.0
65.2
71
80.1
Related Manuals
Man. No
W524
Model
NX-EC0@@@
NX-ECS@@@
NX-PG0@@@
Manual
NX-series Position
Interface Units User’s
Manual
Application
Description
Learning how to use NX-series The hardware, setup methods, and
Position Interface Units
functions of the NX-series Incremental
Encoder Input Units, SSI Input Units, and
Pulse Output Unit are described.
19
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2016.4
In the interest of product improvement, specifications are subject to change without notice.
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http://www.ia.omron.com/
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