Page top

NX-PG0[][][]

NX-series Pulse Output Unit

NX-PG0[][][]

Positioning with Pulse Input Type Motor Drivers Such As Stepper Motor Drive

General Specification

Item Specification
Enclosure Mounted in a panel
Grounding method Ground to less than 100 Ω or less
Operating
environment
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 or UL61010-2-201), ANSI/ISA 12.12.01,
EU: EN 61131-2, C-Tick or RCM, KC (KC Registration), NK, and LR

*Consult your OMRON representative for the most recent applicable standards for each model.

Specification

Pulse Output Units (Open collector output, NPN type) NX-PG0112

Unit name Pulse Output Units Model NX-PG0112
Number of axes 1 Type of external
connections
Screwless clamping terminal
block (16 terminals)
I/O refreshing method *1 Synchronous I/O refreshing or task period prioritized refreshing
Indicators 3192_sp_3_1 I/O signals Inputs: 2, External inputs
Outputs: 3, The outputs are
the forward 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
Control unit Pulses
Maximum pulse output
speed
500kpps
Pulse output method Forward/reverse direction pulse 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
synchronized control
Cam operation and gear operation
Single-axis manual
operation
Jogging
Auxiliary function for
single-axis control
Homing, stopping, and override changes
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
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 current 30mA Leakage current 0.1 mA max.
ON/OFF response time Pulse output: Refer to “NX-series Position Interface Units User’s Manual (W524-E1)”.
External output: 5 μs max./5 μs max.
Internal I/O common
processing
NPN
Dimensions 12 × 100 × 71 mm
(W×H×D)
Isolation
method
External inputs:
Photocoupler isolation
External outputs:
Digital isolator
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric
strength
510 VAC between isolated
circuits for 1minute 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
NX Unit power
consumption
• Connected to a CPU Unit
1.15 W max.
• Connected to a Commu-
nications Coupler Unit
0.80 W max.
Current
consumption from
I/O power supply
20 mA max.
Weight 70 g max. Cable length 3 m max.
Circuit layout 3192_sp_3_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: There are no restrictions.
Terminal connection
diagram
3192_sp_3_3
Failure detection None Protection None

*1. The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU
      Unit.
*2. These functions are supported when you also use the MC Function Module in the NJ/NX-series CPU Unit or the
      NY-series Industrial PC.
      For details, refer to the motion control user’s manual for the connected CPU Unit or Industrial PC.
      A Pulse Output Unit only outputs pulses during the control period based on commands received at a fixed period.
      Target position calculations (distribution calculations) for acceleration/deceleration control or for each control
      period must be performed on the Controller.

Pulse Output Units (Open collector output, NPN type) NX-PG0122

Unit name Pulse Output Units Model NX-PG0122
Number of axes 1 Type of external
connections
Screwless push-in terminal
block (16 terminals)
I/O refreshing method *1 Synchronous I/O refreshing or task period prioritized refreshing
Indicators 3192_sp_2_1 I/O signals Inputs: 2, External inputs *2
Outputs: 3, The outputs are
the forward direction pulse
output, reverse direction
pulse output, and external
output *3 (one of each output).
Control method Open-loop control through pulse string output
Controlled drive Servo drive with a pulse train input or a stepper motor drive
Pulse output form Open collector output
Control unit Pulses
Maximum pulse output
speed
500kpps
Pulse output method Forward/reverse direction pulse 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
synchronized control
Cam operation and gear operation
Single-axis manual
operation
Jogging
Auxiliary function for
single-axis control
Homing, stopping, and override changes
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
PNP
External output specifications
Rated voltage 24 VDC
Load voltage range 15 to 28.8 VDC Residual voltage 1.0 V max.
Maximum load current 30mA Leakage current 0.1 mA max.
ON/OFF response time Pulse output: Refer to “NX-series Position Interface Units User’s Manual (W524-E1)”.
5 μs max./5 μs max.
Internal I/O common
processing
PNP
Dimensions 12 × 100 × 71 mm
(W×H×D)
Isolation
method
External inputs:
Photocoupler isolation
External outputs:
Digital isolator
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric
strength
510 VAC between isolated
circuits for 1minute 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
NX Unit power
consumption
• Connected to a CPU Unit
1.30 W max.
• Connected to a Commu-
nications Coupler Unit
0.90 W max.
Current
consumption from
I/O power supply
20 mA max.
Weight 70 g max. Cable length 3 m max.
Circuit layout 3192_sp_2_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: There are no restrictions.
Terminal connection
diagram
3192_sp_2_3
Failure detection None Protection None

*1. The I/O refreshing method is automatically set according to the connected CPU Unit or Communications Coupler
      Unit.
*2. You can use the external inputs as latch inputs.
*3. You can use the external output as error counter reset outputs.
*4. These functions are supported when you also use the MC Function Module in the NJ/NX-series CPU Unit or the
      NY-series Industrial PC.
      For details, refer to the motion control user’s manual for the connected CPU Unit or Industrial PC.
      A Pulse Output Unit only outputs pulses during the control period based on commands received at a fixed period.
      Target position calculations (distribution calculations) for acceleration/deceleration control or for each control period
      must be performed on the Controller.

Pulse Output Units (Line driver output, NPN type) 2 channels NX-PG0232-5

Unit name Pulse Output Units Model NX-PG0232-5
Number of channels 2 channels Type of external
connections
MIL connector (34 terminals ×1)
I/O refreshing method *1 Synchronous I/O refreshing or task period prioritized refreshing
Indicators 3192_sp_5_1 I/O signals Inputs: 5 per channel. External
inputs *2
Outputs: 5 per channel. 1 forward
direction pulse output, 1 reverse
direction pulse output, and
3 external outputs (per channel) *3
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 Line driver output
Unit of control Pulses
Maximum pulse output
speed
4 Mpps
Pulse output method Forward/reverse direction pulse outputs, Pulse + direction outputs, or Phase differential
pulse output multiplication x1/2/4
Position control range -2,147,483,648 to 2,147,483,647 pulses
Velocity control range 1 to 4,000,000 pps
Positioning *4
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
synchronized control
Cam operation and gear operation
Single-axis manual
operation
Jogging
Auxiliary function for
single-axis control
Homing, stopping, and override changes
External input specifications (except for line receiver inputs)
Input voltage 21.6 to 26.4 VDC (24 VDC +10%, -10%) 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 External inputs 0 and 1: 1 μs max./2 μs max.
External inputs 2 to 4: 20 μs max./400 μs max.
Internal I/O common
processing
NPN
External input specifications (line receiver inputs)
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 max.
Hysteresis voltage Vhys (VIT+ - VIT-): 60 mV
Line driver output specifications
Output voltage RS-422-A line driver level (equivalent to AM26C31)
Maximum load current 20 mA
Maximum output
frequency
4 Mpps
External output specifications
Rated voltage 24 VDC
Load voltage range 15 to 28.8 VDC Residual voltage 1.0 V max.
Maximum load current 30mA Leakage current 0.1 mA max.
ON/OFF response time External output 0: 5 μs max./5 μs max.
External outputs 1 and 2: 0.5 ms max./1 ms max.
Internal I/O common
processing
NPN
Dimensions 30 × 100 × 71 mm (W×H×D) Isolation
method
External inputs: Photocoupler
isolation
External outputs: Digital isolator
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric
strength
510 VAC between isolated circuits
for 1 minute at a leakage current
of 5 mA max.
I/O power supply source Supply from external source
20.4 to 28.8 VDC (24 VDC +20%, -15%)
Current capacity
of I/O power
supply terminals
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
1.55 W max.
• Connected to a Commu-
nications Coupler Unit
1.20 W max.
Current
consumption from
I/O power supply
50 mA max.
Weight 110 g max. Cable length Line driver outputs: 10 m max.
Other I/O: 3 m max.
Circuit layout 3192_sp_5_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: The number of external inputs that can be always ON is restricted as shown below.
3192_sp_5_3
Terminal connection
diagram
3192_sp_5_4
Failure detection None Protection None

*1. The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU
      Unit.
*2. You can use the external input 0 as a latch input.
*3. You can use the external output 0 as an error counter reset output.
*4. These functions are supported when you also use the MC Function Module in the NJ/NX-series CPU Unit or the
      NY-series Industrial PC.
      For details, refer to the motion control user’s manual for the connected CPU Unit or Industrial PC.
      A Pulse Output Unit only outputs pulses during the control period based on commands received at a fixed period.
      Target position calculations (distribution calculations) for acceleration/deceleration control or for each control period
      must be performed on the Controller.

Pulse Output Units (Line driver output, PNP type) 2 channels NX-PG0242-5

Unit name Pulse Output Units Model NX-PG0242-5
Number of channels 2 channels Type of external
connections
MIL connector (34 terminals ×1)
I/O refreshing method *1 Synchronous I/O refreshing or task period prioritized refreshing
Indicators 3192_sp_6_1 I/O signals Inputs: 5 per channel. External
inputs *2
Outputs: 5 per channel. 1 forward
direction pulse output, 1 reverse direction pulse output, and
3 external outputs (per channel) *3
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 Line driver output
Unit of control Pulses
Maximum pulse output
speed
4 Mpps
Pulse output method Forward/reverse direction pulse outputs, Phase + direction outputs, or Phase differential
pulse output multiplication x1/2/4
Position control range -2,147,483,648 to 2,147,483,647 pulses
Velocity control range 1 to 4,000,000 pps
Positioning *4
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
synchronized control
Cam operation and gear operation
Single-axis manual
operation
Jogging
Auxiliary function for
single-axis control
Homing, stopping, and override changes
External input specifications (except for line receiver inputs)
Input voltage 21.6 to 26.4 VDC (24 VDC +10%, -10%) 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 External inputs 0 and 1: 1 μs max./2 μs max.
External inputs 2 to 4: 20 μs max./400 μs max.
Internal I/O common
processing
PNP
External input specifications (line receiver inputs)
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 max.
Hysteresis voltage Vhys (VIT+ - VIT-): 60 mV
Line driver output specifications
Output voltage RS-422-A line driver level (equivalent to AM26C31)
Maximum load current 20 mA
Maximum output
frequency
4 Mpps
External output specifications
Rated voltage 24 VDC
Load voltage range 15 to 28.8 VDC Residual voltage 1.0 V max.
Maximum load current 30mA Leakage current 0.1 mA max.
ON/OFF response time External output 0: 5 μs max./200 μs max.
External outputs 1 and 2: 0.5 ms max./1 ms max.
Internal I/O common
processing
PNP
Dimensions 30 × 100 × 71 mm (W×H×D) Isolation
method
External inputs: Photocoupler
isolation
External outputs: Digital isolator
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric
strength
510 VAC between isolated circuits
for 1 minute at a leakage current
of 5 mA max.
I/O power supply source Supply from external source
20.4 to 28.8 VDC (24 VDC +20%, -15%)
Current capacity
of I/O power
supply terminals
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
1.55 W max.
• Connected to a Commu-
nications Coupler Unit
1.20 W max.
Current
consumption from
I/O power supply
50 mA max.
Weight 110 g max. Cable length Line driver outputs: 10 m max.
Other I/O: 3 m max.
Circuit layout 3192_sp_6_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: The number of external inputs that can be always ON is restricted as shown below.
3192_sp_6_3
Terminal connection
diagram
3192_sp_6_4
Failure detection None Protection None

*1. The I/O refreshing method is set according to the connected Communications Coupler Unit and CPU Unit.
*2. You can use the external input 0 as a latch input.
*3. You can use the external output 0 as an error counter reset output.
*4. These functions are supported when you also use the MC Function Module in the NJ/NX-series CPU Unit or the
      NY-series Industrial PC.
      For details, refer to the motion control user’s manual for the connected CPU Unit or Industrial PC.
      A Pulse Output Unit only outputs pulses during the control period based on commands received at a fixed period.
      Target position calculations (distribution calculations) for acceleration/deceleration control or for each control period
      must be performed on the Controller.

Pulse Output Units (Line driver output, NPN type) 4 channels NX-PG0332-5

Unit name Pulse Output Units Model NX-PG0332-5
Number of channels 4 channels Type of external
connections
MIL connector (34 terminals ×2)
I/O refreshing method *1 Synchronous I/O refreshing or task period prioritized refreshing
Indicators 3192_sp_7_1 I/O signals Inputs: 5 per channel. External
inputs*2
Outputs: 5 per channel. 1 forward
direction pulse output, 1 reverse
direction pulse output, and
3 external outputs (per channel)*3
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 Line driver output
Unit of control Pulses
Maximum pulse output
speed
4 Mpps
Pulse output method Forward/reverse direction pulse outputs, Pulse + direction outputs, or Phase
differential pulse output multiplication x1/2/4
Position control range -2,147,483,648 to 2,147,483,647 pulses
Velocity control range 1 to 4,000,000 pps
Positioning *4
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
synchronized control
Cam operation and gear operation
Single-axis manual
operation
Jogging
Auxiliary function for
single-axis control
Homing, stopping, and override changes
External input specifications (except for line receiver inputs)
Input voltage 21.6 to 26.4 VDC (24 VDC +10%, -10%) 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 External inputs 0 and 1: 1 μs max./2 μs max.
External inputs 2 to 4: 20 μs max./400 μs max.
Internal I/O common
processing
NPN
External input specifications (line receiver inputs)
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 max.
Hysteresis voltage Vhys (VIT+ - VIT-): 60 mV
Line driver output specifications
Output voltage RS-422-A line driver level (equivalent to AM26C31)
Maximum load current 20 mA
Maximum output
frequency
4 Mpps
External output specifications
Rated voltage 24 VDC
Load voltage range 15 to 28.8 VDC Residual voltage 1.0 V max.
Maximum load current 30mA Leakage current 0.1 mA max.
ON/OFF response time External output 0: 5 μs max./200 μs max.
External outputs 1 and 2: 0.5 ms max./1 ms max.
Internal I/O common
processing
NPN
Dimensions 30 × 100 × 71 mm (W×H×D) Isolation
method
External inputs: Photocoupler
isolation
External outputs: Digital isolator
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric
strength
510 VAC between isolated circuits
for 1 minute at a leakage current
of 5 mA max.
I/O power supply source Supply from external source
20.4 to 28.8 VDC (24 VDC +20%, -15%)
Current capacity
of I/O power
supply terminals
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
1.65 W max.
• Connected to a Commu-
nications Coupler Unit
1.30 W max.
Current
consumption from
I/O power supply
50 mA/CN max.
Weight 150 g max. Cable length Line driver outputs: 10 m max.
Other I/O: 3 m max.
Circuit layout 3192_sp_7_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: The number of external inputs that can be always ON is restricted as shown below.
3192_sp_7_3
Terminal connection
diagram
3192_sp_7_4
Failure detection None Protection None

*1. The I/O refreshing method is set according to the connected Communications Coupler Unit and CPU Unit.
*2. You can use the external input 0 as a latch input.
*3. You can use the external output 0 as an error counter reset output.
*4. These functions are supported when you also use the MC Function Module in the NJ/NX-series CPU Unit or the
      NY-series Industrial PC.
      For details, refer to the motion control user’s manual for the connected CPU Unit or Industrial PC.
      A Pulse Output Unit only outputs pulses during the control period based on commands received at a fixed period.
      Target position calculations (distribution calculations) for acceleration/deceleration control or for each control period
      must be performed on the Controller.

Pulse Output Units (Line driver output, PNP type) 4 channels NX-PG0342-5

Unit name Pulse Output Units Model NX-PG0342-5
Number of channels 4 channels Type of external
connections
MIL connector (34 terminals ×2)
I/O refreshing method *1 Synchronous I/O refreshing or task period prioritized refreshing
Indicators 3192_sp_8_1 I/O signals Inputs: 5 per channel. External
inputs *2
Outputs: 5 per channel. 1 forward
direction pulse output, 1 reverse direction pulse output, and
3 external outputs (per channel) *3
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 Line driver output
Unit of control Pulses
Maximum pulse output
speed
4 Mpps
Pulse output method Forward/reverse direction pulse outputs, Pulse + direction outputs, or Phase
differential pulse output multiplication x1/2/4
Position control range -2,147,483,648 to 2,147,483,647 pulses
Velocity control range 1 to 4,000,000 pps
Positioning *4
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
synchronized control
Cam operation and gear operation
Single-axis manual
operation
Jogging
Auxiliary function for
single-axis control
Homing, stopping, and override changes
External input specifications (except for line receiver inputs)
Input voltage 21.6 to 26.4 VDC (24 VDC +10%, -10%) 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 External inputs 0 and 1: 1 μs max./2 μs max.
External inputs 2 to 4: 20 μs max./400 μs max.
Internal I/O common
processing
PNP
External input specifications (line receiver inputs)
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 max.
Hysteresis voltage Vhys (VIT+ - VIT-): 60 mV
Line driver output specifications
Output voltage RS-422-A line driver level (equivalent to AM26C31)
Maximum load current 20 mA
Maximum output
frequency
4 Mpps
External output specifications
Rated voltage 24 VDC
Load voltage range 15 to 28.8 VDC Residual voltage 1.0 V max.
Maximum load current 30mA Leakage current 0.1 mA max.
ON/OFF response time External output 0: 5 μs max./200 μs max.
External outputs 1 and 2: 0.5 ms max./1 ms max.
Internal I/O common
processing
PNP
Dimensions 30 × 100 × 71 mm (W×H×D) Isolation
method
External inputs: Photocoupler isolation
External outputs: Digital isolator
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC)
Dielectric
strength
510 VAC between isolated circuits
for 1 minute at a leakage current
of 5 mA max.
I/O power supply source Supply from external source
20.4 to 28.8 VDC (24 VDC +20%, -15%)
Current capacity
of I/O power
supply terminals
Without I/O power supply terminals
NX Unit power
consumption
• Connected to a CPU Unit
1.65 W max.
• Connected to a Commu-
nications Coupler Unit
1.30 W max.
Current
consumption from
I/O power supply
50 mA/CN max.
Weight 150 g max. Cable length Line driver outputs: 10 m max.
Other I/O: 3 m max.
Circuit layout 3192_sp_8_2
Installation orientation
and restrictions
Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: The number of external inputs that can be always ON is restricted as shown below.
3192_sp_8_3
Terminal connection
diagram
3192_sp_8_4
Failure detection None Protection None

*1. The I/O refreshing method is set according to the connected Communications Coupler Unit and CPU Unit.
*2. You can use the external input 0 as a latch input.
*3. You can use the external output 0 as an error counter reset output.
*4. These functions are supported when you also use the MC Function Module in the NJ/NX-series CPU Unit or the
      NY-series Industrial PC.
      For details, refer to the motion control user’s manual for the connected CPU Unit or Industrial PC.
      A Pulse Output Unit only outputs pulses during the control period based on commands received at a fixed period.
      Target position calculations (distribution calculations) for acceleration/deceleration control or for each control period
      must be performed on the Controller.

Version Information

Connecting with CPU Units

Refer to the user’s manuals for the CPU Unit for details on the CPU Units to which NX Units can be connected.

NX Unit Corresponding versions *
Model Unit Version CPU Unit Sysmac Studio
NX-PG0112 Ver.1.1 Ver.1.13 or later Ver.1.17 or higher
Ver.1.2
NX-PG0122 Ver.1.0
Ver.1.1
Ver.1.2
NX-PG0232-5 Ver.1.2
NX-PG0242-5
NX-PG0332-5
NX-PG0342-5

* 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.

Connecting with Coupler Units

NX Unit Corresponding versions *1
EtherCAT
Model Unit Version Communications
Coupler Unit
NJ/NX-series CPU
Units or NY-series
Industrial PCs
Sysmac Studio
NX-PG0112 Ver.1.1 Ver.1.0 or later Ver.1.05 or later Ver.1.10 or higher
Ver.1.2 Ver.1.3 or later *2 *3 Ver.1.13 or higher
NX-PG0122 Ver.1.0 Ver.1.0 or later Ver.1.06 or higher
Ver.1.1 Ver.1.08 or higher
Ver.1.2 Ver.1.3 or later *2 *3 Ver.1.13 or higher
NX-PG0232-5 Ver.1.2 Ver.1.15 or higher
NX-PG0242-5
NX-PG0332-5
NX-PG0342-5

NX Unit Corresponding versions *1
EtherNet/IP
Model Unit Version Communications
Coupler Unit
Sysmac Studio
NX-PG0112 Ver.1.1 --- ---
Ver.1.2
NX-PG0122 Ver.1.0
Ver.1.1
Ver.1.2
NX-PG0232-5 Ver.1.2
NX-PG0242-5
NX-PG0332-5
NX-PG0342-5

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. To use task period prioritized refreshing, you must use the NX-ECC203.
3. If you do not use task period prioritized refreshing, you can use EtherCAT Coupler Units with unit version 1.0.